GWorkspace - An Outbound Relay has been added to a G Suite Domain

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Id	ead87cd6-5da7-11ec-bf63-0242ac130002
Rulename	GWorkspace - An Outbound Relay has been added to a G Suite Domain
Description	Detects outbound relays may be added to collect email.
Severity	Medium
Tactics	Collection
Techniques	T1114
Required data connectors	GoogleWorkspaceReportsAPI
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleWorkspaceReports/Analytic Rules/GWorkspaceOutboundRelayAddedToSuiteDomain.yaml
Version	1.0.1
Arm template	ead87cd6-5da7-11ec-bf63-0242ac130002.json

KQL

GWorkspaceActivityReports
| where EventMessage has "TOGGLE_OUTBOUND_RELAY"
| extend AccountCustomEntity = ActorEmail

YAML

name: GWorkspace - An Outbound Relay has been added to a G Suite Domain
relevantTechniques:
- T1114
id: ead87cd6-5da7-11ec-bf63-0242ac130002
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleWorkspaceReports/Analytic Rules/GWorkspaceOutboundRelayAddedToSuiteDomain.yaml
requiredDataConnectors:
- dataTypes:
  - GWorkspaceActivityReports
  connectorId: GoogleWorkspaceReportsAPI
version: 1.0.1
severity: Medium
triggerThreshold: 0
queryPeriod: 1h
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
  entityType: Account
queryFrequency: 1h
status: Available
query: |
  GWorkspaceActivityReports
  | where EventMessage has "TOGGLE_OUTBOUND_RELAY"
  | extend AccountCustomEntity = ActorEmail  
tactics:
- Collection
kind: Scheduled
description: |
    'Detects outbound relays may be added to collect email.'
triggerOperator: gt

ARM