mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-12 09:04:35 +00:00
211 lines
7.4 KiB
SQL
211 lines
7.4 KiB
SQL
-- Find programs running from strange directories on macOS
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--
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-- false positives:
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-- - Vendors who are doing weird things that are not in the signature list
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--
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-- See "execdir-events" for the version that is more likely to catch things
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--
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-- platform: darwin
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-- tags: transient seldom process filesystem state
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SELECT
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p.pid,
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p.name,
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p.path,
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p.euid,
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p.gid,
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p.cwd,
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f.ctime,
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f.directory AS dir,
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REGEX_MATCH (p.path, '(/.*?/.*?/.*?)/', 1) AS top_dir, -- 3 levels deep
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REPLACE(f.directory, u.directory, '~') AS homedir,
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REGEX_MATCH (
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REPLACE(f.directory, u.directory, '~'),
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'(~/.*?/.*?/.*?/)',
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1
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) AS top3_homedir,
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REGEX_MATCH (
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REPLACE(f.directory, u.directory, '~'),
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'(~/.*?/)',
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1
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) AS top_homedir, -- 1 level deep
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p.cmdline,
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hash.sha256,
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pp.path AS parent_path,
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pp.name AS parent_name,
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pp.cmdline AS parent_cmdline,
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pp.euid AS parent_euid,
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hash.sha256 AS parent_sha256,
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signature.identifier,
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signature.authority
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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 ON hash.path = p.path
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LEFT JOIN users u ON p.uid = u.uid
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LEFT JOIN processes pp ON p.parent = pp.pid
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LEFT JOIN signature ON p.path = signature.path
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WHERE
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dir NOT IN (
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'/bin',
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'/Library/Application Support/Logitech.localized/Logitech Options.localized/LogiMgrUpdater.app/Contents/Resources',
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'/Library/DropboxHelperTools/Dropbox_u501',
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'/Library/Filesystems/kbfuse.fs/Contents/Resources',
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'/Library/Frameworks/Python.framework/Versions/3.10/bin',
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'/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/Contents/Helpers.app/Contents/MacOS',
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'/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/Contents/Helpers/GoogleSoftwareUpdateAgent.app/Contents/MacOS',
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'/Library/Printers/DYMO/Utilities',
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'/Library/PrivilegedHelperTools',
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'/Library/TeX/texbin',
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'/nix/store',
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'/nix/var/nix/profiles/default/bin',
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'/node_modules/.bin',
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'/opt/homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/bin/gke-gcloud-auth-plugin',
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'/opt/usr/bin',
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'/opt/X11/bin',
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'/opt/X11/libexec',
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'/run/current-system/sw/bin',
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'/sbin',
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'/usr/bin',
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'/usr/lib',
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'/usr/lib/bluetooth',
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'/usr/lib/cups/notifier',
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'/usr/libexec',
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'/usr/libexec/ApplicationFirewall',
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'/usr/libexec/AssetCache',
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'/usr/libexec/firmwarecheckers',
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'/usr/libexec/firmwarecheckers/eficheck',
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'/usr/libexec/rosetta',
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'/usr/lib/fwupd',
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'/usr/lib/ibus',
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'/usr/lib/system',
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'/usr/local/bin',
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'/usr/sbin'
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)
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AND top_dir NOT IN (
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'/Applications/Firefox.app/Contents',
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'/Applications/Google Chrome.app/Contents',
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'/Library/Apple/System',
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'/Library/Application Support/Adobe',
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'/Library/Application Support/GPGTools',
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'/Library/Google/GoogleSoftwareUpdate',
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'/System/Applications/Mail.app',
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'/System/Applications/Music.app',
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'/System/Applications/News.app',
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'/System/Applications/TV.app',
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'/System/Applications/Weather.app',
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'/System/Library/CoreServices',
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'/System/Library/Filesystems',
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'/System/Library/Frameworks',
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'/System/Library/PrivateFrameworks',
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'/System/Library/SystemConfiguration',
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'/System/Library/SystemProfiler',
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'/System/Volumes/Preboot',
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'/usr/local/kolide-k2'
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)
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AND homedir NOT IN (
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'~/bin',
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'~/code/bin',
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'~/Downloads/google-cloud-sdk/bin',
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'~/Library/Application Support/dev.warp.Warp-Stable',
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'~/Library/Application Support/zoom.us/Plugins/aomhost.app/Contents/MacOS',
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'~/go/bin',
