Palo Alto WildFire Malware Detection

Back


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

severity: High
requiredDataConnectors:
- dataTypes:
  - PaloAltoNetworksCortex
  connectorId: PaloAltoNetworksCortex
id: 961672e7-15db-4df1-9bab-dc4f032b9b6f
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  
version: 1.0.0
relevantTechniques:
- T1562
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: SourceUserName
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: SourceHostName
triggerThreshold: 0
queryPeriod: 1d
name: Palo Alto WildFire Malware Detection
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Palo Alto - XDR (Cortex)/Detection Queries/WildFire Malware Detection.yaml
triggerOperator: gt
tactics:
- DefenseEvasion
description: |
    'The query checks for specifically WildFire Malware and returns the result with Entities and hosts involved and count of attakcs.'
queryFrequency: 1d

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"
    }
  ]
}