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
suppressionEnabled: false
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/  
kind: Scheduled
tactics:
- DefenseEvasion
requiredDataConnectors:
- connectorId: 1Password
  dataTypes:
  - OnePasswordEventLogs_CL
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    lookbackDuration: 1h
    enabled: true
    matchingMethod: AllEntities
  createIncident: true
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Disable MFA factor or type for all user accounts.yaml
severity: High
name: 1Password - Disable MFA factor or type for all user accounts
suppressionDuration: 5h
eventGroupingSettings:
  aggregationKind: SingleAlert
triggerThreshold: 0
queryPeriod: 5m
query: |-
  OnePasswordEventLogs_CL
  | where log_source == "auditevents"
  | where action == "disblmfa"
  | where object_type == "account"
  | extend
      ActorUsername = actor_details.email
      , SrcIpAddr = session.ip  
relevantTechniques:
- T1556
id: 92ab0938-1e7c-4671-9810-392e8b9714da
queryFrequency: 5m
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: ActorUsername
    identifier: FullName
- entityType: IP
  fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
triggerOperator: gt
version: 1.0.0