Guillaume BOURGEOIS
79 lines
7.3 KiB
YAML
79 lines
7.3 KiB
YAML
name: "SentinelOne Alerts → OCSF"
|
|
description: "Exhaustive map of a SentinelOne v2.1 cloud-detection alert object (data[]) to OCSF. Initiating (source) process = actor (actor.*); the process/file acted upon = target (process.*/file.*); registry, network, indicators and container included."
|
|
field_mappings:
|
|
title: "ruleInfo.name"
|
|
severity: "ruleInfo.severity = 'Critical' ? 5 : (ruleInfo.severity = 'High' ? 4 : 3)"
|
|
description: "alertInfo.eventType"
|
|
# source_path is JSONata over ONE alert object (alert rule results_path = data).
|
|
# Paths absent from a given alert are skipped at ingestion, so extra entries are safe.
|
|
ocsf:
|
|
# ── Endpoint / device ─────────────────────────────────────────────
|
|
- { source_path: "agentDetectionInfo.name", ocsf_field: "src_endpoint.hostname" }
|
|
- { source_path: "agentDetectionInfo.osName", ocsf_field: "src_endpoint.os.name" }
|
|
- { source_path: "agentDetectionInfo.osFamily", ocsf_field: "src_endpoint.os.type" }
|
|
- { source_path: "agentDetectionInfo.osRevision", ocsf_field: "device.os.build" }
|
|
- { source_path: "agentDetectionInfo.uuid", ocsf_field: "device.uid" }
|
|
- { source_path: "agentDetectionInfo.machineType", ocsf_field: "device.type" }
|
|
- { source_path: "agentDetectionInfo.version", ocsf_field: "metadata.product.version" }
|
|
- { source_path: "agentDetectionInfo.accountId", ocsf_field: "cloud.account.uid" }
|
|
# ── Network (alertInfo) ───────────────────────────────────────────
|
|
- { source_path: "alertInfo.srcIp", ocsf_field: "src_endpoint.ip" }
|
|
- { source_path: "alertInfo.dstIp", ocsf_field: "dst_endpoint.ip" }
|
|
- { source_path: "alertInfo.dstPort", ocsf_field: "dst_endpoint.port" }
|
|
- { source_path: "alertInfo.netEventDirection", ocsf_field: "connection_info.direction" }
|
|
- { source_path: "alertInfo.dnsRequest", ocsf_field: "dns_query.hostname" }
|
|
# ── Affected login user (alertInfo) ───────────────────────────────
|
|
- { source_path: "alertInfo.loginsUserName", ocsf_field: "user.name" }
|
|
- { source_path: "alertInfo.loginAccountDomain", ocsf_field: "user.domain" }
|
|
- { source_path: "alertInfo.loginAccountSid", ocsf_field: "user.uid" }
|
|
# ── Rule / finding ────────────────────────────────────────────────
|
|
- { source_path: "ruleInfo.name", ocsf_field: "rule.name" }
|
|
- { source_path: "ruleInfo.id", ocsf_field: "rule.uid" }
|
|
- { source_path: "ruleInfo.description", ocsf_field: "rule.desc" }
|
|
- { source_path: "alertInfo.alertId", ocsf_field: "finding_info.uid" }
|
|
- { source_path: "alertInfo.dvEventId", ocsf_field: "metadata.original_event_uid" }
|
|
- { source_path: "alertInfo.createdAt", ocsf_field: "finding_info.created_time" }
|
|
- { source_path: "alertInfo.updatedAt", ocsf_field: "finding_info.modified_time" }
|
|
- { source_path: "alertInfo.hitType", ocsf_field: "finding_info.analytic.type" }
|
|
- { source_path: "alertInfo.incidentStatus", ocsf_field: "status" }
|
|
- { source_path: "alertInfo.analystVerdict", ocsf_field: "status_detail" }
|
|
# ── Threat-intel indicator (observables) ──────────────────────────
|
|
- { source_path: "alertInfo.indicatorName", ocsf_field: "observables.name" }
