Previously unseen backdoor communicates with command-and-control server using DNS traffic.
A previously unseen backdoor (Backdoor.Msupedge) utilizing an infrequently seen technique was deployed in an attack against a university in Taiwan.
The most notable feature of this backdoor is that it communicates with a command-and-control (C&C) server via DNS traffic. While the technique is known and has been used by multiple threat actors, it is nevertheless something that is not often seen.
Källa: New Backdoor Targeting Taiwan Employs Stealthy Communications
