$ ctf42

Pwn CTF challenges

3,926 Pwn CTF challenges from 382 CTFs (2011–2026), 1,025 with writeups.

Top pwn techniques

#stack-buffer-overflow 95 #format-string 88 #rop 76 #use-after-free 56 #ret2win 55 #shellcode 48 #ret2libc 37 #heap 35 #heap-overflow 34 #tcache-poisoning 29 #got-overwrite 29 #stack-pivot 25 #buffer-overflow 23 #heap-exploitation 21 #seccomp 19

Challenges

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Challenge CTF Weight Has
Crackstation_Level_3 FE-CTF 2023 – files
Crackstation_Level_4 FE-CTF 2023 – files
Crackstation_Warmup FE-CTF 2023 – files
Customs_Office Hack.lu 2023 94.73 files
DIARY TFC 2023 – files
Dantes_Notebook DanteCTF 2023 24.44 files
Danxome AfricabattleCTF 2023 Quals – files
Danxome2 AfricabattleCTF 2023 Quals – files
DataStore1 SECCON 2023 Quals 100.00 files
Data_Breach Balsn 2023 79.09 files
DeathStarTargetingComputer SpaceHeroes 2023 23.94 files
Destiny_Digits Hack.lu 2023 94.73 files
Disconnect Bauhinia 2023 24.75 files
Do_You_Still_Feel_Lucky FortID 2023 – files
DolceVita_Caffe Hackappatoi 2023 – files
EASYROP TFC 2023 – files
ELFcrafting-v2 AmateursCTF 2023 24.54 files
EXEcutor Cybercoliseum 2023 22.83 files
EasyVirtio AzureAssassinAlliance 2023 23.80 files
Easy_Pwn GreyCatTheFlag 2023 Quals – files
Eat_my_bugs p4ctf 2023 Quals 70.78 files
Echo_Time TyphoonCon 2023 9.00 files
EmpDB BackdoorCTF 2023 – files
Erna_Hoover CyberHeroines 2023 23.94 files
Escape HackersPlayground 2023 51.00 files
Every_italian_politician_v1 Hackappatoi 2023 – files
Every_italian_politician_v2 Hackappatoi 2023 – files
Everything_is_Permitted 0CTF 2023 – files
Examqq Cybercoliseum 2023 22.83 files
Execute_as_a_service Securinets 2023 Quals 65.42 files
Ez_get_flag ISITDTU 2023 Quals 37.00 files
Ez_get_flag_2 ISITDTU 2023 Quals 37.00 files
Ezrop Potluck 2023 – files
FIPC KalmarCTF 2023 24.21 files
File_Reader LexingtonInformaticsTournament 2023 33.53 files
File_Service_From_Hell vsCTF 2023 23.32 files
Flock_of_Seagulls SunshineCTF 2023 34.09 files
Fortune_Box Hack.lu 2023 94.73 files
Fratm_carcerat Hackappatoi 2023 – files
Frog_Universe_in_C_FUC BuckeyeCTF 2023 34.50 files