mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-11 08:34:34 +00:00
331 lines
12 KiB
SQL
331 lines
12 KiB
SQL
-- Programs communicating over the network in unexpected ways (state-based)
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--
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-- references:
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-- * https://attack.mitre.org/techniques/T1071/ (C&C, Application Layer Protocol)
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--
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-- tags: transient state net often
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-- platform: macos
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SELECT
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protocol,
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s.local_port,
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s.remote_port,
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s.remote_address,
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p.name,
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p.path,
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p.cmdline AS child_cmd,
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p.cwd,
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s.pid,
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p.parent AS parent_pid,
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pp.path AS parent_path,
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pp.cmdline AS parent_cmd,
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hash.sha256,
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CONCAT (
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MIN(s.remote_port, 32768),
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',',
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protocol,
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',',
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MIN(p.uid, 500),
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',',
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p.name,
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',',
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signature.identifier,
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',',
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signature.authority
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) AS exception_key
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FROM
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process_open_sockets s
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LEFT JOIN processes p ON s.pid = p.pid
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LEFT JOIN processes pp ON pp.pid = p.parent
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LEFT JOIN hash ON p.path = hash.path
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LEFT JOIN signature ON p.path = signature.path
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WHERE
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protocol > 0
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AND s.remote_port > 0
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AND s.remote_address NOT IN ('127.0.0.1', '::ffff:127.0.0.1', '::1')
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AND s.remote_address NOT LIKE 'fe80:%'
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AND s.remote_address NOT LIKE '127.%'
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AND s.remote_address NOT LIKE '192.168.%'
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AND s.remote_address NOT LIKE '172.1%'
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AND s.remote_address NOT LIKE '172.2%'
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AND s.remote_address NOT LIKE '172.30.%'
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AND s.remote_address NOT LIKE '172.31.%'
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AND s.remote_address NOT LIKE '::ffff:172.%'
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AND s.remote_address NOT LIKE '10.%'
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AND s.remote_address NOT LIKE '::ffff:10.%'
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AND s.remote_address NOT LIKE 'fc00:%'
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AND s.state != 'LISTEN' -- Ignore most common application paths
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AND p.path NOT LIKE '/Applications/%.app/Contents/%'
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AND p.path NOT LIKE '/Library/Apple/System/Library/%'
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AND p.path NOT LIKE '/Library/Application Support/%/Contents/%'
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AND p.path NOT LIKE '/System/Applications/%'
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AND p.path NOT LIKE '/System/Library/%'
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AND p.path NOT LIKE '/Users/%/Library/%.app/Contents/MacOS/%'
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AND p.path NOT LIKE '/System/%'
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AND p.path NOT LIKE '/opt/homebrew/Cellar/%/bin/%'
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AND p.path NOT LIKE '/usr/libexec/%'
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AND p.path NOT LIKE '/usr/sbin/%'
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AND p.path NOT LIKE '/private/var/folders/%/go-build%/%'
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AND NOT (
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remote_port = 53
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AND protocol IN (6, 17)
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AND p.name IN (
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'1password',
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'Acrobat Update Helper',
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'chainctl',
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'cloud_sql_proxy',
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'Code Helper',
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'com.apple.MobileSoftwareUpdate.UpdateBrainService',
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'cosign',
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'crc',
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'curl',
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'dig',
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'Evernote Helper',
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'figma_agent',
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'gh',
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'git-remote-http',
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'gitsign',
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'go',
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'grafana-server',
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'grype',
