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Linux.Siggen.7009
Added to the Dr.Web virus database:
2024-04-15
Virus description added:
2024-04-15
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/etc/profile.d/bash.cfg
/etc/profile.d/bash.cfg.sh
/etc/crontab
/etc/init.d/apparmor
/etc/init.d/console-setup.sh
/etc/init.d/cron
/etc/init.d/dbus
/etc/init.d/hwclock.sh
/etc/init.d/keyboard-setup.sh
/etc/init.d/kmod
/etc/init.d/networking
/etc/init.d/procps
/etc/init.d/qemu-guest-agent
/etc/init.d/rsyslog
/etc/init.d/ssh
/etc/init.d/sudo
/etc/init.d/udev
/etc/init.d/dns-udp4
/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:
Manages services:
['systemctl', 'daemon-reload']
['systemctl', 'enable', 'quotaon.service']
['systemctl', 'start', 'quotaon.service']
Launches processes:
/bin/sh /usr/sbin/service cron start
/bin/bash -c cd /boot;systemctl daemon-reload;systemctl enable quotaon.service;systemctl start quotaon.service;journalctl -xe --no-pager
journalctl -xe --no-pager
basename /usr/sbin/service
<SAMPLE_FULL_PATH> \x0a
/bin/bash -c cd /boot;ausearch -c \x27system.pub\x27 --raw | audit2allow -M my-Systemmod;semodule -X 300 -i my-Systemmod.pp
/bin/bash -c echo \x22*/1 * * * * root /.mod \x22 >> /etc/crontab
/usr/bin/perl /usr/sbin/update-rc.d dns-udp4 defaults
mount -o bind /tmp/ /proc/540
Performs operations with the file system:
Modifies file access rights:
/boot/system.pub
/etc/profile.d/bash.cfg
/usr/lib/libgdi.so.0.8.2
/usr/lib/system.mark
Creates or modifies files:
/etc/.ffff4444
/etc/.cfg
/boot/system.pub
/usr/lib/libgdi.so.0.8.2
/.mod
/usr/lib/system.mark
Deletes files:
Mounts file systems:
Changes time of creation/access/modification of files:
<SAMPLE_FULL_PATH>
/boot/system.pub
/etc/profile.d/bash.cfg
/usr/lib/libgdi.so.0.8.2
/lib/system.mark
/etc/init.d/apparmor
/etc/init.d/console-setup.sh
/etc/init.d/cron
/etc/init.d/dbus
/etc/init.d/hwclock.sh
/etc/init.d/keyboard-setup.sh
/etc/init.d/kmod
/etc/init.d/networking
/etc/init.d/procps
/etc/init.d/qemu-guest-agent
/etc/init.d/rsyslog
/etc/init.d/ssh
/etc/init.d/sudo
/etc/init.d/udev
Curing recommendations
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