Using the Domain Name System for System Break-Ins - http://www.research.att.com/~smb/papers/dnshack.pdf Paper by Steven M. Bellovin. Published in the Proceedings of the Fifth Usenix UNIX Security Symposium, Salt Lake City, UT, June, 1995. [PDF]
Luigi Auriemma - http://aluigi.altervista.org/ Personal advisories, research, proof-of-concepts and papers.