Mimecast Secure Email Gateway - Virus

Back


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

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

ARM