AWS Security Hub - Detect SSM documents public sharing enabled

AWSSecurityHubFindings
| where RecordState == "ACTIVE" and ComplianceStatus == "FAILED"
| where tostring(AwsSecurityFindingGeneratorId) == "security-control/SSM.7"
      or tostring(ComplianceSecurityControlId) == "SSM.7"
| summarize TimeGenerated = max(TimeGenerated)
    by AwsAccountId, AwsRegion, AwsSecurityFindingTitle, AwsSecurityFindingDescription,
       AwsSecurityFindingId, ComplianceSecurityControlId

entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AwsAccountId
    identifier: Name
  - columnName: AwsAccountId
    identifier: CloudAppAccountId
query: |
  AWSSecurityHubFindings
  | where RecordState == "ACTIVE" and ComplianceStatus == "FAILED"
  | where tostring(AwsSecurityFindingGeneratorId) == "security-control/SSM.7"
        or tostring(ComplianceSecurityControlId) == "SSM.7"
  | summarize TimeGenerated = max(TimeGenerated)
      by AwsAccountId, AwsRegion, AwsSecurityFindingTitle, AwsSecurityFindingDescription,
         AwsSecurityFindingId, ComplianceSecurityControlId
id: 0aa20f8c-b8e4-4a34-a5b8-8b2d9dd7d1c2
queryFrequency: 1h
alertDetailsOverride:
  alertDisplayNameFormat: AWS Account {{AwsAccountId}} SSM documents public sharing enabled
  alertDescriptionFormat: AWS Account {{AwsAccountId}} has SSM documents with public sharing enabled. Disable public sharing setting to prevent unintended exposure of automation documents.
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AWS%20Security%20Hub/Analytic%20Rules/SSMDocumentsPublicSharingEnabled.yaml
version: 1.0.0
severity: High
relevantTechniques:
- T1059
name: AWS Security Hub - Detect SSM documents public sharing enabled
tags:
- AWS Foundational Security Best Practices v1.0.0
kind: Scheduled
tactics:
- Execution
requiredDataConnectors:
- dataTypes:
  - AWSSecurityHubFindings
  connectorId: AWSSecurityHub
description: |
  This query detects AWS accounts where public sharing is enabled, using AWS Security Hub control SSM.7 findings.
  Allowing public sharing of SSM documents can expose automation content and enable unauthorized execution or tampering.
customDetails:
  ComplianceControlId: ComplianceSecurityControlId
  Region: AwsRegion
  FindingId: AwsSecurityFindingId
triggerOperator: gt
triggerThreshold: 0
queryPeriod: 1h

{
  "$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/0aa20f8c-b8e4-4a34-a5b8-8b2d9dd7d1c2')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/0aa20f8c-b8e4-4a34-a5b8-8b2d9dd7d1c2')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "AWS Account {{AwsAccountId}} has SSM documents with public sharing enabled. Disable public sharing setting to prevent unintended exposure of automation documents.",
          "alertDisplayNameFormat": "AWS Account {{AwsAccountId}} SSM documents public sharing enabled"
        },
        "alertRuleTemplateName": "0aa20f8c-b8e4-4a34-a5b8-8b2d9dd7d1c2",
        "customDetails": {
          "ComplianceControlId": "ComplianceSecurityControlId",
          "FindingId": "AwsSecurityFindingId",
          "Region": "AwsRegion"
        },
        "description": "This query detects AWS accounts where public sharing is enabled, using AWS Security Hub control SSM.7 findings.\nAllowing public sharing of SSM documents can expose automation content and enable unauthorized execution or tampering.\n",
        "displayName": "AWS Security Hub - Detect SSM documents public sharing enabled",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AwsAccountId",
                "identifier": "Name"
              },
              {
                "columnName": "AwsAccountId",
                "identifier": "CloudAppAccountId"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AWS%20Security%20Hub/Analytic%20Rules/SSMDocumentsPublicSharingEnabled.yaml",
        "query": "AWSSecurityHubFindings\n| where RecordState == \"ACTIVE\" and ComplianceStatus == \"FAILED\"\n| where tostring(AwsSecurityFindingGeneratorId) == \"security-control/SSM.7\"\n      or tostring(ComplianceSecurityControlId) == \"SSM.7\"\n| summarize TimeGenerated = max(TimeGenerated)\n    by AwsAccountId, AwsRegion, AwsSecurityFindingTitle, AwsSecurityFindingDescription,\n       AwsSecurityFindingId, ComplianceSecurityControlId\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution"
        ],
        "tags": [
          "AWS Foundational Security Best Practices v1.0.0"
        ],
        "techniques": [
          "T1059"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}