mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-19 12:34:33 +00:00
135 lines
3.4 KiB
SQL
135 lines
3.4 KiB
SQL
-- Find processes running that are tied to binaries with unsual permissions. Namely, 0777.
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--
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-- references:
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-- * https://attack.mitre.org/techniques/T1222/
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--
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-- false positives:
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-- * poorly written software
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--
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-- platform: posix
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-- tags: persistent filesystem state
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SELECT
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f.mode,
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f.uid,
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f.gid,
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f.ctime,
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-- Child
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p0.pid AS p0_pid,
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p0.path AS p0_path,
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p0.name AS p0_name,
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p0.cmdline AS p0_cmd,
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p0.cwd AS p0_cwd,
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p0.cgroup_path AS p0_cgroup,
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p0.euid AS p0_euid,
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p0_hash.sha256 AS p0_sha256,
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-- Parent
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p0.parent AS p1_pid,
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p1.path AS p1_path,
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p1.name AS p1_name,
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p1.euid AS p1_euid,
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p1.cmdline AS p1_cmd,
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p1_hash.sha256 AS p1_sha256,
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-- Grandparent
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p1.parent AS p2_pid,
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p2.name AS p2_name,
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p2.path AS p2_path,
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p2.cmdline AS p2_cmd,
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p2_hash.sha256 AS p2_sha256
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FROM
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processes p0
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LEFT JOIN file f ON p0.path = f.path
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LEFT JOIN hash p0_hash ON p0.path = p0_hash.path
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LEFT JOIN processes p1 ON p0.parent = p1.pid
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LEFT JOIN hash p1_hash ON p1.path = p1_hash.path
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LEFT JOIN processes p2 ON p1.parent = p2.pid
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LEFT JOIN hash p2_hash ON p2.path = p2_hash.path
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WHERE
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f.mode NOT IN (
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'0500',
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'0551',
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'0544',
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'0555',
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'0711',
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'0750',
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'0755',
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'0775',
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'0744',
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'6755',
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'0700',
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'2755',
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'4511',
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'4555',
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'4755'
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)
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-- Vendors who are very relaxed about permissions
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AND NOT (
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f.path IN (
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'/Applications/Camera Settings.app/Contents/MacOS/LogitechCamera',
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'/Applications/motionVFX/Plugins/mUtility.app/Contents/PlugIns/mUtility XPC Service.pluginkit/Contents/MacOS/mUtility XPC Service',
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'/Library/Application Support/Logitech/com.logitech.vc.LogiVCCoreService/LogiVCCoreService.app/Contents/MacOS/LogiVCCoreService'
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)
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AND f.mode = '0777'
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AND f.uid > 500
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)
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AND NOT (
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f.path LIKE '/Users/%/.local/bin/%'
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AND f.mode = '0777'
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AND f.uid > 500
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)
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AND NOT (
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f.path LIKE '/Users/%/Library/Application Support/Code/User/globalStorage/grafana.vscode-jsonnet/bin/jsonnet-language-server'
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AND f.mode = '0777'
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AND f.uid > 500
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)
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AND NOT (
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f.path LIKE '/Users/%/.vscode/extensions/sumneko.lua-%-darwin-arm64/server/bin/lua-language-server'
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AND f.mode = '0777'
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AND f.uid > 500
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)
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AND NOT (
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f.path LIKE '/Users/%/Library/Application Support/Zwift/ZwiftAppMetal'
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AND f.mode = '0777'
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AND f.uid > 500
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)
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AND NOT (
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f.path = '/usr/bin/sudo'
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AND f.mode = '4111'
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AND f.uid = 0
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)
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AND NOT (
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f.path LIKE '/home/%/.local/share/JetBrains/Toolbox/bin/jetbrains-toolbox'
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AND f.mode = '0744'
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)
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AND NOT (
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f.path LIKE '/Users/%/Applications (Parallels)/%.app/Contents/MacOS/WinAppHelper'
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AND f.mode = '0777'
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)
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AND NOT (
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f.path LIKE '/opt/homebrew/Cellar/socket_vmnet/%/bin/socket_vmnet'
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AND f.mode = '1555'
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)
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AND NOT (
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f.path LIKE '/opt/homebrew/Cellar/dnsmasq/%/sbin/dnsmasq'
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AND f.mode = '1555'
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)
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AND NOT (
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f.path LIKE '/Users/%/Library/Application Support/com.raycast.macos/NodeJS/runtime/%/bin/node'
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AND f.mode = '0754'
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)
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AND NOT (
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f.path LIKE '%/Elastic/Agent/data/elastic-agent%/elastic-agent'
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AND f.mode = '0770'
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)
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AND NOT (
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f.path = '/Library/Bitdefender/AVP/product/bin/EndpointSecurityforMac.app/Contents/MacOS/EndpointSecurityforMac'
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AND f.mode = '0655'
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)
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AND NOT (
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p0.name = 'ShortcutDroplet'
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AND f.mode = '0751'
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)
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AND NOT (
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f.path = '/home/%/.local/share/AppImage/ZenBrowser.AppImage'
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AND f.mode = '0600'
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)
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