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
queryFrequency: 1h
requiredDataConnectors:
- connectorId: PaloAltoPrismaCloud
  dataTypes:
  - PaloAltoPrismaCloud
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudAclAllowAllOut.yaml
query: |
  PaloAltoPrismaCloud
  | where Reason =~ 'NEW_ALERT'
  | where Status =~ 'open'
  | where AlertMessage has 'Network ACLs with Outbound rule to allow All Traffic'
  | extend AccountCustomEntity = UserName  
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
relevantTechniques:
- T1133
name: Palo Alto Prisma Cloud - Network ACL allow all outbound traffic
description: |
    'Detects network ACLs with outbound rule to allow all traffic.'
severity: Medium
queryPeriod: 1h
triggerOperator: gt
kind: Scheduled
status: Available
tactics:
- InitialAccess
id: 4264e133-eec2-438f-af85-05e869308f94
version: 1.0.1
triggerThreshold: 0
{
  "$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"
    }
  ]
}