1Password - User account MFA settings changed

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Id	3c8140eb-e946-4bf2-8c61-03e4df56d400
Rulename	1Password - User account MFA settings changed
Description	This will alert when a user creates, updates, or disables the user account MFA settings. Once this analytics rule is triggered it will group all related future alerts for upto an hour when all related entities are the same. Ref: https://1password.com/ Ref: https://github.com/securehats/
Severity	Medium
Tactics	Persistence DefenseEvasion
Techniques	T1556
Required data connectors	1Password
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - User account MFA settings changed.yaml
Version	1.0.0
Arm template	3c8140eb-e946-4bf2-8c61-03e4df56d400.json

KQL

OnePasswordEventLogs_CL
| where log_source == "auditevents"
| where action has_any("enblmfa", "updatmfa", "disblmfa")
| where object_type == "user"
| extend
    ActorUsername = actor_details.email
    , SrcIpAddr = session.ip

YAML

id: 3c8140eb-e946-4bf2-8c61-03e4df56d400
queryFrequency: 30m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - User account MFA settings changed.yaml
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: 1h
    enabled: true
    matchingMethod: AllEntities
    reopenClosedIncident: false
  createIncident: true
tactics:
- Persistence
- DefenseEvasion
eventGroupingSettings:
  aggregationKind: SingleAlert
name: 1Password - User account MFA settings changed
triggerThreshold: 0
relevantTechniques:
- T1556
kind: Scheduled
requiredDataConnectors:
- connectorId: 1Password
  dataTypes:
  - OnePasswordEventLogs_CL
queryPeriod: 30m
query: |-
  OnePasswordEventLogs_CL
  | where log_source == "auditevents"
  | where action has_any("enblmfa", "updatmfa", "disblmfa")
  | where object_type == "user"
  | extend
      ActorUsername = actor_details.email
      , SrcIpAddr = session.ip  
suppressionDuration: 5h
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: ActorUsername
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
  entityType: IP
version: 1.0.0
description: |-
  This will alert when a user creates, updates, or disables the user account MFA settings. Once this analytics rule is triggered it will group all related future alerts for upto an hour when all related entities are the same.

  Ref: https://1password.com/
  Ref: https://github.com/securehats/  
triggerOperator: gt
severity: Medium
suppressionEnabled: false

ARM