feat(rapid7-insightidr): the investigation, with its alerts inlined (v1.4.0)
The previous command returned the alerts as its result rows, which quietly changed the unit: an investigation holding three alerts would have become three incidents. The investigation is what an analyst opens and what the SOC tracks — it stays the incident, and the alerts are its content. get_investigations_full walks the same three hops and inverts the shape: investigations under `data`, each carrying its alerts under `alerts` plus an alert_count. results_path=data and dedup_key=rrn, so it is a drop-in replacement for list_investigations in an existing ingestion rule — only the command name and the mapper change. A few first-alert values are also lifted to the top level, and that is not cosmetic. MapFields resolves dotted paths only and cannot index an array, so `alerts[0].ai_suggested_disposition` in a field_mappings entry reads as nothing — silently, leaving the custom field empty with no error anywhere. Three custom fields were empty for exactly that reason until an end-to-end run showed it. The ocsf section has no such limit: it is evaluated by full JSONata and indexes freely, which is why the host and process mappings worked while the custom fields did not. The mapper maps the investigation first and the first alert after, so the alert wins wherever the container says nothing. It also lands every alert — not just alerts[0] — as OCSF-shaped objects under `evidences`, because the extractor walks arrays and classifies on the path suffix: an investigation aggregating two alerts on two machines now indexes both hosts, where reading alerts[0] alone would have indexed one and silently dropped the other. Verified end to end against the investigation that started this, with a second alert added on another host: field mapping, OCSF mapping and entity extraction. Both hosts are indexed. With the incident type's extraction policy set to selected/host,ip,user, the entity set is exactly those two — the alert RRN's 32-hex suffix, which the IOC regex cannot tell from an MD5, is filtered out there. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -1,8 +1,8 @@
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id: rapid7_insightidr
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name: Rapid7 InsightIDR
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version: 1.3.0
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version: 1.4.0
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description: "Rapid7 InsightIDR (REST API) — investigation ingestion and full lifecycle (list/get/search/create/update/assign/set-status/bulk-close), investigation alerts and Rapid7 product alerts, custom threat indicators (add/replace), log management and LEQL log/log-set queries with downloads, and user directory search."
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changelog: "1.3.0 — Add search_investigation_alerts: ingest only the alerts that belong to an investigation, with their full detection content, in 1+N+1 calls. Filtering search_alerts on investigation_rrn does not work — the term is accepted and silently matches nothing. | 1.2.1 — search_alerts: report a malformed terms_json with the input named and echoed, instead of json's bare \"Expecting value: line 1 column 1\". | 1.2.0 — Add the search_alerts OCSF mapper: rule_keys_of_interest carries the host, the process, its command line, its parent and the file hashes, so an alert-based feed indexes entities where the investigation feed indexed none. Validated against a live ABA alert. | 1.1.1 — list_alert_fields: default path_depth to 1 and expose the search filter. The V2 fields endpoint refuses an unbounded walk of the tree (\"root path with path depth greater than 1 is not supported for V2 without a search filter\"), so the bare call returned HTTP 400. | 1.1.0 — Add the Alert Triage API (/idr/at): search alerts, get an alert, its evidence, its actors and its process trees, plus the tenant's alert field catalogue. These carry the detection content the investigation endpoints do not — MITRE T-codes, matched rule keys, assets and accounts, command lines. MDR-gated. | 1.0.0 — Initial release: investigation ingestion (list_investigations) with an exhaustive OCSF mapper, 18 commands across investigations, alerts, custom threats, logs/LEQL search and users. API v1/v2 selectable per instance and per command."
