$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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994 challenges · browse all techniques

Challenge CTF Weight Category Has
rserver RCTF 2022 – Pwn files
web_run RCTF 2022 – Reverse files
Ez_Pager_Tiper SUSCTF 2022 – Crypto files
InverseProblem SUSCTF 2022 – Crypto files
SpecialCurve3 SUSCTF 2022 – Crypto files
dddart SUSCTF 2022 – Reverse files
ez_note SUSCTF 2022 – Web files
happytree SUSCTF 2022 – Pwn files
hell_world SUSCTF 2022 – Reverse files
kqueue SUSCTF 2022 – Pwn files
kqueue_revenge SUSCTF 2022 – Pwn files
large_case SUSCTF 2022 – Crypto files
mujs SUSCTF 2022 – Pwn files
rain SUSCTF 2022 – Pwn files
tttree SUSCTF 2022 – Reverse files
ListBook 0CTF 2021 Quals – Pwn files wu 1
babyheap2021 0CTF 2021 Quals – Pwn files wu 2
BabyDefi N1CTF 2021 53.54 Crypto files wu 3
godness_dance SCTF 2021 – Reverse files wu 2
If_on_a_winters_night_a_traveler 0CTF 2019 Quals – Pwn files wu 1
babyaegis 0CTF 2019 Quals – Pwn files wu 1
zerotask 0CTF 2019 Quals – Pwn files wu 1
Part5-typechecker N1CTF 2019 24.41 Misc files wu 2
Zer0FS 0CTF 2018 Quals – Pwn files wu 1
Bit_Garden E0F 2026 25.00 Reverse files
Black_Thunk E0F 2026 25.00 Reverse files
Braided_Reality E0F 2026 25.00 Reverse files
Exit_Interview E0F 2026 25.00 Reverse files
Gopher_Carousel E0F 2026 25.00 Reverse files
Hensel_and_Gretel E0F 2026 25.00 Reverse files
NaN_Penguin_Cipher E0F 2026 25.00 Reverse files
Neon_Casuality E0F 2026 25.00 Reverse files
Parallex_Engine E0F 2026 25.00 Reverse files
Phant0m_C4llb4ck E0F 2026 25.00 Reverse files
Return_to_Sender E0F 2026 25.00 Reverse files
Snake_Oil_Bytecode E0F 2026 25.00 Reverse files
Token_Curtain E0F 2026 25.00 Reverse files
Unwind_Me_Maybe E0F 2026 25.00 Reverse files
BootsTrapping LilacCTF 2026 25.00 Crypto files
C++++ LilacCTF 2026 25.00 Reverse files