Privileged Machines Exposed to the Internet

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Id	72891de4-da70-44e4-9984-35fcea98d000
Rulename	Privileged Machines Exposed to the Internet
Description	These are AWS Ec2 machines that are exposed to the internet. You can further filter by tags so that you can, for example, find exposed machines that are also “privileged”.
Severity	High
Tactics	Discovery Impact
Techniques	T1580
Required data connectors	Authomize
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Privileged_Machines_Exposed_to_the_Internet.yaml
Version	1.0.2
Arm template	72891de4-da70-44e4-9984-35fcea98d000.json

KQL

Authomize_v2_CL
| where ingestion_time() >= ago(30m)
| extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
| where Policy has "Privileged Machines Exposed to the Internet"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

version: 1.0.2
tactics:
- Discovery
- Impact
name: Privileged Machines Exposed to the Internet
suppressionDuration: 5h
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: URL
    identifier: Url
  entityType: URL
triggerOperator: gt
customDetails:
  ReferencedURL: URL
  EventDescription: Description
  AuthomizeEventID: EventID
  EventRecommendation: Recommendation
  EventName: Policy
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Privileged_Machines_Exposed_to_the_Internet.yaml
suppressionEnabled: false
alertDetailsOverride:
  alertDescriptionFormat: Privileged Machines Exposed to the Internet. These are AWS Ec2 machines that are exposed to the internet. You can further filter by tags so that you can, for example, find exposed machines that are also "privileged".
  alertTactics: Tactics
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertnameFormat: Alert from Authomize - Privileged Machines Exposed to the Internet
  alertSeverity: Severity
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    groupByEntities: []
    enabled: true
    groupByCustomDetails: []
    groupByAlertDetails: []
    lookbackDuration: 5h
    matchingMethod: AnyAlert
  createIncident: true
queryPeriod: 30m
requiredDataConnectors:
- connectorId: Authomize
  dataTypes:
  - Authomize_v2_CL
id: 72891de4-da70-44e4-9984-35fcea98d000
query: |-
  Authomize_v2_CL
  | where ingestion_time() >= ago(30m)
  | extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
  | where Policy has "Privileged Machines Exposed to the Internet"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
relevantTechniques:
- T1580
severity: High
queryFrequency: 30m
kind: Scheduled
eventGroupingSettings:
  aggregationKind: SingleAlert
description: These are AWS Ec2 machines that are exposed to the internet. You can further filter by tags so that you can, for example, find exposed machines that are also "privileged".
status: Available

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/72891de4-da70-44e4-9984-35fcea98d000')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/72891de4-da70-44e4-9984-35fcea98d000')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Privileged Machines Exposed to the Internet. These are AWS Ec2 machines that are exposed to the internet. You can further filter by tags so that you can, for example, find exposed machines that are also \"privileged\".",
          "alertDynamicProperties": [
            {
              "alertProperty": "AlertLink",
              "value": "URL"
            }
          ],
          "alertnameFormat": "Alert from Authomize - Privileged Machines Exposed to the Internet",
          "alertSeverity": "Severity",
          "alertTactics": "Tactics"
        },
        "alertRuleTemplateName": "72891de4-da70-44e4-9984-35fcea98d000",
        "customDetails": {
          "AuthomizeEventID": "EventID",
          "EventDescription": "Description",
          "EventName": "Policy",
          "EventRecommendation": "Recommendation",
          "ReferencedURL": "URL"
        },
        "description": "These are AWS Ec2 machines that are exposed to the internet. You can further filter by tags so that you can, for example, find exposed machines that are also \"privileged\".",
        "displayName": "Privileged Machines Exposed to the Internet",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "URL",
                "identifier": "Url"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT5H",
            "matchingMethod": "AnyAlert",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Privileged_Machines_Exposed_to_the_Internet.yaml",
        "query": "Authomize_v2_CL\n| where ingestion_time() >= ago(30m)\n| extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s\n| where Policy has \"Privileged Machines Exposed to the Internet\"\n| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics",
        "queryFrequency": "PT30M",
        "queryPeriod": "PT30M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "Discovery",
          "Impact"
        ],
        "techniques": [
          "T1580"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}