Botnet masters hide command and control server inside the Tor network
Security researchers from German antivirus vendor G Data Software have identified a botnet that is controlled by attackers from an Internet Relay Chat (IRC) server running as a hidden service inside the Tor anonymity network.
Read more: Botnet masters hide command and control server inside the Tor network
Story added 12. September 2012, content source with full text you can find at link above.