OSINT Time! Welcome to anotehr writeup. This time not web, but OSINT 🤝

The official writeup in Connectors CTF Quals 2025.

We have got an image of a beach:

A simple reverse image search shows us that this is "Agiba Beach, Matrouh, Egypt" Map Link:

On the mab you direcltly notice the bay:

And can guess I was in this red square area:

Closest cafe is "كافيه هضبة عجيبة" and you can see the cotact number there: CONCTF201003131182

This was an easy one! Now for the next challenge!

Description: "Ali Abdullah is an artist with deep respect for Hajime Isayama. Somewhere in his digital footprint, admiration turns into a trail of clues. Trace his steps across platforms, and you may find a flag has quietly left behind."

Ali Abdullah.. first let's see who is this "Hajime Isayama" person. A quick search shows he is the author of "Attack on Titan" manga.

So we know that Ali Abdullah is a fan of this manga. And since he is an artist, that makes sense.

You can search google for "Ali Abdullah artist" or "Ali Abdullah Attack on Titan", but you won't find anything. Next thing you try is social media.

The right platform is Linkedin. Searching for "Ali Abdullah" and filtering by Industry "Artist and Writers":

We find our guy! And to make sure you will find a post on his profile mentioning "Attack on Titan":

Here you could search with the same username on other platforms, but that will lead you nowhere.

In contact info you will find the email: officialnerddd@gmail.com, using the username "officialnerddd", you will find an instagram account with it.

In the post comment there is:

You can hex decode the string to get:

Which got you the flag: CONCTF{T4t4k41_t1ll_th3_3nd}