Ping Federate - New user SSO success login

let known_usrs = 
PingFederateEvent
| where TimeGenerated between (ago(14d) .. (1d))
| where isnotempty(DstUserName)
| summarize makeset(DstUserName);
PingFederateEvent
| where EventType =~ 'SSO'
| where EventMessage has 'success'
| where DstUserName !in (known_usrs)
| extend AccountCustomEntity = DstUserName

description: |
    'Detects new user SSO success login.'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateNewUserSSO.yaml
severity: Low
status: Available
kind: Scheduled
relevantTechniques:
- T1078
- T1136
tactics:
- InitialAccess
- Persistence
queryFrequency: 1h
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
triggerThreshold: 0
queryPeriod: 14d
triggerOperator: gt
version: 1.0.3
id: 05282c91-7aaf-4d76-9a19-6dc582e6a411
name: Ping Federate - New user SSO success login
query: |
  let known_usrs = 
  PingFederateEvent
  | where TimeGenerated between (ago(14d) .. (1d))
  | where isnotempty(DstUserName)
  | summarize makeset(DstUserName);
  PingFederateEvent
  | where EventType =~ 'SSO'
  | where EventMessage has 'success'
  | where DstUserName !in (known_usrs)
  | extend AccountCustomEntity = DstUserName  
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma

{
  "$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/05282c91-7aaf-4d76-9a19-6dc582e6a411')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/05282c91-7aaf-4d76-9a19-6dc582e6a411')]",
      "properties": {
        "alertRuleTemplateName": "05282c91-7aaf-4d76-9a19-6dc582e6a411",
        "customDetails": null,
        "description": "'Detects new user SSO success login.'\n",
        "displayName": "Ping Federate - New user SSO success login",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateNewUserSSO.yaml",
        "query": "let known_usrs = \nPingFederateEvent\n| where TimeGenerated between (ago(14d) .. (1d))\n| where isnotempty(DstUserName)\n| summarize makeset(DstUserName);\nPingFederateEvent\n| where EventType =~ 'SSO'\n| where EventMessage has 'success'\n| where DstUserName !in (known_usrs)\n| extend AccountCustomEntity = DstUserName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "Low",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess",
          "Persistence"
        ],
        "techniques": [
          "T1078",
          "T1136"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}