Microsoft Sentinel Analytic Rules
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Generate alerts based on ExtraHop detections recommended for triage

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Idcd65aebc-7e85-4cbb-9f91-ff0376c5d37d
RulenameGenerate alerts based on ExtraHop detections recommended for triage
DescriptionThis analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage.
SeverityMedium
TacticsPersistence
TechniquesT1546
Required data connectorsExtraHop
KindScheduled
Query frequency15m
Query period15m
Trigger threshold0
Trigger operatorGreaterThan
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml
Version1.0.2
Arm templatecd65aebc-7e85-4cbb-9f91-ff0376c5d37d.json
Deploy To Azure
ExtraHopDetections
| where IsRecommended == true
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml
alertDetailsOverride:
  alertTacticsColumnName: TacticNames
  alertDisplayNameFormat: Alert from {{EventVendor}} for Detection {{Title}}
  alertDynamicProperties:
  - value: Url
    alertProperty: AlertLink
  - value: TechniqueIds
    alertProperty: Techniques
  - value: EventVendor
    alertProperty: ProductName
  alertSeverityColumnName: Severity
  alertDescriptionFormat: Alert from {{EventVendor}} for Detection {{Title}} for Id {{Id}}
query: |
  ExtraHopDetections
  | where IsRecommended == true  
requiredDataConnectors:
- dataTypes:
  - ExtraHopDetections
  connectorId: ExtraHop
incidentConfiguration:
  createIncident: false
tactics:
- Persistence
name: Generate alerts based on ExtraHop detections recommended for triage
relevantTechniques:
- T1546
severity: Medium
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: SourceHostname
  entityType: Host
- fieldMappings:
  - identifier: HostName
    columnName: DestinationHostname
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: SourceIpAddress
  entityType: IP
- fieldMappings:
  - identifier: Address
    columnName: DestinationIpAddress
  entityType: IP
- fieldMappings:
  - identifier: Name
    columnName: SourceUsername
  entityType: Account
- fieldMappings:
  - identifier: Name
    columnName: DestinationUsername
  entityType: Account
kind: Scheduled
queryFrequency: 15m
description: |
    'This analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage.'
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
triggerOperator: GreaterThan
version: 1.0.2
queryPeriod: 15m
id: cd65aebc-7e85-4cbb-9f91-ff0376c5d37d