Ping Federate - Authentication from new IP

let known_src = 
PingFederateEvent
| where TimeGenerated between (ago(14d) .. (1d))
| where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
| where isnotempty(SrcIpAddr)
| summarize makeset(SrcIpAddr);
PingFederateEvent
| where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
| where isnotempty(SrcIpAddr)
| where SrcIpAddr !in (known_src)
| extend AccountCustomEntity = DstUserName
| extend IpCustomEntity = SrcIpAddr

severity: Low
triggerThreshold: 0
requiredDataConnectors:
- connectorId: PingFederate
  dataTypes:
  - PingFederateEvent
- connectorId: PingFederateAma
  dataTypes:
  - PingFederateEvent
kind: Scheduled
id: 30583ed4-d13c-43b8-baf2-d75fbe727210
triggerOperator: gt
tactics:
- InitialAccess
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateAuthFromNewSource.yaml
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IpCustomEntity
relevantTechniques:
- T1078
version: 1.0.1
queryPeriod: 14d
name: Ping Federate - Authentication from new IP.
status: Available
description: |
    'Detects authentication requests from new IP address.'
query: |
  let known_src = 
  PingFederateEvent
  | where TimeGenerated between (ago(14d) .. (1d))
  | where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
  | where isnotempty(SrcIpAddr)
  | summarize makeset(SrcIpAddr);
  PingFederateEvent
  | where EventType in~ ('AUTHN_ATTEMPT', 'SSO')
  | where isnotempty(SrcIpAddr)
  | where SrcIpAddr !in (known_src)
  | extend AccountCustomEntity = DstUserName
  | extend IpCustomEntity = SrcIpAddr  

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/30583ed4-d13c-43b8-baf2-d75fbe727210')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/30583ed4-d13c-43b8-baf2-d75fbe727210')]",
      "properties": {
        "alertRuleTemplateName": "30583ed4-d13c-43b8-baf2-d75fbe727210",
        "customDetails": null,
        "description": "'Detects authentication requests from new IP address.'\n",
        "displayName": "Ping Federate - Authentication from new IP.",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IpCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederateAuthFromNewSource.yaml",
        "query": "let known_src = \nPingFederateEvent\n| where TimeGenerated between (ago(14d) .. (1d))\n| where EventType in~ ('AUTHN_ATTEMPT', 'SSO')\n| where isnotempty(SrcIpAddr)\n| summarize makeset(SrcIpAddr);\nPingFederateEvent\n| where EventType in~ ('AUTHN_ATTEMPT', 'SSO')\n| where isnotempty(SrcIpAddr)\n| where SrcIpAddr !in (known_src)\n| extend AccountCustomEntity = DstUserName\n| extend IpCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "Low",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}