Hacktivitycon 2021

Target Practice

Solved By : ava

We are given a GIF file, which actually works, and after opening we can see it has some sort of code on it, which changes pretty quick, so we need to split GIF into frames, I used https://ezgif.com/split to split and then downloaded all frames, and did a quick google re-image search on one of them, which result us in knowing that it is called MAXICODE, used by UPS. then I found i MAXICODE decoder - https://products.aspose.app/barcode/recognize/maxicode# and i had to manually check every image, which seems like not the intended way, but okie. The 15th frame (if you started counting from 0) has the flag


Published on : 20 Sep 2021