Microsoft Sentinel Analytic Rules
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1Password - User account MFA settings changed

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Id3c8140eb-e946-4bf2-8c61-03e4df56d400
Rulename1Password - User account MFA settings changed
DescriptionThis 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/
SeverityMedium
TacticsPersistence
DefenseEvasion
TechniquesT1556
Required data connectors1Password
KindScheduled
Query frequency30m
Query period30m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - User account MFA settings changed.yaml
Version1.0.0
Arm template3c8140eb-e946-4bf2-8c61-03e4df56d400.json
Deploy To Azure
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
relevantTechniques:
- T1556
queryPeriod: 30m
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: SingleAlert
version: 1.0.0
suppressionDuration: 5h
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/  
tactics:
- Persistence
- DefenseEvasion
severity: Medium
kind: Scheduled
triggerThreshold: 0
queryFrequency: 30m
requiredDataConnectors:
- dataTypes:
  - OnePasswordEventLogs_CL
  connectorId: 1Password
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: true
    reopenClosedIncident: false
    matchingMethod: AllEntities
    lookbackDuration: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - User account MFA settings changed.yaml
suppressionEnabled: false
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: ActorUsername
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
id: 3c8140eb-e946-4bf2-8c61-03e4df56d400
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  
name: 1Password - User account MFA settings changed