Our writeups for CTFs are stored here.
Cryptography
RSA
Aug. 30th, 2020
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Cryptography
RSA
Aug. 15th, 2020
Sometimes it is the people no one imagines anything of who do the things that no one can imagine.
Cryptography
RSA
Aug. 15th, 2020
The encryption validation thread model is invalid!
Cryptography
Crypto
Aug. 15th, 2020
Is it normal to have such encoding?
Cryptography
RSA
July 26th, 2020
Howgrave-Graham and Seifert's Attack
Cryptography
CRT
July 20th, 2020
CRT Bruteforce
Miscellaneous
Trivial Survey Feedback
July 20th, 2020
Please fill out the feedback survey here! https://forms.gle/qfWGeN6jFf5kRcZW8
Miscellaneous
Discord Bots
July 20th, 2020
If you solve this challenge, straightup you have Omega Stonks. (Buy this flag from IsabelleBot)
Java
July 15th, 2020
There's this small up and coming language called java I want to tell you about
Web Exploitation
JS
July 15th, 2020
I AM SPEED! Beat me at TypeRacer and the flag is all yours!
Cryptography
Classical Easy
July 15th, 2020
It's a fine day to break some ciphers!
Miscellaneous
Git
July 15th, 2020
*waddle waddle*
Web Exploitation
JS
July 15th, 2020
Hello there, I invite you to one of the largest online global events in history ... the Tic Tac Toe World Championships!
Miscellaneous
Esolang
July 15th, 2020
Here's a harder Laser challenge. Given an input stack of numbers, sort them in descending order.
Forensics
Packet Capture
July 15th, 2020
We are investigating an individual we believe is connected to a group smuggling drugs into the country and selling them on social media. What is the phone number of the suspect's criminal contact?
Miscellaneous
Easy
July 15th, 2020
can u haz a meaningful career in cybersecurity tool development? we hope so!
Miscellaneous
Esolang
July 15th, 2020
Do you like lasers? I like lasers! Here's a warmup: create a program that factors the one number given as input.
Reversing
Easy
July 15th, 2020
I've made this flag decryptor! It's super secure, but it runs a little slow.
Miscellaneous
Easy Bases
July 15th, 2020
This is a nice and basic challenge.
Forensics
Stego
July 15th, 2020
s h o o b