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changelog: "1.4.0 — Add get_investigations_full: the investigation with its alerts inlined, so it stays the unit that becomes an incident. Drop-in for list_investigations (results_path data, dedup rrn). | 1.3.0 — Add search_investigation_alerts: ingest only the alerts that belong to an investigation, with their full detection content, in 1+N+1 calls. Filtering search_alerts on investigation_rrn does not work — the term is accepted and silently matches nothing. | 1.2.1 — search_alerts: report a malformed terms_json with the input named and echoed, instead of json's bare \"Expecting value: line 1 column 1\". | 1.2.0 — Add the search_alerts OCSF mapper: rule_keys_of_interest carries the host, the process, its command line, its parent and the file hashes, so an alert-based feed indexes entities where the investigation feed indexed none. Validated against a live ABA alert. | 1.1.1 — list_alert_fields: default path_depth to 1 and expose the search filter. The V2 fields endpoint refuses an unbounded walk of the tree (\"root path with path depth greater than 1 is not supported for V2 without a search filter\"), so the bare call returned HTTP 400. | 1.1.0 — Add the Alert Triage API (/idr/at): search alerts, get an alert, its evidence, its actors and its process trees, plus the tenant's alert field catalogue. These carry the detection content the investigation endpoints do not — MITRE T-codes, matched rule keys, assets and accounts, command lines. MDR-gated. | 1.0.0 — Initial release: investigation ingestion (list_investigations) with an exhaustive OCSF mapper, 18 commands across investigations, alerts, custom threats, logs/LEQL search and users. API v1/v2 selectable per instance and per command."
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category: siem
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# Per-instance configuration. The Insight platform region selects the API host
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@@ -439,6 +439,30 @@ commands:
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dedup_key: rrn
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incremental_field: start_time
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- id: get_investigations_full
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name: rapid7-insight-idr-get-investigations-full
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description: "Ingestion: investigations with their alerts inlined, so the INVESTIGATION stays the unit that becomes an incident. Walks the investigations in a time window, collects their alert RRNs and retrieves the alerts in batches from the Alert Triage API, then nests them under `alerts` with a few first-alert values lifted to the top level. Results path = data, dedup on rrn, incremental on start_time — a drop-in replacement for list_investigations, which carries no host, process or MITRE code. Use the get_investigations_full mapper."
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risk: read
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inputs_schema:
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properties:
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start_time: { type: string, description: "ISO-8601 lower bound on investigation created_time. Incremental fetch watermark." }
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end_time: { type: string, description: "ISO-8601 upper bound on investigation created_time" }
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default_days: { type: string, description: "Window size in days used when start_time is absent (default 1)" }
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statuses: { type: string, description: "Comma-separated investigation statuses to include (open, investigating, closed). Leaving out closed skips what the source has already triaged." }
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priorities: { type: string, description: "Comma-separated investigation priorities to include (Unspecified, Low, Medium, High, Critical)" }
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field_ids: { type: string, description: "Comma-separated additional alert field ids to include (see rapid7-insight-idr-list-alert-fields)" }
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max_alerts: { type: string, description: "Ceiling on alert RRNs collected in one run (default 500)" }
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time_budget_seconds: { type: string, description: "Stop walking investigations after this many seconds and report truncated=true, rather than exceed the server's 90-second command budget and lose the whole run (default 60)" }
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index: { type: string, description: "0-based page index" }
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page_size: { type: string, description: "Investigation page size" }
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limit: { type: number, description: "Maximum number of investigations to return (default 50)" }
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required: []
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outputs_schema: { properties: {} }
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ingest:
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results_path: data
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dedup_key: rrn
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incremental_field: start_time
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# ── Connectivity test ─────────────────────────────────────────────────────
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- id: test_connection
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name: rapid7-insight-idr-test-connection
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@@ -0,0 +1,124 @@
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name: "Rapid7 InsightIDR Investigations (full) → OCSF"
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description: |
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Maps one Rapid7 investigation fetched with its alerts inlined
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(get_investigations_full, results_path = data) to OCSF finding fields.
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The plain investigation feed cannot carry a detection: idr/v2/investigations answers
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with a title, a priority, a status, an assignee and timestamps, and nothing else. An
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incident built from it indexes zero entities. This mapper reads the same investigation
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plus the alerts the command inlined under `alerts`, where the detection content
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actually lives.
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Investigation values are mapped first and the first alert's equivalents after, so the
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alert wins wherever the container says nothing. `alerts` is empty on an investigation
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whose alerts could not be read (the command sets alerts_error) — every alert path then
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resolves to nothing and is skipped, and the incident degrades to what the investigation
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alone says rather than failing.
