CTFtime.org

ЦНИИВТ

by chinhnt2k3 / STeam

Tags: qr stegano 

Rating:

Rearrange what we receive from the server in 41x21 matrix and we get a [QR code](https://github.com/CTF-STeam/ctf-writeups/tree/master/2021/UgraCTF/qr.txt).

![QR](https://github.com/CTF-STeam/ctf-writeups/raw/master/2021/UgraCTF/qr.png)

Flag: `ugra_soviet_technologies_are_eternal_ee7c486eb987`

Original writeup (https://github.com/CTF-STeam/ctf-writeups/tree/master/2021/UgraCTF#%D1%86%D0%BD%D0%B8%D0%B8%D0%B2%D1%82-stegano---150-pts).

Comments

baksist – March 1, 2021, 5:20 p.m.

Server response may not be rendered correctly in some cases (e.g. running on Linux), because it is encoded in CP866
I think it's worth mentioning :)