mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-18 12:04:32 +00:00
373 lines
14 KiB
SQL
373 lines
14 KiB
SQL
-- Catch applications running from unusual directories, such as /tmp
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--
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-- references:
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-- * https://attack.mitre.org/techniques/T1074/
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--
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-- false positives:
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-- * software installers and updaters
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-- * developers running programs out of /tmp
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--
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-- interval: 240
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-- platform: darwin
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-- tags: filesystem events extra
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SELECT
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COALESCE(
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REGEX_MATCH (REPLACE(pe.path, u.directory, '~'), '(.*)/', 1),
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pe.path
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) AS dir,
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COALESCE(
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REGEX_MATCH (
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REPLACE(pe.path, u.directory, '~'),
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'(~*/.*?)/',
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1
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),
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REPLACE(pe.path, u.directory, '~'),
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'(.*)/',
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1
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) AS top1_dir,
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COALESCE(
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REGEX_MATCH (
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REPLACE(pe.path, u.directory, '~'),
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'(~*/.*?/.*?/.*?)/',
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1
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),
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REPLACE(pe.path, u.directory, '~'),
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'(.*)/',
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1
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) AS top3_dir,
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s.identifier AS s_id,
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s.authority AS s_auth,
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-- Child
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pe.path AS p0_path,
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COALESCE(REGEX_MATCH (pe.path, '.*/(.*)', 1), pe.path) AS p0_name,
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TRIM(pe.cmdline) AS p0_cmd,
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pe.time AS p0_time,
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-- pe.cwd is NULL on macOS
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p.cwd AS p0_cwd,
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pe.pid AS p0_pid,
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pe.euid AS p0_euid,
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-- Parent
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pe.parent AS p1_pid,
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TRIM(COALESCE(p1.cmdline, pe1.cmdline)) AS p1_cmd,
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p1.cwd AS p1_cwd,
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COALESCE(p1.path, pe1.path) AS p1_path,
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COALESCE(p_hash1.sha256, pe_hash1.sha256) AS p1_hash,
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REGEX_MATCH (COALESCE(p1.path, pe1.path), '.*/(.*)', 1) AS p1_name,
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-- Grandparent
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COALESCE(p1.parent, pe1.parent) AS p2_pid,
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TRIM(
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COALESCE(p1_p2.cmdline, pe1_p2.cmdline, pe1_pe2.cmdline)
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) AS p2_cmd,
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p1_p2.cwd AS p2_cwd,
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COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path) AS p2_path,
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COALESCE(
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p1_p2_hash.path,
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pe1_p2_hash.path,
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pe1_pe2_hash.path
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) AS p2_hash,
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REGEX_MATCH (
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COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path),
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'.*/(.*)',
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1
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) AS p2_name
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FROM
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process_events pe
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LEFT JOIN file f ON pe.path = f.path
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LEFT JOIN signature S ON pe.path = s.path
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LEFT JOIN users u ON pe.uid = u.uid
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LEFT JOIN processes p ON pe.pid = p.pid -- Parents (via two paths)
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LEFT JOIN processes p1 ON pe.parent = p1.pid
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LEFT JOIN hash p_hash1 ON p1.path = p_hash1.path
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LEFT JOIN process_events pe1 ON pe.parent = pe1.pid
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AND pe1.cmdline != ''
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LEFT JOIN hash pe_hash1 ON pe1.path = pe_hash1.path -- Grandparents (via 3 paths)
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LEFT JOIN processes p1_p2 ON p1.parent = p1_p2.pid -- Current grandparent via parent processes
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LEFT JOIN processes pe1_p2 ON pe1.parent = pe1_p2.pid -- Current grandparent via parent events
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LEFT JOIN process_events pe1_pe2 ON pe1.parent = pe1_p2.pid
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AND pe1_pe2.cmdline != '' -- Past grandparent via parent events
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LEFT JOIN hash p1_p2_hash ON p1_p2.path = p1_p2_hash.path
