Claroty - Asset Down

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Id	fd6e3416-0421-4166-adb9-186e555a7008
Rulename	Claroty - Asset Down
Description	Triggers asset is down.
Severity	High
Tactics	Impact
Techniques	T1529
Required data connectors	CefAma
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyAssetDown.yaml
Version	1.0.3
Arm template	fd6e3416-0421-4166-adb9-186e555a7008.json

KQL

ClarotyEvent
| where EventOriginalType has 'Asset Down' or EventType has 'Asset Down'
| project TimeGenerated, DstIpAddr
| extend IPCustomEntity = DstIpAddr

YAML

relevantTechniques:
- T1529
queryPeriod: 1h
triggerOperator: gt
version: 1.0.3
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyAssetDown.yaml
description: |
    'Triggers asset is down.'
tactics:
- Impact
severity: High
status: Available
kind: Scheduled
triggerThreshold: 0
queryFrequency: 1h
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
id: fd6e3416-0421-4166-adb9-186e555a7008
query: |
  ClarotyEvent
  | where EventOriginalType has 'Asset Down' or EventType has 'Asset Down'
  | project TimeGenerated, DstIpAddr
  | extend IPCustomEntity = DstIpAddr  
name: Claroty - Asset Down

ARM