$ ctf42

Challenges

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

Challenge CTF Weight Category Has
rotated
#reversing#byte-rotation
 TJCTF 2026 – Reverse files wu 1
boxed-python
#pyinstaller#reversing
 TJCTF 2022 – Reverse files wu 1
div3rev TJCTF 2023 – Reverse files wu 1
block-game TJCTF 2022 – Reverse files wu 1
maze_escape TJCTF 2026 – Reverse files
polaroid TJCTF 2026 – Reverse files
remoose TJCTF 2026 – Reverse files
artifact TJCTF 2025 – Reverse files
config TJCTF 2025 – Reverse files
guess_again TJCTF 2025 – Reverse files
neural_inversion TJCTF 2025 – Reverse files
rubix_cube TJCTF 2025 – Reverse files
serpent TJCTF 2025 – Reverse files
cagnus_marlsen TJCTF 2024 – Reverse files
clf3 TJCTF 2024 – Reverse files
embedder TJCTF 2024 – Reverse files
garfield_mondays TJCTF 2024 – Reverse files
guess_what TJCTF 2024 – Reverse files
pseudo_brainrot TJCTF 2024 – Reverse files
slider TJCTF 2024 – Reverse files
stream_complimentary TJCTF 2024 – Reverse files
wt_two TJCTF 2024 – Reverse files
dream TJCTF 2023 – Reverse files
drm-2 TJCTF 2023 – Reverse files
ily-df TJCTF 2023 – Reverse files
maybe TJCTF 2023 – Reverse files
save-trees TJCTF 2023 – Reverse files
scramble TJCTF 2023 – Reverse files
wtmoo TJCTF 2023 – Reverse files
fast-web TJCTF 2022 – Reverse files
take-a-l TJCTF 2022 – Reverse files
woodchipper TJCTF 2022 – Reverse files