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Linux.Siggen.5802
Added to the Dr.Web virus database:
2023-10-09
Virus description added:
2023-10-09
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', 'list-unit-files', '--full', '--type=socket']
['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
sed -ne s/\x5c.socket\x5cs*[a-z]*\x5cs*$/.socket/p
/usr/bin/perl /usr/sbin/update-rc.d dns-udp4 defaults
/bin/sh /usr/sbin/service cron start
/sbin/insserv dns-udp4
mount -o bind /tmp/ /proc/821
/bin/bash -c echo \x22*/1 * * * * root /.mod \x22 >> /etc/crontab
basename /usr/sbin/service
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:
Mounts file systems:
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:
<LOCAL_DNS_SERVER>
8.#.8.8:53
15#.##.85.42:9528
15#.##.85.42:65000
Sends data to the following servers:
<LOCAL_DNS_SERVER>
8.#.8.8:53
15#.##.85.42:9528
15#.##.85.42:65000
Receives data from the following servers:
<LOCAL_DNS_SERVER>
8.#.8.8:53
15#.##.85.42:9528
Curing recommendations
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