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

ARM