Chkrootkit is a tool to locally check your server for signs of a rootkit.

Installation

$ wget ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz

$ tar -xvzf chkrootkit.tar.gz

$ cd chkrootkit*

$ make sense

Usage

$ ./chkrootkit

The output should indicate “not found” or “not infected” or “nothing found”.