New IRC Worm Threatens Corporate Networks

SC Magazine UK reports that a new Internet Relay Chat (IRC) worm can "pose a significant threat to enterprise networks."

The worm called, Nirbot contains mostly new code and spreads after receiving instructions from its controller over rouge IRC networks.

The worm exploits a vulnerability in Symantec anti-virus, the Microsoft server service, and also exploits password weaknesses in Windows file-sharing networks.

[IRC bot a growing threat to enterprise networks]