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Linux.Siggen.6731
Added to the Dr.Web virus database:
2024-03-14
Virus description added:
2024-03-14
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/etc/init.d/dnsconfig
/etc/rc.d/init.d/dnsconfigs
/var/spool/cron/crontabs/root
Creates or modifies the following symlinks:
/etc/rc0.d/S99dnsconfig
/etc/rc1.d/S99dnsconfig
/etc/rc2.d/S99dnsconfig
/etc/rc3.d/S99dnsconfig
/etc/rc4.d/S99dnsconfig
/etc/rc5.d/S99dnsconfig
/etc/rc6.d/S99dnsconfig
/etc/rc0.d/S99dnsconfigs
/etc/rc1.d/S99dnsconfigs
/etc/rc2.d/S99dnsconfigs
/etc/rc3.d/S99dnsconfigs
/etc/rc4.d/S99dnsconfigs
/etc/rc5.d/S99dnsconfigs
/etc/rc6.d/S99dnsconfigs
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
Manages services:
['systemctl', 'daemon-reload']
['systemctl', 'enable', 'dnsconfigs.service']
['systemctl', 'start', 'dnsconfigs.service']
Launches processes:
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc1.d/S99dnsconfigs
ln -sf /etc/init.d/dnsconfig /etc/rc2.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc4.d/S99dnsconfigs > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc3.d/S99dnsconfigs
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc3.d/S99dnsconfigs > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc0.d/S99dnsconfig
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc4.d/S99dnsconfigs
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc2.d/S99dnsconfigs
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc.d/S99dnsconfigs > /dev/null 2>&1
systemctl start dnsconfigs.service > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rcS.d/S99dnsconfig
ln -sf /etc/init.d/dnsconfig /etc/rcS.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc6.d/S99dnsconfigs > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc5.d/S99dnsconfig
ln -sf /etc/init.d/dnsconfig /etc/rc6.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc6.d/S99dnsconfigs
ln -sf /etc/init.d/dnsconfig /etc/rc1.d/S99dnsconfig
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc2.d/S99dnsconfigs > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc0.d/S99dnsconfigs > /dev/null 2>&1
crontab /var/tmp/.recoverys
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc1.d/S99dnsconfigs > /dev/null 2>&1
mount -o bind /tmp/nginx_server /proc/731/ > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc5.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc.d/S99dnsconfigs
ln -sf /etc/init.d/dnsconfig /etc/rc4.d/S99dnsconfig
systemctl enable dnsconfigs.service > /dev/null 2>&1
mount -o bind /tmp/nginx_server /proc/724/
ln -sf /etc/init.d/dnsconfig /etc/rc.d/S99dnsconfig
mount -o bind /tmp/nginx_server /proc/731/
ln -sf /etc/init.d/dnsconfig /etc/rc2.d/S99dnsconfig
cp -f <SAMPLE_FULL_PATH> /var/tmp/nginx_kel
mount -o bind /tmp/nginx_server /proc/724/ > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc1.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc5.d/S99dnsconfigs > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc3.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc6.d/S99dnsconfig
ln -sf /etc/init.d/dnsconfig /etc/rc0.d/S99dnsconfig > /dev/null 2>&1
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc0.d/S99dnsconfigs
ln -sf /etc/rc.d/init.d/dnsconfigs /etc/rc5.d/S99dnsconfigs
ln -sf /etc/init.d/dnsconfig /etc/rc4.d/S99dnsconfig > /dev/null 2>&1
systemctl daemon-reload > /dev/null 2>&1
ln -sf /etc/init.d/dnsconfig /etc/rc3.d/S99dnsconfig
Kills the following processes:
Performs operations with the file system:
Modifies file access rights:
/etc/init.d/dnsconfig
/var/spool/cron/crontabs/tmp.2t29vM
Creates folders:
Creates symlinks:
Creates or modifies files:
/var/tmp/.recoverys
/var/tmp/nginx_kel
/tmp/server_session.lock
/var/spool/cron/crontabs/tmp.2t29vM
/etc/systemd/system/dnsconfigs.service
/dev/tty
Mounts file systems:
Changes time of creation/access/modification of files:
Network activity:
Establishes connection:
8.#.8.8:53
12#.#.15.28:123
1.#.0.1:53
14#.##.12.176:24150
14#.##.12.176:17560
DNS ASK:
1a######1f.dontargetme.nl
Sends data to the following servers:
12#.#.15.28:123
14#.##.12.176:17560
Receives data from the following servers:
12#.#.15.28:123
14#.##.12.176:24150
14#.##.12.176:17560
Curing recommendations
Linux
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