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Id33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E
RulenameCyble Vision Alerts Compromised Endpoint Cookies
DescriptionDetects compromised browser cookies associated with monitored entities. Identifies exposed authentication cookies with future expiry, enabling potential session hijacking or persistent unauthorized access.
SeverityLow
TacticsCredentialAccess
DefenseEvasion
TechniquesT1539
T1550
Required data connectorsCybleVisionAlerts
KindScheduled
Query frequency30m
Query period30m
Trigger threshold0
Trigger operatorGreaterThan
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Compromised_Endpoints_Cookies.yaml
Version1.0.0
Arm template33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E.json
Deploy To Azure
Alerts_compromised_endpoints_cookies
| where Service == "compromised_endpoints_cookies"
| extend MappedSeverity = Severity
enabled: true
severity: Low
tactics:
- CredentialAccess
- DefenseEvasion
queryfrequency: 30m
id: 33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E
query: |
  Alerts_compromised_endpoints_cookies
  | where Service == "compromised_endpoints_cookies"
  | extend MappedSeverity = Severity
suppressionDuration: PT1H
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: PT5H
    matchingMethod: AllEntities
    reopenClosedIncident: false
    enabled: false
  createIncident: true
customDetails:
  Status: Status
  Service: Service
  CookieExpiry: CEC_Expiry
  CookieEmail: CEC_Email
  CookieSessionID: CEC_SessionID
  AlertID: AlertID
  MappedSeverity: Severity
  CookieURL: CEC_URL
  CookieDomain: CEC_EmailDomain
kind: Scheduled
triggerOperator: GreaterThan
name: Cyble Vision Alerts Compromised Endpoint Cookies
entityMappings:
- fieldMappings:
  - identifier: Url
    columnName: CEC_URL
  entityType: Url
- fieldMappings:
  - identifier: FullName
    columnName: CEC_Email
  entityType: Account
version: 1.0.0
status: Available
requiredDataConnectors:
- dataTypes:
  - CybleVisionAlerts_CL
  connectorId: CybleVisionAlerts
description: |
  'Detects compromised browser cookies associated with monitored entities. Identifies exposed authentication cookies with future expiry, enabling potential session hijacking or persistent unauthorized access.'
relevantTechniques:
- T1539
- T1550
queryPeriod: 30m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Compromised_Endpoints_Cookies.yaml
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: AlertPerResult
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}}.
{
  "$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"
    }
  ]
}