Cyble Vision Alerts Compromised Endpoint Cookies

Alerts_compromised_endpoints_cookies
| where Service == "compromised_endpoints_cookies"
| extend MappedSeverity = Severity

queryfrequency: 30m
entityMappings:
- fieldMappings:
  - columnName: CEC_URL
    identifier: Url
  entityType: Url
- fieldMappings:
  - columnName: CEC_Email
    identifier: FullName
  entityType: Account
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: PT5H
    matchingMethod: AllEntities
    enabled: false
    reopenClosedIncident: false
triggerThreshold: 0
enabled: true
triggerOperator: GreaterThan
severity: Low
suppressionDuration: PT1H
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Compromised_Endpoints_Cookies.yaml
alertDetailsOverride:
  alertDisplayNameFormat: Compromised Session Cookie {{CEC_Email}} {{CEC_URL}}
  alertDescriptionFormat: |
    A compromised browser session cookie associated with {{CEC_EmailDomain}} was detected for service {{CEC_URL}}. The cookie has not expired and may allow session hijacking. Session ID {{CEC_SessionID}}.
query: |
  Alerts_compromised_endpoints_cookies
  | where Service == "compromised_endpoints_cookies"
  | extend MappedSeverity = Severity
tactics:
- CredentialAccess
- DefenseEvasion
queryPeriod: 30m
customDetails:
  Service: Service
  Status: Status
  CookieDomain: CEC_EmailDomain
  CookieExpiry: CEC_Expiry
  CookieSessionID: CEC_SessionID
  MappedSeverity: Severity
  CookieEmail: CEC_Email
  CookieURL: CEC_URL
  AlertID: AlertID
relevantTechniques:
- T1539
- T1550
requiredDataConnectors:
- connectorId: CybleVisionAlerts
  dataTypes:
  - CybleVisionAlerts_CL
id: 33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E
kind: Scheduled
version: 1.0.0
description: |
  'Detects compromised browser cookies associated with monitored entities. Identifies exposed authentication cookies with future expiry, enabling potential session hijacking or persistent unauthorized access.'
status: Available
name: Cyble Vision Alerts Compromised Endpoint Cookies

{
  "$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/33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "A compromised browser session cookie associated with {{CEC_EmailDomain}} was detected for service {{CEC_URL}}. The cookie has not expired and may allow session hijacking. Session ID {{CEC_SessionID}}.\n",
          "alertDisplayNameFormat": "Compromised Session Cookie {{CEC_Email}} {{CEC_URL}}"
        },
        "alertRuleTemplateName": "33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E",
        "customDetails": {
          "AlertID": "AlertID",
          "CookieDomain": "CEC_EmailDomain",
          "CookieEmail": "CEC_Email",
          "CookieExpiry": "CEC_Expiry",
          "CookieSessionID": "CEC_SessionID",
          "CookieURL": "CEC_URL",
          "MappedSeverity": "Severity",
          "Service": "Service",
          "Status": "Status"
        },
        "description": "'Detects compromised browser cookies associated with monitored entities. Identifies exposed authentication cookies with future expiry, enabling potential session hijacking or persistent unauthorized access.'\n",
        "displayName": "Cyble Vision Alerts Compromised Endpoint Cookies",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Url",
            "fieldMappings": [
              {
                "columnName": "CEC_URL",
                "identifier": "Url"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "CEC_Email",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "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_Compromised_Endpoints_Cookies.yaml",
        "query": "Alerts_compromised_endpoints_cookies\n| where Service == \"compromised_endpoints_cookies\"\n| extend MappedSeverity = Severity\n",
        "queryfrequency": "PT30M",
        "queryPeriod": "PT30M",
        "severity": "Low",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "DefenseEvasion"
        ],
        "techniques": [
          "T1539",
          "T1550"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}