Root-Xmas 2025 - Christmas Card Generator (Day 19)

Author's writeup for Christmas Card Generator.

December 25, 2025 · nikost

404CTF 2025 - Sideral Noise

Sideral Noise writeup: nginx cache poisoning via header injection.

June 1, 2025 · nikost

Root Me CTF20k - Crypto

Author's writeup for Silent(er) hint, RSA Customer Service, RMUTES and ECDHivemind (+ Revenge).

May 19, 2025 · nikost

Root Me CTF20k - Pwn

Author's writeup for Root Me lottery.

May 15, 2025 · nikost

Root Me CTF20k - Reverse

Author's writeup for libsus, Security through 1 million instructions.

May 12, 2025 · nikost

2024 Root-Xmas Challenge 3/3

Root Me Christmas challenge solutions - Days 17-24.

December 24, 2024 · nikost

2024 Root-Xmas Challenge 2/3

Root Me Christmas challenge solutions - Days 09-16.

December 17, 2024 · nikost

2024 Root-Xmas Challenge 1/3

Root Me Christmas challenge solutions - Days 01-08.

December 9, 2024 · nikost

LeHACK 2024 - Challenge Root Me

Short writeup for the Root Me challenge at LeHACK 2024.

July 10, 2024 · nikost

Google CTF 2024 - hwsim

Designing a hardware backdoor in a 8-bit adder logic circuit.

June 26, 2024 · nikost