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

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

ARM