Privileged Machines Exposed to the Internet | Microsoft Sentinel Analytic Rules

Back


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%20Rules/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

relevantTechniques:
- T1580
kind: Scheduled
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
id: 72891de4-da70-44e4-9984-35fcea98d000
queryFrequency: 30m
tactics:
- Discovery
- Impact
version: 1.0.2
queryPeriod: 30m
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: true
    matchingMethod: AnyAlert
    groupByEntities: []
    groupByCustomDetails: []
    lookbackDuration: 5h
    groupByAlertDetails: []
    reopenClosedIncident: false
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".
suppressionEnabled: false
entityMappings:
- fieldMappings:
  - columnName: URL
    identifier: Url
  entityType: URL
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: SingleAlert
alertDetailsOverride:
  alertTactics: Tactics
  alertSeverity: Severity
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertnameFormat: Alert from Authomize - Privileged Machines Exposed to the Internet
  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".
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
triggerOperator: gt
customDetails:
  AuthomizeEventID: EventID
  ReferencedURL: URL
  EventDescription: Description
  EventRecommendation: Recommendation
  EventName: Policy
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic%20Rules/Privileged_Machines_Exposed_to_the_Internet.yaml
status: Available
severity: High
suppressionDuration: 5h
name: Privileged Machines Exposed to the Internet

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%20Rules/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"
    }
  ]
}