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'host',
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'htop',
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'istioctl',
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'k6',
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'k9s',
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'ko',
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'launcher',
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'ngrok',
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'nix',
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'node',
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'obs',
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'obs-browser-page',
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'obs-ffmpeg-mux',
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'obsidian',
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'opera',
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'ping',
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'Python',
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'python3.10',
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'Reflect',
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'Reflect Helper',
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'ruby',
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'sample',
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'ssh',
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'steam_osx',
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'syncthing',
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'tailscaled',
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'terraform',
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'tkn',
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'traceroute',
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'vcluster',
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'wget',
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'whois',
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'zoom'
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)
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)
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AND NOT exception_key IN (
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'22,6,500,Cyberduck,ch.sudo.cyberduck,Developer ID Application: David Kocher (G69SCX94XU)',
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'22,6,500,ssh,,',
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'443,6,500,grype,grype,Developer ID Application: ANCHORE, INC. (9MJHKYX5AT)',
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'22,6,500,ssh,com.apple.openssh,Software Signing',
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'22,6,500,ssh,ssh,',
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'22,6,500,ssh,ssh-55554944fbf65684ab9b37c2bad3a27ef78b23f4,',
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'30004,6,500,java,net.java.openjdk.java,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'30011,6,500,java,net.java.openjdk.java,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'32768,6,500,java,net.java.openjdk.java,Developer ID Application: Oracle America, Inc. (VB5E2TV963)',
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'3307,6,500,cloud_sql_proxy,a.out,',
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'443,6,500,sublime_text,com.sublimetext.4,Developer ID Application: Sublime HQ Pty Ltd (Z6D26JE4Y4)',
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'43,6,500,DropboxMacUpdate,com.dropbox.DropboxMacUpdate,Developer ID Application: Dropbox, Inc. (G7HH3F8CAK)',
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'443,17,500,Code Helper,com.microsoft.VSCode.helper,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,17,500,Evernote Helper,com.evernote.Evernote.helper,Apple Mac OS Application Signing',
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'443,17,500,Reflect Helper,app.reflect.ReflectDesktop,Developer ID Application: Reflect App, LLC (789ULN5MZB)',
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'443,17,500,Slack Helper,,',
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'443,6,0,com.apple.MobileSoftwareUpdate.UpdateBrainService,com.apple.MobileSoftwareUpdate.UpdateBrainService,Software Signing',
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'443,6,0,Install,com.adobe.Install,Developer ID Application: Adobe Inc. (JQ525L2MZD)',
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'443,6,0,launcher,launcher,Developer ID Application: Kolide Inc (YZ3EM74M78)',
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'443,6,0,nessusd,nessusd,Developer ID Application: Tenable, Inc. (4B8J598M7U)',
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'443,6,0,nix,nix,',
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'443,6,0,OneDrivePkgTelemetry,com.microsoft.OneDrivePkgTelemetry,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,0,Setup,com.adobe.acc.Setup,Developer ID Application: Adobe Inc. (JQ525L2MZD)',
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'443,6,500,provisio,,',
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'443,6,500,,,',
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'443,6,500,Acrobat Update Helper,com.adobe.ARMDCHelper,Developer ID Application: Adobe Inc. (JQ525L2MZD)',
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'443,6,500,bash,bash,',
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'443,6,500,chainctl,,',
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'443,6,500,chainctl,a.out,',
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'443,6,500,java,net.java.openjdk.java,Developer ID Application: Eclipse Foundation, Inc. (JCDTMS22B4)',
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'443,6,500,chainctl_Darwin_arm64,a.out,',
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'443,6,500,civo,a.out,',
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'443,6,500,cloud_sql_proxy,a.out,',
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'443,6,500,Code Helper,com.microsoft.VSCode.helper,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,500,Code Helper (Renderer),com.github.Electron.helper,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,500,cosign,,',
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'443,6,500,cosign,a.out,',
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'443,6,500,cosign,cosign,',
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'443,6,500,crane,,',
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'443,6,500,GitHub.UI,GitHub,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,500,crane,a.out,',
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'443,6,500,ctclient,a.out,',
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'53,17,500,trivy,,',
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'443,6,500,curl,com.apple.curl,Software Signing',
