Rating:

# VOicE
![Category](http://img.shields.io/badge/Category-Steganography-orange?style=for-the-badge) ![Points](http://img.shields.io/badge/Points-50-brightgreen?style=for-the-badge)

## Details

>A friend of mine sent me an audio file which supposes to tell me the time of our night out meeting, but I can't comprehend the voice in the audio file. Can you help me figure it out? I want to hang out with my friends.
>
> [Download file](https://tinyurl.com/2sa56kbk)
>
> SHA1:3173700e9ba2f062a18707b375fac61049310413
---

If we downlaod the wave audo file and open in Sonic-Visualiser

Next go to the `Transform` menu and `Add Spectogram` for all channels.

![image](https://user-images.githubusercontent.com/73170900/137826761-195775d0-00b2-4d0c-bfd5-010bcb7b377b.png)

One we do this and zoon in a littl;e we can see a flag hidden in the spectogram.

![image](https://user-images.githubusercontent.com/73170900/137826675-be9855ec-3c1d-4acd-9cbf-e26e3b403dec.png)

## flag{1257}

Original writeup (https://github.com/CTSecUK/DEADFACE_CTF_2021/blob/main/Write-ups/Steganography/VOicE%20(50%20Points).md).