osquery-defense-kit/detection/execution/unexpected-gatekeeper-appro...

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SQL

-- Gatekeeper exceptions are exceptions for downloaded binaries
--
-- references:
-- * https://posts.specterops.io/hunting-for-bad-apples-part-2-6f2d01b1f7d3
--
-- false positives:
-- * developers downloading binaries from Github
--
-- platform: darwin
-- tags: persistent filesystem state gatekeeper
SELECT
gap.ctime,
gap.mtime,
gap.path,
file.mtime,
file.uid,
file.ctime,
file.gid,
hash.sha256,
signature.identifier,
signature.authority
FROM
gatekeeper_approved_apps AS gap
LEFT JOIN file ON gap.path = file.path
LEFT JOIN hash ON gap.path = hash.path
LEFT JOIN signature ON gap.path = signature.path
WHERE
gap.path NOT LIKE '/Users/%/bin/%'
AND gap.path NOT LIKE '/Users/%/rekor-cli'
AND gap.path NOT LIKE '/Users/%/cosign-%'
AND gap.path NOT LIKE '/usr/local/bin/%'
AND gap.path NOT LIKE '/Users/%/%-darwin-amd64'
AND gap.path NOT LIKE '/Users/%/%-darwin-arm64'
AND gap.path NOT LIKE '/Users/%/configure'
AND gap.path NOT LIKE '/Users/%/trivy'
GROUP BY
gap.requirement