---
# System prepended metadata

title: 'Africahackon: Digital Invisible Ink Steganography'

---

# Africahackon: Digital Invisible Ink Steganography

![date](https://img.shields.io/badge/date-10.11.2021-brightgreen.svg)  
![solved in time of CTF](https://img.shields.io/badge/solved-in%20time%20of%20CTF-brightgreen.svg)  
![warmup category](https://img.shields.io/badge/category-Steg-lightgrey.svg)
![score](https://img.shields.io/badge/score-75-blue.svg)

## Description
i heard you likes memes XD » hint=John Cena :)
## Attached files
- [Diit.png](https://github.com/mystickev/CTFwriteups/blob/Writeups/Africahackon/files/chall1.png)

## Summary
This challenge was about digital Invisible ink..which is a steg method used to conceal a message. The idea behind it is replacing some information with a concealed message through a cover object. This makes any digital stream a viable carrier.
## Flag
```
ah{redacted}
```

## Detailed solution
Doing a bit of research on digital ink steg, led me to one java tool. The DIIT project can be found at http://diit.sourceforge.net/ Download the tool and load the image.I used the battle steg algorithm which successfully decrypted the concealed image to a text file

![](https://i.imgur.com/djCrTxQ.png)


## Takeaways
With the rich playground of digital streams and formats, more uncommon steg methods are always being invented. Its important to keep track by searching for new tricks
