1. Rogue Programs: Viruses, Worms, and Trojan Horses. Van Nostrand Reinhold: New York City, NY, 1990.
2. PestPatrol. About RATS: SubSeven and remote administration Trojans. http://www.pestpatrol.com/whitepapers [30 July 2007].
3. Internet Security Systems. ISS Security Alert: Windows backdoor update III. http://xforce.iss.net/xforce/alerts/id/advise30 [30 July 2007].
4. CERT. Advisory CA-1999-01: Trojan horse version of TCP wrappers. http://www.cert.org/advisories/CA-1999-01.html [30 July 2007].
5. Testing times for Trojans. Proceedings of the Ninth International Virus Bulletin Conference, Vancouver, Canada, September/October 1999; 55–67.