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Linux.Siggen.2903

Added to the Dr.Web virus database: 2020-05-12

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
  • /bin/systemctl stop cron.service
Launches processes:
  • sh -c iptables -F >/dev/null 2>&1
  • 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
  • sh -c /etc/init.d/crond stop >/dev/null 2>&1
  • /etc/init.d/crond stop
Kills system processes:
  • sshd
Kills the following processes:
  • run.sh
Performs operations with the file system:
Modifies file access rights:
  • /bin/systemctl
Network activity:
Awaits incoming connections on ports:
  • 0.0.0.0:9105
Establishes connection:
  • 8.#.8.8:53
  • 37.##.226.209:9990
  • 37.##.226.209:28344
Attacks using a special dictionary (brute-force technique) via the Telnet protocol.
Sends data to the following servers:
  • 5.###.191.141:23
  • 15#.##0.243.14:23
  • 16#.#.121.141:23
  • 65.##8.39.57:23
  • 10#.##7.134.223:23
  • 21#.##9.217.198:23
  • 47.###.231.231:23
  • 93.###.112.254:23
  • 80.###.193.19:23

Curing recommendations


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