Privileged Machines Exposed to the Internet

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 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

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

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"
    }
  ]
}