$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

393 challenges · browse all techniques

Challenge CTF Weight Category Has
rusty_dusty Null 2025 – Crypto files
seo_blog Null 2025 – Web files
sketchy Null 2025 – Pwn files
specifier Null 2025 – Reverse files
wordleOS Null 2025 – Reverse files
aligator UNbreakableInternational 2025 Quals – Web files
ardu_composer UNbreakableInternational 2025 Quals – Reverse files
dev_release UNbreakableInternational 2025 Quals – Mobile files
hunting_phantom_traffic UNbreakableInternational 2025 Quals – Misc files
luma_chain UNbreakableInternational 2025 Quals – Pwn files
my_speciality UNbreakableInternational 2025 Quals – Crypto files
screenshooter UNbreakableInternational 2025 Quals – Web files
secretBook UNbreakableInternational 2025 Quals – Crypto files
secret_antidote UNbreakableInternational 2025 Quals – Forensics files
simple_go UNbreakableInternational 2025 Quals – Reverse files
steg UNbreakableInternational 2025 Quals – Misc files
strange_encoding UNbreakableInternational 2025 Quals – Crypto files
world_of_flags UNbreakableInternational 2025 Quals – Reverse files
xps UNbreakableInternational 2025 Quals – Pwn files
file_factory UNbreakableInternational 2024 – Reverse files
harder_assembly UNbreakableInternational 2024 – Pwn files
heeaap UNbreakableInternational 2024 – Pwn files
krotate UNbreakableInternational 2024 – Crypto files
my_bros_are_chaotic UNbreakableInternational 2024 – Misc files
net UNbreakableInternational 2024 – Misc files
not_allowed UNbreakableInternational 2024 – Pwn files
pin UNbreakableInternational 2024 – Reverse files
sat1sf1 UNbreakableInternational 2024 – Crypto files
wicked_firmware UNbreakableInternational 2024 – Forensics files
wicked_game UNbreakableInternational 2024 – Reverse files
wicked_monitoring UNbreakableInternational 2024 – Forensics files
Dystopia PwnThyBytes 2019 25.00 Misc files
HeapSchool666 PwnThyBytes 2019 25.00 Misc files