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LEFT JOIN hash pe1_p2_hash ON pe1_p2.path = pe1_p2_hash.path
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LEFT JOIN hash pe1_pe2_hash ON pe1_pe2.path = pe1_pe2_hash.path
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WHERE
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pe.time > (strftime('%s', 'now') -240)
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AND pe.status = 0
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AND pe.cmdline != ''
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AND pe.cmdline IS NOT NULL
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AND top1_dir NOT IN (
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'~/Applications',
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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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'~/melange',
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'~/chainctl',
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'~/chainguard',
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'~/anaconda3',
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'~/dev',
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'~/code',
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'~/Code',
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'~/.vscode-insiders',
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'~/.config',
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'~/.gimme',
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'~/git',
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'~/github',
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'~/go',
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'~/google-cloud-sdk',
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'~/.gradle',
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'~/homebrew',
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'~/.kuberlr',
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-- '~/Library',
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'~/.local',
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'/nix',
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'~/Parallels',
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'~/proj',
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'~/projects',
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'~/Projects',
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'~/workspace',
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'~/.provisio',
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'~/.pulumi',
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'~/.pyenv',
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'~/.rustup',
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'~/src',
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'~/.steampipe',
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'/System',
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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_dir NOT IN (
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'~/.docker/cli-plugins',
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'~/.docker/cli-plugins/docker-sbom',
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'/Library/Apple/System',
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'/Library/Application Support/AdGuard Software',
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'/Library/Application Support/Adobe',
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'/Library/Application Support/Blackmagic Design',
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'~/Library/Application Support/Box',
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'~/Library/Application Support/BraveSoftware',
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'/Library/Application Support/Canon_Inc_IC',
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'~/Library/Application Support/CleanMyMac X',
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'~/Library/Application Support/Code',
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'/Library/Application Support/com.canonical.multipass',
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'~/Library/Application Support/com.elgato.StreamDeck',
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'~/Library/Application Support/com.grammarly.ProjectLlama',
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'/Library/Application Support/EcammLive',
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'/Library/Application Support/Fortinet',
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'~/Library/Application Support/Foxit Software',
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'/Library/Application Support/GPGTools',
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'~/Library/Application Support/InstantView',
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'~/Library/Application Support/JetBrains',
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'~/Library/Application Support/LogMeInInc',
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'~/Library/Application Support/minecraft',
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'~/Library/Application Support/OpenLens',
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'/Library/Application Support/org.pqrs',
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'~/Library/Application Support/Steam',
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'~/Library/Application Support/zoom.us',
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'~/Library/Caches/com.knollsoft.Rectangle',
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'~/Library/Caches/com.mimestream.Mimestream',
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'~/Library/Caches/Cypress',
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'~/Library/Caches/dagger',
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'~/Library/Caches/JetBrains',
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'~/Library/Caches/snyk',
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'/Library/Developer/CommandLineTools',
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'~/Library/Developer/Xcode',
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'/Library/Elastic/Agent',
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'/Library/Frameworks/Python.framework',
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'/Library/Google/GoogleSoftwareUpdate',
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'~/Library/Google/GoogleSoftwareUpdate',
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'/Library/Java/JavaVirtualMachines',
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'/Library/Plug-Ins/FxPlug',
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'/Library/Printers/Brother',
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'/Library/Printers/Canon',
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'/Library/Screen Savers/XScreenSaverUpdater.app',
