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PicoCTF-2022 writeups


morse-code

03/29/2022

Morse code is well known. Can you decrypt this?


credstuff

03/29/2022

We found a leak of a blackmarket website's login credentials. Can you find the password of the user cultiris and successfully decrypt it?


basic-mod2

03/29/2022

A new modular challenge!


basic-mod1

03/29/2022

We found this weird message being passed around on the servers, we think we have a working decryption scheme.


Operation Orchid

03/27/2022

Sleuth kit on disk image


Wizardlike

03/16/2022

Do you seek your destiny in these deplorable dungeons? If so, you may want to look elsewhere. Many have gone before you and honestly, they've cleared out the place of all monsters...


Unpackme.py

03/15/2022

Can you get the flag? Reverse engineer this Python program.


Patchme.py

03/15/2022

Can you get the flag? Run this Python program in the same directory as this encrypted flag.


file-run2

03/15/2022

Another program, but this time, it seems to want some input. What happens if you try to run it on the command line with input "Hello!"?


file-run1

03/15/2022

A program has been provided to you, what happens if you try to run it on the command line?


Bloat.py

03/15/2022

Can you get the flag? Run this Python program in the same directory as this encrypted flag.


Safe Opener

03/15/2022

Can you open this safe? I forgot the key to my safe but this program is supposed to help me with retrieving the lost key. Can you help me unlock my safe?


GDB Test Drive

03/15/2022

Can you get the flag? Here's the test drive instructions: