Ping Federate - Password reset request from unexpected source IP address

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

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PingFederate/Analytic Rules/PingFederatePasswordRstReqUnexpectedSource.yaml
query: |
  let known_src = 
  PingFederateEvent
  | where TimeGenerated between (ago(14d) .. (1d))
  | where isnotempty(SrcIpAddr)
  | summarize makeset(SrcIpAddr);
  PingFederateEvent
  | where EventType =~ 'PWD_RESET_REQUEST'
  | where isnotempty(SrcIpAddr)
  | where SrcIpAddr !in (known_src)
  | extend AccountCustomEntity = DstUserName
  | extend IpCustomEntity = SrcIpAddr  
description: |
    'Detects password reset requests from unexpected source IP address.'
severity: Medium
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
name: Ping Federate - Password reset request from unexpected source IP address..
triggerThreshold: 0
tactics:
- InitialAccess
version: 1.0.3
relevantTechniques:
- T1078
triggerOperator: gt
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
- entityType: IP
  fieldMappings:
  - columnName: IpCustomEntity
    identifier: Address
id: 2d201d21-77b4-4d97-95f3-26b5c6bde09f
status: Available
kind: Scheduled
queryFrequency: 1h
queryPeriod: 14d

{
  "$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/2d201d21-77b4-4d97-95f3-26b5c6bde09f')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2d201d21-77b4-4d97-95f3-26b5c6bde09f')]",
      "properties": {
        "alertRuleTemplateName": "2d201d21-77b4-4d97-95f3-26b5c6bde09f",
        "customDetails": null,
        "description": "'Detects password reset requests from unexpected source IP address.'\n",
        "displayName": "Ping Federate - Password reset request from unexpected source IP address..",
        "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/PingFederatePasswordRstReqUnexpectedSource.yaml",
        "query": "let known_src = \nPingFederateEvent\n| where TimeGenerated between (ago(14d) .. (1d))\n| where isnotempty(SrcIpAddr)\n| summarize makeset(SrcIpAddr);\nPingFederateEvent\n| where EventType =~ 'PWD_RESET_REQUEST'\n| where isnotempty(SrcIpAddr)\n| where SrcIpAddr !in (known_src)\n| extend AccountCustomEntity = DstUserName\n| extend IpCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}