Ejemplo n.º 1
0
    def __decryptHash(self,
                      record,
                      rid=None,
                      prefixTable=None,
                      outputFile=None):
        if self.__useVSSMethod is True:
            logging.debug('Decrypting hash for user: %s' %
                          record[self.NAME_TO_INTERNAL['name']])

            sid = SAMR_RPC_SID(
                unhexlify(record[self.NAME_TO_INTERNAL['objectSid']]))
            rid = sid.formatCanonical().split('-')[-1]

            if record[self.NAME_TO_INTERNAL['dBCSPwd']] is not None:
                encryptedLMHash = self.CRYPTED_HASH(
                    unhexlify(record[self.NAME_TO_INTERNAL['dBCSPwd']]))
                tmpLMHash = self.__removeRC4Layer(encryptedLMHash)
                LMHash = self.__removeDESLayer(tmpLMHash, rid)
            else:
                LMHash = ntlm.LMOWFv1('', '')

            if record[self.NAME_TO_INTERNAL['unicodePwd']] is not None:
                encryptedNTHash = self.CRYPTED_HASH(
                    unhexlify(record[self.NAME_TO_INTERNAL['unicodePwd']]))
                tmpNTHash = self.__removeRC4Layer(encryptedNTHash)
                NTHash = self.__removeDESLayer(tmpNTHash, rid)
            else:
                NTHash = ntlm.NTOWFv1('', '')

            if record[self.NAME_TO_INTERNAL['userPrincipalName']] is not None:
                domain = record[
                    self.NAME_TO_INTERNAL['userPrincipalName']].split('@')[-1]
                userName = '******' % (
                    domain, record[self.NAME_TO_INTERNAL['sAMAccountName']])
            else:
                userName = '******' % record[
                    self.NAME_TO_INTERNAL['sAMAccountName']]

            if record[self.NAME_TO_INTERNAL['pwdLastSet']] is not None:
                pwdLastSet = self.__fileTimeToDateTime(
                    record[self.NAME_TO_INTERNAL['pwdLastSet']])
            else:
                pwdLastSet = 'N/A'

            answer = "%s:%s:%s:%s:::" % (userName, rid, hexlify(LMHash),
                                         hexlify(NTHash))
            if outputFile is not None:
                self.__writeOutput(outputFile, answer + '\n')

            if self.__pwdLastSet is True:
                answer = "%s (pwdLastSet=%s)" % (answer, pwdLastSet)
            self.__logger.highlight(answer)

            if self.__history:
                LMHistory = []
                NTHistory = []
                if record[self.NAME_TO_INTERNAL['lmPwdHistory']] is not None:
                    encryptedLMHistory = self.CRYPTED_HISTORY(
                        unhexlify(
                            record[self.NAME_TO_INTERNAL['lmPwdHistory']]))
                    tmpLMHistory = self.__removeRC4Layer(encryptedLMHistory)
                    for i in range(0, len(tmpLMHistory) / 16):
                        LMHash = self.__removeDESLayer(
                            tmpLMHistory[i * 16:(i + 1) * 16], rid)
                        LMHistory.append(LMHash)

                if record[self.NAME_TO_INTERNAL['ntPwdHistory']] is not None:
                    encryptedNTHistory = self.CRYPTED_HISTORY(
                        unhexlify(
                            record[self.NAME_TO_INTERNAL['ntPwdHistory']]))
                    tmpNTHistory = self.__removeRC4Layer(encryptedNTHistory)
                    for i in range(0, len(tmpNTHistory) / 16):
                        NTHash = self.__removeDESLayer(
                            tmpNTHistory[i * 16:(i + 1) * 16], rid)
                        NTHistory.append(NTHash)

                for i, (LMHash, NTHash) in enumerate(
                        map(lambda l, n: (l, n)
                            if l else ('', n), LMHistory[1:], NTHistory[1:])):
                    if self.__noLMHash:
                        lmhash = hexlify(ntlm.LMOWFv1('', ''))
                    else:
                        lmhash = hexlify(LMHash)

