Trojanized Linux system daemon binary replacement (crond/sshd/polkitd)

Arnold Chan@slaz

•updated Sep 7, 2026•0•0•0

Detects the modification or replacement of critical Linux system daemons (crond, sshd, polkitd, etc.) followed by a service restart or reload. This behavior is indicative of potential trojanization or unauthorized tampering of system processes to establish persistence or inject malicious code.