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