$ ctf42

#predictable-rng CTF challenges

3 CTF challenges using predictable-rng from 3 CTFs (2020–2025), 3 with writeups. Mostly Misc (67%) and Reverse (33%).

Misc · 2 Reverse · 1

Often combined with

#srand 1 #c++-reversing 1 #smart-contract 1 #storage-read 1

Challenges

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Challenge CTF Weight Category Has
SeedSpring VirSecCon 2020 22.79 Misc files wu 2
roulette_wheel b01lers 2021 22.99 Reverse files wu 2
Mafia_at_the_end_2 PwnMe 2025 Quals 24.95 Misc files wu 1