osquery-defense-kit/detection/evasion/old-binaries-running.sql

93 lines
3.7 KiB
SQL

-- Alert on programs running that are unusually old
--
-- false positive:
-- * legimitely ancient programs. For instance, printer drivers.
--
-- references:
-- * https://attack.mitre.org/techniques/T1070/006/ (Indicator Removal on Host: Timestomp)
--
-- tags: transient process state
SELECT
p.path,
p.cmdline,
p.cwd,
p.pid,
p.name,
f.mtime,
f.ctime,
p.cgroup_path,
((strftime('%s', 'now') - f.ctime) / 86400) AS ctime_age_days,
((strftime('%s', 'now') - f.mtime) / 86400) AS mtime_age_days,
((strftime('%s', 'now') - f.btime) / 86400) AS btime_age_days,
h.sha256,
f.uid,
m.data,
f.gid
FROM
processes p
LEFT JOIN file f ON p.path = f.path
LEFT JOIN hash h ON p.path = h.path
LEFT JOIN magic m ON p.path = m.path
WHERE
(
ctime_age_days > 1050
OR mtime_age_days > 1050
)
-- Jan 1st, 1980 (the source of many false positives)
AND f.mtime > 315561600
AND f.path NOT LIKE '/home/%/idea-IU-223.8214.52/%'
AND f.directory NOT LIKE '/Applications/%.app/Contents/MacOS'
AND f.directory NOT LIKE '/Applications/%.app/Contents/Frameworks/%/Resources'
AND f.directory NOT LIKE '/opt/homebrew/Cellar/%/bin'
AND f.path NOT IN (
'/Applications/Gitter.app/Contents/Library/LoginItems/GitterHelperApp.app/Contents/MacOS/GitterHelperApp',
'/Applications/Pandora.app/Contents/Frameworks/Electron Framework.framework/Versions/A/Resources/crashpad_handler',
'/Applications/Skitch.app/Contents/Library/LoginItems/J8RPQ294UB.com.skitch.SkitchHelper.app/Contents/MacOS/J8RPQ294UB.com.skitch.SkitchHelper',
'/Library/Application Support/Logitech/com.logitech.vc.LogiVCCoreService/LogiVCCoreService.app/Contents/MacOS/LogiVCCoreService',
'/Library/Printers/Brother/Utilities/BrStatusMonitor.app/Contents/MacOS/BrStatusMonitor',
'/Library/Application Support/Razer/RzUpdater.app/Contents/MacOS/RzUpdater',
'/Library/Application Support/LogiFacecam.bundle/Contents/MacOS/LogiFacecamService',
'/Library/Printers/Brother/Utilities/Server/LOGINserver.app/Contents/MacOS/LOGINserver',
'/Library/Printers/Brother/Filter/rastertobrother2300.bundle/Contents/MacOS/rastertobrother2300',
'/Applications/Vimari.app/Contents/PlugIns/Vimari Extension.appex/Contents/MacOS/Vimari Extension',
'/Library/Printers/Brother/Utilities/Server/NETserver.app/Contents/MacOS/NETserver',
'/Library/Printers/Brother/Utilities/Server/USBAppControl.app/Contents/MacOS/USBAppControl',
'/Library/Application Support/EPSON/Scanner/ScannerMonitor/Epson Scanner Monitor.app/Contents/MacOS/Epson Scanner Monitor',
'/Library/Printers/Brother/Utilities/Server/USBserver.app/Contents/MacOS/USBserver',
'/Library/Printers/Brother/Utilities/Server/WorkflowAppControl.app/Contents/MacOS/WorkflowAppControl',
'/snap/brackets/138/opt/brackets/Brackets',
'/snap/brackets/138/opt/brackets/Brackets-node',
'/usr/bin/i3blocks',
'/usr/bin/sshfs',
'/usr/bin/mono-sgen',
'/usr/bin/xclip',
'/usr/bin/xsel',
'/usr/bin/pavucontrol',
'/usr/bin/espeak',
'/usr/bin/unpigz',
'/usr/bin/xsettingsd',
'/usr/bin/xss-lock',
'/usr/bin/i3lock',
'/usr/bin/xbindkeys',
'/usr/local/bin/dive'
)
AND p.name NOT IN (
'buildkitd',
'Flycut',
'kail',
'Vimari Extension',
'Android File Transfer Agent',
'BluejeansHelper',
'J8RPQ294UB.com.skitch.SkitchHelper',
'Pandora',
'Pandora Helper',
'dlv'
)
AND f.path NOT LIKE '/private/var/folders/%/T/AppTranslocation/%/d/Skitch.app/Contents/MacOS/Skitch'
AND p.cgroup_path NOT LIKE '/user.slice/user-%.slice/user@%.service/user.slice/podman-%'
AND p.cgroup_path NOT LIKE '/system.slice/docker-%'
AND p.cgroup_path NOT LIKE '/user.slice/user-%.slice/user@%.service/user.slice/nerdctl-%'
GROUP BY
p.pid,
p.path