                    answer = "%s_history%d:%s:%s:%s:::" % (
                        userName, i, rid, lmhash, hexlify(NTHash))
                    if outputFile is not None:
                        self.__writeOutput(outputFile, answer + '\n')
                    self.__logger.highlight(answer)
        else:
            logging.debug('Decrypting hash for user: %s' %
                          record['pmsgOut']['V6']['pNC']['StringName'][:-1])
            domain = None
            if self.__history:
                LMHistory = []
                NTHistory = []
            for attr in record['pmsgOut']['V6']['pObjects']['Entinf'][
                    'AttrBlock']['pAttr']:
                try:
                    attId = drsuapi.OidFromAttid(prefixTable, attr['attrTyp'])
                    LOOKUP_TABLE = self.ATTRTYP_TO_ATTID
                except Exception, e:
                    logging.debug(
                        'Failed to execute OidFromAttid with error %s, fallbacking to fixed table'
                        % e)
                    # Fallbacking to fixed table and hope for the best
                    attId = attr['attrTyp']
                    LOOKUP_TABLE = self.NAME_TO_ATTRTYP

                if attId == LOOKUP_TABLE['dBCSPwd']:
                    if attr['AttrVal']['valCount'] > 0:
                        encrypteddBCSPwd = ''.join(
                            attr['AttrVal']['pAVal'][0]['pVal'])
                        encryptedLMHash = drsuapi.DecryptAttributeValue(
                            self.__remoteOps.getDrsr(), encrypteddBCSPwd)
                        LMHash = drsuapi.removeDESLayer(encryptedLMHash, rid)
                    else:
                        LMHash = ntlm.LMOWFv1('', '')
                elif attId == LOOKUP_TABLE['unicodePwd']:
                    if attr['AttrVal']['valCount'] > 0:
                        encryptedUnicodePwd = ''.join(
                            attr['AttrVal']['pAVal'][0]['pVal'])
                        encryptedNTHash = drsuapi.DecryptAttributeValue(
                            self.__remoteOps.getDrsr(), encryptedUnicodePwd)
                        NTHash = drsuapi.removeDESLayer(encryptedNTHash, rid)
                    else:
                        NTHash = ntlm.NTOWFv1('', '')
                elif attId == LOOKUP_TABLE['userPrincipalName']:
                    if attr['AttrVal']['valCount'] > 0:
                        try:
                            domain = ''.join(
                                attr['AttrVal']['pAVal'][0]['pVal']).decode(
                                    'utf-16le').split('@')[-1]
                        except:
                            domain = None
                    else:
                        domain = None
                elif attId == LOOKUP_TABLE['sAMAccountName']:
                    if attr['AttrVal']['valCount'] > 0:
                        try:
                            userName = ''.join(attr['AttrVal']['pAVal'][0]
                                               ['pVal']).decode('utf-16le')
                        except:
                            logging.error('Cannot get sAMAccountName for %s' %
                                          record['pmsgOut']['V6']['pNC']
                                          ['StringName'][:-1])
                            userName = '******'
                    else:
                        logging.error(
                            'Cannot get sAMAccountName for %s' %
                            record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                        userName = '******'
                elif attId == LOOKUP_TABLE['objectSid']:
                    if attr['AttrVal']['valCount'] > 0:
                        objectSid = ''.join(
                            attr['AttrVal']['pAVal'][0]['pVal'])
                    else:
                        logging.error(
                            'Cannot get objectSid for %s' %
                            record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                        objectSid = rid
                elif attId == LOOKUP_TABLE['pwdLastSet']:
                    if attr['AttrVal']['valCount'] > 0:
                        try:
                            pwdLastSet = self.__fileTimeToDateTime(
                                unpack(
                                    '<Q', ''.join(attr['AttrVal']['pAVal'][0]
                                                  ['pVal']))[0])
                        except:
                            traceback.print_exc()
                            logging.error('Cannot get pwdLastSet for %s' %
                                          record['pmsgOut']['V6']['pNC']
                                          ['StringName'][:-1])
                            pwdLastSet = 'N/A'

                if self.__history:
                    if attId == LOOKUP_TABLE['lmPwdHistory']:
                        if attr['AttrVal']['valCount'] > 0:
                            encryptedLMHistory = ''.join(
                                attr['AttrVal']['pAVal'][0]['pVal'])
                            tmpLMHistory = drsuapi.DecryptAttributeValue(
                                self.__remoteOps.getDrsr(), encryptedLMHistory)
                            for i in range(0, len(tmpLMHistory) / 16):
                                LMHashHistory = drsuapi.removeDESLayer(
                                    tmpLMHistory[i * 16:(i + 1) * 16], rid)
                                LMHistory.append(LMHashHistory)
                        else:
                            logging.debug('No lmPwdHistory for user %s' %
                                          record['pmsgOut']['V6']['pNC']
                                          ['StringName'][:-1])
                    elif attId == LOOKUP_TABLE['ntPwdHistory']:
                        if attr['AttrVal']['valCount'] > 0:
                            encryptedNTHistory = ''.join(
                                attr['AttrVal']['pAVal'][0]['pVal'])
                            tmpNTHistory = drsuapi.DecryptAttributeValue(
                                self.__remoteOps.getDrsr(), encryptedNTHistory)
                            for i in range(0, len(tmpNTHistory) / 16):
                                NTHashHistory = drsuapi.removeDESLayer(
                                    tmpNTHistory[i * 16:(i + 1) * 16], rid)
                                NTHistory.append(NTHashHistory)
                        else:
                            logging.debug('No ntPwdHistory for user %s' %
                                          record['pmsgOut']['V6']['pNC']
                                          ['StringName'][:-1])

            if domain is not None:
                userName = '******' % (domain, userName)

            answer = "%s:%s:%s:%s:::" % (userName, rid, hexlify(LMHash),
                                         hexlify(NTHash))

            if outputFile is not None:
                self.__writeOutput(outputFile, answer + '\n')

            if self.__pwdLastSet is True:
                answer = "%s (pwdLastSet=%s)" % (answer, pwdLastSet)
            self.__logger.highlight(answer)

            if self.__history:
                for i, (LMHashHistory, NTHashHistory) in enumerate(
                        map(lambda l, n: (l, n)
                            if l else ('', n), LMHistory[1:], NTHistory[1:])):
                    if self.__noLMHash:
                        lmhash = hexlify(ntlm.LMOWFv1('', ''))
                    else:
                        lmhash = hexlify(LMHashHistory)

                    answer = "%s_history%d:%s:%s:%s:::" % (
                        userName, i, rid, lmhash, hexlify(NTHashHistory))
                    self.__logger.highlight(answer)
                    if outputFile is not None:
                        self.__writeOutput(outputFile, answer + '\n')
Ejemplo n.º 2
0
    def __decryptHash(self, record, rid=None, prefixTable=None, outputFile=None):
        if self.__useVSSMethod is True:
            logging.debug('Decrypting hash for user: %s' % record[self.NAME_TO_INTERNAL['name']])

            sid = SAMR_RPC_SID(unhexlify(record[self.NAME_TO_INTERNAL['objectSid']]))
            rid = sid.formatCanonical().split('-')[-1]

            if record[self.NAME_TO_INTERNAL['dBCSPwd']] is not None:
                encryptedLMHash = self.CRYPTED_HASH(unhexlify(record[self.NAME_TO_INTERNAL['dBCSPwd']]))
                tmpLMHash = self.__removeRC4Layer(encryptedLMHash)
                LMHash = self.__removeDESLayer(tmpLMHash, rid)
            else:
                LMHash = ntlm.LMOWFv1('', '')

            if record[self.NAME_TO_INTERNAL['unicodePwd']] is not None:
                encryptedNTHash = self.CRYPTED_HASH(unhexlify(record[self.NAME_TO_INTERNAL['unicodePwd']]))
                tmpNTHash = self.__removeRC4Layer(encryptedNTHash)
                NTHash = self.__removeDESLayer(tmpNTHash, rid)
            else:
                NTHash = ntlm.NTOWFv1('', '')

