# Copyright (C) 2015, Wazuh Inc.
#
# This program is a free software; you can redistribute it
# and/or modify it under the terms of the GNU General Public
# License (version 2) as published by the FSF - Free Software
# Foundation
#
# rootkit_trojans.txt, (C) Daniel B. Cid
#
# Imported from the rootcheck project.
# Some entries taken from the chkrootkit project.
#
# Blank lines and lines starting with '#' are ignored.
#
# Each line must be in the following format:
# file_name !string_to_search!Description

# Common binaries and public trojan entries
ls          !bash|^/bin/sh|dev/[^clu]|\.tmp/lsfile|duarawkz|/prof|/security|file\.h!
env         !bash|^/bin/sh|file\.h|proc\.h|/dev/|^/bin/.*sh!
echo        !bash|^/bin/sh|file\.h|proc\.h|/dev/[^cl]|^/bin/.*sh!
chown       !bash|^/bin/sh|file\.h|proc\.h|/dev/[^cl]|^/bin/.*sh!
chmod       !bash|^/bin/sh|file\.h|proc\.h|/dev/[^cl]|^/bin/.*sh!
chgrp       !bash|^/bin/sh|file\.h|proc\.h|/dev/[^cl]|^/bin/.*sh!
cat         !bash|^/bin/sh|file\.h|proc\.h|/dev/[^cl]|^/bin/.*sh!
bash        !proc\.h|/dev/[0-9]|/dev/[hijkz]!
sh          !proc\.h|/dev/[0-9]|/dev/[hijkz]!
uname       !bash|^/bin/sh|file\.h|proc\.h|^/bin/.*sh!
date        !bash|^/bin/sh|file\.h|proc\.h|/dev/[^cln]|^/bin/.*sh!
du          !w0rm|/prof|file\.h!
df          !bash|^/bin/sh|file\.h|proc\.h|/dev/[^clurdv]|^/bin/.*sh!
login       !elite|SucKIT|xlogin|vejeta|porcao|lets_log|sukasuk!
passwd      !bash|file\.h|proc\.h|/dev/ttyo|/dev/[A-Z]|/dev/[b-s,uvxz]!
mingetty    !bash|Dimensioni|pacchetto!
chfn        !bash|file\.h|proc\.h|/dev/ttyo|/dev/[A-Z]|/dev/[a-s,uvxz]!
chsh        !bash|file\.h|proc\.h|/dev/ttyo|/dev/[A-Z]|/dev/[a-s,uvxz]!
mail        !bash|file\.h|proc\.h|/dev/[^nu]!
su          !/dev/[d-s,abuvxz]|/dev/[A-D]|/dev/[F-Z]|/dev/[0-9]|satori|vejeta|conf\.inv!
sudo        !satori|vejeta|conf\.inv!
crond       !/dev/[^nt]|bash!
gpm         !bash|mingetty!
ifconfig    !bash|^/bin/sh|/dev/tux|session.null|/dev/[^cludisopt]!
diff        !bash|^/bin/sh|file\.h|proc\.h|/dev/[^n]|^/bin/.*sh!
md5sum      !bash|^/bin/sh|file\.h|proc\.h|/dev/|^/bin/.*sh!
hdparm      !bash|/dev/ida!
ldd         !/dev/[^n]|proc\.h|libshow.so|libproc.a!

# Trojan entries for troubleshooting binaries
grep        !bash|givemer!
egrep       !bash|^/bin/sh|file\.h|proc\.h|/dev/|^/bin/.*sh!
find        !bash|/dev/[^tnlcs]|/prof|/home/virus|file\.h!
lsof        !/prof|/dev/[^apcmnfk]|proc\.h|bash|^/bin/sh|/dev/ttyo|/dev/ttyp!
netstat     !bash|^/bin/sh|/dev/[^aik]|/prof|grep|addr\.h!
top         !/dev/[^npi3st%]|proc\.h|/prof/!
ps          !/dev/ttyo|\.1proc|proc\.h|bash|^/bin/sh!
tcpdump     !bash|^/bin/sh|file\.h|proc\.h|/dev/[^bu]|^/bin/.*sh!
pidof       !bash|^/bin/sh|file\.h|proc\.h|/dev/[^f]|^/bin/.*sh!
fuser       !bash|^/bin/sh|file\.h|proc\.h|/dev/[a-dtz]|^/bin/.*sh!
w           !uname -a|proc\.h|bash!

# Trojan entries for common daemons
sendmail    !bash|fuck!
named       !bash|blah|/dev/[0-9]|^/bin/sh!
inetd       !bash|^/bin/sh|file\.h|proc\.h|/dev/[^un%]|^/bin/.*sh!
apachectl   !bash|^/bin/sh|file\.h|proc\.h|/dev/[^n]|^/bin/.*sh!
sshd        !check_global_passwd|panasonic|satori|vejeta|\.ark|/hash\.zk|bash|/dev[a-s]|/dev[A-Z]/!
syslogd     !bash|/usr/lib/pt07|/dev/[^cln]]|syslogs\.h|proc\.h!
xinetd      !bash|file\.h|proc\.h!
in.telnetd  !cterm100|vt350|VT100|ansi-term|bash|^/bin/sh|/dev[A-R]|/dev/[a-z]/!
in.fingerd  !bash|^/bin/sh|cterm100|/dev/!
identd      !bash|^/bin/sh|file\.h|proc\.h|/dev/[^n]|^/bin/.*sh!
init        !bash|/dev/h
tcpd        !bash|proc\.h|p1r0c4|hack|/dev/[^n]!
rlogin      !p1r0c4|r00t|bash|/dev/[^nt]!

# Kill trojan
killall     !/dev/[^t%]|proc\.h|bash|tmp!
kill        !/dev/[ab,d-k,m-z]|/dev/[F-Z]|/dev/[A-D]|/dev/[0-9]|proc\.h|bash|tmp!

# Rootkit entries
/etc/rc.d/rc.sysinit    !enyelkmHIDE! enye-sec Rootkit

# ZK rootkit (http://honeyblog.org/junkyard/reports/redhat-compromise2.pdf)
/etc/sysconfig/console/load.zk   !/bin/sh! ZK rootkit
/etc/sysconfig/console/load.zk   !usr/bin/run! ZK rootkit

# Modified /etc/hosts entries
# Idea taken from:
# http://blog.tenablesecurity.com/2006/12/detecting_compr.html
# http://www.sophos.com/security/analyses/trojbagledll.html
# http://www.f-secure.com/v-descs/fantibag_b.shtml
/etc/hosts  !^[^#]*avp\.ch!Anti-virus site on the hosts file
/etc/hosts  !^[^#]*avp\.ru!Anti-virus site on the hosts file
/etc/hosts  !^[^#]*awaps\.net! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*ca\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*mcafee\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*microsoft\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*f-secure\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*sophos\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*symantec\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*my-etrust\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*nai\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*networkassociates\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*viruslist\.ru! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*kaspersky! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*symantecliveupdate\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*grisoft\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*clamav\.net! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*bitdefender\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*antivirus\.com! Anti-virus site on the hosts file
/etc/hosts  !^[^#]*sans\.org! Security site on the hosts file
