Kubernetes Azure detect sensitive object access

Name:Kubernetes Azure detect sensitive object access
id:1bba382b-07fd-4ffa-b390-8002739b76e8
version:3
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=secrets OR configmaps user.username=system.anonymous OR annotations.authorization.k8s.io/decision=allow |table user.username user.groups{} objectRef.resource objectRef.namespace objectRef.name annotations.authorization.k8s.io/reason |dedup user.username user.groups{} |`kubernetes_azure_detect_sensitive_object_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 object access is not necessarily malicious but user and object context can provide guidance for detection.
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