Hunt for anomalies in Sentinel


Description

The anomalies table contains anomalies generated by the active Anomaly analytics rules in Azure Sentinel. Those anomalies do not trigger a incident by default (at the moment of writing). This query lists the anomalies and the reaons why they are anomalies.

Query · kql

let TimeFrame = 7d;
Anomalies
| where TimeGenerated > ago(TimeFrame)
| extend DetailedResultsKQL = ExtendedLinks[0].DetailBladeInputs
| project-reorder TimeGenerated, Description, UserPrincipalName, RuleName, Tactics, DetailedResultsKQL, Entities
Raw source Hunt for anomalies in Sentinel · KQL
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Published by Bert-JanP/Hunting-Queries-Detection-Rules ↗, licensed under BSD 3-Clause ↗. Reproduced here unmodified.
# Hunt for anomalies in Sentinel

## Query Information

#### Description
The anomalies table contains anomalies generated by the active Anomaly analytics rules in Azure Sentinel. Those anomalies do not trigger a incident by default (at the moment of writing). This query lists the anomalies and the reaons why they are anomalies.

#### References
- https://learn.microsoft.com/en-us/azure/azure-monitor/reference/tables/anomalies

## Sentinel
```KQL
let TimeFrame = 7d;
Anomalies
| where TimeGenerated > ago(TimeFrame)
| extend DetailedResultsKQL = ExtendedLinks[0].DetailBladeInputs
| project-reorder TimeGenerated, Description, UserPrincipalName, RuleName, Tactics, DetailedResultsKQL, Entities
```

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