chkrootkit

Performing file properties checks
Checking for prerequisites [ Warning ]
/bin/login [ Warning ]

/bin/su [ Warning ]
/usr/bin/curl [ Warning ]
/usr/bin/dpkg [ Warning ]
/usr/bin/dpkg-query [ Warning ]
/usr/bin/lastlog [ Warning ]
/usr/bin/ldd [ Warning ]
/usr/bin/newgrp [ Warning ]
/usr/bin/passwd [ Warning ]
/usr/bin/rpm [ Warning ]
/usr/bin/sudo [ Warning ]
/usr/bin/wget [ Warning ]
/usr/sbin/groupadd [ Warning ]
/usr/sbin/groupdel [ Warning ]
/usr/sbin/groupmod [ Warning ]
/usr/sbin/grpck [ Warning ]
/usr/sbin/nologin [ Warning ]
/usr/sbin/pwck [ Warning ]
/usr/sbin/useradd [ Warning ]
/usr/sbin/userdel [ Warning ]
/usr/sbin/usermod [ Warning ]
/usr/sbin/vipw [ Warning ]

rkhunter -c

Performing system configuration file checks
Checking if SSH root access is allowed [ Warning ]

Performing filesystem checks
Checking /dev for suspicious file types [ Warning ]

Checking application versions...
Checking version of Exim MTA [ Warning ]
Checking version of GnuPG [ Warning ]
Checking version of OpenSSL [ Warning ]
Checking version of OpenSSH [ Warning ]