Backdoor.EggHead is a backdoor Trojan horse program that uses a freeware IRC bot as its core component.
This backdoor works only under Windows NT/2000/XP.
Once activated, this backdoor gives a third party unrestricted access to the client's computer. http://www.symantec.com/avcenter/ven...r.egghead.html
Hacktool.DoS
Discovered on: February 11, 2002
Hacktool.DoS is a hacktool that performs a Denial of Service (DoS) attack against a third-party server.
Even though this tool does not cause any damage to the computer on which it is deployed, it is considered a threat by network administrators.