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Linux.Siggen.2900

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:
  • 20#.##.120.64:23
  • 90.##.116.67:23
  • 13#.##3.15.78:23
  • 15#.##8.86.153:23
  • 18#.##7.120.240:23
  • 70.##.250.43:23
  • 14.##.82.45:23
  • 10#.##.31.164:23
  • 58.##8.81.20:23

Curing recommendations


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