54 lines
1.5 KiB
SQL
54 lines
1.5 KiB
SQL
-- Find root-run processes which link against libpcap
|
|
--
|
|
-- WARNING: This check consumes an unusual amount of system memory (up to 225MB)
|
|
--
|
|
-- references:
|
|
-- * https://attack.mitre.org/techniques/T1205/001/ (Traffic Signaling: Port Knocking)
|
|
--
|
|
-- platform: darwin
|
|
-- interval: 1200
|
|
SELECT
|
|
SELECT
|
|
pmm.pid,
|
|
p.uid,
|
|
p.gid,
|
|
pmm.path AS lib_path,
|
|
p.path AS child_path,
|
|
p.name AS child_name,
|
|
p.cmdline AS child_cmd,
|
|
p.cwd AS child_cwd,
|
|
h.sha256 AS child_sha256,
|
|
pp.path AS parent_path,
|
|
pp.name AS parent_name,
|
|
pp.cmdline AS parent_cmd,
|
|
pp.cwd AS parent_cwd,
|
|
pp.euid AS parent_euid,
|
|
ph.sha256 AS parent_sha256,
|
|
s.authority,
|
|
s.identifier
|
|
FROM
|
|
process_memory_map pmm
|
|
LEFT JOIN processes p ON pmm.pid = p.pid
|
|
LEFT JOIN hash h ON p.path = h.path
|
|
LEFT JOIN processes pp ON p.parent = pp.pid
|
|
LEFT JOIN hash AS ph ON pp.path = ph.path
|
|
LEFT JOIN signature s ON p.path = s.path
|
|
WHERE
|
|
pmm.path LIKE "%libpcap%"
|
|
AND p.euid = 0 -- These are all protected directories
|
|
AND child_path NOT LIKE "/System/%"
|
|
AND child_path NOT LIKE "/usr/libexec/%"
|
|
AND child_path NOT LIKE "/usr/sbin/%"
|
|
AND child_path NOT LIKE "/usr/bin/%"
|
|
AND child_path NOT LIKE "/nix/store/%/bin/nix"
|
|
AND child_path NOT LIKE "/opt/homebrew/Cellar/vim/%/bin/vim"
|
|
AND child_path NOT LIKE "/usr/local/kolide-k2/bin/osqueryd-updates/%/osqueryd"
|
|
AND NOT s.authority IN (
|
|
"Software Signing",
|
|
"Apple Mac OS Application Signing",
|
|
"Developer ID Application: Kolide Inc (YZ3EM74M78)",
|
|
"Developer ID Application: Docker Inc (9BNSXJN65R)"
|
|
)
|
|
GROUP BY
|
|
pmm.pid
|