Summary

Recap

• Trojans are malicious pieces of code that carry cracker software to a target system

• Trojans are used primarily to gain and retain access on the target system

• Trojans often reside deep in the system and make registry changes that allow it to meet its purpose as a remote administration tool

• Popular Trojans include back orifice, NetBus, SubSeven, beast etc.

• Awareness and preventive measures are the best defense against Trojans.