Block Bad Queries ausperren

/*Plugin Name: Block Bad Queries Plugin URI: http://perishablepress.com/ Description: Protect WordPress Against Malicious URL Requests Author URI: http://perishablepress.com/ Author: Perishable Press Version: 1.0 */
 if (strpos($_SERVER['REQUEST_URI'], "eval(") || strpos($_SERVER['REQUEST_URI'], "CONCAT") || strpos($_SERVER['REQUEST_URI'], "UNION+SELECT") || strpos($_SERVER['REQUEST_URI'], "base64")) { @header("HTTP/1.1 400 Bad Request"); @header("Status: 400 Bad Request"); @header("Connection: Close"); @exit; }