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name: "Hidden Runes" | ||
author: Sophia | ||
category: Crypto | ||
description: |- | ||
A capsule concealing a mysterious message has been discovered on the Main Quad. | ||
You heard that those who decipher the message get to be featured in the Daily Illini! | ||
Can you decrypt the following text? | ||
**author**: Sophia | ||
value: 150 | ||
type: dynamic | ||
tags: | ||
- easy | ||
extra: | ||
initial: 150 | ||
decay: 125 | ||
minimum: 100 | ||
flags: | ||
- sigpwny{alphabets_are_very_fun} | ||
files: | ||
- mysterious_message.txt | ||
hints: | ||
- Substitution cipher with random characters | ||
- Use context clues to figure out what common words translate to. | ||
state: hidden |
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☉☾♄♄☿! ♀♂ ♃♆♀☾ ♇♅ ♀♆♃♈♉. ♇ ♄♉☽☾ ♅♊♆♋☾ ♆♃♌ ♆♄♊☉♆♍☾♎♅. ♇ ♏♆♃♎ ♎♉ ♈♉ ♎♉ ♅♊♆♋☾ ♉♃☾ ♌♆♂. ♇♃ ♎☉☾ ♀☾♆♃ ♎♇♀☾, ☉☾♐☾ ♇♅ ♎☉☾ ♑♄♆♈: | ||
♅♇♈♊♏♃♂{♆♄♊☉♆♍☾♎♅_♆♐☾_☽☾♐♂_♑♒♃} | ||
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This is a substitution cipher. | ||
♅♇♈♊♏♃♂ comes right before the set of braces {}, so we know that must stand for sigpwny. | ||
Each character matches to a letter in the english alphabet. | ||
We can spot words like "I", "is", and "the" and use the mappings to decipher the message. | ||
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Key: | ||
☉ = h | ||
☾ = e | ||
♄ = l | ||
☿ = o | ||
♀ = m | ||
♂ = y | ||
♃ = n | ||
♆ = a | ||
♇ = I | ||
♅ = s | ||
☽ = v | ||
♈ = g | ||
♉ = o | ||
♊ = p | ||
♋ = c | ||
♌ = d | ||
♍ = b | ||
♎ = t | ||
♏ = w | ||
♐ = r | ||
♑ = f | ||
♒ = u | ||
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Decoded message: | ||
Hello! My name is Mango. I love space and alphabets. I want to go to space one day. | ||
In the mean time, here is the flag: sigpwny{alphabets_are_very_fun} |
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