Protostar - Stack 01
In this challenge we're going to use the previous technique of modyfing variables on the stack in order to overwrite the value into the desired one.
Protostar - Stack 00
Introductionary challenge supposed to teach about the concept of memory in computer systems, especially the stack.
AngstromCTF - md5
The story about why we have to check types of the input passed in PHP.
AngstromCTF - slots
Slots is an easy challenge that made me struggle a bit.