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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: Web Cache Poisoning Attack Agent

Overview

Tests web applications for cache poisoning vulnerabilities by identifying CDN infrastructure, testing unkeyed headers for reflection and caching, and checking for cache deception paths.

Dependencies

Package	Version	Purpose
requests	>= 2.28	HTTP requests with custom headers

Core Functions

`identify_cache_layer(target_url)`

Detects caching infrastructure (Cloudflare, Varnish, Akamai, Fastly, CloudFront) from response headers.

Returns: dict with cdn_detected, cache headers

`test_cache_hit_miss(target_url)`

Sends 3 sequential requests with cache buster to observe HIT/MISS progression.

Returns: dict with per-request cache status

`test_unkeyed_headers(target_url)`

Tests 10 common unkeyed headers (X-Forwarded-Host, X-Original-URL, etc.) for reflection and cache poisoning.

Process: Send header -> check reflection -> re-request without header -> verify cached poison
Returns: list[dict] with reflected, cached_poison, risk

`test_cache_key_normalization(target_url)`

Tests cache key handling for extra parameters, fragments, and trailing slashes.

Returns: list[dict] - variation test results

`test_cache_deception(target_url)`

Tests web cache deception by requesting authenticated pages with static file extensions (.css, .js, .png).

Returns: list[dict] - cached sensitive endpoints

`run_assessment(target_url)`

Full assessment pipeline with summary statistics.

Unkeyed Headers Tested

Header	Attack Vector
X-Forwarded-Host	Host override for poisoning links/redirects
X-Forwarded-Scheme	HTTPS downgrade to HTTP
X-Original-URL	Path override (Nginx/IIS)
X-Rewrite-URL	Path override
X-Host	Alternative host injection
X-Forwarded-Port	Port injection

Risk Levels

Level	Criteria
CRITICAL	Header reflected AND cached (full cache poison)
HIGH	Header reflected but not confirmed cached

Usage

python agent.py https://target.example.com

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