systems:media_server:secure_the_server:install_rkhunter
This is an old revision of the document!
Table of Contents
Systems - Media Server - Secure the Server - Install rkhunter
rkhunter is a rootkit detection tool.
Install rkhunter
sudo apt install rkhunter
NOTE: For mail configuration, select Leave as is.
- Choose a different option, depending on your needs.
Configure RKHunter
Edit the /etc/default/rkhunter file.
- /etc/default/rkhunter
# if set [yes], daily cron job will be run CRON_DAILY_RUN="" # set email address to receive report REPORT_EMAIL="root"
Edit the /etc/rkhunter.conf file.
- /etc/rkhunter.conf
# line 107 : change UPDATE_MIRRORS=1 # line 122 : change MIRRORS_MODE=0 # line 1190 : change to blank WEB_CMD=""
Update database
sudo rkhunter --update
returns:
[ Rootkit Hunter version 1.4.6 ] Checking rkhunter data files... Checking file mirrors.dat [ Updated ] Checking file programs_bad.dat [ No update ] Checking file backdoorports.dat [ No update ] Checking file suspscan.dat [ No update ] Checking file i18n/cn [ Skipped ] Checking file i18n/de [ Skipped ] Checking file i18n/en [ No update ] Checking file i18n/tr [ Skipped ] Checking file i18n/tr.utf8 [ Skipped ] Checking file i18n/zh [ Skipped ] Checking file i18n/zh.utf8 [ Skipped ] Checking file i18n/ja [ Skipped ]
Update system file properties
sudo rkhunter --propupd
returns:
[ Rootkit Hunter version 1.4.6 ] File updated: searched for 179 files, found 141
Run checking
sudo rkhunter --check --sk
returns:
<code> [ Rootkit Hunter version 1.4.6 ]
Checking system commands…
Performing 'strings' command checks Checking 'strings' command [ OK ]
Performing 'shared libraries' checks Checking for preloading variables [ None found ] Checking for preloaded libraries [ None found ] Checking LD_LIBRARY_PATH variable [ Not found ]
Performing file properties checks Checking for prerequisites [ OK ] /usr/sbin/adduser [ OK ] /usr/sbin/chroot [ OK ] /usr/sbin/cron [ OK ] /usr/sbin/depmod [ OK ] /usr/sbin/fsck [ OK ] /usr/sbin/groupadd [ OK ] /usr/sbin/groupdel [ OK ] /usr/sbin/groupmod [ OK ] /usr/sbin/grpck [ OK ] /usr/sbin/ifconfig [ OK ] /usr/sbin/init [ OK ] /usr/sbin/insmod [ OK ] /usr/sbin/ip [ OK ] /usr/sbin/lsmod [ OK ] /usr/sbin/modinfo [ OK ] /usr/sbin/modprobe [ OK ] /usr/sbin/nologin [ OK ] /usr/sbin/pwck [ OK ] /usr/sbin/rmmod [ OK ] /usr/sbin/route [ OK ] /usr/sbin/rsyslogd [ OK ] /usr/sbin/runlevel [ OK ] /usr/sbin/sshd [ OK ] /usr/sbin/sulogin [ OK ] /usr/sbin/sysctl [ OK ] /usr/sbin/useradd [ OK ] /usr/sbin/userdel [ OK ] /usr/sbin/usermod [ OK ] /usr/sbin/vipw [ OK ] /usr/sbin/unhide [ OK ] /usr/sbin/unhide-linux [ OK ] /usr/sbin/unhide-posix [ OK ] /usr/sbin/unhide-tcp [ OK ] /usr/bin/awk [ OK ] /usr/bin/basename [ OK ] /usr/bin/bash [ OK ] /usr/bin/cat [ OK ] /usr/bin/chattr [ OK ] /usr/bin/chmod [ OK ] /usr/bin/chown [ OK ] /usr/bin/cp [ OK ] /usr/bin/curl [ OK ] /usr/bin/cut [ OK ] /usr/bin/date [ OK ] /usr/bin/df [ OK ] /usr/bin/diff [ OK ] /usr/bin/dirname [ OK ] /usr/bin/dmesg [ OK ] /usr/bin/dpkg [ OK ] /usr/bin/dpkg-query [ OK ] /usr/bin/du [ OK ] /usr/bin/echo [ OK ] /usr/bin/ed [ OK ] /usr/bin/egrep [ OK ] /usr/bin/env [ OK ] /usr/bin/fgrep [ OK ] /usr/bin/file [ OK ] /usr/bin/find [ OK ] /usr/bin/fuser [ OK ] /usr/bin/grep [ OK ] /usr/bin/groups [ OK ] /usr/bin/head [ OK ] /usr/bin/id [ OK ] /usr/bin/ip [ OK ] /usr/bin/ipcs [ OK ] /usr/bin/kill [ OK ] /usr/bin/killall [ OK ] /usr/bin/last [ OK ] /usr/bin/lastlog [ OK ] /usr/bin/ldd [ OK ] /usr/bin/less [ OK ] /usr/bin/logger [ OK ] /usr/bin/login [ OK ] /usr/bin/ls [ OK ] /usr/bin/lsattr [ OK ] /usr/bin/lsmod [ OK ] /usr/bin/lsof [ OK ] /usr/bin/mail [ OK ] /usr/bin/md5sum [ OK ] /usr/bin/mktemp [ OK ] /usr/bin/more [ OK ] /usr/bin/mount [ OK ] /usr/bin/mv [ OK ] /usr/bin/netstat [ OK ] /usr/bin/newgrp [ OK ] /usr/bin/passwd [ OK ] /usr/bin/perl [ OK ] /usr/bin/pgrep [ OK ] /usr/bin/ping [ OK ] /usr/bin/pkill [ OK ] /usr/bin/ps [ OK ] /usr/bin/pstree [ OK ] /usr/bin/pwd [ OK ] /usr/bin/readlink [ OK ] /usr/bin/rkhunter [ OK ] /usr/bin/runcon [ OK ] /usr/bin/sed [ OK ] /usr/bin/sh [ OK ] /usr/bin/sha1sum [ OK ] /usr/bin/sha224sum [ OK ] /usr/bin/sha256sum [ OK ] /usr/bin/sha384sum [ OK ] /usr/bin/sha512sum [ OK ] /usr/bin/size [ OK ] /usr/bin/sort [ OK ] /usr/bin/ssh [ OK ] /usr/bin/stat [ OK ] /usr/bin/strace [ OK ] /usr/bin/strings [ OK ] /usr/bin/su [ OK ] /usr/bin/sudo [ OK ] /usr/bin/tail [ OK ] /usr/bin/telnet [ OK ] /usr/bin/test [ OK ] /usr/bin/top [ OK ] /usr/bin/touch [ OK ] /usr/bin/tr [ OK ] /usr/bin/uname [ OK ] /usr/bin/uniq [ OK ] /usr/bin/users [ OK ] /usr/bin/vmstat [ OK ] /usr/bin/w [ OK ] /usr/bin/watch [ OK ] /usr/bin/wc [ OK ] /usr/bin/wget [ OK ] /usr/bin/whatis [ OK ] /usr/bin/whereis [ OK ] /usr/bin/which [ OK ] /usr/bin/who [ OK ] /usr/bin/whoami [ OK ] /usr/bin/numfmt [ OK ] /usr/bin/kmod [ OK ] /usr/bin/systemd [ OK ] /usr/bin/systemctl [ OK ] /usr/bin/gawk [ OK ] /usr/bin/bsd-mailx [ OK ] /usr/bin/x86_64-linux-gnu-size [ OK ] /usr/bin/x86_64-linux-gnu-strings [ OK ] /usr/bin/inetutils-telnet [ OK ] /usr/bin/which.debianutils [ OK ] /usr/lib/systemd/systemd [ OK ]
Checking for rootkits…
Performing check of known rootkit files and directories 55808 Trojan - Variant A [ Not found ] ADM Worm [ Not found ] AjaKit Rootkit [ Not found ] Adore Rootkit [ Not found ] aPa Kit [ Not found ] Apache Worm [ Not found ] Ambient (ark) Rootkit [ Not found ] Balaur Rootkit [ Not found ] BeastKit Rootkit [ Not found ] beX2 Rootkit [ Not found ] BOBKit Rootkit [ Not found ] cb Rootkit [ Not found ] CiNIK Worm (Slapper.B variant) [ Not found ] Danny-Boy's Abuse Kit [ Not found ] Devil RootKit [ Not found ] Diamorphine LKM [ Not found ] Dica-Kit Rootkit [ Not found ] Dreams Rootkit [ Not found ] Duarawkz Rootkit [ Not found ] Ebury backdoor [ Not found ] Enye LKM [ Not found ] Flea Linux Rootkit [ Not found ] Fu Rootkit [ Not found ] Fuck`it Rootkit [ Not found ] GasKit Rootkit [ Not found ] Heroin LKM [ Not found ] HjC Kit [ Not found ] ignoKit Rootkit [ Not found ] IntoXonia-NG Rootkit [ Not found ] Irix Rootkit [ Not found ] Jynx Rootkit [ Not found ] Jynx2 Rootkit [ Not found ] KBeast Rootkit [ Not found ] Kitko Rootkit [ Not found ] Knark Rootkit [ Not found ] ld-linuxv.so Rootkit [ Not found ] Li0n Worm [ Not found ] Lockit / LJK2 Rootkit [ Not found ] Mokes backdoor [ Not found ] Mood-NT Rootkit [ Not found ] MRK Rootkit [ Not found ] Ni0 Rootkit [ Not found ] Ohhara Rootkit [ Not found ] Optic Kit (Tux) Worm [ Not found ] Oz Rootkit [ Not found ] Phalanx Rootkit [ Not found ] Phalanx2 Rootkit [ Not found ] Phalanx2 Rootkit (extended tests) [ Not found ] Portacelo Rootkit [ Not found ] R3dstorm Toolkit [ Not found ] RH-Sharpe's Rootkit [ Not found ] RSHA's Rootkit [ Not found ] Scalper Worm [ Not found ] Sebek LKM [ Not found ] Shutdown Rootkit [ Not found ] SHV4 Rootkit [ Not found ] SHV5 Rootkit [ Not found ] Sin Rootkit [ Not found ] Slapper Worm [ Not found ] Sneakin Rootkit [ Not found ] 'Spanish' Rootkit [ Not found ] Suckit Rootkit [ Not found ] Superkit Rootkit [ Not found ] TBD (Telnet BackDoor) [ Not found ] TeLeKiT Rootkit [ Not found ] T0rn Rootkit [ Not found ] trNkit Rootkit [ Not found ] Trojanit Kit [ Not found ] Tuxtendo Rootkit [ Not found ] URK Rootkit [ Not found ] Vampire Rootkit [ Not found ] VcKit Rootkit [ Not found ] Volc Rootkit [ Not found ] Xzibit Rootkit [ Not found ] zaRwT.KiT Rootkit [ Not found ] ZK Rootkit [ Not found ]
Performing additional rootkit checks Suckit Rootkit additional checks [ OK ] Checking for possible rootkit files and directories [ None found ] Checking for possible rootkit strings [ None found ]
Performing malware checks Checking running processes for suspicious files [ None found ] Checking for login backdoors [ None found ] Checking for sniffer log files [ None found ] Checking for suspicious directories [ None found ] Checking for suspicious (large) shared memory segments [ None found ] Checking for Apache backdoor [ Not found ]
Performing Linux specific checks Checking loaded kernel modules [ OK ] Checking kernel module names [ OK ]
Checking the network…
Performing checks on the network ports Checking for backdoor ports [ None found ]
Performing checks on the network interfaces Checking for promiscuous interfaces [ None found ]
Checking the local host…
Performing system boot checks Checking for local host name [ Found ] Checking for system startup files [ Found ] Checking system startup files for malware [ None found ]
Performing group and account checks Checking for passwd file [ Found ] Checking for root equivalent (UID 0) accounts [ None found ] Checking for passwordless accounts [ None found ] Checking for passwd file changes [ None found ] Checking for group file changes [ None found ] Checking root account shell history files [ OK ]
Performing system configuration file checks Checking for an SSH configuration file [ Found ] Checking if SSH root access is allowed [ Warning ] Checking if SSH protocol v1 is allowed [ Not set ] Checking for other suspicious configuration settings [ None found ] Checking for a running system logging daemon [ Found ] Checking for a system logging configuration file [ Found ] Checking if syslog remote logging is allowed [ Not allowed ]
Performing filesystem checks Checking /dev for suspicious file types [ None found ] Checking for hidden files and directories [ Warning ]
System checks summary
File properties checks…
Files checked: 141 Suspect files: 0
Rootkit checks…
Rootkits checked : 498 Possible rootkits: 0
Applications checks…
All checks skipped
The system checks took: 1 minute and 31 seconds
All results have been written to the log file: /var/log/rkhunter.log
One or more warnings have been found while checking the system. Please check the log file (/var/log/rkhunter.log)
</WRAP>
systems/media_server/secure_the_server/install_rkhunter.1748645796.txt.gz · Last modified: 2025/05/30 22:56 by peter