Elastic low deprecated kql

Unusual Discovery Signal Alert with Unusual Process Command Line

This rule leverages alert data from various Discovery building block rules to alert on signals with unusual unique host.id, user.id and process.command_line entries.

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Detection Logic

host.os.type:windows and event.kind:signal and kibana.alert.rule.rule_id:(
  "d68e95ad-1c82-4074-a12a-125fe10ac8ba" or "7b8bfc26-81d2-435e-965c-d722ee397ef1" or
  "0635c542-1b96-4335-9b47-126582d2c19a" or "6ea55c81-e2ba-42f2-a134-bccf857ba922" or
  "e0881d20-54ac-457f-8733-fe0bc5d44c55" or "06568a02-af29-4f20-929c-f3af281e41aa" or
  "c4e9ed3e-55a2-4309-a012-bc3c78dad10a" or "51176ed2-2d90-49f2-9f3d-17196428b169"
)

Field Validations

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