] "Hackbot is a vulnerability scanner that started as a
] joke at first, but now it has become a serious project. Hackbot
] scans over 300 CGI's, scans for banners of several services,
] does unicode checks, checks for open relays, outsmarts Cisco
] PIX MailGuard, can do ripe checkup, spamcop db checkup,
] X connect test and lots more."

Of interest...

Hackbot