offensive-waf-bypass skillC
offensive-waf-bypass is agent-read markdown (skill) from miosa-osa/osa: WAF bypass techniques checklist: encoding bypass (URL/HTML/Unicode/double encoding), case variation, comment injection, HTTP header manipulation, chunked encoding, IP rotation, timing attacks, and payload obfuscation per WAF vendor. Use when WAF is blocking payloads during web app tests..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# SKILL: WAF Bypass Techniques
## Metadata
- **Skill Name**: waf-bypass
- **Folder**: offensive-waf-bypass
- **Source**: https://github.com/SnailSploit/offensive-checklist/blob/main/waf-bypass.md
## Description
WAF bypass techniques checklist: encoding bypass (URL/HTML/Unicode/double encoding), case variation, comment injection, HTTP header manipulation, chunked encoding, IP rotation, timing attacks, and payload obfuscation per WAF vendor. Use when WAF is blocking payloads during web app tests.
## Trigger Phrases
Use this skill when the conversation involves any of:
`WAF bypass, web application firewall bypass, URL encoding, double encoding, Unicode bypass, comment injection, HTTP header bypass, chunked encoding, IP rotation, payload obfuscation, WAF evasion`
## Full Methodology
# WAF Bypass Techniques
A Web Application Firewall (WAF) is a security tool that protects web applications from various attacks by analyzing HTTP requests and applying rules to identify and block suspicious traffic. This document outlines effective techniques to bypass WAF protections during security assessments.
```mermaid
graph TD
A[Client] -->|HTTP Request| B[WAF]
…Read the whole file at its exact version.
How to install
mdr add miosa-osa/osa/offensive-waf-bypass@git:20260913.e13b6b8mdr add miosa-osa/osa/offensive-waf-bypass@sha256:927d9ca2fc3b9966Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_ujjbcvwvz5owlowl)
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Versions
Audit of the latest version
- fail: No link to a raw IP address (matched: https://151.101.194.133)
- fail: No script tag (matched: <script)
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (38824 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
Source
miosa-osa/osa · 74 stars · license NOASSERTION · pushed 2026-09-24 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ujjbcvwvz5owlowl GET https://markdownregistry.com/api/v1/resolve?ref=miosa-osa/osa/offensive-waf-bypass GET https://markdownregistry.com/api/v1/blob/927d9ca2fc3b9966eadbadc4fa03552665f0b0b501e5fb19c134954357575234
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