            if record[self.NAME_TO_INTERNAL['userPrincipalName']] is not None:
                domain = record[self.NAME_TO_INTERNAL['userPrincipalName']].split('@')[-1]
                userName = '******' % (domain, record[self.NAME_TO_INTERNAL['sAMAccountName']])
            else:
                userName = '******' % record[self.NAME_TO_INTERNAL['sAMAccountName']]

            if record[self.NAME_TO_INTERNAL['pwdLastSet']] is not None:
                pwdLastSet = self.__fileTimeToDateTime(record[self.NAME_TO_INTERNAL['pwdLastSet']])
            else:
                pwdLastSet = 'N/A'

            answer = "%s:%s:%s:%s:::" % (userName, rid, hexlify(LMHash), hexlify(NTHash))
            if outputFile is not None:
                self.__writeOutput(outputFile, answer + '\n')

            if self.__pwdLastSet is True:
                answer = "%s (pwdLastSet=%s)" % (answer, pwdLastSet)
            self.__logger.highlight(answer)

            if self.__history:
                LMHistory = []
                NTHistory = []
                if record[self.NAME_TO_INTERNAL['lmPwdHistory']] is not None:
                    encryptedLMHistory = self.CRYPTED_HISTORY(unhexlify(record[self.NAME_TO_INTERNAL['lmPwdHistory']]))
                    tmpLMHistory = self.__removeRC4Layer(encryptedLMHistory)
                    for i in range(0, len(tmpLMHistory) / 16):
                        LMHash = self.__removeDESLayer(tmpLMHistory[i * 16:(i + 1) * 16], rid)
                        LMHistory.append(LMHash)

                if record[self.NAME_TO_INTERNAL['ntPwdHistory']] is not None:
                    encryptedNTHistory = self.CRYPTED_HISTORY(unhexlify(record[self.NAME_TO_INTERNAL['ntPwdHistory']]))
                    tmpNTHistory = self.__removeRC4Layer(encryptedNTHistory)
                    for i in range(0, len(tmpNTHistory) / 16):
                        NTHash = self.__removeDESLayer(tmpNTHistory[i * 16:(i + 1) * 16], rid)
                        NTHistory.append(NTHash)

                for i, (LMHash, NTHash) in enumerate(
                        map(lambda l, n: (l, n) if l else ('', n), LMHistory[1:], NTHistory[1:])):
                    if self.__noLMHash:
                        lmhash = hexlify(ntlm.LMOWFv1('', ''))
                    else:
                        lmhash = hexlify(LMHash)

                    answer = "%s_history%d:%s:%s:%s:::" % (userName, i, rid, lmhash, hexlify(NTHash))
                    if outputFile is not None:
                        self.__writeOutput(outputFile, answer + '\n')
                    self.__logger.highlight(answer)
        else:
            logging.debug('Decrypting hash for user: %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])
            domain = None
            if self.__history:
                LMHistory = []
                NTHistory = []
            for attr in record['pmsgOut']['V6']['pObjects']['Entinf']['AttrBlock']['pAttr']:
                try:
                    attId = drsuapi.OidFromAttid(prefixTable, attr['attrTyp'])
                    LOOKUP_TABLE = self.ATTRTYP_TO_ATTID
                except Exception, e:
                    logging.debug('Failed to execute OidFromAttid with error %s, fallbacking to fixed table' % e)
                    # Fallbacking to fixed table and hope for the best
                    attId = attr['attrTyp']
                    LOOKUP_TABLE = self.NAME_TO_ATTRTYP

