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68 lines
2.2 KiB
Python
Executable file
68 lines
2.2 KiB
Python
Executable file
#!/usr/bin/env python
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# This file is part of Responder, a network take-over set of tools
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# created and maintained by Laurent Gaffie.
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# email: laurent.gaffie@gmail.com
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import os
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import datetime
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import struct
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import socket
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sys.path.insert(0, os.path.realpath(os.path.join(os.path.dirname(__file__), '..')))
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from packets import SMBHeaderReq, SMB2NegoReq, SMB2NegoDataReq
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def GetBootTime(data):
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Filetime = int(struct.unpack('<q',data)[0])
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t = divmod(Filetime - 116444736000000000, 10000000)
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time = datetime.datetime.fromtimestamp(t[0])
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return time, time.strftime('%Y-%m-%d %H:%M:%S')
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def IsDCVuln(t):
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Date = datetime.datetime(2014, 11, 17, 0, 30)
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if t[0] < Date:
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print "DC is up since:", t[1]
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print "This DC is vulnerable to MS14-068"
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print "DC is up since:", t[1]
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def run(host):
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect(host)
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s.settimeout(5)
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Header = SMBHeaderReq(Cmd="\x72",Flag1="\x18",Flag2="\x53\xc8")
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Nego = SMB2NegoReq(Data = SMB2NegoDataReq())
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Nego.calculate()
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Packet = str(Header)+str(Nego)
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Buffer = struct.pack(">i", len(Packet)) + Packet
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s.send(Buffer)
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try:
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data = s.recv(1024)
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if data[4:5] == "\xff":
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print "This host doesn't support SMBv2"
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if data[4:5] == "\xfe":
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IsDCVuln(GetBootTime(data[116:124]))
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except Exception:
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s.close()
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raise
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if __name__ == "__main__":
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if len(sys.argv)<=1:
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sys.exit('Usage: python '+sys.argv[0]+' DC-IP-address')
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host = sys.argv[1],445
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run(host)
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