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

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

ARM