Detection rules › Kusto

Claroty - Asset Down

Status
available
Severity
high
Time window
1h
Source
github.com/Azure/Azure-Sentinel

'Triggers asset is down.'

MITRE ATT&CK coverage

TacticTechniques
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.

Output fields

These fields are emitted when the rule matches.

FieldSource
DstIpAddrproject
TimeGeneratedproject
IPCustomEntityextend