Minecraft Seed Finding

1 minute read

Intro

See, Minecraft seed finding has always amazed me, but when confronted to it, i find it pretty hard to understand anything.

As of now i haven’t achieved much, but i wanted to post out this article in hopes of motivating me.

Dungeon / Monster room

During Davinci CTF, we stumbled accross the following challenge:

davinci ctf challenge description

screenshot.zip

So, we need to find a world seed from a set of picture. Mmmmmh since it was my first time in seed reversing i didn’t even know where to start.

Let’s take a look at the pictures first, shall we ?

davinci ctf challenge description picture: 2/30

I found this picture useful because i thought we could do something of the presence of a desert in 0;0.

davinci ctf challenge description picture: 22/30

Then came this one, a picture of a dungeon with coordinate, i knew dungeon were so rare in minecraft that it had to be a picture we would need to use to find our world seed.

After looking for some times on talks, papers or anything remotely connected to our problem, i stumbled this github repository