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Posts Tagged ‘code translation’

Hackvent 2019: Day 19

20 Dec 2019
CTF: Hackvent 2019
Link to challenge: https://academy.hacking-lab.com
Date Completed: 19 December 2019

 

Challenge

HV19.19 ๐ŸŽ…

 

Solution

 

We see a bunch of emoji and immediately think its EmojiCode!
Initially we want to play around with the code so we goย tio.run/#emojicode6ย and enter in our code.

Upon running our code we get a prompt and entering random input crashes our program to panick and crash:

Amazingly, based on the prompt alone of Santa being confused around a lockย emoji (๐Ÿ”’) , I decide to try the key emoji (๐Ÿ”‘) as input.
This actually gave me the flag making the time to completion only 8 minutes!
Unintended but I’ll take it.

Flag:ย  HV19{*<|:-)____\o/____;-D}

 
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Posted in Hackvent 2019