Kubernetes Azure detect sensitive role access

Name:Kubernetes Azure detect sensitive role access
id:f27349e5-1641-4f6a-9e68-30402be0ad4c
version:4
date:2024-10-17
author:Rod Soto, Splunk
status:deprecated
type:Hunting
Description:This search provides information on Kubernetes accounts accessing sensitve objects such as configmpas or secrets
Data_source:

search:`kubernetes_azure` category=kube-audit
| spath input=properties.log| search objectRef.resource=clusterroles OR clusterrolebindings
| table sourceIPs{} user.username user.groups{} objectRef.namespace requestURI annotations.authorization.k8s.io/reason
| dedup user.username user.groups{} |`kubernetes_azure_detect_sensitive_role_access_filter`

how_to_implement:You must install the Add-on for Microsoft Cloud Services and Configure Kube-Audit data diagnostics
known_false_positives:Sensitive role resource access is necessary for cluster operation, however source IP, namespace and user group may indicate possible malicious use.
References:
drilldown_searches:
  :
tags:
  analytic_story:
    - 'Kubernetes Sensitive Role 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