osquery-defense-kit/detection/persistence/unexpected-launchd-program-...

49 lines
1.6 KiB
SQL

-- Unexpected launchd scripts that use the 'program' field
--
-- references:
-- * https://attack.mitre.org/techniques/T1543/004/ (Create or Modify System Process: Launch Daemon)
--
-- false positives:
-- * Software by new vendors which have not yet been added to the allow list
--
-- tags: persistent filesystem state
-- platform: darwin
SELECT
l.label,
l.name,
l.path,
l.program,
l.program_arguments,
l.keep_alive,
signature.authority AS program_authority,
signature.identifier AS program_identifier,
hash.sha256
FROM
launchd l
LEFT JOIN signature ON l.program = signature.path
LEFT JOIN hash ON l.path = hash.path
WHERE
(
run_at_load = 1
OR keep_alive = 1
)
AND l.path NOT LIKE '/System/%'
AND program IS NOT NULL
AND program_authority NOT IN (
'Developer ID Application: Adobe Inc. (JQ525L2MZD)',
'Developer ID Application: Docker Inc (9BNSXJN65R)',
'Developer ID Application: Logitech Inc. (QED4VVPZWA)',
'Developer ID Application: Microsoft Corporation (UBF8T346G9)',
'Developer ID Application: Objective Development Software GmbH (MLZF7K7B5R)',
'Developer ID Application: Oracle America, Inc. (VB5E2TV963)',
'Developer ID Application: Valve Corporation (MXGJJ98X76)',
'Developer ID Application: Wireshark Foundation, Inc. (7Z6EMTD2C6)'
)
AND program NOT IN ('/usr/local/MacGPG2/libexec/shutdown-gpg-agent')
AND NOT (
l.path = '/Library/LaunchDaemons/com.docker.socket.plist'
AND program_authority = 'Software Signing'
AND program_identifier IN ('com.apple.ln', 'com.apple.link')
AND program_arguments LIKE '/bin/ln -s -f /Users/%/run/docker.sock /var/run/docker.sock'
)