Microsoft Sentinel Analytic Rules
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1Password - Disable MFA factor or type for all user accounts

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Id92ab0938-1e7c-4671-9810-392e8b9714da
Rulename1Password - Disable MFA factor or type for all user accounts
DescriptionThis will alert when the MFA factor or type for all user accounts are disabled. 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/
SeverityHigh
TacticsDefenseEvasion
TechniquesT1556
Required data connectors1Password
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Disable MFA factor or type for all user accounts.yaml
Version1.0.0
Arm template92ab0938-1e7c-4671-9810-392e8b9714da.json
Deploy To Azure
OnePasswordEventLogs_CL
| where log_source == "auditevents"
| where action == "disblmfa"
| where object_type == "account"
| extend
    ActorUsername = actor_details.email
    , SrcIpAddr = session.ip
query: |-
  OnePasswordEventLogs_CL
  | where log_source == "auditevents"
  | where action == "disblmfa"
  | where object_type == "account"
  | extend
      ActorUsername = actor_details.email
      , SrcIpAddr = session.ip  
queryFrequency: 5m
suppressionEnabled: false
queryPeriod: 5m
triggerOperator: gt
suppressionDuration: 5h
eventGroupingSettings:
  aggregationKind: SingleAlert
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Disable MFA factor or type for all user accounts.yaml
description: |-
  This will alert when the MFA factor or type for all user accounts are disabled. 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:
- DefenseEvasion
triggerThreshold: 0
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: ActorUsername
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
requiredDataConnectors:
- connectorId: 1Password
  dataTypes:
  - OnePasswordEventLogs_CL
kind: Scheduled
relevantTechniques:
- T1556
version: 1.0.0
incidentConfiguration:
  groupingConfiguration:
    matchingMethod: AllEntities
    reopenClosedIncident: false
    lookbackDuration: 1h
    enabled: true
  createIncident: true
name: 1Password - Disable MFA factor or type for all user accounts
id: 92ab0938-1e7c-4671-9810-392e8b9714da
severity: High