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fix(harfanglab): null guards and stable attacks array in get_threats mapper

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Guillaume BOURGEOIS
2026-07-21 22:52:11 +02:00
parent 4ea3af6c1d
commit a4b5b44157
1 changed files with 11 additions and 5 deletions
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integrations/harfanglab/mappers/get_threats.yaml
+10 -4
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@@ -13,17 +13,22 @@ ocsf:
- { source_path: "creation_date", ocsf_field: "finding_info.created_time" } - { source_path: "creation_date", ocsf_field: "finding_info.created_time" }
- { source_path: "first_seen", ocsf_field: "finding_info.first_seen_time" } - { source_path: "first_seen", ocsf_field: "finding_info.first_seen_time" }
- { source_path: "last_seen", ocsf_field: "finding_info.last_seen_time" } - { source_path: "last_seen", ocsf_field: "finding_info.last_seen_time" }
- { source_path: "closed_date", ocsf_field: "end_time" } # x ? x guards: these are null on open/mono-tenant threats — null is falsy in
# JSONata, so the condition yields undefined and the entry is skipped instead
# of writing a literal null into the OCSF document.
- { source_path: "closed_date ? closed_date", ocsf_field: "end_time" }
- { source_path: "status", ocsf_field: "status" } - { source_path: "status", ocsf_field: "status" }
- { source_path: "linked_threat", ocsf_field: "finding_info.uid_alt" } - { source_path: "linked_threat ? linked_threat", ocsf_field: "finding_info.uid_alt" }
- { source_path: "tenant", ocsf_field: "metadata.tenant_uid" } - { source_path: "tenant ? tenant", ocsf_field: "metadata.tenant_uid" }
# ── Aggregate counts ────────────────────────────────────────────── # ── Aggregate counts ──────────────────────────────────────────────
- { source_path: "total_security_event_count", ocsf_field: "finding_info.related_events_count" } - { source_path: "total_security_event_count", ocsf_field: "finding_info.related_events_count" }
- { source_path: "agent_count", ocsf_field: "unmapped.agent_count" } - { source_path: "agent_count", ocsf_field: "unmapped.agent_count" }
- { source_path: "impacted_user_count", ocsf_field: "unmapped.impacted_user_count" } - { source_path: "impacted_user_count", ocsf_field: "unmapped.impacted_user_count" }
- { source_path: "rule_count", ocsf_field: "unmapped.rule_count" } - { source_path: "rule_count", ocsf_field: "unmapped.rule_count" }
# ── MITRE ATT&CK — mitre_tactics is a MAP {"attack.persistence": {...}} ── # ── MITRE ATT&CK — mitre_tactics is a MAP {"attack.persistence": {...}} ──
- { source_path: "$keys(mitre_tactics)", ocsf_field: "attacks" } # [$keys(...)] keeps an array shape even for a single tactic (JSONata collapses
# singleton sequences to a scalar); the guard skips threats without tactics.
- { source_path: "mitre_tactics ? [$keys(mitre_tactics)]", ocsf_field: "attacks" }
# ── Top impacted endpoint (most security events first) ──────────── # ── Top impacted endpoint (most security events first) ────────────
- { source_path: "top_agents[0].agent_hostname", ocsf_field: "src_endpoint.hostname" } - { source_path: "top_agents[0].agent_hostname", ocsf_field: "src_endpoint.hostname" }
- { source_path: "top_agents[0].agent_id", ocsf_field: "device.uid" } - { source_path: "top_agents[0].agent_id", ocsf_field: "device.uid" }
@@ -39,6 +44,7 @@ ocsf:
- { source_path: "top_rules[0].rule_type", ocsf_field: "finding_info.analytic.type" } - { source_path: "top_rules[0].rule_type", ocsf_field: "finding_info.analytic.type" }
- { source_path: "top_rules[0].rule_msg", ocsf_field: "finding_info.desc" } - { source_path: "top_rules[0].rule_msg", ocsf_field: "finding_info.desc" }
# Deliberately unmapped: old_id/origin_stack (legacy/console internals), agent_status, # Deliberately unmapped: old_id/origin_stack (legacy/console internals), agent_status,
# top_rules[0].id (numeric console id — rule_id is the stable uid, mapped above),
# per-item security_event_count, rule_os/rule_level/rule creation dates (no OCSF home), # per-item security_event_count, rule_os/rule_level/rule creation dates (no OCSF home),
# top_rules[0].description (duplicate of rule_msg), and entries [1..] of the top_* arrays # top_rules[0].description (duplicate of rule_msg), and entries [1..] of the top_* arrays
# (OCSF detection_finding models a single primary endpoint/user/rule; counts convey scale). # (OCSF detection_finding models a single primary endpoint/user/rule; counts convey scale).