$ ctf42

Challenges

Category
Difficulty
CTFtime weight
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Higher weight ≈ harder, more prestigious event.
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45 challenges · browse all techniques

Challenge CTF Weight Category Has
Blinky
#pointer-authentication#speculative-execution#cache-side-channel#mips
 R3CTF 2026 35.95 Misc files wu 1
HEuristic
#ckks#microsoft-seal#approximate-common-divisor#lattice
 R3CTF 2026 35.95 Misc files wu 1
Tsukis_Rhythm_Game
#pyinstaller#aes-cbc#marshal-bytecode#malware-c2
 R3CTF 2026 35.95 Misc files wu 1
mafuyuuuuu
#xoshiro256#prng-state-recovery#dotnet-random
 R3CTF 2026 35.95 Misc files wu 1
r3ticket
#lagrange-interpolation#negative-index#linear-algebra
 R3CTF 2026 35.95 Misc files wu 1
trustedhash
#tpm2#remote-attestation#sealed-object#pcr
 R3CTF 2026 35.95 Misc files wu 1
BabyCOM R3CTF 2026 35.95 Misc files
Encrypted_Activation R3CTF 2026 35.95 Misc files
Escape_CET R3CTF 2026 35.95 Misc files
FunnyGame R3CTF 2026 35.95 Misc files
Inside R3CTF 2026 35.95 Misc files
MineMaze R3CTF 2026 35.95 Misc files
P1gROXY R3CTF 2026 35.95 Misc files
Security_Usage_Intelligence R3CTF 2026 35.95 Misc files
Time_Capsule R3CTF 2026 35.95 Misc files
Whisper R3CTF 2026 35.95 Misc files
definitely_not_a_web_chal R3CTF 2026 35.95 Misc files
ezvpn R3CTF 2026 35.95 Misc files
lift R3CTF 2026 35.95 Misc files
mafuyuuuuu_2 R3CTF 2026 35.95 Misc files
pewpew R3CTF 2026 35.95 Misc files
polys R3CTF 2026 35.95 Misc files
r3chat R3CTF 2026 35.95 Misc files
r3map R3CTF 2026 35.95 Misc files
r3reach R3CTF 2026 35.95 Misc files
rECp1cG R3CTF 2026 35.95 Misc files
someday R3CTF 2026 35.95 Misc files
tap2pwn R3CTF 2026 35.95 Misc files
teRRibleRing R3CTF 2026 35.95 Misc files
z3kapig R3CTF 2026 35.95 Misc files
Bullying_ELF R3CTF 2025 54.67 Misc files
No_Brackets R3CTF 2025 54.67 Misc files
PigSay R3CTF 2025 54.67 Misc files
R3GIRL_in_Paris R3CTF 2025 54.67 Misc files
aiseisei R3CTF 2025 54.67 Misc files
auto_r3view_revenge R3CTF 2025 54.67 Misc files
magic_svg R3CTF 2025 54.67 Misc files
r3craft R3CTF 2025 54.67 Misc files
r4craft R3CTF 2025 54.67 Misc files
soundless R3CTF 2025 54.67 Misc files