---
description: '{"authors": ["ret2basic"]}'
---

# Forensics

## advanced-potion-making

{% hint style="success" %}
Solved by ret2basic
{% endhint %}

### Challenge

Ron just found his own copy of advanced potion making, but its been corrupted by some kind of spell. Help him recover it!

[advanced-potion-making](https://artifacts.picoctf.net/picoMini+by+redpwn/Forensics/advanced-potion-making/advanced-potion-making)

### Solution

Follow the [PNG format guide](https://github.com/corkami/formats/blob/master/image/png.md) and fix the given corrupted PNG file:

![Fix corrupted PNG file](https://223316867-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MWVtlSxURaW2QQu6RU5%2Fuploads%2Fgit-blob-1f56549143b2e01d6f0692cdcd7711759f206428%2Fimage.png?alt=media)

Get flag in **stegsolve**:

![Get flag](https://223316867-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MWVtlSxURaW2QQu6RU5%2Fuploads%2Fgit-blob-93c7d3021c0f64636e2ae09b0915ce67407e379a%2Fimage.png?alt=media)
