Cybersecurity researchers have flagged a previously undocumented Linux backdoor dubbed Plague that has managed to evade detection for a year.
"The implant is built as a malicious PAM (Pluggable Authentication Module), enabling attackers to silently bypass system authentication and gain persistent SSH access," Nextron Systems researcher Pierre-Henri Pezier said.
Pluggable Authentication Modules



Source: TheHackerNews
Source Link: https://thehackernews.com/2025/08/new-plague-pam-backdoor-exposes.html