Last week, Our team participated in the Knight CTF 2025. We placed 171th out of the 800 teams. Our team solved 14 challenges in which I contributed to 9 of them. This is also the ctf where I have solved most challenges.
Osint
The Hidden Quest
Desc :
As we can see, It is specified that the secret lies in somewhere in their recent posts.
Also If you if you read the first line it seems something intentional.
The journey begins even before the battle starts!
This line hints that the secret has been revealed before the event. Searching for their social media I found that they had a facebook and twitter account from their contact us page.
Going through their posts before the event. I found
By zooming in , we can see the flag
Flag : KCTF{w0W_y0U_G07_m3_}
Networking
The Server’s Identity
Desc:
We were given an pcapng which can used with wireshark to analyse the packets. So After inputting the pcapng file. We can see that It has a lot of http requests. By the checking the first package itself and checking the data in it, We are able to make out the hostname.
Flag: KCTF{localhost.localdomain}