mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-18 20:14:32 +00:00
100 lines
3.0 KiB
SQL
100 lines
3.0 KiB
SQL
-- Processes with executable names that feel weird
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--
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-- references:
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-- * https://www.zscaler.com/blogs/security-research/peek-apt36-s-updated-arsenal
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--
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-- tags: persistent process
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SELECT
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COALESCE(REGEX_MATCH (p0.path, '.*/(.*)', 1), p0.path) AS pname,
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COALESCE(REGEX_MATCH (p0.path, '.*/.*\.([a-z]{2,4})$', 1), "") AS pext,
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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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s.authority AS p0_sauth,
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s.identifier AS p0_sid,
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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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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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(
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pname LIKE "%kthread%"
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OR pname LIKE "%-help"
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OR pname LIKE "%flush%"
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OR pname LIKE "%tasks%"
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OR pname LIKE "%thread%"
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OR pname LIKE "%initd%"
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OR pname LIKE "%kdmp%"
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OR pname LIKE "%kworker%"
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OR pname LIKE "%launchd%"
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OR pname LIKE "%user_dir%"
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OR pname LIKE "%xdg%"
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OR pname LIKE "cpu%"
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OR pname LIKE "events%"
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OR pname LIKE "idle_%"
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OR pname LIKE '%xprotect%'
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OR pname LIKE "%kaudit%"
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OR pname LIKE "%nvme%"
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OR pname LIKE "%zswap%"
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OR pname LIKE "%crypt%"
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OR pname LIKE "%acpi%"
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OR pname LIKE "%kdev%"
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OR pname LIKE "%ksoft%"
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OR pname LIKE "%irq%"
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OR pname LIKE "%kswap%"
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OR pname LIKE "mm-%"
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OR pname LIKE "nm_%"
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OR pname LIKE "rcu%"
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OR REGEX_MATCH (pname, '([a-z]{16,})', 1) != ""
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OR REGEX_MATCH (pname, '([a-zA-Z0-9]{32,})', 1) != ""
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OR REGEX_MATCH (pname, '(\w{40,})', 1) != ""
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OR REGEX_MATCH (
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pname,
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'([a-z]+[A-Z]+[a-z]+[A-Z]+[a-z]+[A-Z]+[a-z]+[A-Z]+[a-z]+[A-Z]+[a-z]+[A-Z]+)',
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1
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) != ""
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OR REGEX_MATCH (pname, "([a-z].*[A-Z].*\d+.*[a-z].*\d+)", 1) != ""
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OR REGEX_MATCH (pname, "(\d.*[a-z].*\d.*[a-z].*\d+)", 1) != ""
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OR REGEX_MATCH (pname, "(\d{5,})", 1) != ""
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OR REGEX_MATCH (pname, "^(\d\d)", 1) != ""
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OR REGEX_MATCH (pname, "^(\W)", 1) != ""
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OR (
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REGEX_MATCH (pname, "(\W)$", 1) != ""
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AND pname NOT LIKE "%)"
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)
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AND pext NOT IN ("", "gui", "cli", "us", "node", "com")
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)
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AND NOT pname IN (
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'cpu',
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'BetterTouchToolAppleScriptRunner',
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'BetterTouchToolShellScriptRunner',
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'at.obdev.littlesnitch.networkextension',
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'EcammLiveVideoOutAssistantXPCHelper'
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)
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AND NOT pname LIKE '.%-wrapped'
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-- example: 85C27NK92C.com.flexibits.fantastical2.mac.helper
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AND NOT pname LIKE "%.com.flexibits.fantastical2.mac.helper"
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AND NOT s.authority = "Software Signing"
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