                if attId == LOOKUP_TABLE['dBCSPwd']:
                    if attr['AttrVal']['valCount'] > 0:
                        encrypteddBCSPwd = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])
                        encryptedLMHash = drsuapi.DecryptAttributeValue(self.__remoteOps.getDrsr(), encrypteddBCSPwd)
                        LMHash = drsuapi.removeDESLayer(encryptedLMHash, rid)
                    else:
                        LMHash = ntlm.LMOWFv1('', '')
                elif attId == LOOKUP_TABLE['unicodePwd']:
                    if attr['AttrVal']['valCount'] > 0:
                        encryptedUnicodePwd = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])
                        encryptedNTHash = drsuapi.DecryptAttributeValue(self.__remoteOps.getDrsr(), encryptedUnicodePwd)
                        NTHash = drsuapi.removeDESLayer(encryptedNTHash, rid)
                    else:
                        NTHash = ntlm.NTOWFv1('', '')
                elif attId == LOOKUP_TABLE['userPrincipalName']:
                    if attr['AttrVal']['valCount'] > 0:
                        try:
                            domain = ''.join(attr['AttrVal']['pAVal'][0]['pVal']).decode('utf-16le').split('@')[-1]
                        except:
                            domain = None
                    else:
                        domain = None
                elif attId == LOOKUP_TABLE['sAMAccountName']:
                    if attr['AttrVal']['valCount'] > 0:
                        try:
                            userName = ''.join(attr['AttrVal']['pAVal'][0]['pVal']).decode('utf-16le')
                        except:
                            logging.error('Cannot get sAMAccountName for %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                            userName = '******'
                    else:
                        logging.error('Cannot get sAMAccountName for %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                        userName = '******'
                elif attId == LOOKUP_TABLE['objectSid']:
                    if attr['AttrVal']['valCount'] > 0:
                        objectSid = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])
                    else:
                        logging.error('Cannot get objectSid for %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                        objectSid = rid
                elif attId == LOOKUP_TABLE['pwdLastSet']:
                    if attr['AttrVal']['valCount'] > 0:
                        try:
                            pwdLastSet = self.__fileTimeToDateTime(unpack('<Q', ''.join(attr['AttrVal']['pAVal'][0]['pVal']))[0])
                        except:
                            traceback.print_exc()
                            logging.error('Cannot get pwdLastSet for %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                            pwdLastSet = 'N/A'

                if self.__history:
                    if attId == LOOKUP_TABLE['lmPwdHistory']:
                        if attr['AttrVal']['valCount'] > 0:
                            encryptedLMHistory = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])
                            tmpLMHistory = drsuapi.DecryptAttributeValue(self.__remoteOps.getDrsr(), encryptedLMHistory)
                            for i in range(0, len(tmpLMHistory) / 16):
                                LMHashHistory = drsuapi.removeDESLayer(tmpLMHistory[i * 16:(i + 1) * 16], rid)
                                LMHistory.append(LMHashHistory)
                        else:
                            logging.debug('No lmPwdHistory for user %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])
                    elif attId == LOOKUP_TABLE['ntPwdHistory']:
                        if attr['AttrVal']['valCount'] > 0:
                            encryptedNTHistory = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])
                            tmpNTHistory = drsuapi.DecryptAttributeValue(self.__remoteOps.getDrsr(), encryptedNTHistory)
                            for i in range(0, len(tmpNTHistory) / 16):
                                NTHashHistory = drsuapi.removeDESLayer(tmpNTHistory[i * 16:(i + 1) * 16], rid)
                                NTHistory.append(NTHashHistory)
                        else:
                            logging.debug('No ntPwdHistory for user %s' % record['pmsgOut']['V6']['pNC']['StringName'][:-1])

            if domain is not None:
                userName = '******' % (domain, userName)

            answer = "%s:%s:%s:%s:::" % (userName, rid, hexlify(LMHash), hexlify(NTHash))

            if outputFile is not None:
                self.__writeOutput(outputFile, answer + '\n')

            if self.__pwdLastSet is True:
                answer = "%s (pwdLastSet=%s)" % (answer, pwdLastSet)
            self.__logger.highlight(answer)

            if self.__history:
                for i, (LMHashHistory, NTHashHistory) in enumerate(
                        map(lambda l, n: (l, n) if l else ('', n), LMHistory[1:], NTHistory[1:])):
                    if self.__noLMHash:
                        lmhash = hexlify(ntlm.LMOWFv1('', ''))
                    else:
                        lmhash = hexlify(LMHashHistory)

