Table of Contents
PatriotCTF 2025 - Where's Legally Distinct Waldo Three (OSINT)
by Andrew Liu on 11/27/2025
PatriotCTF 2025
I participated with my club team tjcsc in PatriotCTF 2025, and we got 54th overall!
Challenge: Where’s Legally Distinct Waldo Three
Category: OSINT
Flag: pctf{center_for_the_arts_concert_hall}
So, here is the provided image:
Interesting. I assumed it was on campus because the past two have been so far, and this seems similar. I immediately notice a pond/lake, a sidewalk with a bridge, an arena on the left, and a big parking lot past the trees in the middle. This should be a piece of cake! Let’s look around on Google Maps.
Well this is simply too easy 😭. I see the pond, the arena, parking lot, and a pathway. Let’s note the distinct features from a similar POV:
Now, we can find the building from this angle.
Center for the Arts eh? Let’s try that… Oops! Somehow pctf{center_for_the_arts} didn’t work… Interesting. Let’s gather some more information in street view.
Concert Hall? Let’s try that.
Easy dub! pctf{center_for_the_arts_concert_hall} worked! Unfortunate that I wasted an attempt…