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Linux.Siggen.3412
Added to the Dr.Web virus database:
2020-11-19
Virus description added:
2020-11-18
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/etc/profile.d/bash_config
/etc/rc.local
/etc/profile.d/linux.sh
/etc/profile.d/bash_config.sh
/etc/init.d/cron
/etc/init.d/ssh
/etc/init.d/udev
/etc/init.d/linux_kill
/etc/crontab
/etc/init.d/.depend.boot
/etc/init.d/.depend.start
/etc/init.d/.depend.stop
Creates or modifies the following symlinks:
/etc/rc0.d/linux_kill
/etc/rc1.d/linux_kill
/etc/rc2.d/linux_kill
/etc/rc3.d/linux_kill
/etc/rc4.d/linux_kill
/etc/rc5.d/linux_kill
/etc/rc6.d/linux_kill
/etc/rc2.d/S01linux_kill
/etc/rc3.d/S01linux_kill
/etc/rc4.d/S01linux_kill
/etc/rc5.d/S01linux_kill
Malicious functions:
Replaces the following system files:
Manages services:
update-rc.d linux_kill defaults
systemctl daemon-reload
systemctl enable linux.service
Launches processes:
/bin/bash -c chmod 0755 /etc/32679
chmod 0755 /etc/32679
/etc/32679
<SAMPLE_FULL_PATH>
sleep 30
/bin/bash -c echo \"#!/bin/sh\" > /etc/profile.d/linux.sh
/bin/bash -c
uname -r
/bin/bash -c echo -e \"#!/bin/sh\n/usr/lib/libdlrpcld.so\" > /.img
uname -m
/bin/bash -c echo -e \"#!/bin/sh\n BEGIN INIT INFO\n#chkconfig: 2345 10 90\n#description:System.img.config\n# Default-Start: 2 3 4 5\n# Default-Stop: \n END INIT INFO\n/boot/System.img.config\nexit 0\" > /etc/init.d/linux_kill;chmod +x /etc/init.d/linux_kill
/bin/bash -c echo \"* * * * * root /.img \" >> /etc/crontab
chmod +x /etc/init.d/linux_kill
/bin/bash -c chmod 0755 /.img
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc0.d/linux_kill
chmod 0755 /.img
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc0.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc0.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc0.d/linux_kill
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc1.d/linux_kill
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc1.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc1.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc1.d/linux_kill
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc2.d/linux_kill
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc2.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc2.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc2.d/linux_kill
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc3.d/linux_kill
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc3.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc3.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc3.d/linux_kill
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc4.d/linux_kill
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc4.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc4.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc4.d/linux_kill
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc5.d/linux_kill
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc5.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc5.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc5.d/linux_kill
/bin/bash -c ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc6.d/linux_kill
ln -s /etc/rc.d/init.d/linux_kill /etc/rc.d/rc6.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rc6.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rc6.d/linux_kill
/bin/bash -c ln -s /etc/init.d/linux_kill /etc/rcS.d/linux_kill
ln -s /etc/init.d/linux_kill /etc/rcS.d/linux_kill
/bin/bash -c update-rc.d linux_kill defaults;chkconfig --add linux_kill
/sbin/insserv linux_kill
/bin/bash -c echo -e \"[Unit]\nDescription=\n[Service]\nType=forking\nExecStart=/boot/System.img.config\nExecReload=/boot/System.img.config\nExecStop=/boot/System.img.config\n[Install]\nWantedBy=multi-user.target\" > /etc/systemd/system/linux.service;chmod +x /etc/systemd/system/linux.service;systemctl enable linux.service
chmod +x /etc/systemd/system/linux.service
Performs operations with the file system:
Modifies file access rights:
/etc/32679
/etc/init.d/linux_kill
/.img
/etc/systemd/system/linux.service
Creates folders:
Creates symlinks:
Creates or modifies files:
/etc/id.services.conf
/etc/32679
/boot/System.img.config
/usr/lib/libdlrpcld.so
/usr/bin/find
/lib/system-monitor
/usr/sbin/ifconfig.conf
/usr/bin/lsof
/.img
/etc/systemd/system/linux.service
Locks files:
Network activity:
Establishes connection:
8.#.8.8:53
17#.###.150.166:3377
Attacks using a special dictionary (brute-force technique) via the SSH protocol
DNS ASK:
Sends data to the following servers:
Receives data from the following servers:
Recommandations pour le traitement
Linux
Version démo gratuite
Pour 1 mois (sans enregistrement) ou 3 mois (avec enregistrement et remise pour le renouvellement)
Téléchargez Dr.Web pour Android
Gratuit pour 3 mois
Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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