Mimecast Data Leak Prevention - Hold

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Id	3e12b7b1-75e5-497c-ba01-b6cb30b60d7f
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	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_Hold.yaml
Version	1.0.0
Arm template	3e12b7b1-75e5-497c-ba01-b6cb30b60d7f.json

KQL

MimecastDLP_CL| where action_s == "hold";

YAML

suppressionEnabled: false
description: Detects threat for data leak when action is hold
kind: Scheduled
tactics:
- Exfiltration
requiredDataConnectors:
- connectorId: MimecastSIEMAPI
  dataTypes:
  - MimecastDLP_CL
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    lookbackDuration: 1d
    enabled: true
    matchingMethod: AllEntities
  createIncident: true
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastSEG/Analytic Rules/MimecastDLP_Hold.yaml
severity: Informational
name: Mimecast Data Leak Prevention - Hold
suppressionDuration: 5h
triggerThreshold: 0
queryPeriod: 15m
query: MimecastDLP_CL| where action_s == "hold";
relevantTechniques:
- T1030
id: 3e12b7b1-75e5-497c-ba01-b6cb30b60d7f
queryFrequency: 5m
enabled: true
entityMappings:
- entityType: MailMessage
  fieldMappings:
  - columnName: senderAddress_s
    identifier: Sender
  - columnName: recipientAddress_s
    identifier: Recipient
  - columnName: action_s
    identifier: DeliveryAction
version: 1.0.0
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: SingleAlert

ARM