Mimecast Data Leak Prevention - Hold

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Id	8e52bcf1-4f50-4c39-8678-d9efad64e379
Rulename	Mimecast Data Leak Prevention - Hold
Description	Detects threat for data leak when action is hold
Severity	Informational
Tactics	Exfiltration
Techniques	T1030
Required data connectors	MimecastSEGAPI
Kind	Scheduled
Query frequency	15m
Query period	15m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastSEG/MimecastDLP_hold.yaml
Version	1.0.0
Arm template	8e52bcf1-4f50-4c39-8678-d9efad64e379.json

KQL

MimecastDLP 
| where Action == "hold"
| extend SenderAddress = ['Sender Address'] ,RecipientAddress = ['Recipient Address']

YAML

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

ARM