Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /etc/init.d/.chinaz{1609761452
- /etc/cron.hourly/cron.sh
- /etc/crontab
Creates or modifies the following symlinks:
- /etc/rc1.d/S90.chinaz{1609761452
- /etc/rc2.d/S90.chinaz{1609761452
- /etc/rc3.d/S90.chinaz{1609761452
- /etc/rc4.d/S90.chinaz{1609761452
- /etc/rc5.d/S90.chinaz{1609761452
Malicious functions:
Removes itself
Launches itself as a daemon
Modifies firewall settings:
- iptables --flush
- iptables -A OUTPUT -p tcp --dport 0 -j DROP
Manages services:
- update-rc.d <SAMPLE> remove
- update-rc.d .chinaz{1609761452 defaults
- systemctl daemon-reload
Launches processes:
- chkconfig --del <SAMPLE>
- chkconfig --add .chinaz{1609761452
- sh -c sed -i '/\/etc\/cron.hourly\/cron.sh/d' /etc/crontab && echo '*/3 * * * * root /etc/cron.hourly/cron.sh' >> /etc/crontab
- sed -i /\/etc\/cron.hourly\/cron.sh/d /etc/crontab
- sh -c rm -rf /etc/resolv.conf
- rm -rf /etc/resolv.conf
- sh -c iptables --flush
- sh -c whoami
- whoami
- /sbin/insserv .chinaz{1609761452
- sh -c touch /home/root/ConfigDatecz
- touch /home/root/ConfigDatecz
- sh -c iptables -A OUTPUT -p tcp --dport 0 -j DROP
Performs operations with the file system:
Modifies file access rights:
- /etc/sedBbh0Tg
Creates or modifies files:
- /tmp/.chinaz{1609761452
- /etc/sedBbh0Tg
- /home/root/ConfigDatecz
Deletes files:
- /etc/init.d/<SAMPLE>
- /etc/rc1.d/S90<SAMPLE>
- /etc/rc2.d/S90<SAMPLE>
- /etc/rc3.d/S90<SAMPLE>
- /etc/rc4.d/S90<SAMPLE>
- /etc/rc5.d/S90<SAMPLE>
- /etc/rc1.d/S90.chinaz{1609761452
- /etc/rc2.d/S90.chinaz{1609761452
- /etc/rc3.d/S90.chinaz{1609761452
- /etc/rc4.d/S90.chinaz{1609761452
- /etc/rc5.d/S90.chinaz{1609761452
- /etc/rc.d/rc1.d/S90.chinaz{1609761452
- /etc/rc.d/rc2.d/S90.chinaz{1609761452
- /etc/rc.d/rc3.d/S90.chinaz{1609761452
- /etc/rc.d/rc4.d/S90.chinaz{1609761452
- /etc/rc.d/rc5.d/S90.chinaz{1609761452
- /etc/resolv.conf
Network activity:
Establishes connection:
- 127.0.0.1:53
- 0.0.0.0:2553
- 8.#.8.8:53
DNS ASK:
- 12#.#30.029.23
Sends data to the following servers:
- 0.0.0.0:0
- 127.0.0.1:2553
Other:
Collects CPU information
Collects RAM information