Kubernetes Azure detect service accounts forbidden failure access

Name:Kubernetes Azure detect service accounts forbidden failure access
id:019690d7-420f-4da0-b320-f27b09961514
version:3
date:2024-10-17
author:Rod Soto, Splunk
status:deprecated
type:Hunting
Description:This search provides information on Kubernetes service accounts with failure or forbidden access status
Data_source:

search:`kubernetes_azure` category=kube-audit
| spath input=properties.log
| search user.groups{}=system:serviceaccounts* responseStatus.reason=Forbidden
| table sourceIPs{} user.username userAgent verb responseStatus.reason responseStatus.status properties.pod objectRef.namespace |`kubernetes_azure_detect_service_accounts_forbidden_failure_access_filter`

how_to_implement:You must install the Add-on for Microsoft Cloud Services and Configure Kube-Audit data diagnostics
known_false_positives:This search can give false positives as there might be inherent issues with authentications and permissions at cluster.
References:
drilldown_searches:
  :
tags:
  analytic_story:
    - 'Kubernetes Sensitive Object Access Activity'
  asset_type:Azure AKS Kubernetes cluster
  confidence:50
  impact:50
  message:tbd
  observable:
    name:'user.username'
    type:'User'
    - role:
      - 'Victim'
  product:
    - 'Splunk Enterprise'
    - 'Splunk Enterprise Security'
    - 'Splunk Cloud'
  required_fields:
    - '_time'
  risk_score:25
  security_domain:threat

tests:
  :
manual_test:None