MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Impact |
Rule body
id: fd6e3416-0421-4166-adb9-186e555a7008
name: Claroty - Asset Down
description: |
'Triggers asset is down.'
severity: High
status: Available
requiredDataConnectors:
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- Impact
relevantTechniques:
- T1529
query: |
ClarotyEvent
| where EventOriginalType has 'Asset Down' or EventType has 'Asset Down'
| project TimeGenerated, DstIpAddr
| extend IPCustomEntity = DstIpAddr
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
version: 1.0.3
kind: Scheduled
Stages and Predicates
Stage 1: source
ClarotyEvent
Stage 2: where
| where EventOriginalType has 'Asset Down' or EventType has 'Asset Down'
Stage 3: project
| project TimeGenerated, DstIpAddr
Stage 4: extend
| extend IPCustomEntity = DstIpAddr
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
EventOriginalType | match |
| field:"EventOriginalType" kind:match value:"Asset Down" |
EventType | match |
| field:"EventType" kind:match value:"Asset Down" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
DstIpAddr | project |
TimeGenerated | project |
IPCustomEntity | extend |