MimecastDLP
| where Action == "hold"
| extend SenderAddress = ['Sender Address'] ,RecipientAddress = ['Recipient Address']
entityMappings:
- fieldMappings:
- columnName: SenderAddress
identifier: Sender
- columnName: RecipientAddress
identifier: Recipient
- columnName: Action
identifier: DeliveryAction
entityType: MailMessage
triggerOperator: gt
tactics:
- Exfiltration
incidentConfiguration:
createIncident: true
groupingConfiguration:
reopenClosedIncident: false
matchingMethod: AllEntities
lookbackDuration: P7D
enabled: true
suppressionDuration: 5h
eventGroupingSettings:
aggregationKind: SingleAlert
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastSEG/MimecastDLP_hold.yaml
version: 1.0.0
triggerThreshold: 0
relevantTechniques:
- T1030
queryPeriod: 15m
query: |
MimecastDLP
| where Action == "hold"
| extend SenderAddress = ['Sender Address'] ,RecipientAddress = ['Recipient Address']
severity: Informational
kind: Scheduled
enabled: true
name: Mimecast Data Leak Prevention - Hold
queryFrequency: 15m
id: 8e52bcf1-4f50-4c39-8678-d9efad64e379
description: Detects threat for data leak when action is hold
suppressionEnabled: false
requiredDataConnectors:
- dataTypes:
- MimecastDLP
connectorId: MimecastSEGAPI