|
|
- { source_path: "alertInfo.indicatorCategory", ocsf_field: "observables.type" }
|
|
- { source_path: "alertInfo.tiIndicatorValue", ocsf_field: "observables.value" }
|
|
# ── Registry (alertInfo) ──────────────────────────────────────────
|
|
- { source_path: "alertInfo.registryPath", ocsf_field: "reg_key.path" }
|
|
- { source_path: "alertInfo.registryValue", ocsf_field: "reg_value.data" }
|
|
# ── Initiating (source) process — the actor ───────────────────────
|
|
- { source_path: "sourceProcessInfo.name", ocsf_field: "actor.process.name" }
|
|
- { source_path: "sourceProcessInfo.pid", ocsf_field: "actor.process.pid" }
|
|
- { source_path: "sourceProcessInfo.filePath", ocsf_field: "actor.process.file.path" }
|
|
- { source_path: "sourceProcessInfo.commandline", ocsf_field: "actor.process.cmd_line" }
|
|
- { source_path: "sourceProcessInfo.user", ocsf_field: "actor.user.name" }
|
|
- { source_path: "sourceProcessInfo.integrityLevel", ocsf_field: "actor.process.integrity" }
|
|
- { source_path: "sourceProcessInfo.fileHashSha256", ocsf_field: "actor.process.file.hashes.sha256" }
|
|
- { source_path: "sourceProcessInfo.fileHashSha1", ocsf_field: "actor.process.file.hashes.sha1" }
|
|
- { source_path: "sourceProcessInfo.fileHashMd5", ocsf_field: "actor.process.file.hashes.md5" }
|
|
# ── Parent of the source process ──────────────────────────────────
|
|
- { source_path: "sourceParentProcessInfo.name", ocsf_field: "actor.process.parent_process.name" }
|
|
- { source_path: "sourceParentProcessInfo.pid", ocsf_field: "actor.process.parent_process.pid" }
|
|
- { source_path: "sourceParentProcessInfo.commandline", ocsf_field: "actor.process.parent_process.cmd_line" }
|
|
# ── Target process — the process acted upon ───────────────────────
|
|
- { source_path: "targetProcessInfo.tgtProcName", ocsf_field: "process.name" }
|
|
- { source_path: "targetProcessInfo.tgtProcPid", ocsf_field: "process.pid" }
|
|
- { source_path: "targetProcessInfo.tgtProcCmdLine", ocsf_field: "process.cmd_line" }
|
|
- { source_path: "targetProcessInfo.tgtProcImagePath", ocsf_field: "process.file.path" }
|
|
- { source_path: "targetProcessInfo.tgtProcUid", ocsf_field: "process.uid" }
|
|
- { source_path: "targetProcessInfo.tgtProcIntegrityLevel", ocsf_field: "process.integrity" }
|
|
# ── Target file — the file acted upon ─────────────────────────────
|
|
- { source_path: "targetProcessInfo.tgtFilePath", ocsf_field: "file.path" }
|
|
- { source_path: "targetProcessInfo.tgtFileId", ocsf_field: "file.uid" }
|
|
- { source_path: "targetProcessInfo.tgtFileHashSha256", ocsf_field: "file.hashes.sha256" }
|
|
- { source_path: "targetProcessInfo.tgtFileHashSha1", ocsf_field: "file.hashes.sha1" }
|
|
- { source_path: "targetProcessInfo.tgtFileCreatedAt", ocsf_field: "file.created_time" }
|
|
- { source_path: "targetProcessInfo.tgtFileModifiedAt", ocsf_field: "file.modified_time" }
|
|
# ── Container ─────────────────────────────────────────────────────
|
|
- { source_path: "containerInfo.name", ocsf_field: "container.name" }
|
|
- { source_path: "containerInfo.id", ocsf_field: "container.uid" }
|
|
- { source_path: "containerInfo.image", ocsf_field: "container.image.name" }
|