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Table of Contents

  1. Overview
  2. Background
  3. Find The Flag
  4. Conclusion



I was sorting through my photo album and I cannot seem to place this picture. Can you let me know what suburb this is in?

Flag format DUCTF{suburb}

Author: Nosurf

Find The Flag

In this challenge, we can download a file:

└> file ComeACroppa.png    
ComeACroppa.png: PNG image data, 1682 x 1238, 8-bit/color RGBA, non-interlaced

In this image, we can actually see 1 big hint - the building on the left-hand side:

We can also upload this image to Google Lens for reverse image search:

Right off the bat, the first result is very similar to the challenge’s image!

Let’s go to that website and search for 1800, 1866, 1860, etc.

Upon searching, I found this “Scotch Pie House”:

Which matches the challenge’s image’s left-hand side building! And the suburb is “Maldon”.


What we’ve learned:

  1. Reverse image search