73 lines
2.6 KiB
SQL
73 lines
2.6 KiB
SQL
-- Alert on programs running that are unusually old
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--
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-- false positive:
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-- * legimitely ancient programs. For instance, printer drivers.
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--
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-- references:
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-- * https://attack.mitre.org/techniques/T1070/006/ (Indicator Removal on Host: Timestomp)
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--
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-- tags: transient process state
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SELECT
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p.path,
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p.cmdline,
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p.cwd,
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p.pid,
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p.name,
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f.mtime,
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f.ctime,
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p.cgroup_path,
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((strftime('%s', 'now') - f.ctime) / 86400) AS ctime_age_days,
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((strftime('%s', 'now') - f.mtime) / 86400) AS mtime_age_days,
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((strftime('%s', 'now') - f.btime) / 86400) AS btime_age_days,
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h.sha256,
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f.uid,
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m.data,
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f.gid
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FROM
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processes p
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LEFT JOIN file f ON p.path = f.path
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LEFT JOIN hash h ON p.path = h.path
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LEFT JOIN magic m ON p.path = m.path
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WHERE
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(
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ctime_age_days > 1050
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OR mtime_age_days > 1050
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)
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-- Jan 1st, 1980 (the source of many false positives)
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AND f.mtime > 315561600
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AND f.path NOT LIKE '/home/%/idea-IU-223.8214.52/%'
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AND f.directory NOT LIKE '/Applications/%.app/Contents/MacOS'
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AND f.directory NOT LIKE '/Applications/%.app/Contents/Frameworks/%/Resources'
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AND f.directory NOT LIKE '/opt/homebrew/Cellar/%/bin'
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AND f.path NOT IN (
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'/Applications/Gitter.app/Contents/Library/LoginItems/GitterHelperApp.app/Contents/MacOS/GitterHelperApp',
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'/Applications/Pandora.app/Contents/Frameworks/Electron Framework.framework/Versions/A/Resources/crashpad_handler',
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'/Applications/Skitch.app/Contents/Library/LoginItems/J8RPQ294UB.com.skitch.SkitchHelper.app/Contents/MacOS/J8RPQ294UB.com.skitch.SkitchHelper',
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'/Library/Application Support/Logitech/com.logitech.vc.LogiVCCoreService/LogiVCCoreService.app/Contents/MacOS/LogiVCCoreService',
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'/Library/Printers/Brother/Utilities/Server/LOGINserver.app/Contents/MacOS/LOGINserver',
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'/Library/Printers/Brother/Utilities/Server/NETserver.app/Contents/MacOS/NETserver',
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'/Library/Printers/Brother/Utilities/Server/USBAppControl.app/Contents/MacOS/USBAppControl',
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'/Library/Printers/Brother/Utilities/Server/USBserver.app/Contents/MacOS/USBserver',
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'/Library/Printers/Brother/Utilities/Server/WorkflowAppControl.app/Contents/MacOS/WorkflowAppControl',
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'/snap/brackets/138/opt/brackets/Brackets',
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'/snap/brackets/138/opt/brackets/Brackets-node',
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'/usr/bin/i3blocks',
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'/usr/bin/sshfs',
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'/usr/bin/xss-lock'
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)
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AND p.name NOT IN (
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'buildkitd',
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'kail',
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'kail',
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'BluejeansHelper',
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'J8RPQ294UB.com.skitch.SkitchHelper',
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'Pandora',
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'Pandora Helper',
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'dlv'
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)
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AND p.cgroup_path NOT LIKE '/system.slice/docker-%'
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AND p.cgroup_path NOT LIKE '/user.slice/user-%.slice/user@%.service/user.slice/nerdctl-%'
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GROUP BY
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p.pid,
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p.path
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