Chkrootkit

Chkrootkit is a Linux tool to locally check for signs of a rootkit. It contains:

• chkrootkit: shell script that checks system binaries for rootkit modification.
• ifpromisc.c: checks if the interface is in promiscuous mode.
• chklastlog.c: checks for lastlog deletions.
• chkwtmp.c: checks for wtmp deletions.
• chkproc.c: checks for signs of LKM trojans.
• chkdirs.c: checks for signs of LKM trojans.
• strings.c: quick and dirty strings replacement.
• chkutmp.c: checks for utmp deletions.