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

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

ARM