Cyble Vision Alerts Compromised Endpoint Cookies

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Id	33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E
Rulename	Cyble Vision Alerts Compromised Endpoint Cookies
Description	Detects compromised browser cookies associated with monitored entities. Identifies exposed authentication cookies with future expiry, enabling potential session hijacking or persistent unauthorized access.
Severity	Low
Tactics	CredentialAccess DefenseEvasion
Techniques	T1539 T1550
Required data connectors	CybleVisionAlerts
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	GreaterThan
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_Compromised_Endpoints_Cookies.yaml
Version	1.0.0
Arm template	33B07EAA-F451-4C38-AC9F-8AF3F7E99F0E.json

KQL

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

YAML

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

ARM