mirror of
https://github.com/chainguard-dev/osquery-defense-kit
synced 2024-12-12 09:04:35 +00:00
49 lines
1.2 KiB
SQL
49 lines
1.2 KiB
SQL
-- Find unexpected use of raw sockets in executables, sometimes used for C&C communications
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--
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-- false positives:
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-- * operating-system network managers
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--
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-- tags: transient process state
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-- platform: posix
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SELECT
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pop.*,
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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.cgroup_path AS p0_cgroup,
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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.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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process_open_sockets pop
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LEFT JOIN processes p0 ON pop.pid = p0.pid
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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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pop.family = 17 -- PF_PACKET
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AND p0.name NOT IN (
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'wpa_supplicant',
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'systemd-network',
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'NetworkManager',
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'dhclient',
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'dhcpcd',
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'tcpdump'
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)
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