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ctf-stego

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Uncover hidden data in media for CTFs.

Data & Analytics#image#audio#steganography#binwalk#CTF#steganalysis#stegtools
Authorramzxy
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps you detect and extract hidden information embedded in media files using steganography techniques to solve CTF challenges and security analyses.

Core Features & Use Cases

  • Image Steganography Analysis: Identify and extract hidden data from images using LSB, metadata, and format tricks.
  • Audio/Video Steganography: Analyze audio and video payloads for concealed messages or data, including spectrograms and encoded streams.
  • Use Case: Apply to capture-the-flag challenges, digital forensics investigations, and media file audits to locate flags or hidden payloads.

Quick Start

  • Basic analysis file image.png exiftool image.png strings image.png | grep -iE "flag|ctf" binwalk image.png xxd image.png | tail
  • Steganography tools steghide extract -sf image.jpg steghide extract -sf image.jpg -p "" zsteg image.png stegsolve
  • Python-based extraction from PIL import Image

Examples: load image and inspect pixels for anomalies

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 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-stego
Download link: https://github.com/ramzxy/CTF/archive/main.zip#ctf-stego

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