mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-16 11:04:34 +00:00
65 lines
2.1 KiB
SQL
65 lines
2.1 KiB
SQL
-- Find root-run processes which link against libpcap
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--
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-- references:
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-- * https://attack.mitre.org/techniques/T1205/001/ (Traffic Signaling: Port Knocking)
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--
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-- platform: darwin
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-- tags: persistent state process sniffer
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SELECT
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s.authority,
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s.identifier,
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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.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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JOIN process_memory_map pmm ON p0.pid = pmm.pid
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LEFT JOIN signature s ON p0.path = s.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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p0.euid = 0
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AND pmm.path LIKE '%libpcap%'
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-- These are all protected directories
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AND p0.path NOT LIKE '/System/%'
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AND p0.path NOT LIKE '/usr/libexec/%'
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AND p0.path NOT LIKE '/usr/sbin/%'
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AND p0.path NOT LIKE '/usr/bin/%'
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AND p0.path NOT LIKE '/nix/store/%/bin/nix'
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AND p0.path NOT LIKE '/opt/homebrew/Cellar/vim/%/bin/vim'
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AND p0.path NOT LIKE '/usr/local/kolide-k2/bin/osqueryd-updates/%/osqueryd'
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AND p0.path NOT LIKE '/usr/local/kolide-k2/bin/launcher-updates/%/Kolide.app/Contents/MacOS/launcher'
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AND p0.path NOT LIKE '/opt/homebrew/Cellar/socket_vmnet/%/bin/socket_vmnet'
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AND p0.path NOT LIKE '/usr/local/Cellar/htop/%/bin/htop'
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AND p0.path != '/opt/socket_vmnet/bin/socket_vmnet'
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AND NOT s.authority IN (
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'Software Signing',
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'Developer ID Application: OSQUERY A Series of LF Projects, LLC (3522FA9PXF)',
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'Apple Mac OS Application Signing',
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'Developer ID Application: Kolide Inc (YZ3EM74M78)',
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'Developer ID Application: Docker Inc (9BNSXJN65R)'
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)
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GROUP BY
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p0.pid
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