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'443,6,500,docker-credential-gcr,a.out,',
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'443,6,500,Electron,com.microsoft.VSCode,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,500,emacs-28.2,emacs-28.2,',
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'443,6,500,Evernote Helper,com.evernote.Evernote.helper,Apple Mac OS Application Signing',
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'443,6,500,figma_agent,com.figma.agent,Developer ID Application: Figma, Inc. (T8RA8NE3B7)',
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'443,6,500,gh,a.out,',
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'443,6,500,git-remote-http,,',
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'443,6,500,gh,gh,',
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'443,6,500,git,com.apple.git,Software Signing',
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'443,6,500,git,git,',
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'443,6,500,git-remote-http,,',
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'443,6,500,git-remote-http,com.apple.git-remote-http,Software Signing',
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'443,6,500,git-remote-http,git-remote-http-5555494493930c47f9d9385e94cdee8b19968153,',
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'443,6,500,git-remote-http,git-remote-http-55554944ce011d0e889a3cf58e5ac97ac15728f3,',
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'443,6,500,git-remote-http,git-remote-http-55554944e5dca79a2b44332e941af547708b0c68,',
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'443,6,500,gitsign,,',
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'443,6,500,FlyDelta,com.delta.iphone.ver1,Apple iPhone OS Application Signing',
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'443,6,500,gitsign,a.out,',
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'443,6,500,gitsign,gitsign,',
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'443,6,500,go,a.out,',
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'443,6,500,go,org.golang.go,Developer ID Application: Google LLC (EQHXZ8M8AV)',
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'443,6,500,helm,a.out,',
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'443,6,500,istioctl,a.out,',
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'443,6,500,darkfiles,a.out,',
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'443,6,500,java,net.java.openjdk.java,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,500,java,net.java.openjdk.java,Developer ID Application: Oracle America, Inc. (VB5E2TV963)',
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'443,6,500,ko,a.out,',
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'443,6,500,ksfetch,ksfetch,Developer ID Application: Google LLC (EQHXZ8M8AV)',
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'443,6,500,kubectl,,',
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'443,6,500,kubectl,a.out,',
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'443,6,500,limactl,,',
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'443,6,500,main,a.out,',
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'443,6,500,melange,a.out,',
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'443,6,500,minikube,,',
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'443,6,500,ngrok,darwin_amd64,Developer ID Application: ngrok LLC (TEX8MHRDQ9)',
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'443,6,500,nix,nix,',
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'443,6,500,node,node,Developer ID Application: Node.js Foundation (HX7739G8FX)',
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'443,6,500,OneDriveStandaloneUpdater,com.microsoft.OneDriveStandaloneUpdater,Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'443,6,500,prober,a.out,',
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'443,6,500,pulumi-resource-gcp,a.out,',
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'443,6,500,pulumi-resource-github,a.out,',
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'443,6,500,python2.7,python2.7,',
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'443,6,500,python3.10,python3.10,',
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'443,6,500,Python,com.apple.python3,Software Signing',
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'443,6,500,Python,org.python.python,',
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'443,6,500,Python,Python,',
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'443,6,500,Reflect,app.reflect.ReflectDesktop,Developer ID Application: Reflect App, LLC (789ULN5MZB)',
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'443,6,500,Reflect Helper,app.reflect.ReflectDesktop,Developer ID Application: Reflect App, LLC (789ULN5MZB)',
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'443,6,500,sample,com.apple.dt.SamplingTools.sample,Software Signing',
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'443,6,500,scorecard-darwin-amd64,,',
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'443,6,500,Slack Helper,,',
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'443,6,500,Slack Helper,com.tinyspeck.slackmacgap.helper,Apple Mac OS Application Signing',
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'443,6,500,Slack Helper,com.tinyspeck.slackmacgap.helper,Developer ID Application: Slack Technologies, Inc. (BQR82RBBHL)',
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'443,6,500,steam_osx,com.valvesoftware.steam,Developer ID Application: Valve Corporation (MXGJJ98X76)',
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'443,6,500,step,step,',
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'443,6,500,syft,syft,Developer ID Application: ANCHORE, INC. (9MJHKYX5AT)',
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'443,6,500,terraform-ls,terraform-ls,Developer ID Application: Hashicorp, Inc. (D38WU7D763)',
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'443,6,500,terraform,terraform,Developer ID Application: Hashicorp, Inc. (D38WU7D763)',
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'443,6,500,vegeta,a.out,',
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'443,6,500,vim,vim,',
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'443,6,500,zoom.us,us.zoom.xos,Developer ID Application: Zoom Video Communications, Inc. (BJ4HAAB9B3)',
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'443,6,500,zsh,com.apple.zsh,Software Signing',
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'53,17,500,docker-credential-gcr,a.out,',
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'6000,6,500,ssh,,',
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'6000,6,500,ssh,com.apple.openssh,Software Signing',
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'6000,6,500,ssh,ssh-55554944fbf65684ab9b37c2bad3a27ef78b23f4,',
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'80,6,0,com.apple.MobileSoftwareUpdate.UpdateBrainService,com.apple.MobileSoftwareUpdate.UpdateBrainService,Software Signing',
