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May 31, 2023
in misc
5 min read

SECCON Quals 2022 - Noiseccon

Noise! Noise! Noise!

Challenge Files | Solution Files

May 31, 2023
in misc, side-channel
4 min read

SECCON Quals 2022 - Txtchecker

I'm creating a text file checker. It still in the process of implementation...

Challenge Files | Solution Files

May 23, 2023
in crypto, diffie-hellman, legendre
4 min read

CSCG 2023 - Casino

Making decisions is hard. Even for smart people like Diffie or Hellman. Maybe you can still win the lottery somehow 🤷.

Challenge Files

May 23, 2023
in crypto, rsa
6 min read

GreyCTF 2023 - OT

Oblivious Transfer is amazing :D

Challenge Files | Solution Files

May 2, 2023
in linux, rev, anti-debug
9 min read

CSCG 2023 - Traps

A flag checker. Cheap entertainment.

Challenge Files

May 1, 2023
in windows, pwn, rop
3 min read

CSCG 2023 - ConsoleApplication1

Everybody likes Win PWN so here is a simple challenge to get you started :)

Challenge Files

May 1, 2023
in linux, pwn, rop, stack-overflow
4 min read

CSCG 2023 - Once

A basic stack overflow. How hard could it be?

Challenge Files

May 1, 2023
in linux, misc, toctou
17 min read

CSCG 2023 - VM

Look at this totally not over-engineered virtual machine, almost like the real thing!

Challenge Files

May 1, 2022
in linux, pwn
4 min read

CSCG 2022 - GearBoy

Straight forward task: Exploit the Gearboy emulator.

Challenge Files