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