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Plague: A Newly Discovered PAM-Based Backdoor for Linux
(www.nextron-systems.com)
For [Blue|Purple] Teams in Cyber Defence - covering discovery, detection, response, threat intelligence, malware, offensive tradecraft and tooling, deception, reverse engineering etc.
If you think Windows/Mac heuristic scanners can detect all malware, especially new malware, I can see why you think Linux is at a disadvantage.