                    answer = "%s_history%d:%s:%s:%s:::" % (userName, i, rid, lmhash, hexlify(NTHashHistory))
                    self.__logger.highlight(answer)
                    if outputFile is not None:
                        self.__writeOutput(outputFile, answer + '\n')
Ejemplo n.º 3
0
    def test_DRSGetNCChanges(self):
        # Not yet working
        dce, rpctransport, hDrs = self.connect()

        request = drsuapi.DRSGetNCChanges()
        request['hDrs'] = hDrs
        request['dwInVersion'] = 10

        request['pmsgIn']['tag'] =10
        request['pmsgIn']['V10']['uuidDsaObjDest'] = string_to_bin('e85bbad7-0923-41cb-911e-3691d2014815')
        request['pmsgIn']['V10']['uuidInvocIdSrc'] = string_to_bin('e85bbad7-0923-41cb-911e-3691d2014815')
        #request['pmsgIn']['V10']['pNC'] = NULL

        dsName = drsuapi.DSNAME()
        dsName['SidLen'] = 0
        dsName['Guid'] = drsuapi.NULLGUID
        dsName['Sid'] = ''
        #name = 'CN=NTDS Settings,CN=FREEFLY-DC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=FREEFLY,DC=NET'
        #name = 'CN=admin,CN=Users,DC=FREEFLY,DC=NET'
        name = 'CN=krbtgt,CN=Users,DC=FREEFLY,DC=NET'
        #name = 'DC=FREEFLY,DC=NET'
        #name = 'CN=Schema,CN=Configuration,DC=FREEFLY,DC=NET'
        #name = 'CN=Aggregate,CN=Schema,CN=Configuration,DC=FREEFLY,DC=NET'
        dsName['NameLen'] = len(name)
        dsName['StringName'] = (name + '\x00')

        dsName['structLen'] = len(dsName.getData())

        request['pmsgIn']['V10']['pNC'] = dsName

        request['pmsgIn']['V10']['usnvecFrom']['usnHighObjUpdate'] = 0
        request['pmsgIn']['V10']['usnvecFrom']['usnHighPropUpdate'] = 0

        request['pmsgIn']['V10']['pUpToDateVecDest'] = NULL

        request['pmsgIn']['V10']['ulFlags'] =  drsuapi.DRS_INIT_SYNC | drsuapi.DRS_PER_SYNC  #| drsuapi.DRS_CRITICAL_ONLY
        request['pmsgIn']['V10']['cMaxObjects'] = 50
        request['pmsgIn']['V10']['cMaxBytes'] = 0
        request['pmsgIn']['V10']['ulExtendedOp'] = drsuapi.EXOP_REPL_OBJ | drsuapi.EXOP_REPL_SECRETS
        request['pmsgIn']['V10']['pPartialAttrSet'] = NULL
        request['pmsgIn']['V10']['pPartialAttrSetEx1'] = NULL
        request['pmsgIn']['V10']['PrefixTableDest']['pPrefixEntry'] = NULL
        #request['pmsgIn']['V10']['ulMoreFlags'] = 0

        from impacket.winregistry import hexdump
        print 'SESSION KEY'
        hexdump(dce.get_session_key())
        resp = dce.request(request)
        resp.dump()
        unicodePwdAttr = 589914
        for attr in resp['pmsgOut']['V6']['pObjects']['Entinf']['AttrBlock']['pAttr']:
            if attr['attrTyp'] == unicodePwdAttr:
                print "Found encrypted unicodePwd"
                encryptedUnicodePwd = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])
            elif attr['attrTyp'] == 0x00090092:
                import struct
                userSid = ''.join(attr['AttrVal']['pAVal'][0]['pVal'])[-4:]
                userRid = struct.unpack('<L', userSid)[0]
                print "Found RID ", userRid

        ntHash = drsuapi.DecryptAttributeValue(dce, encryptedUnicodePwd)
        # Now remove the DES layer
        ntHash = drsuapi.removeDESLayer(ntHash, userRid)
        print "User: %s" % name
        print "HTHASH ", ntHash.encode('hex')