Mimecast Data Leak Prevention - Notifications

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Id	1818aeaa-4cc8-426b-ba54-539de896d299
Rulename	Mimecast Data Leak Prevention - Notifications
Description	Detects threat for data leak when action is notification
Severity	High
Tactics	Exfiltration
Techniques	T1030
Required data connectors	MimecastSIEMAPI
Kind	Scheduled
Query frequency	5m
Query period	15m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastSEG/Analytic Rules/MimecastDLP.yaml
Version	1.0.0
Arm template	1818aeaa-4cc8-426b-ba54-539de896d299.json

KQL

MimecastDLP_CL| where action_s == "notification";

YAML

id: 1818aeaa-4cc8-426b-ba54-539de896d299
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1d
    enabled: true
    matchingMethod: AllEntities
    reopenClosedIncident: false
entityMappings:
- fieldMappings:
  - columnName: senderAddress_s
    identifier: Sender
  - columnName: recipientAddress_s
    identifier: Recipient
  - columnName: action_s
    identifier: DeliveryAction
  entityType: MailMessage
description: Detects threat for data leak when action is notification
eventGroupingSettings:
  aggregationKind: SingleAlert
version: 1.0.0
query: MimecastDLP_CL| where action_s == "notification";
relevantTechniques:
- T1030
queryPeriod: 15m
enabled: true
queryFrequency: 5m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastSEG/Analytic Rules/MimecastDLP.yaml
kind: Scheduled
suppressionDuration: 5h
severity: High
suppressionEnabled: false
triggerThreshold: 0
requiredDataConnectors:
- connectorId: MimecastSIEMAPI
  dataTypes:
  - MimecastDLP_CL
tactics:
- Exfiltration
alertRuleTemplateName: 
name: Mimecast Data Leak Prevention - Notifications
triggerOperator: gt

ARM