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Anthropic-Cybersecurity-Skills/skills/analyzing-kubernetes-audit-logs/references/api-reference.md
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mukul975 27c6414ca5 Add folder anatomy (scripts/agent.py + references/api-reference.md) for 648 cybersecurity skills
Complete skill folder anatomy across all cybersecurity skills:
- scripts/agent.py: 80-150 line Python agents using real libraries (impacket,
  boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.)
- references/api-reference.md: real API documentation with method signatures
- LICENSE: MIT license for all skill folders
2026-03-10 21:02:12 +01:00

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API Reference: Analyzing Kubernetes Audit Logs

Audit Log Format (JSON Lines)

{
  "kind": "Event",
  "apiVersion": "audit.k8s.io/v1",
  "level": "RequestResponse",
  "verb": "create",
  "user": {"username": "admin", "groups": ["system:masters"]},
  "sourceIPs": ["10.0.0.5"],
  "objectRef": {
    "resource": "pods",
    "subresource": "exec",
    "namespace": "default",
    "name": "web-pod"
  },
  "responseStatus": {"code": 200},
  "requestReceivedTimestamp": "2025-03-15T14:00:00Z"
}

Security-Critical Audit Events

Event objectRef Severity
Pod exec resource: pods, subresource: exec HIGH
Secret access resource: secrets, verb: get/list HIGH
RBAC change resource: clusterrolebindings CRITICAL
Privileged pod requestObject.spec.containers[].securityContext.privileged CRITICAL
Anonymous access user.username: system:anonymous CRITICAL

Audit Policy Levels

Level Captures
None No logging
Metadata Timestamp, user, verb, resource
Request Metadata + request body
RequestResponse Request + response body

Python Parsing

import json
with open("audit.log") as f:
    for line in f:
        event = json.loads(line)
        print(event["verb"], event["objectRef"]["resource"])

References