Scan Backdoor Dan Rootkit di Linux Menggunakan rkhunter
Tools ini sangat berguna untuk server, karena dapat memindai backdoor, local exploit/ atau rootkit jika ada peretasan.
1. Install rkhunter
Debian Based/Ubuntu
sudo apt install rkhunterArch Based
sudo pacman -S rkhunterFedora/Centos/RedHat
sudo dnf install rkhunter
sudo yum install rkhunterManual
wget http://downloads.sourceforge.net/project/rkhunter/rkhunter/1.4.6/rkhunter-1.4.6.tar.gz
tar -xvf rkhunter-1.4.6.tar.gz
cd rkhunter-1.4.6
./installer.sh --layout default --install2. Scan menggunakan rkhunter
untuk scan semua file di system, jalankan rkhunter sebagai root
sudo rkhunter --check[ 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 [ Warning ]
/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/chroot [ OK ]
/usr/bin/cp [ OK ]
/usr/bin/curl [ OK ]
/usr/bin/cut [ OK ]
/usr/bin/date [ OK ]
/usr/bin/depmod [ OK ]
/usr/bin/df [ OK ]
/usr/bin/diff [ OK ]
/usr/bin/dirname [ OK ]
/usr/bin/dmesg [ OK ]
/usr/bin/du [ OK ]
/usr/bin/echo [ OK ]
/usr/bin/egrep [ Warning ]
/usr/bin/env [ OK ]
/usr/bin/fgrep [ Warning ]
/usr/bin/file [ OK ]
/usr/bin/find [ OK ]
/usr/bin/fsck [ OK ]
/usr/bin/fuser [ OK ]
/usr/bin/grep [ OK ]
/usr/bin/groupadd [ OK ]
/usr/bin/groupdel [ OK ]
/usr/bin/groupmod [ OK ]
/usr/bin/groups [ OK ]
/usr/bin/grpck [ OK ]
/usr/bin/head [ OK ]
/usr/bin/id [ OK ]
/usr/bin/ifconfig [ OK ]
/usr/bin/init [ OK ]
/usr/bin/insmod [ 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 [ Warning ]
/usr/bin/less [ OK ]
/usr/bin/locate [ 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/md5sum [ OK ]
/usr/bin/mktemp [ OK ]
/usr/bin/mlocate [ OK ]
/usr/bin/modinfo [ OK ]
/usr/bin/modprobe [ OK ]
/usr/bin/more [ OK ]
/usr/bin/mount [ OK ]
/usr/bin/mv [ OK ]
/usr/bin/netstat [ OK ]
/usr/bin/newgrp [ OK ]
/usr/bin/nologin [ 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/pwck [ OK ]
/usr/bin/pwd [ OK ]
/usr/bin/readlink [ OK ]
/usr/bin/rkhunter [ OK ]
/usr/bin/rmmod [ OK ]
/usr/bin/route [ 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/sshd [ OK ]
/usr/bin/stat [ OK ]
/usr/bin/strings [ OK ]
/usr/bin/su [ OK ]
/usr/bin/sudo [ OK ]
/usr/bin/sulogin [ OK ]
/usr/bin/sysctl [ 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/useradd [ OK ]
/usr/bin/userdel [ OK ]
/usr/bin/usermod [ OK ]
/usr/bin/users [ OK ]
/usr/bin/vipw [ OK ]
/usr/bin/vmstat [ OK ]
/usr/bin/w [ OK ]
/usr/bin/watch [ OK ]
/usr/bin/wc [ OK ]
/usr/bin/wget [ OK ]
/usr/bin/whereis [ OK ]
/usr/bin/which [ OK ]
/usr/bin/who [ OK ]
/usr/bin/whoami [ OK ]
/usr/bin/numfmt [ OK ]
/usr/bin/gawk [ OK ]
/usr/bin/kmod [ OK ]
/usr/bin/openrc-init [ OK ]
/usr/bin/plocate [ OK ]
/usr/bin/vendor_perl/GET [ Warning ]
/etc/rkhunter.conf [ OK ]
[Press to continue]
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 ]
[Press to continue]
Performing additional rootkit checks
Suckit Rootkit additional checks [ OK ]
Checking for possible rootkit files and directories [ Warning ]
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 [ Warning ]
Checking for Apache backdoor [ Not found ]
Performing Linux specific checks
Checking loaded kernel modules [ OK ]
Checking kernel module names [ OK ]
[Press to continue]
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 [ Warning ]
Checking for group file changes [ Warning ]
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 [ Warning ]
Checking for other suspicious configuration settings [ None found ]
Checking for a running system logging daemon [ Warning ]
Checking for a system logging configuration file [ Not found ]
Performing filesystem checks
Checking /dev for suspicious file types [ None found ]
Checking for hidden files and directories [ Warning ] untuk check log hasil scan, kalian bisa ketikkan command.
sudo cat /var/log/rkhunter.logPenutupan
Mungkin segitu aja artikel kali ini, jika da kekurangan mohon maaf btw artikel ini terinspirasi dari salah satu scene MrRobot ketika Elliot disadap sama adiknya sendiri wkwk.
Keep Calm And Exploit!.
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