46 lines
1.1 KiB
SQL
46 lines
1.1 KiB
SQL
-- Unexpected programs speaking over ICMP (state-based)
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--
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-- references:
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-- *https://attack.mitre.org/techniques/T1095/ (C2: Non-Application Layer Protocol)
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--
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-- tags: transient state net often
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SELECT
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pop.pid AS p0_pid,
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pop.socket,
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pop.local_address,
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pop.remote_address,
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-- Child
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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 = 2 -- PF_INET
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AND pop.protocol = 1 -- ICMP
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AND p0.name NOT IN ('ping')
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GROUP BY
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p0_pid
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