Advanced persistent threats are constantly updating their methods to bypass modern network defenses. Recently, security researchers discovered seven new variants of the BPFDoor malware. BPFDoor is a stealthy, kernel-level backdoor that uses Berkeley Packet Filters (BPFs) to monitor network traffic from deep within the operating system. It creates a silent trapdoor that threat actors can […] The post Threat Actors Deploy New BPFDoor Variants With Stealthier C2 Tactics appeared first on Cyber Security News.