Wrote "Hacker Defender", a rootkit for Windows NT/XP/2000/2003, which he stopped working on in 2006. During Hacker Defender's time, it was one of the preferred applications for showing windows "it's still vulnerable".
Wrote Hacker Defender
Loves fat chicks
http://www.informationweek.com/blog/main/archives/2006/03/rootkit_evange...