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Linux.Siggen.3174

Added to the Dr.Web virus database: 2020-06-28

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • /var/Sofia
Modifies firewall settings:
  • iptables -F
Manages services:
  • systemctl -p CanReload show cron.service
  • systemctl -p LoadState show cron.service
Launches processes:
  • /bin/sh -c iptables -F >/dev/null 2>&1
  • /bin/sh -c /etc/init.d/cron stop >/dev/null 2>&1
  • /etc/init.d/cron stop
  • run-parts --lsbsysinit --list /lib/lsb/init-functions.d
  • readlink -f /etc/init.d/cron
  • systemctl -p CanReload show cron.service
  • systemctl -p LoadState show cron.service
  • /bin/systemctl stop cron.service
  • /bin/echo -e failed!
  • /bin/sh -c /etc/init.d/crond stop >/dev/null 2>&1
  • /etc/init.d/crond stop
Kills system processes:
  • sshd
Performs operations with the file system:
Modifies file access rights:
  • /bin/systemctl
Deletes files:
  • /dev/zero
Network activity:
Awaits incoming connections on ports:
  • 0.0.0.0:4833
Establishes connection:
  • 8.#.8.8:53
Sends data to the following servers:
  • 5.###.110.20:23

Curing recommendations


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