mx16Chkrootkit is one of the oldest and most widely used open-source rootkit detection tools for Linux. The 2026 version remains actively maintained, providing essential security checks for Linux administrators who need to verify their systems are not compromised.
Detection Capabilities
- System file checking for known rootkit signatures
- Detection of hidden processes (via /proc)
- Lastlog and wtmp manipulation detection
- Promiscuous mode interface detection
- Trojaned binary detection
- Network interface monitoring
Verdict
Chkrootkit is a lightweight, reliable tool that belongs in every Linux administrator’s security toolkit. Used alongside rkhunter and ClamAV, it provides layered defense against rootkit-level threats.
