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Profil

Linux.Packed.367

Added to the Dr.Web virus database: 2019-04-25

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Modifies firewall settings:
  • iptables -I INPUT -p tcp --dport 22 -j DROP
  • iptables -I INPUT -p tcp --dport 23 -j DROP
  • iptables -I OUTPUT -p tcp --sport 22 -j DROP
  • iptables -I OUTPUT -p tcp --sport 23 -j DROP
  • iptables -I INPUT -p udp --dport 8083 -j ACCEPT
  • iptables -I OUTPUT -p udp --sport 8083 -j ACCEPT
  • iptables -I PREROUTING -t nat -p udp --dport 8083 -j ACCEPT
Launches processes:
  • sh -c echo 3 > /proc/sys/vm/drop_caches
  • sh -c iptables -I INPUT -p tcp --dport 22 -j DROP
  • sh -c iptables -I INPUT -p tcp --dport 23 -j DROP
  • sh -c iptables -I OUTPUT -p tcp --sport 22 -j DROP
  • sh -c iptables -I OUTPUT -p tcp --sport 23 -j DROP
  • sh -c iptables -I INPUT -p udp --dport 8083 -j ACCEPT
  • sh -c iptables -I OUTPUT -p udp --sport 8083 -j ACCEPT
  • sh -c iptables -I PREROUTING -t nat -p udp --dport 8083 -j ACCEPT
Performs operations with the file system:
Creates or modifies files:
  • /tmp/xrun.pid
  • /proc/sys/vm/drop_caches
Network activity:
Awaits incoming connections on ports:
  • 0.0.0.0:8083
Establishes connection:
  • [:##]:8083
  • 127.0.0.1:8083

Curing recommendations


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