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Linux.Siggen.6659
Added to the Dr.Web virus database:
2024-03-03
Virus description added:
2024-03-03
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/etc/profile.d/bash_cfg.sh
/etc/crontab
/etc/init.d/apparmor
/etc/init.d/cron
/etc/init.d/dbus
/etc/init.d/hwclock.sh
/etc/init.d/kmod
/etc/init.d/networking
/etc/init.d/procps
/etc/init.d/rsyslog
/etc/init.d/ssh
/etc/init.d/sudo
/etc/init.d/udev
/etc/profile.d/gateway.sh
Malicious functions:
Launches itself as a daemon
Manages services:
['systemctl', 'start', 'crond.service']
['systemctl', 'daemon-reload']
['systemctl', 'enable', 'quotaoff.service']
['systemctl', 'start', 'quotaoff.service']
Launches processes:
renice -20 455
/bin/bash -c cd /boot;systemctl daemon-reload;systemctl enable quotaoff.service;systemctl start quotaoff.service;journalctl -xe --no-pager
/bin/sh /usr/sbin/service crond start
/bin/bash -c cd /boot;ausearch -c \x27System.mod\x27 --raw | audit2allow -M my-Systemmod;semodule -X 300 -i my-Systemmod.pp
/bin/bash -c echo \x22*/1 * * * * root /.mod \x22 >> /etc/crontab
mount -o bind /tmp/ /proc/455
sleep 60
journalctl -xe --no-pager
/bin/bash /etc/32675
/bin/sh /usr/sbin/service cron start
<SAMPLE_FULL_PATH> \x0a
basename /usr/sbin/service
/bin/bash -c /etc/32675&
Performs operations with the file system:
Modifies file access rights:
/etc/opt.services.cfg
/etc/32675
/boot/System.mod
/etc/profile.d/bash_cfg
/usr/lib/libgdi.so.0.8.1
/usr/lib/system-mark
/usr/bin/include/ps
/usr/bin/include/ss
/usr/bin/include/ls
/usr/bin/include/dir
/usr/bin/include/find
/usr/bin/include/lsof
/usr/bin/ps
/usr/bin/ss
/usr/bin/ls
/usr/bin/dir
/usr/bin/lsof
Creates folders:
Creates or modifies files:
/etc/.walk
/etc/32675
/usr/lib/systemd/system/quotaoff.service
/.mod
Deletes files:
Locks files:
Mounts file systems:
Changes time of creation/access/modification of files:
/etc/opt.services.cfg
/boot/System.mod
/etc/profile.d/bash_cfg
/usr/lib/libgdi.so.0.8.1
/lib/system-mark
/etc/init.d/apparmor
/etc/init.d/cron
/etc/init.d/dbus
/etc/init.d/hwclock.sh
/etc/init.d/kmod
/etc/init.d/networking
/etc/init.d/procps
/etc/init.d/rsyslog
/etc/init.d/ssh
/etc/init.d/sudo
/etc/init.d/udev
<SAMPLE_FULL_PATH>
/usr/bin/include/ps
/usr/bin/include/ss
/usr/bin/include/ls
/usr/bin/include/dir
/usr/bin/include/find
/usr/bin/include/lsof
/usr/bin/ps
/usr/bin/ss
/usr/bin/ls
/usr/bin/dir
/usr/bin/lsof
Curing recommendations
Linux
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