Imperva - Request from unexpected IP address to admin panel

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Id	427c025d-c068-4844-8205-66879e89bcfa
Rulename	Imperva - Request from unexpected IP address to admin panel
Description	Detects requests from unexpected IP addresses to admin panel.
Severity	High
Tactics	InitialAccess
Techniques	T1190 T1133
Required data connectors	ImpervaWAFCloudAPI
Kind	Scheduled
Query frequency	10m
Query period	10m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaAdminPanelUncommonIp.yaml
Version	1.0.1
Arm template	427c025d-c068-4844-8205-66879e89bcfa.json

KQL

ImpervaWAFCloud
| where QueryString contains @'/admin'
| where ipv4_is_private(SrcIpAddr) == False
| extend IPCustomEntity = SrcIpAddr

YAML

name: Imperva - Request from unexpected IP address to admin panel
relevantTechniques:
- T1190
- T1133
requiredDataConnectors:
- dataTypes:
  - ImpervaWAFCloud
  connectorId: ImpervaWAFCloudAPI
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaAdminPanelUncommonIp.yaml
query: |
  ImpervaWAFCloud
  | where QueryString contains @'/admin'
  | where ipv4_is_private(SrcIpAddr) == False
  | extend IPCustomEntity = SrcIpAddr  
tactics:
- InitialAccess
description: |
    'Detects requests from unexpected IP addresses to admin panel.'
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
queryFrequency: 10m
triggerOperator: gt
version: 1.0.1
queryPeriod: 10m
status: Available
kind: Scheduled
severity: High
triggerThreshold: 0
id: 427c025d-c068-4844-8205-66879e89bcfa

ARM

{
  "$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/427c025d-c068-4844-8205-66879e89bcfa')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/427c025d-c068-4844-8205-66879e89bcfa')]",
      "properties": {
        "alertRuleTemplateName": "427c025d-c068-4844-8205-66879e89bcfa",
        "customDetails": null,
        "description": "'Detects requests from unexpected IP addresses to admin panel.'\n",
        "displayName": "Imperva - Request from unexpected IP address to admin panel",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaAdminPanelUncommonIp.yaml",
        "query": "ImpervaWAFCloud\n| where QueryString contains @'/admin'\n| where ipv4_is_private(SrcIpAddr) == False\n| extend IPCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1133",
          "T1190"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}