Analytic rule catalog
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%20Rules/1Password%20-%20User%20account%20MFA%20settings%20changed.yaml |
| Version | 1.0.0 |
| Arm template | 3c8140eb-e946-4bf2-8c61-03e4df56d400.json |
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
incidentConfiguration:
createIncident: true
groupingConfiguration:
lookbackDuration: 1h
reopenClosedIncident: false
enabled: true
matchingMethod: AllEntities
entityMappings:
- entityType: Account
fieldMappings:
- columnName: ActorUsername
identifier: FullName
- entityType: IP
fieldMappings:
- columnName: SrcIpAddr
identifier: Address
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
suppressionEnabled: false
id: 3c8140eb-e946-4bf2-8c61-03e4df56d400
queryFrequency: 30m
eventGroupingSettings:
aggregationKind: SingleAlert
suppressionDuration: 5h
severity: Medium
relevantTechniques:
- T1556
version: 1.0.0
kind: Scheduled
tactics:
- Persistence
- DefenseEvasion
requiredDataConnectors:
- dataTypes:
- OnePasswordEventLogs_CL
connectorId: 1Password
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/
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics%20Rules/1Password%20-%20User%20account%20MFA%20settings%20changed.yaml
triggerOperator: gt
name: 1Password - User account MFA settings changed
triggerThreshold: 0
queryPeriod: 30m
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/3c8140eb-e946-4bf2-8c61-03e4df56d400')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/3c8140eb-e946-4bf2-8c61-03e4df56d400')]",
"properties": {
"alertRuleTemplateName": "3c8140eb-e946-4bf2-8c61-03e4df56d400",
"customDetails": null,
"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.\n\nRef: https://1password.com/\nRef: https://github.com/securehats/",
"displayName": "1Password - User account MFA settings changed",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "ActorUsername",
"identifier": "FullName"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "SrcIpAddr",
"identifier": "Address"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": true,
"lookbackDuration": "PT1H",
"matchingMethod": "AllEntities",
"reopenClosedIncident": false
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics%20Rules/1Password%20-%20User%20account%20MFA%20settings%20changed.yaml",
"query": "OnePasswordEventLogs_CL\n| where log_source == \"auditevents\"\n| where action has_any(\"enblmfa\", \"updatmfa\", \"disblmfa\")\n| where object_type == \"user\"\n| extend\n ActorUsername = actor_details.email\n , SrcIpAddr = session.ip",
"queryFrequency": "PT30M",
"queryPeriod": "PT30M",
"severity": "Medium",
"subTechniques": [],
"suppressionDuration": "PT5H",
"suppressionEnabled": false,
"tactics": [
"DefenseEvasion",
"Persistence"
],
"techniques": [
"T1556"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}