Bifrose Backdoor Variant Uses Tor, May Work Against It

August 29, 2014


Communication with the command and control (CC) server via Tor used by a version of Bifrose backdoor could be leveraged by IT administrators to detect the cyber intrusion. Tor (The Onion Router) is a network of computers designed to anonymize communication between two parties by concealing their location. It is generally used to fight censorship and to protect the privacy of the users. While investigating an attack against an undisclosed device manufacturer, security researchers at Tren…