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Linux.Siggen.4257
Added to the Dr.Web virus database:
2021-11-03
Virus description added:
2021-11-03
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
Manages services:
systemctl enable --now libexecs
Launches processes:
sh -c whoami
whoami
sh -c echo $HOM
sh -c which crontab
which crontab
sh -c crontab -l 2>&1
crontab -l
sh -c crontab /tmp/CN3X5e0rNfOsH
crontab /tmp/CN3X5e0rNfOsH
sh -c which systemctl
which systemctl
sh -c systemctl enable --now libexecs 2>&1
/bin/libexecs (null
sh -c cat /etc/machine-id 2>/dev/null
cat /etc/machine-id
Performs operations with the file system:
Modifies file access rights:
/var/spool/cron/crontabs/tmp.7OL3gB
Creates or modifies files:
/bin/libexecs
/tmp/CN3X5e0rNfOsH
/var/spool/cron/crontabs/tmp.7OL3gB
/lib/systemd/system/multi-user.target.wants/libexecs.service
/lib/systemd/system/libexecs.service
/etc/systemd/system/multi-user.target.wants/libexecs.service
/etc/systemd/system/libexecs.service
Deletes files:
Network activity:
DNS ASK:
2.##################-sme.4af1f833219a43f8b7b95071c25e58ab.0.124.getTasks
Curing recommendations
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