Palo Alto WildFire Malware Detection

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Id	961672e7-15db-4df1-9bab-dc4f032b9b6f
Rulename	Palo Alto WildFire Malware Detection
Description	The query checks for specifically WildFire Malware and returns the result with Entities and hosts involved and count of attakcs.
Severity	High
Tactics	DefenseEvasion
Techniques	T1562
Required data connectors	PaloAltoNetworksCortex
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/WildFire Malware Detection.yaml
Version	1.0.0
Arm template	961672e7-15db-4df1-9bab-dc4f032b9b6f.json

KQL

CommonSecurityLog
| where ingestion_time() > ago(1d)
| where DeviceVendor == "Palo Alto Networks"
| where DeviceProduct == "Cortex XDR"
| where Activity == "WildFire Malware"
| summarize (Timestamp, ReportId,Severity, AttackType)=arg_max(TimeGenerated, ExternalID, LogSeverity, Activity, SourceUserName, SourceHostName), count() by Computer
| where count_ > 5

YAML

relevantTechniques:
- T1562
name: Palo Alto WildFire Malware Detection
requiredDataConnectors:
- dataTypes:
  - PaloAltoNetworksCortex
  connectorId: PaloAltoNetworksCortex
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: SourceUserName
  entityType: Account
- fieldMappings:
  - identifier: FullName
    columnName: SourceHostName
  entityType: Host
triggerThreshold: 0
id: 961672e7-15db-4df1-9bab-dc4f032b9b6f
tactics:
- DefenseEvasion
version: 1.0.0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/WildFire Malware Detection.yaml
queryPeriod: 1d
kind: Scheduled
queryFrequency: 1d
severity: High
description: |
    'The query checks for specifically WildFire Malware and returns the result with Entities and hosts involved and count of attakcs.'
query: |
  CommonSecurityLog
  | where ingestion_time() > ago(1d)
  | where DeviceVendor == "Palo Alto Networks"
  | where DeviceProduct == "Cortex XDR"
  | where Activity == "WildFire Malware"
  | summarize (Timestamp, ReportId,Severity, AttackType)=arg_max(TimeGenerated, ExternalID, LogSeverity, Activity, SourceUserName, SourceHostName), count() by Computer
  | where count_ > 5  
triggerOperator: gt

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/961672e7-15db-4df1-9bab-dc4f032b9b6f')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/961672e7-15db-4df1-9bab-dc4f032b9b6f')]",
      "properties": {
        "alertRuleTemplateName": "961672e7-15db-4df1-9bab-dc4f032b9b6f",
        "customDetails": null,
        "description": "'The query checks for specifically WildFire Malware and returns the result with Entities and hosts involved and count of attakcs.'\n",
        "displayName": "Palo Alto WildFire Malware Detection",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "SourceUserName",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "SourceHostName",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/WildFire Malware Detection.yaml",
        "query": "CommonSecurityLog\n| where ingestion_time() > ago(1d)\n| where DeviceVendor == \"Palo Alto Networks\"\n| where DeviceProduct == \"Cortex XDR\"\n| where Activity == \"WildFire Malware\"\n| summarize (Timestamp, ReportId,Severity, AttackType)=arg_max(TimeGenerated, ExternalID, LogSeverity, Activity, SourceUserName, SourceHostName), count() by Computer\n| where count_ > 5\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}