Mimecast Data Leak Prevention - Notifications

Back


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

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

ARM