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