name: "CrowdStrike Falcon Alerts → OCSF" description: "Exhaustive map of a CrowdStrike Falcon unified alert (alerts/entities/alerts/v2, results_path = resources) to OCSF. Field paths validated against the Falcon Raptor alert schema. Triggering process = actor (actor.*); detected file = subject (file.*); MITRE under attacks.*." field_mappings: title: "name" severity: "severity_name = 'Critical' ? 5 : (severity_name = 'High' ? 4 : (severity_name = 'Medium' ? 3 : 2))" description: "description" # results_path = resources; source_path is JSONata over ONE alert object. # Paths absent from a given alert are skipped at ingestion, so extra entries are safe. ocsf: # ── Endpoint / device ───────────────────────────────────────────── - { source_path: "device.hostname", ocsf_field: "src_endpoint.hostname" } - { source_path: "device.hostinfo.domain", ocsf_field: "src_endpoint.domain" } - { source_path: "device.external_ip", ocsf_field: "src_endpoint.ip" } - { source_path: "device.local_ip", ocsf_field: "device.ip" } - { source_path: "device.os_version", ocsf_field: "src_endpoint.os.name" } - { source_path: "device.platform_name", ocsf_field: "src_endpoint.os.type" } - { source_path: "device.mac_address", ocsf_field: "src_endpoint.mac" } - { source_path: "device.device_id", ocsf_field: "device.uid" } - { source_path: "device.agent_version", ocsf_field: "metadata.product.version" } - { source_path: "device.cid", ocsf_field: "cloud.account.uid" } # ── Finding / analytic ──────────────────────────────────────────── - { source_path: "composite_id", ocsf_field: "finding_info.uid" } - { source_path: "name", ocsf_field: "finding_info.title" } - { source_path: "description", ocsf_field: "finding_info.desc" } - { source_path: "created_timestamp", ocsf_field: "finding_info.created_time" } - { source_path: "updated_timestamp", ocsf_field: "finding_info.modified_time" } - { source_path: "scenario", ocsf_field: "finding_info.analytic.name" } - { source_path: "pattern_id", ocsf_field: "finding_info.analytic.uid" } - { source_path: "confidence", ocsf_field: "confidence" } - { source_path: "status", ocsf_field: "status" } # ── MITRE ATT&CK ────────────────────────────────────────────────── - { source_path: "tactic", ocsf_field: "attacks.tactic.name" } - { source_path: "tactic_id", ocsf_field: "attacks.tactic.uid" } - { source_path: "technique", ocsf_field: "attacks.technique.name" } - { source_path: "technique_id", ocsf_field: "attacks.technique.uid" } # ── Triggering process — the actor ──────────────────────────────── - { source_path: "filename", ocsf_field: "actor.process.name" } - { source_path: "cmdline", ocsf_field: "actor.process.cmd_line" } - { source_path: "filepath", ocsf_field: "actor.process.file.path" } - { source_path: "sha256", ocsf_field: "actor.process.file.hashes.sha256" } - { source_path: "md5", ocsf_field: "actor.process.file.hashes.md5" } - { source_path: "user_name", ocsf_field: "actor.user.name" } - { source_path: "user_id", ocsf_field: "actor.user.uid" } # ── Parent process ──────────────────────────────────────────────── - { source_path: "parent_details.cmdline", ocsf_field: "actor.process.parent_process.cmd_line" } # ── Detected file — the subject ─────────────────────────────────── - { source_path: "filename", ocsf_field: "file.name" } - { source_path: "filepath", ocsf_field: "file.path" } - { source_path: "sha256", ocsf_field: "file.hashes.sha256" } - { source_path: "md5", ocsf_field: "file.hashes.md5" } - { source_path: "alleged_filetype", ocsf_field: "file.type" } # ── IOC / observable ────────────────────────────────────────────── - { source_path: "ioc_value", ocsf_field: "observables.value" } - { source_path: "ioc_type", ocsf_field: "observables.type" }