SAMHAIN v.2.5.8 available
The samhain open source host-based intrusion detection system (HIDS) provides file integrity checking and logfile monitoring/analysis, as well as rootkit detection, port monitoring, detection of rogue SUID executables, and hidden processes.
It has been designed to monitor multiple hosts with potentially different
operating systems, providing centralized logging and maintenance, although
it can also be used as standalone application on a single host.
Samhain is a multiplatform application for POSIX systems (Unix, Linux,
Tool Submitted by Maximiliano Soler