91 lines
1.8 KiB
SQL
91 lines
1.8 KiB
SQL
-- Processes that have an unusual extension
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--
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-- false positives:
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-- * none observed
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--
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-- references:
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-- * https://www.uptycs.com/blog/new-poc-exploit-backdoor-malware
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--
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-- tags: persistent process state
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-- platform: linux
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SELECT
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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.start_time AS p0_start,
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p0.cmdline AS p0_cmd,
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p0.cwd AS p0_cwd,
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REGEX_MATCH (p0.path, '.*\/(.*?)$', 1) AS basename,
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REGEX_MATCH (p0.path, '.*\.(\w+)$', 1) AS extension,
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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.start_time AS p1_start,
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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.start_time AS p2_start,
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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 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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extension IS NOT NULL
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AND extension NOT IN (
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'1',
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'2',
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'3',
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'4',
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'5',
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'10',
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'11',
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'12',
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'13',
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'14',
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'15',
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'16',
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'17',
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'18',
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'19',
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'20',
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'21',
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'22',
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'23',
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'24',
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'25',
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'26',
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'27',
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'28',
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'29',
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'30',
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'backend',
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'emacs',
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'build',
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'bin',
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'nox',
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'basic',
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'real',
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'test',
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'AppImage',
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'ext'
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)
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AND NOT basename LIKE 'python3.%'
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AND NOT basename LIKE 'python2.%'
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AND NOT basename LIKE 'terraform-provider%'
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AND NOT basename LIKE 'ld-%.so'
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AND NOT basename LIKE 'unison-%'
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