-- Canonical example of including process parents from process_events SELECT -- Child pe.path AS p0_path, s.authority AS p0_sauth, s.identifier AS p0_sid, REGEX_MATCH (pe.path, '.*/(.*)', 1) AS p0_name, TRIM(pe.cmdline) AS p0_cmd, pe.cwd AS p0_cwd, pe.pid AS p0_pid, pe.euid AS p0_euid, p.cgroup_path AS p0_cgroup, -- Parent pe.parent AS p1_pid, p1.cgroup_path AS p1_cgroup, TRIM(COALESCE(p1.cmdline, pe1.cmdline)) AS p1_cmd, COALESCE(p1.path, pe1.path) AS p1_path, COALESCE(p_hash1.sha256, pe_hash1.sha256) AS p1_hash, REGEX_MATCH (COALESCE(p1.path, pe1.path), '.*/(.*)', 1) AS p1_name, -- Grandparent COALESCE(p1.parent, pe1.parent) AS p2_pid, COALESCE(p1_p2.cgroup_path, pe1_p2.cgroup_path) AS p2_cgroup, TRIM( COALESCE(p1_p2.cmdline, pe1_p2.cmdline, pe1_pe2.cmdline) ) AS p2_cmd, COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path) AS p2_path, COALESCE( p1_p2_hash.path, pe1_p2_hash.path, pe1_pe2_hash.path ) AS p2_hash, REGEX_MATCH ( COALESCE(p1_p2.path, pe1_p2.path, pe1_pe2.path), '.*/(.*)', 1 ) AS p2_name FROM process_events pe LEFT JOIN signature s ON pe.path = s.path LEFT JOIN processes p ON pe.pid = p.pid -- Parents (via two paths) LEFT JOIN processes p1 ON pe.parent = p1.pid LEFT JOIN hash p_hash1 ON p1.path = p_hash1.path LEFT JOIN process_events pe1 ON pe.parent = pe1.pid AND pe1.cmdline != '' LEFT JOIN hash pe_hash1 ON pe1.path = pe_hash1.path -- Grandparents (via 3 paths) LEFT JOIN processes p1_p2 ON p1.parent = p1_p2.pid -- Current grandparent via parent processes LEFT JOIN processes pe1_p2 ON pe1.parent = pe1_p2.pid -- Current grandparent via parent events LEFT JOIN process_events pe1_pe2 ON pe1.parent = pe1_p2.pid AND pe1_pe2.cmdline != '' -- Past grandparent via parent events LEFT JOIN hash p1_p2_hash ON p1_p2.path = p1_p2_hash.path LEFT JOIN hash pe1_p2_hash ON pe1_p2.path = pe1_p2_hash.path LEFT JOIN hash pe1_pe2_hash ON pe1_pe2.path = pe1_pe2_hash.path