My First CTF
Writeup for My First CTF (Web) - NahamCon CTF (2025) 💜
Description
On second thoughts I should have probably called this challenge "Nz Gjstu DUG"
Solution
We get through to a "rotten app" with no JS, links, cookies or anything for us to explore!
The challenge description provided a hint; Nz Gjstu DUG
is My First CTF
rotated by 1 (caeser cipher). We can try and ROT1 some endpoints, e.g. /admin
, /flag
and eventually find the correct one is /flag.txt
We try the endpoint /gmbh.uyu
and receive the flag.
Flag: flag{b67779a5cfca7f1dd120a075a633afe9}
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