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M2131_AssetStoppedLogging

Description

'This alert is designed to monitor assets within the Maturity Model for Event Log Management (M-21-31) standard. The alert triggers when a monitored asset fails to provide a heartbeat within 24 hours.'
Rule type
Scheduled
Version
1.0.0
Declared status
Available
Query frequency
1d
Query period
14d
Trigger
gt 0

Declared MITRE coverage

KQL query

Original query, unchanged.

let LastHeartbeatTime = Heartbeat
| summarize LastHeartbeat_Time = arg_max(TimeGenerated, *) by ResourceId;
Heartbeat
| where TimeGenerated > ago(14d)
| summarize LastHeartbeat_Hours = datetime_diff("hour",now(), max(TimeGenerated)) by ResourceId
| where ResourceId <> ""
| where ResourceId <> "None"
| join kind=inner (LastHeartbeatTime) on ResourceId
| where LastHeartbeat_Hours > 24
| project LastHeartbeat_Hours, LastHeartbeat_Time, Computer, ComputerIP, Category, OSType, OSName, ResourceId, SubscriptionId, ResourceGroup, RemoteIPCountry 
| sort by LastHeartbeat_Hours desc

Declared entities

AzureResource

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
4be5b645-1d08-49e4-b58d-07294ff19223
Additional source files 2Solutions/MaturityModelForEventLogManagementM2131/Analytic Rules/M2131AssetStoppedLogging.yamlsource ↗Solutions/MaturityModelForEventLogManagementM2131/data/Solution_MaturityModelForEventLogManagementM2131.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.