Microsoft Sentinel Analytic Rules
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Palo Alto Prisma Cloud - Network ACL allow all outbound traffic

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Id4264e133-eec2-438f-af85-05e869308f94
RulenamePalo Alto Prisma Cloud - Network ACL allow all outbound traffic
DescriptionDetects network ACLs with outbound rule to allow all traffic.
SeverityMedium
TacticsInitialAccess
TechniquesT1133
Required data connectorsPaloAltoPrismaCloud
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudAclAllowAllOut.yaml
Version1.0.1
Arm template4264e133-eec2-438f-af85-05e869308f94.json
Deploy To Azure
PaloAltoPrismaCloud
| where Reason =~ 'NEW_ALERT'
| where Status =~ 'open'
| where AlertMessage has 'Network ACLs with Outbound rule to allow All Traffic'
| extend AccountCustomEntity = UserName
tactics:
- InitialAccess
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
queryPeriod: 1h
requiredDataConnectors:
- dataTypes:
  - PaloAltoPrismaCloud
  connectorId: PaloAltoPrismaCloud
triggerThreshold: 0
status: Available
kind: Scheduled
relevantTechniques:
- T1133
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudAclAllowAllOut.yaml
description: |
    'Detects network ACLs with outbound rule to allow all traffic.'
query: |
  PaloAltoPrismaCloud
  | where Reason =~ 'NEW_ALERT'
  | where Status =~ 'open'
  | where AlertMessage has 'Network ACLs with Outbound rule to allow All Traffic'
  | extend AccountCustomEntity = UserName  
version: 1.0.1
id: 4264e133-eec2-438f-af85-05e869308f94
name: Palo Alto Prisma Cloud - Network ACL allow all outbound traffic
queryFrequency: 1h
triggerOperator: gt
severity: Medium
{
  "$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/4264e133-eec2-438f-af85-05e869308f94')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/4264e133-eec2-438f-af85-05e869308f94')]",
      "properties": {
        "alertRuleTemplateName": "4264e133-eec2-438f-af85-05e869308f94",
        "customDetails": null,
        "description": "'Detects network ACLs with outbound rule to allow all traffic.'\n",
        "displayName": "Palo Alto Prisma Cloud - Network ACL allow all outbound traffic",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudAclAllowAllOut.yaml",
        "query": "PaloAltoPrismaCloud\n| where Reason =~ 'NEW_ALERT'\n| where Status =~ 'open'\n| where AlertMessage has 'Network ACLs with Outbound rule to allow All Traffic'\n| extend AccountCustomEntity = UserName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1133"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}