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

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

ARM