osquery-defense-kit/fd/unexpected-bpf-user.sql

-- Find running processes which link against libbpf
-- WARNING: This check consumes an unusual amount of system memory (up to 225MB)
SELECT pmm.pid,
    pmm.path AS lib_path,
    p.path,
    p.name,
    p.cmdline,
    p.cwd,
    p.euid,
    p.parent,
    pp.path AS parent_path,
    pp.name AS parent_name,
    pp.cmdline AS parent_cmdline,
    pp.cwd AS parent_cwd,
    pp.euid AS parent_euid,
    hash.sha256 AS child_sha256,
    phash.sha256 AS parent_sha256
FROM process_memory_map pmm
    LEFT JOIN processes p ON pmm.pid = p.pid
    LEFT JOIN processes pp ON p.parent = pp.pid
    LEFT JOIN hash ON p.path = hash.path
    LEFT JOIN hash AS phash ON pp.path = phash.path
WHERE (lib_path LIKE "%:bpf%" OR lib_path LIKE "%libbpf%")
AND p.path != '/usr/lib/systemd/systemd'
GROUP BY pmm.pid