Defense Evasion (TA0005)(external, opens in a new tab or window)
endpoint(external, opens in a new tab or window)
sentinel_one_cloud_funnel(external, opens in a new tab or window)
text code block:host.os.type:linux and event.category:file and event.type:creation and ( process.name:("cp" or "mv") or process.executable:( ./* or /tmp/* or /var/tmp/* or /dev/shm/* or /run/user/* or /var/run/user/* or /boot/* or /sys/* or /lost+found/* or /proc/* or /var/mail/* or /var/www/* ) ) and file.path:(/run/* or /var/run/* or /dev/shm/* or /tmp/* or /var/tmp/*) and not ( file.path:( /var/tmp/dracut.* or /var/tmp/mkinitramfs_* or /tmp/.*-00000000.so or /run/udev/rules.d/* or /tmp/new_root/* or /tmp/newroot/* or /run/user/*/.bubblewrap/newroot/* or /tmp/tmp.*/docker-scout_* or /var/tmp/portage/* or /tmp/yarn--* or /run/k3s/containerd/* or /var/tmp/pamac-build-* or /tmp/mkinitcpio* or /run/user/*/netns/netns-* or /tmp/apt-key* or /tmp/tmp.*/pubring.orig.gpg or /tmp/CVU_19_* or /tmp/ut-backup-files.* or /tmp/tmp.*/terraform/* ) or file.extension:("json" or "txt") or process.executable:( /tmp/par-* or /tmp/snap.rootfs_* or /tmp/CVU_*/exectask or /tmp/.mount_*/usr/bin/QGroundControl or ./snap/snapd/*/usr/lib/snapd/snap-update-ns or "./usr/lib/snapd/snap-update-ns" or "/tmp/newroot/snap/snapd/current/usr/bin/snap" or /tmp/newroot/snap/snapd/*/usr/lib/snapd/snap-confine or "./usr/bin/podman" or "/tmp/newroot/usr/lib/systemd/systemd" ) )
Install detection rules in Elastic Security
Detect File Creation in World-Writable Directory by Unusual Process in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).