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tiny-executable-events: Add child hash & magic data, filter by regular

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Thomas Stromberg 2022-11-09 09:14:10 -05:00
parent 0513cf159f
commit 9b99b0f657
Failed to extract signature
1 changed files with 9 additions and 2 deletions
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11
detection/execution/tiny-executable-events.sql
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@ -10,6 +10,7 @@ SELECT
p.path,
p.cmdline,
file.size,
file.type,
p.mode,
p.cwd,
p.euid,
@ -19,19 +20,25 @@ SELECT
pp.name AS parent_name,
pp.cmdline AS parent_cmdline,
pp.euid AS parent_euid,
hash.sha256 AS parent_sha256
hash.sha256 AS child_sha256,
phash.sha256 AS parent_sha256,
magic.data AS magic
FROM
process_events p
LEFT JOIN file ON p.path = file.path
LEFT JOIN processes pp ON p.parent = pp.pid
LEFT JOIN hash ON pp.path = hash.path
LEFT JOIN hash ON p.path = hash.path
LEFT JOIN hash phash ON pp.path = phash.path
LEFT JOIN magic ON p.path = magic.path
WHERE
p.time > (strftime('%s', 'now') -30)
AND file.size > 0
AND file.size < 10000
AND file.type = 'regular'
AND p.path NOT LIKE '%.sh'
AND p.path NOT LIKE '%.py'
AND p.path NOT LIKE '%.rb'
AND p.path NOT LIKE '/private/var/folders/%/T/iTerm2-scrip%sh'
-- Removes a false-positive we've seen on Linux, generated through 'runc init'
AND NOT (
p.path = "/"