protocol-reverse-engineering

Name: protocol-reverse-engineering
Availability: InStock
Author: jhabbig

Analyze captured network traffic to reverse engineer proprietary protocol structures.

Updated Apr 5, 2026

Search Tags:#tshark #wireshark #network debugging #packet analysis #binary parsing #protocol reverse engineering

Ready to run

npx skills add https://github.com/Jhabbig/Habbig --skill protocol-reverse-engineering-jhabbig

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: protocol-reverse-engineering
Source: https://github.com/Jhabbig/Habbig/tree/main/.claude/plugins/wshobson/reverse-engineering/skills/protocol-reverse-engineering
Command: npx skills add https://github.com/Jhabbig/Habbig --skill protocol-reverse-engineering-jhabbig

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you understand unknown or proprietary network protocols by turning raw traffic into a clear, documented message structure, so debugging, interoperability work, and security research become much easier.

Core Features & Use Cases

Traffic Capture and Inspection: Collect packet traces from live systems and inspect them in common analysis tools.
Protocol Dissection: Identify headers, fields, message boundaries, encodings, and state transitions from observed traffic.
Documentation and Testing: Draft protocol specifications, build parsers or dissectors, and validate behavior with replay or fuzzing.
Use Case: If an application speaks a custom binary protocol, use this Skill to map its messages, describe the format, and create tooling that can decode or simulate it.

Quick Start

Use this skill to analyze the attached capture or trace and produce a concise protocol specification with message types, field layout, and recommended next steps.

Frequently Asked Questions about protocol-reverse-engineering

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I reverse engineer a proprietary network protocol from captured traffic?▼

To reverse engineer a proprietary network protocol, analyze captured packet traces to identify message boundaries, field layouts, encodings, and state transitions, ultimately producing a documented protocol specification.

How does packet analysis help identify unknown binary message formats?▼

Packet analysis decodes unknown binary message formats by inspecting live interception traces and traffic captures to map structural headers, message types, and state transitions for interoperability and security research.

Can I use Wireshark and tshark to dissect custom proprietary protocols?▼

Yes, you can use Wireshark and tshark to inspect captured traffic, map the observed message fields and boundaries, and draft custom protocol dissectors or parsers for decoding proprietary binary streams.

What is the best way to document a custom protocol specification for interoperability?▼

The best way to document a custom protocol specification is to analyze raw traffic captures to extract message types and field layouts, then generate concise specifications to guide interoperability testing and debugging.

How do I validate a reverse engineered protocol specification?▼

Validate a reverse engineered protocol specification by building custom parsers or dissectors from the extracted field layouts, then testing message behavior and state transitions through network replay or fuzzing techniques.

When do I need protocol reverse engineering for network debugging?▼

You need protocol reverse engineering for network debugging when an application speaks an undocumented custom binary protocol, requiring you to map its messages and decode the format to resolve interoperability issues.