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field_mappings:
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title: "title"
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# toSeverity maps CRITICAL→5, HIGH→4, MEDIUM→3, LOW→2; anything else falls back to the
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# alert rule's default severity.
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severity: "priority"
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source: "source"
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# Rapid7's own triage state. It cannot reach the incident's status and verdict columns
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# — MapFields accepts only title, severity, source, description and custom:* — so it
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# rides as custom fields, where an analyst at least sees that the source already closed
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# this and what it concluded.
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"custom:rapid7_status": "status"
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"custom:rapid7_disposition": "disposition"
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# Rapid7's AI suggestion, exposed as a fact and never as a verdict.
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# first_alert_* are lifted to the top level by the command on purpose: this
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# mapper section resolves dotted paths only and cannot index an array, so
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# `alerts[0].x` here would read as nothing — silently, leaving the custom field
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# empty with no error. The ocsf section below is full JSONata and indexes freely.
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"custom:rapid7_ai_disposition": "first_alert_ai_disposition"
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"custom:rapid7_alert_count": "alert_count"
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"custom:rapid7_log_id": "first_alert_log_id"
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"custom:rapid7_logset_id": "first_alert_logset_id"
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"custom:rapid7_rule_rrn": "first_alert_rule_rrn"
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"custom:rapid7_event_type": "first_alert_event_type"
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ocsf:
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# ── Finding: the investigation ────────────────────────────────────
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- { source_path: "rrn", ocsf_field: "finding_info.uid" }
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- { source_path: "title", ocsf_field: "finding_info.title" }
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- { source_path: "created_time", ocsf_field: "finding_info.created_time" }
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- { source_path: "last_accessed", ocsf_field: "finding_info.modified_time" }
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- { source_path: "first_alert_time", ocsf_field: "finding_info.first_seen_time" }
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- { source_path: "latest_alert_time", ocsf_field: "finding_info.last_seen_time" }
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- { source_path: "tags", ocsf_field: "metadata.labels" }
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- { source_path: "alert_count", ocsf_field: "count" }
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# ── Incident state ────────────────────────────────────────────────
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- { source_path: "status", ocsf_field: "status" }
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- { source_path: "priority", ocsf_field: "priority" }
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- { source_path: "disposition", ocsf_field: "disposition" }
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- { source_path: "source", ocsf_field: "activity_name" }
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- { source_path: "organization_id", ocsf_field: "cloud.org.uid" }
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- { source_path: "assignee.name", ocsf_field: "assignee.name" }
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- { source_path: "assignee.email", ocsf_field: "assignee.email_addr" }
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# ── Detection time: the MTTD anchor ───────────────────────────────
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# Weakest first, strongest last. The investigation is created after the alert that
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# opened it; the alert's own alerted_at is when the event happened in the source system.
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- { source_path: "created_time", ocsf_field: "time" }
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- { source_path: "first_alert_time", ocsf_field: "time" }
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- { source_path: "alerts[0].alerted_at", ocsf_field: "time" }
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# ── The detection rule, from the first alert ──────────────────────
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# `rule.name` is documented but absent from live ABA alerts, so `type` — which repeats
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# the rule's display name — is the honest fallback.
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- { source_path: "alerts[0].type", ocsf_field: "finding_info.analytic.name" }
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- { source_path: "alerts[0].rule.rrn", ocsf_field: "finding_info.analytic.uid" }
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- { source_path: "alerts[0].rule.version_rrn", ocsf_field: "finding_info.analytic.version" }
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- { source_path: "alerts[0].rrn", ocsf_field: "finding_info.uid_alt" }
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# ── Product identity ──────────────────────────────────────────────
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- { source_path: "'Rapid7 InsightIDR'", ocsf_field: "metadata.product.name" }
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- { source_path: "'Rapid7'", ocsf_field: "metadata.product.vendor_name" }
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- { source_path: "alerts[0].external_source", ocsf_field: "metadata.log_source" }
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- { source_path: "alerts[0].triggering_event_type", ocsf_field: "metadata.event_code" }
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- { source_path: "alerts[0].log_details[0].log_entry_id", ocsf_field: "metadata.uid" }
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# ── MITRE ATT&CK ──────────────────────────────────────────────────
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# mitre_tcodes mixes both kinds in one array: "TA0040" is a tactic, "T1490" a technique.
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# Splitting on the "TA" prefix keeps a tactic out of the technique field, where it would
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# name a technique that does not exist.
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- { source_path: "alerts[0].rule.mitre_tcodes[$substring($, 0, 2) = 'TA'][0]", ocsf_field: "attacks.tactic.uid" }
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- { source_path: "alerts[0].rule.mitre_tcodes[$substring($, 0, 2) != 'TA'][0]", ocsf_field: "attacks.technique.uid" }
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# ── The affected host ─────────────────────────────────────────────
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- { source_path: "alerts[0].rule_keys_of_interest[key='hostname'].values[0]", ocsf_field: "device.hostname" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='hostname'].values[0]", ocsf_field: "src_endpoint.hostname" }
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# ── The process the alert is about ────────────────────────────────
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- { source_path: "alerts[0].rule_keys_of_interest[key='process.name'].values[0]", ocsf_field: "process.name" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='process.name'].values[0]", ocsf_field: "process.file.name" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='process.cmd_line'].values[0]", ocsf_field: "process.cmd_line" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='process.exe_path'].values[0]", ocsf_field: "process.file.path" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='process.exe_file.hashes.md5'].values[0]", ocsf_field: "process.file.hashes.md5" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='process.exe_file.hashes.sha256'].values[0]", ocsf_field: "process.file.hashes.sha256" }
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# ── Its parent, which says how it was launched ────────────────────
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- { source_path: "alerts[0].rule_keys_of_interest[key='parent_process.name'].values[0]", ocsf_field: "actor.process.parent_process.name" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='parent_process.cmd_line'].values[0]", ocsf_field: "actor.process.parent_process.cmd_line" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='parent_process.exe_path'].values[0]", ocsf_field: "actor.process.parent_process.file.path" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='parent_process.exe_file.hashes.md5'].values[0]", ocsf_field: "actor.process.parent_process.file.hashes.md5" }
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# ── The acting account ────────────────────────────────────────────
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# This tenant's field catalogue has no canonical user namespace, so an account only
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# appears when a rule names it among its keys of interest. Both spellings are mapped
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# because rules are not consistent about which they emit.
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- { source_path: "alerts[0].rule_keys_of_interest[key='user'].values[0]", ocsf_field: "actor.user.name" }
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- { source_path: "alerts[0].rule_keys_of_interest[key='username'].values[0]", ocsf_field: "actor.user.name" }
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# ── Every alert, not just the first ───────────────────────────────
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# An investigation aggregates alerts, and the fields above only ever read alerts[0].
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# This entry lands the whole set as OCSF-shaped objects, so the host and the process of
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# the SECOND and THIRD alert are indexed as entities too — the extractor walks arrays
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# and classifies on the path's suffix, so `.hostname` under here counts exactly as
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# `device.hostname` does above.
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- source_path: >
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alerts.{
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"uid": rrn,
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"title": title,
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"time": alerted_at,
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"status": status,
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"disposition": disposition,
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"device": { "hostname": rule_keys_of_interest[key='hostname'].values[0] },
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"process": {
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"name": rule_keys_of_interest[key='process.name'].values[0],
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"cmd_line": rule_keys_of_interest[key='process.cmd_line'].values[0]
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},
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"attacks": { "technique": { "uid": rule.mitre_tcodes[$substring($, 0, 2) != 'TA'][0] } }
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}
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ocsf_field: "evidences"
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@@ -0,0 +1,189 @@
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import json, os, sys, urllib.request, urllib.parse, urllib.error
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# The Alert Triage API lives under /idr/at, a base of its own — not /idr/v1 or
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# /idr/v2 like the investigation endpoints. Same host, same API key.
