Mimecast Secure Email Gateway - Virus

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Id	d78d7352-fa5a-47d4-b48f-cb2c3252c0eb
Rulename	Mimecast Secure Email Gateway - Virus
Description	Detect threat for virus from mail receipt virus event.
Severity	Informational
Tactics	Execution
Techniques	T1053
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_Virus.yaml
Version	1.0.0
Arm template	d78d7352-fa5a-47d4-b48f-cb2c3252c0eb.json

KQL

MimecastCG
| where Type == "email_receipt" and isnotempty(['Virus Found'])
| extend  SenderEnvelope = ['Sender Envelope']

YAML

suppressionEnabled: false
description: |
    'Detect threat for virus from mail receipt virus event.'
kind: Scheduled
tactics:
- Execution
requiredDataConnectors:
- connectorId: MimecastSEGAPI
  dataTypes:
  - MimecastCG
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    lookbackDuration: P7D
    enabled: true
    matchingMethod: AllEntities
  createIncident: true
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Mimecast/Analytic Rules/MimecastSEG/MimecastCG_Virus.yaml
severity: Informational
name: Mimecast Secure Email Gateway - Virus
suppressionDuration: 5h
triggerThreshold: 0
queryPeriod: 15m
query: |
  MimecastCG
  | where Type == "email_receipt" and isnotempty(['Virus Found'])
  | extend  SenderEnvelope = ['Sender Envelope']  
relevantTechniques:
- T1053
id: d78d7352-fa5a-47d4-b48f-cb2c3252c0eb
queryFrequency: 15m
enabled: true
status: Available
version: 1.0.0
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- entityType: MailMessage
  fieldMappings:
  - columnName: SenderEnvelope
    identifier: Sender
  - columnName: Recipients
    identifier: Recipient
  - columnName: Subject
    identifier: Subject

ARM