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'~/Library/Services/UE4EditorServices.app',
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'/opt/Elastic/Endpoint',
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'/opt/homebrew/Caskroom',
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'/opt/homebrew/Cellar',
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'/opt/homebrew/Library',
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'/opt/rapid7/ir_agent',
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'/private/tmp/golangci-lint',
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'/private/var/kolide-k2',
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'~/syft/.tool/binny',
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'/usr/libexec/AssetCache',
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'/usr/libexec/rosetta',
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'/usr/local/Cellar',
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'/usr/local/crc',
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'/usr/local/kolide-k2',
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'/Volumes/Google Chrome/Google Chrome.app',
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'/Volumes/Slack/Slack.app',
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'~/.wdm/drivers/chromedriver'
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)
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AND dir NOT IN (
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'/bin',
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'~/bin',
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'~/.cache/gitstatus',
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'~/code/bin',
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'~/.docker/cli-plugins',
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'~/Downloads/google-cloud-sdk/bin',
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'~/Downloads/protoc/bin',
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'~/go/bin',
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'~/Library/Application Support/Alfred/Assistant',
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'~/Library/Application Support/cloud-code/installer/google-cloud-sdk/bin',
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'~/Library/Application Support/dev.warp.Warp-Stable',
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'/Library/Application Support/Fortinet/FortiClient/bin',
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'/Library/Application Support/Kandji/Kandji Menu/Kandji Menu.app/Contents/MacOS',
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'/Library/Application Support/Logitech.localized/LogiOptionsPlus/logioptionsplus_agent.app/Contents/MacOS',
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'/Library/Application Support/Logitech.localized/Logitech Options.localized/LogiMgrUpdater.app/Contents/Resources',
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'~/Library/Application Support/minecraft/launcher/launcher.bundle/Contents/Frameworks/launcher-Helper (GPU).app/Contents/MacOS',
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'~/Library/Application Support/snyk-ls',
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'/Library/Application Support/X-Rite/Frameworks/XRiteDevice.framework/Versions/B/Resources/XRD Software Update.app/Contents/MacOS',
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'/Library/Audio/Plug-Ins/HAL/ACE.driver/Contents/Resources',
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'/Library/Audio/Plug-Ins/HAL/ACE.driver/Contents/Resources/aceagent.app/Contents/MacOS',
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'/Library/Audio/Plug-Ins/HAL/SolsticeDesktopSpeakers.driver/Contents/XPCServices/RelayXpc.xpc/Contents/MacOS',
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'/Library/DropboxHelperTools/Dropbox_u501',
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'/Library/Filesystems/kbfuse.fs/Contents/Resources',
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'/Library/Filesystems/macfuse.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/Image Capture/Devices/EPSON Scanner.app/Contents/MacOS',
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'/Library/Kandji/Kandji Agent.app/Contents/MacOS',
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'/Library/Kandji/Kandji Agent.app/Contents/MacOS/',
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'/Library/Printers/Brother/Filter/rastertobrother2130.bundle/Contents/MacOS',
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'/Library/Printers/Brother/Filter/rastertobrother2300.bundle/Contents/MacOS',
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'/Library/Printers/Brother/Utilities/Server/LOGINserver.app/Contents/MacOS',
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'/Library/Printers/Brother/Utilities/Server/NETserver.app/Contents/MacOS',
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'/Library/Printers/Brother/Utilities/Server/USBAppControl.app/Contents/MacOS',
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'/Library/Printers/Brother/Utilities/Server/WorkflowAppControl.app/Contents/MacOS',
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'/Library/Printers/DYMO/Utilities',
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'/Library/Printers/EPSON/InkjetPrinter2/Filter/commandtoescp.app/Contents/MacOS',
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'/Library/PrivilegedHelperTools',
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'/Library/TeX/texbin',
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'~/.local/bin',
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'~/.magefile',
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'~/melange',
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'/node_modules/.bin',
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'/opt/custom-cli-tools',
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'/opt/homebrew/bin',
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'/opt/osquery/lib/osquery.app/Contents/MacOS',
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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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'~/projects/go/bin',
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'/run/current-system/sw/bin',
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'/sbin',
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'/tmp/bin',
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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/cups/backend',
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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/aws-cli',
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'/usr/local/bin',
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'/usr/local/MacGPG2/bin',
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'/usr/sbin',
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'/Volumes/Grammarly/Grammarly Installer.app/Contents/MacOS'
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) -- Locally built executables
