1Password - Manual account creation

OnePasswordEventLogs_CL
| where action == "create"
| where object_type == "invite"
| where actor_details.email !endswith "@1passwordserviceaccounts.com"
| extend
    ActorUsername = actor_details.email
    , SrcIpAddr = session.ip
    , TargetUsername = aux_info

id: 9a264487-bcb8-4c7f-a461-b289a46377b8
triggerThreshold: 0
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1h
    matchingMethod: AnyAlert
    enabled: true
    reopenClosedIncident: false
suppressionDuration: 1h
version: 1.0.0
queryPeriod: 5m
eventGroupingSettings:
  aggregationKind: SingleAlert
name: 1Password - Manual account creation
suppressionEnabled: false
requiredDataConnectors:
- connectorId: 1Password
  dataTypes:
  - OnePasswordEventLogs_CL
triggerOperator: gt
relevantTechniques:
- T1136
query: |-
  OnePasswordEventLogs_CL
  | where action == "create"
  | where object_type == "invite"
  | where actor_details.email !endswith "@1passwordserviceaccounts.com"
  | extend
      ActorUsername = actor_details.email
      , SrcIpAddr = session.ip
      , TargetUsername = aux_info  
queryFrequency: 5m
description: |-
  This will alert when a new account was created manually within 1Password. This should only be used when a 1Password integration via a SCIM Bridge has been implemented.

  Ref: https://support.1password.com/scim/
  Ref: https://1password.com/
  Ref: https://github.com/securehats/  
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: ActorUsername
    identifier: FullName
- entityType: IP
  fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
- entityType: Account
  fieldMappings:
  - columnName: TargetUsername
    identifier: FullName
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Manual account creation.yaml
kind: Scheduled
severity: Medium
tactics:
- Persistence

{
  "$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/9a264487-bcb8-4c7f-a461-b289a46377b8')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9a264487-bcb8-4c7f-a461-b289a46377b8')]",
      "properties": {
        "alertRuleTemplateName": "9a264487-bcb8-4c7f-a461-b289a46377b8",
        "customDetails": null,
        "description": "This will alert when a new account was created manually within 1Password. This should only be used when a 1Password integration via a SCIM Bridge has been implemented.\n\nRef: https://support.1password.com/scim/\nRef: https://1password.com/\nRef: https://github.com/securehats/",
        "displayName": "1Password - Manual account creation",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "ActorUsername",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SrcIpAddr",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "TargetUsername",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "lookbackDuration": "PT1H",
            "matchingMethod": "AnyAlert",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/1Password/Analytics Rules/1Password - Manual account creation.yaml",
        "query": "OnePasswordEventLogs_CL\n| where action == \"create\"\n| where object_type == \"invite\"\n| where actor_details.email !endswith \"@1passwordserviceaccounts.com\"\n| extend\n    ActorUsername = actor_details.email\n    , SrcIpAddr = session.ip\n    , TargetUsername = aux_info",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence"
        ],
        "techniques": [
          "T1136"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}