$ ctf42

#rc4 CTF challenges

5 CTF challenges using rc4 from 5 CTFs (2022–2026), 5 with writeups. Mostly Reverse (60%) and Crypto (40%).

Reverse · 3 Crypto · 2

Often combined with

#pe-unpacking 1 #keystream-reuse 1 #keystream 1 #reversing 1 #java 1 #apk-reversing 1 #android 1

Challenges

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Challenge CTF Weight Category Has
decompile_me zer0pts 2023 52.62 Reverse files wu 1
Dont_unpack_me Bhackari 2026 – Reverse files wu 1
BabyRC4 SEETF 2023 – Crypto files wu 1
would-you-wordle JerseyCTF 2022 25.00 Crypto files wu 1
Lightbulb CyberSecurityRumble 2023 Quals 24.80 Reverse files wu 1