Complete refactoring of responder code, first pass

This commit is contained in:
jrmdev 2015-06-29 22:20:58 +10:00
parent f4bd612e08
commit 050edc22f3
43 changed files with 4105 additions and 4722 deletions

View file

@ -30,27 +30,20 @@ class Packet():
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" ),
("errorcode", "\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"),
("pid", "\x00\x00"),
("uid", "\x00\x00"),
("mid", "\x00\x00"),
])
@ -285,7 +278,6 @@ class SMBDCESVCCTLOpenManagerW(Packet):
## Convert to UTF-16LE
self.fields["MachineName"] = self.fields["MachineName"].encode('utf-16le')
class SMBDCESVCCTLCreateService(Packet):
fields = OrderedDict([
("ContextHandle", ""),
@ -332,8 +324,6 @@ class SMBDCESVCCTLCreateService(Packet):
self.fields["BinCMD"] = self.fields["BinCMD"].encode('utf-16le')
self.fields["BintoEnd"] = self.fields["BintoEnd"].encode('utf-16le')
class SMBDCESVCCTLOpenService(Packet):
fields = OrderedDict([
("ContextHandle", ""),
@ -361,120 +351,4 @@ class SMBDCESVCCTLStartService(Packet):
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"),
])
return key