def __init__(self):
self.tcp = TwistedTCPLayer()
self.segmentation = SegmentationLayer()
self.tpkt = TPKTLayer()
self.x224 = X224Layer()
self.mcs = MCSLayer()
self.security: SecurityLayer = None
self.slowPath = SlowPathLayer()
self.fastPath: FastPathLayer = None
self.tcp.setNext(self.segmentation)
self.segmentation.attachLayer(SegmentationPDUType.TPKT, self.tpkt)
LayerChainItem.chain(self.tpkt, self.x224, self.mcs)
def __init__(self, friendlyName: str, targetHost: str, targetPort: int,
certificateFileName: str, privateKeyFileName: str,
recordHost: str, recordPort: int, replacementUsername: str,
replacementPassword: str):
MCSUserObserver.__init__(self)
self.sessionId = f"{friendlyName}{random.randrange(100000,999999)}"
self.log = getLoggerPassFilters(
f"{LOGGER_NAMES.MITM_CONNECTIONS}.{self.sessionId}.server")
self.metadataFilter = ConnectionMetadataFilter(self, self.sessionId)
self.log.addFilter(self.metadataFilter)
self.replacementPassword = replacementPassword
self.replacementUsername = replacementUsername
self.targetHost = targetHost
self.targetPort = targetPort
self.certificateFileName = certificateFileName
self.privateKeyFileName = privateKeyFileName
self.clipboardObserver = None
self.useTLS = False
self.client: MITMClient = None
self.clientConnector = None
self.originalNegotiationPDU = None
self.targetNegotiationPDU = None
self.serverData = None
self.rc4RSAKey = RSA.generate(2048)
self.crypter = RC4CrypterProxy()
self.socket = None
self.fileHandle = open(
"out/rdp_replay_{}_{}.pyrdp".format(
datetime.datetime.now().strftime('%Y%m%d_%H-%M-%S'),
random.randint(0, 1000)), "wb")
rc4Log = getLoggerPassFilters(f"{self.log.name}.rc4")
self.securitySettings = SecuritySettings(SecuritySettings.Mode.SERVER)
self.securitySettings.addObserver(self.crypter)
self.securitySettings.addObserver(RC4LoggingObserver(rc4Log))
self.tcp = TwistedTCPLayer()
self.tcp.createObserver(onConnection=self.onConnection,
onDisconnection=self.onDisconnection)
self.segmentation = SegmentationLayer()
self.segmentation.createObserver(
onUnknownHeader=self.onUnknownTPKTHeader)
self.tpkt = TPKTLayer()
self.x224 = X224Layer()
self.x224.createObserver(onConnectionRequest=self.onConnectionRequest,
onDisconnectRequest=self.onDisconnectRequest)
self.mcs = MCSLayer()
self.router = MITMServerRouter(self.mcs, self)
self.mcs.addObserver(self.router)
self.router.createObserver(
onConnectionReceived=self.onConnectInitial,
onDisconnectProviderUltimatum=self.onDisconnectProviderUltimatum,
onAttachUserRequest=self.onAttachUserRequest,
onChannelJoinRequest=self.onChannelJoinRequest)
self.gcc = GCCParser()
self.rdpClientInfoParser = ClientInfoParser()
self.rdpClientConnectionParser = ClientConnectionParser()
self.rdpServerConnectionParser = ServerConnectionParser()
self.securityLayer = None
self.slowPathLayer = SlowPathLayer()
self.fastPathLayer = None
self.tcp.setNext(self.segmentation)
self.segmentation.attachLayer(SegmentationPDUType.TPKT, self.tpkt)
Layer.chain(self.tpkt, self.x224, self.mcs)
if recordHost is not None and recordPort is not None:
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
self.socket.connect((recordHost, recordPort))
except socket.error as e:
logging.getLogger(LOGGER_NAMES.MITM).error(
"Could not connect to liveplayer: %(error)s", {"error": e})
self.socket.close()
self.socket = None
recordingLayers = [FileLayer(self.fileHandle)]
if self.socket is not None:
recordingLayers.append(SocketLayer(self.socket))
