Tattle Trail
PHP 404 pages to trap malicious web requests and report abusers
... phpMyAdmin or WordPress) to exploit are run by a very few bad actors. They're easy to catch by watching for attempted visits to pages that don't exist (usually with admin or db in the path). The more these bad robots get reported (and shut down by their ISPs), the more time they have to spend looking for new hosts instead of new websites they can hack into.