HACKvent 2020 - Day 4

01-01-2021 - 1 minute, 25 seconds - CTF

Challenge - HV20.04 Br❤️celet

Santa was given a nice bracelet by one of his elves. Little does he know that the secret admirer has hidden a message in the pattern of the bracelet…

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HACKvent 2020 - Day 3

01-01-2021 - 2 minutes, 1 second - CTF

Challenge - Packed gifts

One of the elves has unfortunately added a password to the last presents delivery and we cannot open it. The elf has taken a few days off after all the stress of the last weeks and is not available. Can you open the package for us?

We found the following packages:

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HACKvent 2020 - Day 2

01-01-2021 - 1 minute, 16 seconds - CTF

Challenge - Chinese Animals

The challenge description of day 2 read:

I've received this note from a friend, who is a Chinese CTF player:


Unfortunately, Google Translate wasn’t of much help. I suspect the data has somehow been messed up while transmitting...

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HACKvent 2020 – Day 1

01-01-2021 - 0 minutes, 36 seconds - CTF

Happy HACKvent 2020

Welcome to this year’s HACKvent. Attached you can find the “Official” invitation to the HackVent. One of my very young Cyber Elves cut some parts of the card with his alpha scissors.

Have a great HACKvent,

– Santa

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HACKvent 2020 - Day -1

01-01-2021 - 1 minute, 46 seconds - CTF

This is the teaser challenge, released a day before the start of this capture the flag event. We were presented the following text.

On the third day of christmas my true love sent to me…

three caesar salads,
two to (the) six basic arguments,
one quick response.

Sbopb 3 alkb! Lcc tfqe vlr! Db...

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