mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-12 17:14:37 +00:00
130 lines
4.8 KiB
SQL
130 lines
4.8 KiB
SQL
-- Programs running as root from unusual signers on macOS
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--
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-- platform: darwin
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-- tags: transient seldom process state
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-- Canonical example of including process parents from process_events
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SELECT
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f.directory AS dir,
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REGEX_MATCH (p.path, '(/.*?/.*?)/', 1) AS top_dir,
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-- Child
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pe.path AS p0_path,
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s.authority AS p0_sauth,
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s.identifier AS p0_sid,
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REGEX_MATCH (pe.path, '.*/(.*)', 1) AS p0_name,
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TRIM(pe.cmdline) AS p0_cmd,
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pe.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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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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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 signature s ON pe.path = s.path
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LEFT JOIN file f ON pe.path = f.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
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-- 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
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-- 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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-- query optimization: Exclude SIP protected directories
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p.euid = 0
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AND top_dir NOT IN (
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'/Library/Apple',
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'/System/Library',
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'/usr/bin',
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'/usr/libexec',
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'/usr/sbin'
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)
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AND s.authority NOT IN (
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'Developer ID Application: Adobe Inc. (JQ525L2MZD)',
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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: Ecamm Network, LLC (5EJH68M642)',
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'Developer ID Application: Foxit Corporation (8GN47HTP75)',
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'Developer ID Application: Fumihiko Takayama (G43BCU2T37)',
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'Developer ID Application: Google LLC (EQHXZ8M8AV)',
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'Developer ID Application: Kandji, Inc. (P3FGV63VK7)',
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'Developer ID Application: Keybase, Inc. (99229SGT5K)',
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'Developer ID Application: Kolide, Inc (X98UFR7HA3)',
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'Developer ID Application: Kolide Inc (YZ3EM74M78)',
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'Developer ID Application: Logitech Inc. (QED4VVPZWA)',
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'Developer ID Application: Mersive Technologies (63B5A5WDNG)',
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'Developer ID Application: Microsoft Corporation (UBF8T346G9)',
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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: OSQUERY A Series of LF Projects, LLC (3522FA9PXF)',
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'Developer ID Application: Parallels International GmbH (4C6364ACXT)',
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'Developer ID Application: Private Internet Access, Inc. (5357M5NW9W)',
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'Developer ID Application: Ryan Hanson (XSYZ3E4B7D)',
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'Developer ID Application: Sanford, L.P. (N3S6676K3E)',
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'Developer ID Application: Tailscale Inc. (W5364U7YZB)',
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'Software Signing'
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)
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AND NOT (
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s.authority = ""
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AND pe.path LIKE "/nix/store/%-nix-%/bin/nix"
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AND p1.path = "/sbin/launchd"
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)
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AND NOT (
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s.authority = ""
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AND (
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pe.path LIKE "/nix/store/%-nix-%/bin/nix-%"
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OR pe.path LIKE "/private/var/folders/%/T/tmp.%/nix-installer"
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)
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AND p1.path = "/usr/bin/sudo"
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)
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AND NOT (
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s.authority = ""
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AND p0_path LIKE "/opt/%/bin/socket_vmnet"
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AND p1_path IN ("/usr/bin/sudo", "/sbin/launchd")
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)
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AND NOT (
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s.authority = ""
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AND p0_path LIKE "/opt/homebrew/Cellar/mariadb/%/bin/mariadbd"
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AND p0_cmd LIKE "/opt/homebrew/opt/mariadb/bin/mariadbd %"
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)
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AND NOT (
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s.authority = ""
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AND p0_path LIKE "/opt/homebrew/Cellar/tailscale/%/bin/tailscaled"
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AND p0_cmd LIKE "/opt/homebrew/Cellar/tailscale/%/bin/tailscaled %"
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)
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AND NOT (
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s.authority = "Developer ID Application: Node.js Foundation (HX7739G8FX)"
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AND p0_name = "node"
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AND p1_name IN ("vim", "nvim")
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)
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AND NOT p0_path LIKE '/usr/local/Cellar/htop/%/bin/htop'
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