$ ctf42

Challenges

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

Challenge CTF Weight Category Has
SOS WannaGameChampionship 2025 – Web files
Talagrem_Server WannaGameChampionship 2025 – Pwn files
To_Me_The_One_Who_Loved_You WannaGameChampionship 2025 – Web files
Trust WannaGameChampionship 2025 – Web files
VIPLounge WannaGameChampionship 2025 – Blockchain files
Wanderer_s_Snapshot WannaGameChampionship 2025 – Misc files
Where_is_the_malware WannaGameChampionship 2025 – Forensics files
Whos_luckier WannaGameChampionship 2025 – Reverse files
WickedCraft WannaGameChampionship 2025 – Blockchain files
checker WannaGameChampionship 2025 – Reverse files
n0Rush WannaGameChampionship 2025 – Reverse files
CRY1 HCMUS 2023 Quals 9.42 Crypto files
Cute_Quote HCMUS 2023 Quals 9.42 Web files
Go_Mal HCMUS 2023 Quals 9.42 Reverse files
Is_This_Crypto HCMUS 2023 Quals 9.42 Reverse files
M_Side HCMUS 2023 Quals 9.42 Crypto files
Sneak_Peek HCMUS 2023 Quals 9.42 Crypto files
bootleg_aes HCMUS 2023 Quals 9.42 Crypto files
coin_mining HCMUS 2023 Quals 9.42 Pwn files
falsehood HCMUS 2023 Quals 9.42 Crypto files
pickle_trouble HCMUS 2023 Quals 9.42 Pwn files
python_is_safe HCMUS 2023 Quals 9.42 Pwn files
real_key HCMUS 2023 Quals 9.42 Crypto files
string_chan HCMUS 2023 Quals 9.42 Pwn files
Among_SUS WannaGameChampionship 2023 – Crypto files
Art_Galery WannaGameChampionship 2023 – Web files
Bocchi_The_RPC_Server WannaGameChampionship 2023 – Web files
Council_of_Sheep WannaGameChampionship 2023 – Crypto files
Counting_Stars WannaGameChampionship 2023 – Web files
Counting_Stars_2 WannaGameChampionship 2023 – Web files
Happy_Flappy WannaGameChampionship 2023 – Reverse files
MemDisk WannaGameChampionship 2023 – Forensics files
Not_S1mple WannaGameChampionship 2023 – Reverse files
Secure_App WannaGameChampionship 2023 – Web files
St3g0 WannaGameChampionship 2023 – Forensics files
Winner_Of_All_Time WannaGameChampionship 2023 – Pwn files
bpf WannaGameChampionship 2023 – Reverse files
cossin WannaGameChampionship 2023 – Crypto files
ezCurve WannaGameChampionship 2023 – Crypto files
serendipity WannaGameChampionship 2023 – Pwn files