Cyble Vision Alerts Compromised Endpoint Cookies

Back


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

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

ARM