rkhunter
Rootkit, backdoor, sniffer and exploit scanner
Platforms: Linux · Last verified September 6, 2026
Rootkit Hunter scans systems for known and unknown rootkits, backdoors, sniffers and exploits.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
See the official Kali tool page and upstream homepage linked above for installation and usage details.