CTF challenges & writeups

241 challenges in family ⊕ misc ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
Classy #stack-buffer-overflow #scanf-overflow #privilege-variable-overwrite #c++	CyberSecurityRumble 2023 Quals	24.80	Pwn	files wu 1
Inception #nested-files	FE-CTF 2023	–	Misc	files wu 1
RequestBin #ssti #go-templates	WeCTF 2022	36.12	Misc	files wu 1
pcg #oob-index #stack-buffer-overflow #ret2libc #custom-image-parser	pingCTF 2022	24.29	Pwn	files wu 1
BrainSim #brainfuck #buffer-overflow	COMPFEST 2021	–	Pwn	files wu 1
Walker #reversing #maze-traversal #xor-decode #state-machine	CyBRICS 2021	33.32	Reverse	files wu 1
finance_calculat0r_2021 #python-sandbox #function-whitelist-bypass #import-alias	CyberSecurityRumble 2021	41.60	Pwn	files wu 1
getstat #stack-buffer-overflow #negative-size #float-encoded-address #ret2win	CyberSecurityRumble 2021	41.60	Pwn	files wu 1
Forgotten_secret #docker-image-forensics #layer-extraction #leaked-ssh-key	DCTF 2021	–	Crypto	files wu 1
Just_Take_Your_Time #3des #time-based-key #pwntools-automation	DCTF 2021	–	Crypto	files wu 3
BF_means_best_friend_right #brainfuck	HackPack 2021	24.31	Reverse	files wu 3
Miz #maze-solving	InCTF 2021	70.41	Reverse	files wu 1
flagsaver #dotnet-reversing #image-unscramble	OMH 2021	–	Reverse	files wu 2
grub #grub-cfg #regex-constraints #z3	OMH 2021	–	Reverse	files wu 2
tour #traveling-salesman #floyd-warshall #dynamic-programming	PBjar 2021	23.18	Reverse	files wu 1
BLT #cve-2021-41773 #path-traversal #apache	SPbCTF 2021 Quals	–	Misc	files wu 1
Cache #flask-session-forgery #debug-mode #secret-key	WeCTF 2021	25.00	Misc	files wu 1
duet #off-by-one #largebin-attack #fastbin-attack #fsop #setcontext	0CTF 2020 Quals	–	Pwn	files wu 1
RemoteSchool #buffer-overflow #strncpy #write-what-where #return-address-overwrite	AUCTF 2020	–	Misc	files wu 3
ThanksgivingDinner #stack-buffer-overflow #stack-variable-overwrite #check-bypass	AUCTF 2020	–	Misc	files wu 3
bflol #brainfuck-interpreter #oob-tape #memory-corruption	CyberSecurityRumble 2020	28.00	Misc	files wu 2
how-to-heap #heap #tcache-dup #malloc-hook-overwrite #safe-linking #libc-2.32	CyberSecurityRumble 2020	28.00	Misc	files wu 2
input_checker #loop-counter-overwrite	IJCTF 2020	–	Misc	files wu 2
Cards #tcache-poisoning #safe-linking-bypass #environ-leak #orw-rop	PoseidonCTF 2020	–	Misc	files wu 2
Oldnote #negative-size #heap-overflow #stdout-file-leak #free-hook	PoseidonCTF 2020	–	Misc	files wu 2
at_your_command #use-after-free (uaf)#file-structure-exploitation #fake-file	Pwn2Win 2020	63.56	Misc	files wu 3
omnitmizer #v8 #turbofan-escape-analysis #checkmaps-elimination #type-confusion	Pwn2Win 2020	63.56	Misc	files wu 1
CTF_Coin #android #ssl-pinning-bypass #frida #parameter-tampering	RaziCTF 2020	21.91	Misc	files wu 3
Friends #android #api-response-inspection	RaziCTF 2020	21.91	Misc	files wu 3
chasing_a_lock #android #jadx #reimplementation	RaziCTF 2020	21.91	Misc	files wu 3
SeedSpring #predictable-rng #srand	VirSecCon 2020	22.79	Misc	files wu 2
cfgo-CheckIn #golang-reversing #stack-overflow #aztec-code	WMCTF 2020	–	Misc	files wu 1
too_slow #reversing #xor #key-derivation	rgbCTF 2020	19.74	Misc	files wu 3
YayorNay #braille-cipher	BSidesSF 2019	25.00	Misc	files wu 1
weather-companion #frida #ssl-pinning-bypass	BSidesSF 2019	25.00	Misc	files wu 1
Machbook #macos-heap-exploitation #libmalloc	Balsn 2019	25.00	Misc	files wu 1
bfkush1 #brainfuck #out-of-bounds-read	Blaze 2019	24.07	Misc	files wu 1
full_troll #stack-buffer-overflow #canary-leak #proc-self-maps #rop	Pwn2Win 2019	43.00	Misc	files wu 3
Ace_of_Spades #strcpy-overlap #card-duplication #score-overflow #stack-read-write	PwnThyBytes 2019	25.00	Misc	files wu 1
three #tcache-dup #unsorted-bin #stdout-file-attack	BCTF 2018	–	Misc	files wu 2

Challenges