February 2022

In this challenge called GET aHEAD we are dealing with Http Request methods. We are given an URL http://mercury.picoctf.net:47967/ and as description the following text:… Read More »picoCTF GET aHEAD

This one is about the Transformation challenge on picoCTF. On this challenge you get a file called ‘enc’ and a code snipped ”.join([chr((ord(flag[i]) << 8)… Read More »picoCTF Transformation

This writeup is about solving the Nice netcat challenge on picoCTF. The description tells us that “There is a nice program that you can talk… Read More »picoCTF Nice netcat

Let’s solve the information challenge on picoCTF. This time you get a file called “cat.jpg” and the description says that “Files can always be changed… Read More »picoCTF information

The next challenge is called Wave a flag and is about dealing with binaries. Once you’ve downloaded the file, open a terminal in the same… Read More »picoCTF wave a flag

This CTF challenge called python wrangling is about dealing with python on the commandline. You get a python script called “ende.py”, a file with the… Read More »picoCTF python wrangling

The picoCTF Mod 26 is about ROT13, a special type of the caesar substitution cipher. In the caesar cipher you define an offset of which… Read More »picoCTF Mod 26