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AND NOT (
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s.identifier = 'a.out'
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AND (
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dir LIKE '~/%'
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OR dir LIKE '/Users/%'
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)
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AND p1_name IN ('fish', 'sh', 'bash', 'zsh', 'terraform', 'code')
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)
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AND NOT (
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s.authority = ''
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AND dir LIKE '~/%'
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AND p1_name IN ('fish', 'sh', 'bash', 'zsh')
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AND p.cmdline LIKE './%'
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) -- Spotify
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AND pe.path NOT LIKE '/private/var/folders/%/T/sp_relauncher' -- Sparkle updater
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AND pe.path NOT LIKE '/private/tmp%/cloud_sql_proxy'
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AND pe.path NOT LIKE '/Users/%/Library/Caches/%/org.sparkle-project.Sparkle/Launcher/%/Updater.app/Contents/MacOS/Updater'
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AND dir NOT LIKE '/Applications/%'
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AND dir NOT LIKE '~/%/bin'
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AND dir NOT LIKE '~/Downloads/%.app/Contents/MacOS'
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AND dir NOT LIKE '~/Documents/%/build/%'
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AND dir NOT LIKE '~/Documents/%/target/%'
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AND dir NOT LIKE '~/%/google-cloud-sdk/bin/%'
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AND dir NOT LIKE '~/Library/Caches/ms-playwright/%'
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AND dir NOT LIKE '~/Library/Printers/%/Contents/MacOS'
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AND dir NOT LIKE '/Library/SystemExtensions/%-%/%.systemextension/Contents/MacOS'
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AND dir NOT LIKE '~/.local/%/packages/%'
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AND dir NOT LIKE '~/%/node_modules/%'
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AND dir NOT LIKE '/opt/%/bin'
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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 '%/go/bin'
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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/var/folders/%/T/cargo-install%'
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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 '/private/var/kolide-k2/k2device.kolide.com/updates/osqueryd/%'
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AND dir NOT LIKE '~/%repo%' -- When running code as root
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AND dir NOT LIKE '~/%sigstore%'
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AND dir NOT LIKE '%/.terraform/providers/%'
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AND dir NOT LIKE '~/Library/Arduino%/packages/%'
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AND dir NOT LIKE '/Volumes/com.getdropbox.dropbox-%' -- These signers can run from wherever the hell they want.
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AND s.identifier != 'org.sparkle-project.Sparkle.Autoupdate'
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AND s.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: Azul Systems, Inc. (TDTHCUPYFR)',
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'Developer ID Application: Adobe Inc. (JQ525L2MZD)',
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'Developer ID Application: Rogue Amoeba Software, LLC (7266XEXAPM)',
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'Developer ID Application: Brother Industries, LTD. (5HCL85FLGW)',
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'Developer ID Application: Canonical Group Limited (X4QN7LTP59)',
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'Developer ID Application: Cisco (DE8Y96K9QP)',
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'Developer ID Application: Rapid7 LLC (UL6CGN7MAL)',
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'Developer ID Application: Bitdefender SRL (GUNFMW623Y)',
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'Developer ID Application: CodeWeavers Inc. (9C6B7X7Z8E)',
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'Developer ID Application: Canon Inc. (XE2XNRRXZ5)',
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'Developer ID Application: SILICON MOTION, INC. (JAGYSS7E9A)',
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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: Silicon Laboratories Inc (52444FG85C)',
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'Developer ID Application: Epic Games International, S.a.r.l. (96DBZ92D3Y)',
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'Developer ID Application: Figma, Inc. (T8RA8NE3B7)',
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'Developer ID Application: Fortinet, Inc (AH4XFXJ7DK)',
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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: Keybase, Inc. (99229SGT5K)',
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'Developer ID Application: LG Electronics (5SKT5H4CPQ)',
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'Developer ID Application: Logitech Inc. (QED4VVPZWA)',
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'Developer ID Application: MacPaw Inc. (S8EX82NJP6)',
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'Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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'Developer ID Application: Mojang AB (HR992ZEAE6)',
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'Developer ID Application: Ned Deily (DJ3H93M7VJ)',
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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: reMarkable AS (4FFUD2H2F6)',
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'Developer ID Application: Snyk Limited (97QYW7LHSF)',
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'Developer ID Application: Sublime HQ Pty Ltd (Z6D26JE4Y4)',
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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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) -- Don't spam alerts with repeated invocations of the same command-line
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GROUP BY
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p.cmdline,
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p.cwd,
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p.euid;
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