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Linux.Siggen.7733

Added to the Dr.Web virus database: 2024-07-03

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/rc.local
  • /etc/profile.d/bash.cfg
  • /etc/profile.d/bash.cfg.sh
  • /etc/crontab
  • /etc/init.d/bootlogs
  • /etc/init.d/bootmisc.sh
  • /etc/init.d/checkfs.sh
  • /etc/init.d/checkroot.sh
  • /etc/init.d/console-setup
  • /etc/init.d/cron
  • /etc/init.d/dbus
  • /etc/init.d/exim4
  • /etc/init.d/halt
  • /etc/init.d/hostname.sh
  • /etc/init.d/hwclock.sh
  • /etc/init.d/kbd
  • /etc/init.d/keyboard-setup
  • /etc/init.d/killprocs
  • /etc/init.d/kmod
  • /etc/init.d/motd
  • /etc/init.d/mountall.sh
  • /etc/init.d/mountdevsubfs.sh
  • /etc/init.d/mountkernfs.sh
  • /etc/init.d/mountnfs.sh
  • /etc/init.d/networking
  • /etc/init.d/nfs-common
  • /etc/init.d/procps
  • /etc/init.d/rc
  • /etc/init.d/rc.local
  • /etc/init.d/rmnologin
  • /etc/init.d/rpcbind
  • /etc/init.d/rsyslog
  • /etc/init.d/sendsigs
  • /etc/init.d/skeleton
  • /etc/init.d/ssh
  • /etc/init.d/sudo
  • /etc/init.d/udev
  • /etc/init.d/umountfs
  • /etc/init.d/umountnfs.sh
  • /etc/init.d/urandom
  • /etc/init.d/dns-udp4
  • /etc/init.d/.depend.boot
  • /etc/init.d/.depend.start
  • /etc/init.d/.depend.stop
  • /etc/profile.d/gateway.sh
Creates or modifies the following symlinks:
  • /etc/rc2.d/S01dns-udp4
  • /etc/rc3.d/S01dns-udp4
  • /etc/rc4.d/S01dns-udp4
  • /etc/rc5.d/S01dns-udp4
Malicious functions:
Launches itself as a daemon
Manages services:
  • ['systemctl', 'daemon-reload']
  • ['systemctl', '-p', 'Triggers', 'show', 'dbus.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'ssh.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'syslog.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'systemd-initctl.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'systemd-journald-dev-log.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'systemd-journald.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'systemd-shutdownd.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'systemd-udevd-control.socket']
  • ['systemctl', '-p', 'Triggers', 'show', 'systemd-udevd-kernel.socket']
  • ['systemctl', 'start', 'cron.service']
  • ['systemctl', 'start', 'crond.service']
Launches processes:
  • <SAMPLE_FULL_PATH> \x0a
  • /usr/bin/perl /usr/sbin/update-rc.d dns-udp4 defaults
  • /sbin/insserv dns-udp4
  • /bin/sh /usr/sbin/service cron start
  • basename /usr/sbin/service
  • /bin/bash -c echo \x22*/1 * * * * root /.mod \x22 >> /etc/crontab
  • mount -o bind /tmp/ /proc/829
Performs operations with the file system:
Modifies file access rights:
  • /etc/rc.local
  • /usr/sbin/netstat.cfg
  • /boot/system.pub
  • /etc/profile.d/bash.cfg
  • /usr/lib/libgdi.so.0.8.2
  • /lib/system.mark
Creates or modifies files:
  • /etc/.ffff4444
  • /etc/.cfg
  • /usr/sbin/netstat.cfg
  • /boot/system.pub
  • /usr/lib/libgdi.so.0.8.2
  • /.mod
  • /lib/system.mark
  • /run/mount/utab
  • /dev/watchdog
  • /dev/misc/watchdog
Deletes files:
  • /etc/.ffff4444
Mounts file systems:
  • /tmp
Changes time of creation/access/modification of files:
  • <SAMPLE_FULL_PATH>
  • /etc/rc.local
  • /usr/sbin/netstat.cfg
  • /boot/system.pub
  • /etc/profile.d/bash.cfg
  • /usr/lib/libgdi.so.0.8.2
  • /lib/system.mark
  • /etc/init.d/bootlogs
  • /etc/init.d/bootmisc.sh
  • /etc/init.d/checkfs.sh
  • /etc/init.d/checkroot.sh
  • /etc/init.d/console-setup
  • /etc/init.d/cron
  • /etc/init.d/dbus
  • /etc/init.d/exim4
  • /etc/init.d/halt
  • /etc/init.d/hostname.sh
  • /etc/init.d/hwclock.sh
  • /etc/init.d/kbd
  • /etc/init.d/keyboard-setup
  • /etc/init.d/killprocs
  • /etc/init.d/kmod
  • /etc/init.d/motd
  • /etc/init.d/mountall.sh
  • /etc/init.d/mountdevsubfs.sh
  • /etc/init.d/mountkernfs.sh
  • /etc/init.d/mountnfs.sh
  • /etc/init.d/networking
  • /etc/init.d/nfs-common
  • /etc/init.d/procps
  • /etc/init.d/rc
  • /etc/init.d/rc.local
  • /etc/init.d/rmnologin
  • /etc/init.d/rpcbind
  • /etc/init.d/rsyslog
  • /etc/init.d/sendsigs
  • /etc/init.d/skeleton
  • /etc/init.d/ssh
  • /etc/init.d/sudo
  • /etc/init.d/udev
  • /etc/init.d/umountfs
  • /etc/init.d/umountnfs.sh
  • /etc/init.d/urandom
Network activity:
Establishes connection:
  • 8.#.8.8:53
  • 20#.##1.53.247:7788
Sends data to the following servers:
  • 8.#.8.8:53
Receives data from the following servers:
  • 8.#.8.8:53
Other:
Collects RAM information

Curing recommendations

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