Guillaume BOURGEOIS
46 lines
3.5 KiB
YAML
46 lines
3.5 KiB
YAML
name: "SentinelOne Alerts → OCSF"
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description: "Maps a SentinelOne v2.1 cloud-detection alert object (data[]) to OCSF. The initiating (source) process is the actor (actor.*); the process/file acted upon is the target (process.*/file.*)."
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field_mappings:
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title: "ruleInfo.name"
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severity: "ruleInfo.severity = 'Critical' ? 5 : (ruleInfo.severity = 'High' ? 4 : 3)"
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description: "alertInfo.eventType"
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# source_path is evaluated against ONE alert object (alert rule results_path = data).
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# Paths absent from a given alert are skipped at ingestion, so extra entries are safe.
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ocsf:
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# Endpoint
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- { source_path: "agentDetectionInfo.name", ocsf_field: "src_endpoint.hostname" }
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- { source_path: "agentDetectionInfo.osName", ocsf_field: "src_endpoint.os.name" }
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- { source_path: "agentDetectionInfo.osRevision", ocsf_field: "device.os.build" }
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- { source_path: "agentDetectionInfo.uuid", ocsf_field: "device.uid" }
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# Rule / finding
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- { source_path: "ruleInfo.name", ocsf_field: "rule.name" }
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- { source_path: "ruleInfo.id", ocsf_field: "rule.uid" }
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- { source_path: "ruleInfo.description", ocsf_field: "rule.desc" }
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- { source_path: "alertInfo.alertId", ocsf_field: "finding_info.uid" }
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- { source_path: "alertInfo.dvEventId", ocsf_field: "metadata.original_event_uid" }
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# Initiating (source) process — the actor
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- { source_path: "sourceProcessInfo.name", ocsf_field: "actor.process.name" }
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- { source_path: "sourceProcessInfo.pid", ocsf_field: "actor.process.pid" }
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- { source_path: "sourceProcessInfo.filePath", ocsf_field: "actor.process.file.path" }
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- { source_path: "sourceProcessInfo.commandline", ocsf_field: "actor.process.cmd_line" }
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- { source_path: "sourceProcessInfo.user", ocsf_field: "actor.user.name" }
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- { source_path: "sourceProcessInfo.integrityLevel", ocsf_field: "actor.process.integrity" }
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- { source_path: "sourceProcessInfo.fileHashSha256", ocsf_field: "actor.process.file.hashes.sha256" }
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- { source_path: "sourceProcessInfo.fileHashSha1", ocsf_field: "actor.process.file.hashes.sha1" }
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- { source_path: "sourceProcessInfo.fileHashMd5", ocsf_field: "actor.process.file.hashes.md5" }
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# Parent of the source process
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- { source_path: "sourceParentProcessInfo.name", ocsf_field: "actor.process.parent_process.name" }
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- { source_path: "sourceParentProcessInfo.pid", ocsf_field: "actor.process.parent_process.pid" }
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- { source_path: "sourceParentProcessInfo.commandline", ocsf_field: "actor.process.parent_process.cmd_line" }
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# Target process — the process acted upon
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- { source_path: "targetProcessInfo.tgtProcName", ocsf_field: "process.name" }
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- { source_path: "targetProcessInfo.tgtProcPid", ocsf_field: "process.pid" }
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- { source_path: "targetProcessInfo.tgtProcCmdLine", ocsf_field: "process.cmd_line" }
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- { source_path: "targetProcessInfo.tgtProcImagePath", ocsf_field: "process.file.path" }
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- { source_path: "targetProcessInfo.tgtProcUid", ocsf_field: "process.uid" }
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# Target file — the file acted upon
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- { source_path: "targetProcessInfo.tgtFilePath", ocsf_field: "file.path" }
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- { source_path: "targetProcessInfo.tgtFileId", ocsf_field: "file.uid" }
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- { source_path: "targetProcessInfo.tgtFileHashSha256", ocsf_field: "file.hashes.sha256" }
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- { source_path: "targetProcessInfo.tgtFileHashSha1", ocsf_field: "file.hashes.sha1" }
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