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write-ups-challenges-2022-2023/duck-store/PHYSICAL_INSTRUCTIONS.md
Robbe De Greef 0ac8165900 initial commit
2022-11-24 22:59:22 +01:00

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Physical instructions

WARNING THIS FILE CONTAINS (a part of) THE SOLUTION TO THE CHALLENGE.

Choose a location for the QR code

The goal of the (virtual) part of the challenge is to find a certain Twitter account.
This Twitter account @duck_lover_111 should then contain a tweet with a picture of the location of a QR code.
The PDF document with the QR code that should be placed in this location is provided (qrcode.pdf).

Steps you need to take in order to hide the flag:

  1. Print the PDF document containing the QR code.
  2. Place the document somewhere in an accessible location on the campus. (make sure the location is easy to find for non-VUB students as well.)
  3. Take a picture at the location (but don't show the QR code in the image, of course)
  4. Tweet the picture with optionally a caption from the @duck_lover_111 account. You can also geotag the tweet to make it easier to solve. (The main challenge is finding the twitter account.)

Twitter account credentials

Ask Seppe