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

56 lines
1.5 KiB
SQL

SELECT
p.pid,
p.path,
p.name,
p.parent,
p.state,
p.cwd,
p.gid,
p.uid,
p.euid,
p.cmdline AS cmd,
p.cwd,
p.on_disk,
p.state,
pp.on_disk AS parent_on_disk,
pp.path AS parent_path,
pp.cmdline AS parent_cmd,
pp.cwd AS parent_cwd,
hash.sha256 AS parent_sha256
FROM
processes p
LEFT JOIN processes pp ON p.parent = pp.pid
LEFT JOIN hash ON pp.path = hash.path
WHERE
p.on_disk != 1
-- false positives from recently spawned processes
AND (strftime("%s", "now") - p.start_time) > 15
AND p.pid > 0
AND p.parent != 2
-- kthreadd
AND p.state != "Z"
-- The kernel no longer has enough tracking information for this alert to be useful
AND NOT (
p.parent = 1 AND p.path = ""
)
AND NOT (
p.gid = 20
AND (
-- NOTE: p.path is typically empty when on_disk != 1, so don"t depend on it.
cmd LIKE "/Library/Apple/System/%"
OR cmd LIKE "/Applications/%/Contents/%"
OR cmd LIKE "/Library/Apple/System/%"
OR cmd LIKE "/Library/Application Support/Logitech.localized/%"
OR cmd LIKE "/Library/Developer/CommandLineTools/%"
OR cmd LIKE "/opt/homebrew/Cellar/%"
OR cmd LIKE "/opt/homebrew/opt/%"
OR cmd LIKE "/private/var/folders/%/Visual Studio Code.app/Contents/%"
OR cmd LIKE "/Users/%/homebrew/opt/mysql/bin/%"
-- Sometimes cmd is empty also :(
OR parent_cmd LIKE "/Applications/Google Chrome.app/%"
)
)
AND NOT (
p.name = ""
AND parent_cmd = "/Applications/Firefox Developer Edition.app/Contents/MacOS/firefox -foreground"
)