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

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

ARM