Cyble Vision Alerts Postman API Exposure Detection

Alerts_postman  
| where Service == "postman"
| extend MappedSeverity = Severity

tactics:
- Reconnaissance
- CredentialAccess
- Exfiltration
name: Cyble Vision Alerts Postman API Exposure Detection
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Postman.yaml
version: 1.0.0
queryfrequency: 30m
requiredDataConnectors:
- connectorId: CybleVisionAlerts
  dataTypes:
  - CybleVisionAlerts_CL
customDetails:
  AlertID: AlertID
  PM_DevelopedBy: PM_DevelopedBy
  PM_Url: PM_Url
  PM_Title: PM_Title
  MappedSeverity: Severity
  Status: Status
  Service: Service
  PM_DevelopedByUrl: PM_DevelopedByUrl
  PM_Category: PM_Category
  PM_PostmanKey: PM_PostmanKey
id: 99ca8956-5aad-4542-9fbc-8254182b424d
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - identifier: Url
    columnName: PM_Url
  entityType: Url
- fieldMappings:
  - identifier: HostName
    columnName: KeywordName
  entityType: Host
queryPeriod: 30m
severity: Low
relevantTechniques:
- T1595
- T1552
- T1041
eventGroupingSettings:
  aggregationKind: AlertPerResult
description: |
  'Detects exposed Postman requests, collections or endpoints referencing monitored entities. Alerts analysts to possible API enumeration, leaked endpoints, or unintended exposure.'
triggerOperator: GreaterThan
enabled: true
status: Available
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
  alertDescriptionFormat: |
    A Postman API request referencing monitored entity {{KeywordName}} was discovered. Public Workspace {{PM_IsPublic}}. Developer {{PM_DevelopedBy}}. This may indicate exposed API endpoints, leaked request parameters or sensitive testing data.
  alertDisplayNameFormat: Exposed Postman API Request {{PM_Title}}
  createIncident: true
  alertDetailsOverride: 
kind: Scheduled
query: |
  Alerts_postman  
  | where Service == "postman"
  | extend MappedSeverity = Severity

{
  "$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/99ca8956-5aad-4542-9fbc-8254182b424d')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/99ca8956-5aad-4542-9fbc-8254182b424d')]",
      "properties": {
        "alertRuleTemplateName": "99ca8956-5aad-4542-9fbc-8254182b424d",
        "customDetails": {
          "AlertID": "AlertID",
          "MappedSeverity": "Severity",
          "PM_Category": "PM_Category",
          "PM_DevelopedBy": "PM_DevelopedBy",
          "PM_DevelopedByUrl": "PM_DevelopedByUrl",
          "PM_PostmanKey": "PM_PostmanKey",
          "PM_Title": "PM_Title",
          "PM_Url": "PM_Url",
          "Service": "Service",
          "Status": "Status"
        },
        "description": "'Detects exposed Postman requests, collections or endpoints referencing monitored entities. Alerts analysts to possible API enumeration, leaked endpoints, or unintended exposure.'\n",
        "displayName": "Cyble Vision Alerts Postman API Exposure Detection",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Url",
            "fieldMappings": [
              {
                "columnName": "PM_Url",
                "identifier": "Url"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "KeywordName",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "alertDescriptionFormat": "A Postman API request referencing monitored entity {{KeywordName}} was discovered. Public Workspace {{PM_IsPublic}}. Developer {{PM_DevelopedBy}}. This may indicate exposed API endpoints, leaked request parameters or sensitive testing data.\n",
          "alertDetailsOverride": null,
          "alertDisplayNameFormat": "Exposed Postman API Request {{PM_Title}}",
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Postman.yaml",
        "query": "Alerts_postman  \n| where Service == \"postman\"\n| extend MappedSeverity = Severity\n",
        "queryfrequency": "PT30M",
        "queryPeriod": "PT30M",
        "severity": "Low",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "Exfiltration",
          "Reconnaissance"
        ],
        "techniques": [
          "T1041",
          "T1552",
          "T1595"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}