Mimecast Secure Email Gateway - URL Protect

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Id	80f244cd-b0d6-404e-9aed-37f7a66eda9f
Rulename	Mimecast Secure Email Gateway - URL Protect
Description	Detect threat when potentially malicious url found.
Severity	High
Tactics	InitialAccess Discovery Execution
Techniques	T1566
Required data connectors	MimecastSEGAPI
Kind	Scheduled
Query frequency	15m
Query period	15m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastSEG/MimecastCG_Url_Protect.yaml
Version	1.0.0
Arm template	80f244cd-b0d6-404e-9aed-37f7a66eda9f.json

KQL

MimecastCG
| where Type == "email_ttp_url"
| extend  SenderEnvelope = ['Sender Envelope']

YAML

queryPeriod: 15m
query: |
  MimecastCG
  | where Type == "email_ttp_url"
  | extend  SenderEnvelope = ['Sender Envelope']  
enabled: true
name: Mimecast Secure Email Gateway - URL Protect
entityMappings:
- fieldMappings:
  - columnName: SenderEnvelope
    identifier: Sender
  - columnName: Recipients
    identifier: Recipient
  - columnName: Subject
    identifier: Subject
  entityType: MailMessage
suppressionDuration: 5h
queryFrequency: 15m
suppressionEnabled: false
description: |
    'Detect threat when potentially malicious url found.'
kind: Scheduled
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: P7D
    reopenClosedIncident: false
    matchingMethod: AllEntities
    enabled: true
  createIncident: true
version: 1.0.0
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastSEG/MimecastCG_Url_Protect.yaml
status: Available
severity: High
requiredDataConnectors:
- connectorId: MimecastSEGAPI
  dataTypes:
  - MimecastCG
triggerOperator: gt
triggerThreshold: 0
tactics:
- InitialAccess
- Discovery
- Execution
id: 80f244cd-b0d6-404e-9aed-37f7a66eda9f
relevantTechniques:
- T1566

ARM