# Since we're intercepting communications from the original client (so we're a server),
# We need to write back the packets as if they came from the client.
self.recorder = Recorder(recordingLayers)
def replaceTCP(self):
self.tcp = TwistedTCPLayer()
self.tcp.setNext(self.segmentation)
self.segmentation.attachLayer(SegmentationPDUType.TPKT, self.tpkt)
def __init__(self,
server,
fileHandle: BinaryIO,
livePlayerSocket: socket,
replacementUsername=None,
replacementPassword=None):
MCSChannelFactory.__init__(self)
self.log = getLoggerPassFilters(
f"{LOGGER_NAMES.MITM_CONNECTIONS}.{server.getSessionId()}.client")
self.log.addFilter(server.metadataFilter)
self.replacementUsername = replacementUsername
self.replacementPassword = replacementPassword
self.server = server
self.channelMap: Dict[int, str] = {}
self.channelDefinitions = []
self.channelObservers = {}
self.deviceRedirectionObserver = None
self.useTLS = False
self.user = None
self.fastPathObserver = None
self.conferenceCreateResponse = None
self.serverData = None
self.crypter = RC4CrypterProxy()
rc4Log = getLoggerPassFilters(f"{self.log.name}.rc4")
self.securitySettings = SecuritySettings(SecuritySettings.Mode.CLIENT)
self.securitySettings.addObserver(self.crypter)
self.securitySettings.addObserver(RC4LoggingObserver(rc4Log))
self.tcp = TwistedTCPLayer()
self.tcp.createObserver(onConnection=self.startConnection,
onDisconnection=self.onDisconnection)
self.segmentation = SegmentationLayer()
self.segmentation.createObserver(
onUnknownHeader=self.onUnknownTPKTHeader)
self.tpkt = TPKTLayer()
self.x224 = X224Layer()
self.x224.createObserver(onConnectionConfirm=self.onConnectionConfirm,
onDisconnectRequest=self.onDisconnectRequest)
self.mcs = MCSLayer()
self.router = MCSClientRouter(self.mcs, self)
self.mcs.addObserver(self.router)
self.router.createObserver(
onConnectResponse=self.onConnectResponse,
onDisconnectProviderUltimatum=self.onDisconnectProviderUltimatum)
self.mcsConnect = MCSClientConnectionLayer(self.mcs)
self.gccConnect = GCCClientConnectionLayer(b"1")
self.gccConnect.createObserver(
onPDUReceived=self.onConferenceCreateResponse)
self.rdpConnect = ClientConnectionLayer()
self.rdpConnect.createObserver(onPDUReceived=self.onServerData)
self.securityLayer = None
self.slowPathLayer = SlowPathLayer()
self.fastPathLayer = None
self.tcp.setNext(self.segmentation)
self.segmentation.attachLayer(SegmentationPDUType.TPKT, self.tpkt)
Layer.chain(self.tpkt, self.x224, self.mcs)
Layer.chain(self.mcsConnect, self.gccConnect, self.rdpConnect)
record_layers = [FileLayer(fileHandle)]
if livePlayerSocket is not None:
record_layers.append(SocketLayer(livePlayerSocket))
self.recorder = Recorder(record_layers)
def __init__(self, log: SessionLogger, config: MITMConfig):
"""
:param log: base logger to use for the connection
:param config: the MITM configuration
"""
self.log = log
"""Base logger for the connection"""
self.clientLog = log.createChild("client")
"""Base logger for the client side"""
self.serverLog = log.createChild("server")
"""Base logger for the server side"""
self.rc4Log = log.createChild("rc4")
"""Logger for RC4 secrets"""
self.config = config
"""The MITM configuration"""
self.state = RDPMITMState()
"""The MITM state"""
self.client = RDPLayerSet()
"""Layers on the client side"""
self.server = RDPLayerSet()
"""Layers on the server side"""
self.attacker = TwistedTCPLayer()
"""Layers on the attacker side"""
self.recorder = Recorder([])
"""Recorder for this connection"""
self.channelMITMs = {}
"""MITM components for virtual channels"""
serverConnector = self.connectToServer()
self.tcp = TCPMITM(self.client.tcp, self.server.tcp, self.attacker, self.getLog("tcp"), self.recorder, serverConnector)
"""TCP MITM component"""
self.x224 = X224MITM(self.client.x224, self.server.x224, self.getLog("x224"), self.state, serverConnector, self.startTLS)
"""X224 MITM component"""
self.mcs = MCSMITM(self.client.mcs, self.server.mcs, self.state, self.recorder, self.buildChannel)
"""MCS MITM component"""
self.security: SecurityMITM = None
"""Security MITM component"""
self.slowPath = SlowPathMITM(self.client.slowPath, self.server.slowPath)
"""Slow-path MITM component"""
self.fastPath: FastPathMITM = None
"""Fast-path MITM component"""
self.client.x224.addObserver(X224Logger(self.getClientLog("x224")))
self.client.mcs.addObserver(MCSLogger(self.getClientLog("mcs")))
self.client.slowPath.addObserver(SlowPathLogger(self.getClientLog("slowpath")))
self.client.slowPath.addObserver(RecordingSlowPathObserver(self.recorder))
self.server.x224.addObserver(X224Logger(self.getServerLog("x224")))
self.server.mcs.addObserver(MCSLogger(self.getServerLog("mcs")))
self.server.slowPath.addObserver(SlowPathLogger(self.getServerLog("slowpath")))
self.server.slowPath.addObserver(RecordingSlowPathObserver(self.recorder))
self.config.outDir.mkdir(parents=True, exist_ok=True)
self.config.replayDir.mkdir(exist_ok=True)
self.config.fileDir.mkdir(exist_ok=True)
self.state.securitySettings.addObserver(RC4LoggingObserver(self.rc4Log))
if config.recordReplays:
date = datetime.datetime.now()
replayFileName = "rdp_replay_{}_{}.pyrdp".format(date.strftime('%Y%m%d_%H-%M-%S'), date.microsecond // 1000)
self.recorder.addTransport(FileLayer(self.config.replayDir / replayFileName))
def __init__(self):
self.tcp = TwistedTCPLayer()
self.player = PlayerLayer()
LayerChainItem.chain(self.tcp, self.player)
