osquery-defense-kit/process/empty_environ.sql

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2022-09-08 13:53:43 +00:00
-- Inspired by BPFdoor
-- https://www.sandflysecurity.com/blog/bpfdoor-an-evasive-linux-backdoor-technical-analysis/
SELECT COUNT(*) AS count,
p.pid,
p.path,
p.cmdline
FROM process_envs pe
JOIN processes p ON pe.pid = p.pid
GROUP BY p.pid
HAVING count == 0;