osquery-defense-kit/process/parent-missing-from-disk.sql

38 lines
1.0 KiB
SQL

-- Parent PID is not on disk
-- Reveals boopkit if a child is spawned
SELECT p.name AS child_name,
p.pid AS child_pid,
p.path AS child_path,
p.cmdline AS child_cmd,
p.uid AS child_uid,
p.gid AS child_gid,
p.on_disk AS child_on_disk,
pp.pid AS parent_pid,
pp.name AS parent_name,
pp.path AS parent_path,
pp.cmdline AS cmd,
pp.on_disk AS parent_on_disk,
pp.uid AS parent_uid,
pp.gid AS parent_gid
FROM processes p
JOIN processes pp ON pp.pid = p.parent
WHERE parent_on_disk != 1
AND child_on_disk = 1
AND NOT child_pid IN (1,2)
AND NOT parent_pid IN (1,2) -- launchd, kthreadd
AND NOT parent_path IN (
'/opt/google/chrome/chrome',
'/usr/bin/gnome-shell'
)
-- long-running launchers
AND NOT parent_name IN (
'lightdm',
'nvim',
'gnome-shell',
'slack'
)
-- These alerts were unfortunately useless - lots of spam on macOS
AND NOT (parent_path = "" AND p.uid > 500)
AND parent_path NOT LIKE '/app/extra/%'
AND parent_path NOT LIKE '/opt/homebrew/Cellar/%'