sudo aptitude install lynis chkrootkit rkhunter lsat yasat
Getting system information...
Running checkpkgs module...
Running checkinetd module...
Check lsat.out for details.
System tools: system binaries
Boot and services: boot loaders, startup services
Kernel: run level, loaded modules, kernel configuration, core dumps
Memory and processes: zombie processes, IO waiting processes
Users, groups and authentication: group IDs, sudoers, PAM configuration, password aging, default mask
File systems: mount points, /tmp files, root file system
Storage: usb-storage, firewire ohci
Software: name services: DNS search domain, BIND
Ports and packages: vulnerable/upgradable packages, security repository
Networking: nameservers, promiscuous interfaces, connections
Printers and spools: cups configuration
Software: e-mail and messaging
Software: firewalls: iptables, pf
Software: webserver: Apache, nginx
SSH support: SSH configuration
Databases: MySQL root password
Software: php: php options
Logging and files: syslog daemon, log directories
Banners and identification
Scheduled tasks: crontab/cronjob, atd
Accounting: sysstat data, auditd
Time and synchronization: ntp daemon
Cryptography: SSL certificate expiration
Security frameworks: AppArmor, SELinux, grsecurity status
Software: malware scanners
Home directories: shell history files