$ ctf42

Misc CTF challenges

3,995 Misc CTF challenges from 420 CTFs (2011–2026), 705 with writeups.

Top misc techniques

#stack-buffer-overflow 44 #format-string 41 #ret2libc 29 #rop 29 #use-after-free 26 #tcache-poisoning 24 #got-overwrite 21 #one-gadget 19 #shellcode 19 #stack-overflow 17 #ret2win 17 #heap-overflow 14 #tcache 13 #buffer-overflow 12 #double-free 11

Challenges

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Challenge CTF Weight Has
Hello_World Paradigm 2023 25.00 files wu 3
Hide_on_Bush BlazCTF 2023 25.00 files wu 3
Ketai BlazCTF 2023 25.00 files wu 3
Lockless_Swap BlazCTF 2023 25.00 files wu 3
Maze BlazCTF 2023 25.00 files wu 3
Riscs_of_Assembler Platypwn 2023 24.75 files wu 3
Rock_Scissor_Paper BlazCTF 2023 25.00 files wu 3
Saluting_Ducks BlazCTF 2023 25.00 files wu 3
Tornado_Crash BlazCTF 2023 25.00 files wu 3
eth InfoSec 2022 – files wu 3
CSP1 WeCTF 2021 25.00 files wu 3
Phish WeCTF 2021 25.00 files wu 3
lorem_ipsum RITSEC 2021 – files wu 3
warmup TetCTF 2021 25.00 files wu 3
Overflow_1 CyberYoddha 2020 19.71 files wu 3
bof UTCTF 2020 – files wu 3
give_away_1 SharkyCTF 2020 24.29 files wu 3
give_away_2 SharkyCTF 2020 24.29 files wu 3
jsclean HackPack 2020 – files wu 3
jump_not_found UMDCTF 2020 – files wu 3
mousetrap HackPack 2020 – files wu 3
naughty TJCTF 2020 – files wu 3
stop TJCTF 2020 – files wu 3
whiterabbit b01lers 2020 22.46 files wu 3
KingMaker Codegate 2019 Quals – files wu 3
Return_To_Mania SunshineCTF 2019 25.00 files wu 3
Voting_Machine_1 watevrCTF 2019 24.92 files wu 3
leakless FireShell 2019 24.49 files wu 3
printf TokyoWesterns 2019 – files wu 3
pwn2 TAMUctf 2019 – files wu 3
pwn3 TAMUctf 2019 – files wu 3
warm VolgaCTF 2019 Quals 27.27 files wu 3
One_Shot MeePwn 2018 Quals 24.59 files wu 3
ezpwn RITSEC 2018 – files wu 3
printf_machine SECCON 2017 Quals 30.00 files wu 3
EasyWinHeap
#windows-heap-exploitation#use-after-free (uaf)
 SCTF 2020 – files wu 2
lil_wishes_db
#use-after-free (uaf)#tcache#one-gadget
 X-MAS 2020 – files wu 2
Notepad
#use-after-free (uaf)#tcache#format-string
 VolgaCTF 2020 Quals 32.80 files wu 2
faker
#use-after-free (uaf)#heap#seccomp-orw-shellcode
 3kCTF 2020 24.14 files wu 2
Lil_Chompy
#use-after-free (uaf)#heap#arbitrary-read
 SunshineCTF 2020 23.34 files wu 2