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AT = "idr/at/"
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def _cfg():
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s = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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region = str(s.get("region") or "us").strip().lower()
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base = "https://" + region + ".api.insight.rapid7.com/"
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headers = {"X-Api-Key": s.get("api_key", ""), "Content-Type": "application/json", "Accept": "application/json"}
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multi = str(s.get("is_multi_customer") or "").strip().lower() in ("1", "true", "yes")
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return base, headers, multi
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def _inputs():
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return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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def _list(v):
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if v in (None, ""):
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return []
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if isinstance(v, list):
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return [str(x).strip() for x in v if str(x).strip()]
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return [p.strip() for p in str(v).split(",") if p.strip()]
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def request(method, path, params=None, body=None):
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base, headers, _ = _cfg()
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url = base + path.lstrip("/")
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if params:
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clean = {k: v for k, v in params.items() if v not in (None, "")}
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if clean:
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url += ("&" if "?" in url else "?") + urllib.parse.urlencode(clean, doseq=True)
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data = json.dumps(body).encode("utf-8") if body is not None else None
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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with urllib.request.urlopen(req, timeout=90) as r:
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raw = r.read()
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return json.loads(raw) if raw else {}
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import time
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from datetime import datetime, timedelta, timezone
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ISO = "%Y-%m-%dT%H:%M:%SZ"
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RRN_BATCH = 100
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DEFAULT_BUDGET_S = 60
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# idr/v2/investigations answers with 13 fields, three of them null: a title, a
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# priority, a status, an assignee and timestamps. No host, no account, no
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# process, no MITRE code — and not one of the alerts the investigation
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# aggregates. An incident built from it indexes zero entities, so it cannot be
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# pivoted on, cannot be correlated, and gives an analyst nothing to read.
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#
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# The detection content is two hops away: the investigation's alert list gives
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# RRNs, and the Alert Triage API turns those into alerts carrying
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# rule_keys_of_interest (the host, the process, its command line, its parent,
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# the hashes) and rule.mitre_tcodes. This command walks both hops and returns
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# the investigation with its alerts inlined, so the INVESTIGATION stays the unit
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# that becomes an incident — results_path = data, dedup on rrn, exactly as the
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# plain investigation feed. Only the command changes.
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def run():
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_, _, multi = _cfg()
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inp = _inputs()
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limit = int(inp.get("limit") or 50)
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max_alerts = int(inp.get("max_alerts") or 500)
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budget = float(inp.get("time_budget_seconds") or DEFAULT_BUDGET_S)
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started = time.monotonic()
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start_time = inp.get("start_time")
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if not start_time:
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days = int(inp.get("default_days") or 1)
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start_time = (datetime.now(timezone.utc) - timedelta(days=days)).strftime(ISO)
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inv_page = request("GET", "idr/v2/investigations", params={
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"index": inp.get("index") or "0",
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"size": inp.get("page_size") or limit,
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"statuses": inp.get("statuses"),
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"priorities": inp.get("priorities"),
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"start_time": start_time,
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"end_time": inp.get("end_time"),
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"sort_field": "Created time",
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"sort_direction": "ASC",
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"multi-customer": "true" if multi else None,
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})
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investigations = (inv_page.get("data") or [])[:limit]
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# Alert RRNs per investigation. One call each — there is no bulk form — so
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# this is the step that grows with the window, and the one the time budget
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# guards. An investigation whose alerts cannot be read keeps its place in the
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# output with an alerts_error: losing the whole run over one of them, or
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# dropping it silently, would both be worse.
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rrns_by_inv, order, truncated = {}, [], False
|
||||
for inv in investigations:
|
||||
inv_rrn = inv.get("rrn") or ""
|
||||
if not inv_rrn:
|
||||
continue
|
||||
if time.monotonic() - started > budget or len(order) >= max_alerts:
|
||||
truncated = True
|
||||
break
|
||||
try:
|
||||
page = request("GET", "idr/v2/investigations/" + urllib.parse.quote(inv_rrn, safe="") + "/alerts",
|
||||
params={"multi-customer": "true" if multi else None})
|
||||
except urllib.error.HTTPError as e:
|
||||
inv["alerts_error"] = "HTTP " + str(e.code)
|
||||
continue
|
||||
got = []
|
||||
for a in (page.get("data") or []):
|
||||
rrn = a.get("id") or a.get("rrn")
|
||||
if rrn:
|
||||
got.append(rrn)
|
||||
if rrn not in order:
|
||||
order.append(rrn)
