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

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

ARM