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ctf-misc-pixel-stego

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Decipher pixel-level steganography in CTF challenges.

Software Engineering#data extraction#image analysis#binary analysis#steganography#CTF
Authorzaiyemeiyou404
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps analyze and extract hidden information from images used in CTF challenges, allowing users to uncover data that may be used to solve the challenge.

Core Features & Use Cases

  • Discrete Color Encoding Detection: Identifies images with unusual color patterns that may indicate steganography.
  • Nibble Extraction: Extracts hidden text from BMP images encoded with nibble-level precision.
  • GIF Frame Analysis: Inspects GIF images for hidden data, particularly in sparse frames.
  • ELF Embedded Image Extraction: Extracts images embedded within ELF binaries for analysis.
  • Oracle Probing: Uses single-character probing to deduce encoding and decode images when an API is available.
  • Use Case: When faced with a CTF challenge involving pixel-level steganography, this Skill can be used to uncover hidden messages or data.

Quick Start

Run the 'ctf-misc-pixel-stego' skill on the provided image to detect steganography and extract hidden information.

Dependency Matrix

Required Modules

PillowstructrequestsPIL

Components

scriptsreferences

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: ctf-misc-pixel-stego
Download link: https://github.com/zaiyemeiyou404/Hermes/archive/main.zip#ctf-misc-pixel-stego

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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