NgrBot is a modified IrcBot. It has the capability to join different Internet Relay Chat (IRC) channels to perform various attacks according to the IRC-based commands from the command-and-control (C&C) server. Recently, our botnet monitoring system captured an NgrBot variant with hardcoded version 1.1.0.0.
more here............http://blog.fortinet.com/New-Version-Of-NgrBot-Wipes-Hard-Drives/
more here............http://blog.fortinet.com/New-Version-Of-NgrBot-Wipes-Hard-Drives/