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protocol-reverse-engineering

Capture, dissect, and analyze network traffic to reverse engineer protocols.

2|Updated Jan 18, 2026
Search Tags:#security#analysis#protocol#network#reverse engineering#capture#dissection
One-click install
npx skills add https://github.com/as4584/antigravity-skills --skill protocol-reverse-engineering-as4584
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: protocol-reverse-engineering
Source: https://github.com/as4584/antigravity-skills/tree/main/agents-wshobson/plugins/reverse-engineering/skills/protocol-reverse-engineering
Command: npx skills add https://github.com/as4584/antigravity-skills --skill protocol-reverse-engineering-as4584

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps you understand and document unknown or proprietary network protocols by capturing, analyzing, and dissecting network traffic.

Core Features & Use Cases

  • Traffic Capture: Utilizes tools like Wireshark, tcpdump, and mitmproxy to capture network data.
  • Protocol Analysis: Analyzes captured packets using Wireshark, tshark, and custom Python scripts with Scapy.
  • Protocol Identification: Identifies protocols based on common signatures and header patterns.
  • Binary Protocol Parsing: Provides Python examples for parsing custom binary protocols.
  • Encryption Analysis: Offers methods to identify and analyze encrypted traffic, including TLS/SSL.
  • Documentation: Guides on creating protocol specifications and Wireshark dissectors.
  • Active Testing: Demonstrates fuzzing with Boofuzz and replaying/modifying captured traffic.
  • Use Case: You encounter a custom application communicating over the network, and you need to understand its communication protocol to integrate with it or identify security vulnerabilities.

Quick Start

Use the protocol-reverse-engineering skill to capture network traffic on interface eth0 and save it to capture.pcap.

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, you capture traffic using tools like Wireshark or tcpdump, then dissect and analyze the packets with custom Python scripts and Scapy to understand the communication structure.

What is the best way to parse a custom binary network protocol?▼

Parsing a custom binary protocol involves capturing the network packets and using Python scripts with Scapy to inspect headers and payloads, allowing you to identify patterns and extract the data structures.

Can I identify encrypted traffic and analyze TLS or SSL communications during protocol analysis?▼

Yes, during protocol analysis you can identify encrypted traffic by inspecting packets for TLS or SSL signatures, and use mitmproxy to intercept and analyze the secure network communications.

How do I create a Wireshark dissector for an unknown protocol?▼

You can create a Wireshark dissector by documenting the protocol specifications derived from your packet analysis, enabling Wireshark to parse and display the custom protocol fields natively.

Does active protocol testing with Boofuzz help find security vulnerabilities?▼

Active protocol testing with Boofuzz helps find security vulnerabilities by fuzzing the network protocol, sending malformed inputs to the target application to identify crashes or unexpected behaviors.

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