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'80,6,500,curl,com.apple.curl,Software Signing',
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'80,6,500,ksfetch,ksfetch,Developer ID Application: Google LLC (EQHXZ8M8AV)',
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'80,6,500,steam_osx,com.valvesoftware.steam,Developer ID Application: Valve Corporation (MXGJJ98X76)',
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'80,6,500,webhook.test,a.out,'
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) -- nix-shell infects children with open connections
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AND NOT (
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parent_cmd LIKE '%/tmp/nix-shell%'
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AND remote_port = 443
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AND protocol = 6
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) -- These programs would normally never make an outgoing connection, but thanks to Nix, it can happen.
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AND NOT (
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(
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remote_address LIKE '151.101.%'
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OR remote_address LIKE '140.82.%'
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)
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AND remote_port = 443
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AND protocol = 6
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AND parent_path LIKE '/nix/%/bash'
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) -- More complicated patterns go here
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AND NOT (
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p.name = 'syncthing'
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AND (
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remote_port IN (53, 80, 88, 110, 443, 587, 993)
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OR remote_port > 1024
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)
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)
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AND NOT (
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p.name IN (
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'Google Chrome Helper',
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'Brave Browser Helper',
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'Chromium Helper',
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'Opera Helper'
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)
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AND remote_port IN (
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53,
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443,
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80,
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8009,
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8080,
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8888,
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8443,
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5228,
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32211,
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53,
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10001,
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3478,
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19305,
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19306,
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5004,
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9000,
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19307,
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19308,
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19309
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)
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)
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AND NOT (
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p.name IN ('Mail', 'thunderbird', 'Spark', 'Notes')
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AND remote_port IN (53, 143, 443, 587, 465, 585, 993)
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)
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AND NOT (
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parent_path = '/Applications/Minecraft.app/Contents/MacOS/launcher'
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AND remote_port > 30000
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)
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AND NOT (
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p.name IN ('Spotify Helper', 'Spotify')
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AND remote_port IN (53, 443, 8009, 4070, 32211)
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)
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AND NOT (
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remote_port IN (53, 443)
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AND p.name LIKE 'terraform-provider-%'
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)
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AND NOT (
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remote_port IN (53, 443)
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AND p.name LIKE 'kubectl.%'
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)
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AND NOT (
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p.cmdline LIKE '%google-cloud-sdk/lib/gcloud.py%'
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AND remote_port IN (80, 443, 53)
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) -- Slack update?
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AND NOT (
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p.path = ''
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AND pp.cmdline LIKE '%/Slack'
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) -- Process name is sometimes empty here?
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AND NOT (
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p.cmdline = '/Applications/Craft.app/Contents/MacOS/Craft'
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AND remote_port = 443
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AND protocol = 6
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)
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AND NOT (
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remote_port IN (53, 443)
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AND p.path LIKE '/private/var/folders/%/T/GoLand/%'
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)
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GROUP BY
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s.pid
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