Hi Firends .

2009.php is old version
2010.php in new version (p7)
The purpose of this shell : execute command and Connect back .
You can test this shell .

connect back (Perl And C) via : system , exec , passthru , execute , shell_exec , popen , proc_open functions .
execute command via : system , exec , passthru , execute , shell_exec , popen functions .

Download

Good luck