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Linux.Siggen.3229

Added to the Dr.Web virus database: 2020-07-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/selinux
Creates or modifies the following symlinks:
  • /etc/rc2.d/S99selinux
  • /etc/rc3.d/S99selinux
  • /etc/rc4.d/S99selinux
  • /etc/rc5.d/S99selinux
Malicious functions:
Launches itself as a daemon
Manages services:
  • service iptables stop
  • systemctl stop iptables.service
Launches processes:
  • sh -c service iptables stop 2>/dev/null
  • sh -c chkconfig iptables off 2>/dev/null
  • sh -c cp <SAMPLE_FULL_PATH> /usr/bin/.zip.swp -rf
  • cp <SAMPLE_FULL_PATH> /usr/bin/.zip.swp -rf
  • sh -c cp <SAMPLE_FULL_PATH> /usr/share/man/man3/ast.gz -rf
  • cp <SAMPLE_FULL_PATH> /usr/share/man/man3/ast.gz -rf
  • sh -c cp <SAMPLE_FULL_PATH> /usr/bin/camplz -rf
  • cp <SAMPLE_FULL_PATH> /usr/bin/camplz -rf
  • sh -c chmod u+x /usr/bin/camplz 2>/dev/null
  • chmod u+x /usr/bin/camplz
  • sh -c chmod u+x /usr/bin/.zip.swp 2>/dev/null
  • chmod u+x /usr/bin/.zip.swp
  • sh -c chmod u+x /usr/share/man/man3/ast.gz 2>/dev/null
  • chmod u+x /usr/share/man/man3/ast.gz
  • sh -c chmod u+x /usr/bin/acpid 2>/dev/null
  • chmod u+x /usr/bin/acpid
  • sh -c mkdir -p /usr/bin/dbus
  • mkdir -p /usr/bin/dbus
  • sh -c chmod u+x /usr/bin/dbus/dbus-daemon-draw
  • chmod u+x /usr/bin/dbus/dbus-daemon-draw
  • sh -c echo \"#acpid conf\" >>/etc/init/acpid.conf
  • sh -c echo \"start on RUNLEVEL[12345]\" >>/etc/init/acpid.conf
  • sh -c echo \"respawn\" >>/etc/init/acpid.conf
  • sh -c echo \"exec /usr/bin/acpid &\" >>/etc/init/acpid.conf
  • sh -c echo \"/usr/bin/acpid\" >>/etc/rc.sysinit
  • sh -c nohup bash /usr/bin/acpid 2>/dev/null &
  • sh -c nohup bash /usr/bin/dbus/dbus-daemon-draw 2>/dev/null &
  • nohup bash /usr/bin/acpid
  • bash /usr/bin/acpid
  • nohup bash /usr/bin/dbus/dbus-daemon-draw
  • bash /usr/bin/dbus/dbus-daemon-draw
  • sleep 1
  • pgrep camplz
  • cp /usr/bin/camplz .
  • rm camplz
  • camplz
Performs operations with the file system:
Modifies file access rights:
  • /usr/bin/camplz
  • /usr/bin/.zip.swp
  • /usr/share/man/man3/ast.gz
  • /usr/bin/acpid
  • /usr/bin/dbus/dbus-daemon-draw
  • /etc/init.d/selinux
Creates folders:
  • /usr/bin/dbus
Creates or modifies files:
  • /usr/bin/.zip.swp
  • /usr/share/man/man3/ast.gz
  • /usr/bin/camplz
  • /usr/bin/acpid
  • /usr/bin/dbus/dbus-daemon-draw
  • /etc/init/acpid.conf
  • /etc/rc.sysinit
  • /camplz
  • /root/camplz
  • /tmp/ddkadlfadiiahjmdcllf
  • /tmp/config.f
Deletes files:
  • /etc/rc.d/rc2.d/S99selinux
  • /etc/rc.d/rc3.d/S99selinux
  • /etc/rc.d/rc4.d/S99selinux
  • /etc/rc.d/rc5.d/S99selinux
  • /tmp/camplz
Network activity:
Establishes connection:
  • 11#.###.166.57:10993
Other:
Collects CPU information
Collects RAM information
Collects information about network activity

Curing recommendations


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