Soccer is an easy Linux machine. It has three ports open one of which is a webpage that contain a tiny file manager instance running. Using default...

Instant is a medium Linux box. We are given an apk file which we can extract to view its source code. Inside this code we see that it is making API...

Builder is a medium Linux box. The machine only has two ports open one of which is an open Jenkins portal. This version of Jenkins is vulnerable to...

This machine was quite hard for me. I learned a lot about exploiting ruby data serialization and finding information inside of pdf files with exif...

This was a really fun box. It is also the first medium I have completed and I only needed a tiny tip to fully root it. We are given Olivia’s creden...

Return is an easy Windows machine. It has a lot of ports open which might be overwhelming at first but if you enumerate carefully you can quickly d...

This machine was hard but very rewarding. To get a foothold you have to be able to generate valid invite codes and you must edit your own user data...

I found this machine fun. It is pretty easy if you are able to enumerate the website properly. The main website does not have anything interesting ...