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%20Rules/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

id: 427c025d-c068-4844-8205-66879e89bcfa
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
severity: High
status: Available
requiredDataConnectors:
- dataTypes:
  - ImpervaWAFCloud
  connectorId: ImpervaWAFCloudAPI
kind: Scheduled
query: |
  ImpervaWAFCloud
  | where QueryString contains @'/admin'
  | where ipv4_is_private(SrcIpAddr) == False
  | extend IPCustomEntity = SrcIpAddr
name: Imperva - Request from unexpected IP address to admin panel
queryPeriod: 10m
description: |
  'Detects requests from unexpected IP addresses to admin panel.'
tactics:
- InitialAccess
triggerOperator: gt
triggerThreshold: 0
relevantTechniques:
- T1190
- T1133
version: 1.0.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic%20Rules/ImpervaAdminPanelUncommonIp.yaml
queryFrequency: 10m

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%20Rules/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"
    }
  ]
}