Pêche au livre
In this challenge, we are given a Wireshark capture available here.
To solve this challenge, we just have to dump all the file of the HTTP traffic like this:
We can click then on Save All or just save the images one by one:
We can now look at the images:
And if we open the Hegel-sensei-uwu.png file, we get the flag:
The flag is 404CTF{345Y_W1r35h4rK}