|
||||
rrns_by_inv[inv_rrn] = got
|
||||
|
||||
# The alerts themselves, batched, then indexed so each investigation can be
|
||||
# handed its own.
|
||||
field_ids = _list(inp.get("field_ids"))
|
||||
by_rrn = {}
|
||||
for i in range(0, len(order), RRN_BATCH):
|
||||
body = {"rrns": order[i:i + RRN_BATCH]}
|
||||
if field_ids:
|
||||
body["field_ids"] = field_ids
|
||||
out = request("POST", AT + "alerts/ops/rrns", body=body)
|
||||
for a in (out.get("alerts") or []):
|
||||
if a.get("rrn"):
|
||||
by_rrn[a["rrn"]] = a
|
||||
|
||||
fetched = 0
|
||||
for inv in investigations:
|
||||
rrns = rrns_by_inv.get(inv.get("rrn") or "", [])
|
||||
alerts = [by_rrn[r] for r in rrns if r in by_rrn]
|
||||
inv["alerts"] = alerts
|
||||
inv["alert_count"] = len(rrns)
|
||||
# Say it when the alert list is a sample: alert_count is what the
|
||||
# investigation actually has, len(alerts) what this run retrieved.
|
||||
if len(alerts) < len(rrns):
|
||||
inv["alerts_truncated"] = True
|
||||
fetched += len(alerts)
|
||||
# Lift a few first-alert values to the top level. The incident-field
|
||||
# mapper resolves dotted paths only — it cannot index an array — so
|
||||
# `alerts[0].ai_suggested_disposition` in a field_mappings entry reads as
|
||||
# nothing, silently, and the custom field arrives empty with no error
|
||||
# anywhere. The OCSF entries are evaluated by full JSONata and do not
|
||||
# need this; only field_mappings does.
|
||||
if alerts:
|
||||
a = alerts[0]
|
||||
log = (a.get("log_details") or [{}])[0]
|
||||
inv.update({
|
||||
"first_alert_rrn": a.get("rrn"),
|
||||
"first_alert_type": a.get("type"),
|
||||
"first_alert_source": a.get("external_source"),
|
||||
"first_alert_status": a.get("status"),
|
||||
"first_alert_disposition": a.get("disposition"),
|
||||
"first_alert_ai_disposition": a.get("ai_suggested_disposition"),
|
||||
"first_alert_event_type": a.get("triggering_event_type"),
|
||||
"first_alert_rule_rrn": (a.get("rule") or {}).get("rrn"),
|
||||
"first_alert_log_id": log.get("log_id"),
|
||||
"first_alert_logset_id": log.get("logset_id"),
|
||||
"first_alert_log_entry_id": log.get("log_entry_id"),
|
||||
})
|
||||
|
||||
print(json.dumps({
|
||||
"data": investigations,
|
||||
"metadata": {
|
||||
"investigations_returned": len(investigations),
|
||||
"alert_rrns_collected": len(order),
|
||||
"alerts_fetched": fetched,
|
||||
"truncated": truncated,
|
||||
"elapsed_seconds": round(time.monotonic() - started, 1),
|
||||
},
|
||||
}))
|
||||
|
||||
|
||||
try:
|
||||
run()
|
||||
except urllib.error.HTTPError as e:
|
||||
detail = e.read().decode("utf-8", "replace")
|
||||
if e.code in (401, 403):
|
||||
detail += (" — the Alert Triage API (/idr/at) is only available to Managed Detection and"
|
||||
" Response customers with access to the Alerts experience; a key that works on"
|
||||
" the investigation endpoints can still be refused here")
|
||||
print(json.dumps({"error": "HTTP " + str(e.code), "detail": detail}))
|
||||
sys.exit(1)
|
||||
except Exception as e:
|
||||
print(json.dumps({"error": str(e)}))
|
||||
sys.exit(1)
|
||||
Reference in New Issue
Block a user