mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-12 00:54:37 +00:00
70 lines
1.6 KiB
SQL
70 lines
1.6 KiB
SQL
-- Find processes running that are tied to binaries with unsual permissions. Namely, 0777.
|
|
--
|
|
-- references:
|
|
-- * https://attack.mitre.org/techniques/T1222/
|
|
--
|
|
-- false positives:
|
|
-- * poorly written software
|
|
--
|
|
-- platform: posix
|
|
-- tags: persistent filesystem state
|
|
SELECT
|
|
p.pid,
|
|
p.name,
|
|
p.path,
|
|
f.mode,
|
|
f.uid,
|
|
f.gid,
|
|
hash.sha256,
|
|
pp.name AS parent_name,
|
|
pp.path AS parent_path,
|
|
pp.cmdline AS parent_cmd,
|
|
hash.sha256 AS parent_sha256
|
|
FROM
|
|
processes p
|
|
JOIN file f ON p.path = f.path
|
|
LEFT JOIN hash ON p.path = hash.path
|
|
LEFT JOIN processes pp ON pp.pid = p.parent
|
|
WHERE
|
|
f.mode NOT IN (
|
|
'0500',
|
|
'0544',
|
|
'0555',
|
|
'0711',
|
|
'0755',
|
|
'0775',
|
|
'6755',
|
|
'0700',
|
|
'2755',
|
|
'4511',
|
|
'4555',
|
|
'4755'
|
|
)
|
|
-- Vendors who are very relaxed about permissions
|
|
AND NOT (
|
|
f.path IN (
|
|
'/Library/Application Support/Logitech/com.logitech.vc.LogiVCCoreService/LogiVCCoreService.app/Contents/MacOS/LogiVCCoreService',
|
|
'/Applications/Camera Settings.app/Contents/MacOS/LogitechCamera'
|
|
)
|
|
AND f.mode = '0777'
|
|
AND f.uid > 500
|
|
)
|
|
AND NOT (
|
|
f.path LIKE '/Users/%/Library/Application Support/Code/User/globalStorage/grafana.vscode-jsonnet/bin/jsonnet-language-server'
|
|
AND f.mode = '0777'
|
|
AND f.uid > 500
|
|
)
|
|
AND NOT (
|
|
f.path = '/usr/bin/sudo'
|
|
AND f.mode = '4111'
|
|
AND f.uid = 0
|
|
)
|
|
AND NOT (
|
|
f.path LIKE '/home/%/.local/share/JetBrains/Toolbox/bin/jetbrains-toolbox'
|
|
AND f.mode = '0744'
|
|
)
|
|
AND NOT (
|
|
f.path LIKE '/Users/%/Applications (Parallels)/%.app/Contents/MacOS/WinAppHelper'
|
|
AND f.mode = '0777'
|
|
)
|