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Anthropic-Cybersecurity-Skills/skills/performing-container-escape-detection/SKILL.md
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mukul975 efca3ec611 feat: add NIST CSF 2.0 nist_csf field to all 754 cybersecurity skills
Mapped every skill to NIST CSF 2.0 subcategory IDs (GV/ID/PR/DE/RS/RC functions)
based on subdomain and content analysis. Restores 11 skills corrupted during
prior rebase, re-enriching with ATLAS, D3FEND, NIST AI RMF, and CSF 2.0 fields.

All 754 skills now carry structured mappings for all 5 security frameworks:
- MITRE ATT&CK (in tags)
- MITRE ATLAS v5.5 (atlas_techniques)
- MITRE D3FEND v1.3 (d3fend_techniques)
- NIST AI RMF 1.0 (nist_ai_rmf)
- NIST CSF 2.0 (nist_csf)
2026-04-06 11:17:40 +02:00

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---
name: performing-container-escape-detection
description: 'Detects container escape attempts by analyzing namespace configurations, privileged container checks, dangerous
capability assignments, and host path mounts using the kubernetes Python client. Identifies CVE-2022-0492 style escapes
via cgroup abuse. Use when auditing container security posture or investigating escape attempts.
'
domain: cybersecurity
subdomain: container-security
tags:
- performing
- container
- escape
- detection
version: '1.0'
author: mahipal
license: Apache-2.0
nist_csf:
- PR.PS-01
- PR.IR-01
- ID.AM-08
- DE.CM-01
---
# Performing Container Escape Detection
## When to Use
- When conducting security assessments that involve performing container escape detection
- When following incident response procedures for related security events
- When performing scheduled security testing or auditing activities
- When validating security controls through hands-on testing
## Prerequisites
- Familiarity with container security concepts and tools
- Access to a test or lab environment for safe execution
- Python 3.8+ with required dependencies installed
- Appropriate authorization for any testing activities
## Instructions
Audit Kubernetes pods for container escape vectors including privileged mode,
dangerous capabilities, host namespace sharing, and writable hostPath mounts.
```python
from kubernetes import client, config
config.load_kube_config()
v1 = client.CoreV1Api()
pods = v1.list_pod_for_all_namespaces()
for pod in pods.items:
for container in pod.spec.containers:
sc = container.security_context
if sc and sc.privileged:
print(f"PRIVILEGED: {pod.metadata.namespace}/{pod.metadata.name}")
```
Key escape vectors:
1. Privileged containers (full host access)
2. CAP_SYS_ADMIN capability
3. Host PID/Network/IPC namespace sharing
4. Writable hostPath mounts to / or /etc
5. Docker socket mount (/var/run/docker.sock)
## Examples
```python
# Check for docker socket mounts
for vol in pod.spec.volumes or []:
if vol.host_path and "docker.sock" in (vol.host_path.path or ""):
print(f"Docker socket exposed: {pod.metadata.name}")
```