Bufferfly

We've been hunting the space goblins for quite some time now. However, we're still having some trouble identifying their leader. In our last mission, we found a mysterious-looking chest that we think might contain some useful information. Could you help us open it?

https://19.tghack.no/page/Pwntions%20tutorial

Mprotect is a very useful function that can be used to make areas of memory executable.