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#!/usr/bin/env python
# This file is part of Responder, a network take-over set of tools
# created and maintained by Laurent Gaffie.
# email: laurent.gaffie@gmail.com
# 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 re,sys,socket,struct
import datetime
import multiprocessing
from socket import *
from odict import OrderedDict
import optparse
from RunFingerPackets import *
__version__ = "0.8"
parser = optparse.OptionParser(usage='python %prog -i 10.10.10.224\nor:\npython %prog -i 10.10.10.0/24', version=__version__, prog=sys.argv[0])
parser.add_option('-i','--ip', action="store", help="Target IP address or class C", dest="TARGET", metavar="10.10.10.224", default=None)
parser.add_option('-a','--all', action="store_true", help="Performs all checks (including MS17-010)", dest="all", default=False)
parser.add_option('-g','--grep', action="store_true", dest="grep_output", default=False, help="Output in grepable format")
options, args = parser.parse_args()
if options.TARGET is None:
print("\n-i Mandatory option is missing, please provide a target or target range.\n")
parser.print_help()
exit(-1)
Timeout = 2
Host = options.TARGET
MS17010Check = options.all
class Packet():
fields = OrderedDict([
])
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()))
def longueur(payload):
length = struct.pack(">i", len(''.join(payload)))
return length
def GetBootTime(data):
Filetime = int(struct.unpack('<q',data)[0])
t = divmod(Filetime - 116444736000000000, 10000000)
time = datetime.datetime.fromtimestamp(t[0])
return time, time.strftime('%Y-%m-%d %H:%M:%S')
#####################
def IsSigningEnabled(data):
if data[39] == "\x0f":
return True
else:
return False
def atod(a):
return struct.unpack("!L",inet_aton(a))[0]
def dtoa(d):
return inet_ntoa(struct.pack("!L", d))
def OsNameClientVersion(data):
try:
length = struct.unpack('<H',data[43:45])[0]
if length > 255:
OsVersion, ClientVersion = tuple([e.replace('\x00','') for e in data[48+length:].split('\x00\x00\x00')[:2]])
return OsVersion, ClientVersion
if length <= 255:
OsVersion, ClientVersion = tuple([e.replace('\x00','') for e in data[47+length:].split('\x00\x00\x00')[:2]])
return OsVersion, ClientVersion
except:
return "Could not fingerprint Os version.", "Could not fingerprint LanManager Client version"
def GetHostnameAndDomainName(data):
try:
DomainJoined, Hostname = tuple([e.replace('\x00','') for e in data[81:].split('\x00\x00\x00')[:2]])
Time = GetBootTime(data[60:68])
#If max length domain name, there won't be a \x00\x00\x00 delineator to split on
if Hostname == '':
DomainJoined = data[81:110].replace('\x00','')
Hostname = data[113:].replace('\x00','')
return Hostname, DomainJoined, Time
except:
return "Could not get Hostname.", "Could not get Domain joined"
def DomainGrab(Host):
s = socket(AF_INET, SOCK_STREAM)
try:
s.settimeout(Timeout)
s.connect(Host)
except:
pass
try:
h = SMBHeaderLanMan(cmd="\x72",mid="\x01\x00",flag1="\x00", flag2="\x00\x00")
n = SMBNegoDataLanMan()
packet0 = str(h)+str(n)
buffer0 = longueur(packet0)+packet0
s.send(buffer0)
data = s.recv(2048)
s.close()
if data[8:10] == "\x72\x00":
return GetHostnameAndDomainName(data)
except:
pass
def SmbFinger(Host):
s = socket(AF_INET, SOCK_STREAM)
try:
s.settimeout(Timeout)
s.connect(Host)
except:
pass
try:
h = SMBHeader(cmd="\x72",flag1="\x18",flag2="\x53\xc8")
n = SMBNego(Data = SMBNegoData())
n.calculate()
packet0 = str(h)+str(n)
buffer0 = longueur(packet0)+packet0
s.send(buffer0)
data = s.recv(2048)
signing = IsSigningEnabled(data)
if data[8:10] == "\x72\x00":
head = SMBHeader(cmd="\x73",flag1="\x18",flag2="\x17\xc8",uid="\x00\x00")