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'~/Library/Application Support/cloud-code/installer/google-cloud-sdk/bin',
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'~/.local/bin',
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'~/.magefile',
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'~/projects/go/bin'
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)
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AND top_homedir NOT IN (
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'~/Applications/',
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'~/Applications (Parallels)/',
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'~/bin/',
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'~/.cargo/',
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'~/code/',
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'~/sigstore/',
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'~/Code/',
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'~/.config/',
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'~/dev/',
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'~/git/',
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'~/go/',
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'~/google-cloud-sdk/',
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'~/homebrew/',
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'~/.kuberlr/',
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-- Abused by KeySteal
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-- '~/Library/',
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-- Abused by DazzleSpy, use a more specific place
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-- '~/.local/',
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'~/Parallels/',
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'~/proj/',
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'~/projects/',
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'~/.provisio/',
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'~/.pulumi/',
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'~/.pyenv/',
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'~/.rbenv/',
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'~/.rustup/',
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'~/src/',
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'~/.tflint.d/',
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'~/.vscode/',
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'~/.vs-kubernetes/'
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)
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AND top3_homedir NOT IN (
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'~/Library/Application Support/com.elgato.StreamDeck/',
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'~/Library/Caches/snyk/',
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'~/.terraform.d/plugin-cache/registry.terraform.io/',
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'~/Library/Application Support/Foxit Software/',
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'~/Library/Application Support/BraveSoftware/'
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)
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-- Locally built executables
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AND NOT (
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signature.identifier = "a.out"
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AND homedir LIKE '~/%'
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AND pp.name LIKE '%sh'
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)
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AND dir NOT LIKE '/Applications/%'
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AND dir NOT LIKE '/private/tmp/%.app/Contents/MacOS'
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AND dir NOT LIKE '/private/tmp/go-build%/exe'
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AND dir NOT LIKE '/private/tmp/KSInstallAction.%/Install Google Software Update.app/Contents/Helpers'
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AND dir NOT LIKE '/private/tmp/nix-build-%'
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AND dir NOT LIKE '/private/tmp/PKInstallSandbox.%/Scripts/com.microsoft.OneDrive.%'
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AND dir NOT LIKE '/private/var/db/com.apple.xpc.roleaccountd.staging/%.xpc/Contents/MacOS'
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AND dir NOT LIKE '/private/var/folders/%/bin'
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AND dir NOT LIKE '/private/var/folders/%/Contents/%'
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AND dir NOT LIKE '/private/var/folders/%/d/Wrapper/%.app'
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AND dir NOT LIKE '/private/var/folders/%/go-build%'
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AND dir NOT LIKE '/private/var/folders/%/GoLand'
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AND dir NOT LIKE '%/.terraform/providers/%'
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AND dir NOT LIKE '/Volumes/com.getdropbox.dropbox-%'
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AND homedir NOT LIKE '~/%/google-cloud-sdk/bin/%'
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AND homedir NOT LIKE '~/Library/Caches/ms-playwright/%'
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AND homedir NOT LIKE '~/%/node_modules/.pnpm/%'
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AND homedir NOT LIKE '~/.local/%/packages/%'
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AND homedir NOT LIKE '~/Library/Printers/%/Contents/MacOS'
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AND homedir NOT LIKE '~/Library/Application Support/cloud-code/bin/versions/%'
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-- Allow these anywhere (put last because it's slow to query signatures)
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AND signature.authority NOT IN (
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'Apple iPhone OS Application Signing',
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'Apple Mac OS Application Signing',
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'Developer ID Application: Adobe Inc. (JQ525L2MZD)',
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'Developer ID Application: Cisco (DE8Y96K9QP)',
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'Developer ID Application: CodeWeavers Inc. (9C6B7X7Z8E)',
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'Developer ID Application: Corsair Memory, Inc. (Y93VXCB8Q5)',
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'Developer ID Application: Docker Inc (9BNSXJN65R)',
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'Developer ID Application: Dropbox, Inc. (G7HH3F8CAK)',
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'Developer ID Application: Figma, Inc. (T8RA8NE3B7)',
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'Developer ID Application: GEORGE NACHMAN (H7V7XYVQ7D)',
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'Developer ID Application: Google LLC (EQHXZ8M8AV)',
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'Developer ID Application: Hashicorp, Inc. (D38WU7D763)',
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'Developer ID Application: Sublime HQ Pty Ltd (Z6D26JE4Y4)',
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'Developer ID Application: Logitech Inc. (QED4VVPZWA)',
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'Developer ID Application: JetBrains s.r.o. (2ZEFAR8TH3)',
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'Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'Developer ID Application: Node.js Foundation (HX7739G8FX)',
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'Developer ID Application: Objective Development Software GmbH (MLZF7K7B5R)',
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'Developer ID Application: Objective-See, LLC (VBG97UB4TA)',
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'Developer ID Application: Opal Camera Inc (97Z3HJWCRT)',
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'Developer ID Application: Oracle America, Inc. (VB5E2TV963)',
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'Developer ID Application: TablePlus Inc (3X57WP8E8V)',
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'Developer ID Application: Tenable, Inc. (4B8J598M7U)',
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'Developer ID Application: Valve Corporation (MXGJJ98X76)',
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'Developer ID Application: Wireshark Foundation, Inc. (7Z6EMTD2C6)',
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'Software Signing'
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)
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