Labs / Sonic Cipher
- Daily Challenge
- Released 15 Jul 2025
The lab needs to be started first.
Step 1: Click on the green button to Start the Lab
Step 2: Hack the URL or IP of the lab
Step 3: Use your skills and logic to find the flags!
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Daily Challenge
Sonic Cipher - Challenge Description
Challenge Overview
A WAV audio file has been provided. Your task is to extract the hidden flag, which is not audible in the sound. Use your steganography and forensic skills to analyze the audio file and uncover the flag in UUID format.
Learning Objectives
- Learn to analyze audio file structure
- Practice extracting hidden data from WAV files
- Understand least significant bit (LSB) steganography in audio
- Develop forensic analysis skills
Challenge Details
Download the WAV file and use your favorite tools to analyze it. The flag is hidden somewhere in the audio's binary data, not in the audible content. The flag format is a UUID.