t = SMBSessionFingerData()
packet0 = str(head)+str(t)
buffer1 = longueur(packet0)+packet0
s.send(buffer1)
data = s.recv(2048)
if data[8:10] == "\x73\x16":
OsVersion, ClientVersion = OsNameClientVersion(data)
return signing, OsVersion, ClientVersion
except:
pass
def check_ms17_010(host):
s = socket(AF_INET, SOCK_STREAM)
try:
s.settimeout(Timeout)
s.connect(Host)
h = SMBHeader(cmd="\x72",flag1="\x18", flag2="\x53\xc8")
n = SMBNego(Data = SMBNegoData())
n.calculate()
packet0 = str(h)+str(n)
buffer0 = longueur(packet0)+packet0
s.send(buffer0)
data = s.recv(2048)
if data[8:10] == "\x75\x00":
head = SMBHeader(cmd="\x25",flag1="\x18", flag2="\x07\xc8",uid=data[32:34],tid=data[28:30],mid="\xc0\x00")
t = SMBTransRAPData()
t.calculate()
packet1 = str(head)+str(t)
buffer1 = longueur(packet1)+packet1
s.send(buffer1)
data = s.recv(2048)
if data[9:13] == "\x05\x02\x00\xc0":
return True
else:
return False
else:
return False
except Exception as err:
return False
def check_smb_null_session(host):
s = socket(AF_INET, SOCK_STREAM)
try:
s.settimeout(Timeout)
s.connect(host)
h = SMBHeader(cmd="\x72",flag1="\x18", flag2="\x53\xc8")
n = SMBNego(Data = SMBNegoData())
n.calculate()
packet0 = str(h)+str(n)
buffer0 = longueur(packet0)+packet0
s.send(buffer0)
data = s.recv(2048)
if data[8:10] == "\x75\x00":
return True
else:
return False
except Exception:
return False
##################
#run it
def ShowResults(Host):
try:
Hostname, DomainJoined, Time = DomainGrab(Host)
Signing, OsVer, LanManClient = SmbFinger(Host)
NullSess = check_smb_null_session(Host)
if MS17010Check:
Ms17010 = check_ms17_010(Host)
print "Retrieving information for %s..."%Host[0]
print "SMB signing:", Signing
print "Null Sessions Allowed:", NullSess
print "Vulnerable to MS17-010:", Ms17010
print "Server Time:", Time[1]
print "OS version: '%s'\nLanman Client: '%s'"%(OsVer, LanManClient)
print "Machine Hostname: '%s'\nThis machine is part of the '%s' domain\n"%(Hostname, DomainJoined)
else:
print "Retrieving information for %s..."%Host[0]
print "SMB signing:", Signing
print "Null Sessions Allowed:", NullSess
print "Server Time:", Time[1]
print "OS version: '%s'\nLanman Client: '%s'"%(OsVer, LanManClient)
print "Machine Hostname: '%s'\nThis machine is part of the '%s' domain\n"%(Hostname, DomainJoined)
except:
pass
def ShowSmallResults(Host):
s = socket(AF_INET, SOCK_STREAM)
try:
s.settimeout(Timeout)
s.connect(Host)
except:
return False
try:
if MS17010Check:
Hostname, DomainJoined, Time = DomainGrab(Host)
Signing, OsVer, LanManClient = SmbFinger(Host)
NullSess = check_smb_null_session(Host)
Ms17010 = check_ms17_010(Host)
message_ms17010 = ", MS17-010: {}".format(Ms17010)
print("['{}', Os:'{}', Domain:'{}', Signing:'{}', Time:'{}', Null Session: {} {}".format(Host[0], OsVer, DomainJoined, Signing, Time[1],NullSess, message_ms17010))
else:
Hostname, DomainJoined, Time = DomainGrab(Host)
Signing, OsVer, LanManClient = SmbFinger(Host)
NullSess = check_smb_null_session(Host)
print("['{}', Os:'{}', Domain:'{}', Signing:'{}', Time:'{}', Null Session: {}".format(Host[0], OsVer, DomainJoined, Signing, Time[1],NullSess))
except Exception as err:
pass
def RunFinger(Host):
m = re.search("/", str(Host))
if m:
net,_,mask = Host.partition('/')
mask = int(mask)
net = atod(net)
threads = []
if options.grep_output:
func = ShowSmallResults
else:
func = ShowResults
for host in (dtoa(net+n) for n in range(0, 1<<32-mask)):
p = multiprocessing.Process(target=func, args=((host,445),))
threads.append(p)
p.start()
else:
if options.grep_output:
ShowSmallResults((Host,445))
else:
ShowResults((Host,445))
RunFinger(Host)
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