CTF challenges & writeups

1001 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
syscall_777 #reversing #custom-syscall #xor	zer0pts 2021	24.56	Reverse	files wu 1
warsamup #rsa #franklin-reiter #related-message	zer0pts 2021	24.56	Crypto	files wu 3
lazynote #fsop #file-structure	SECCON 2020 Quals	65.77	Misc	files wu 1
beginners_pwn #shellcode #srop	TSG 2020	–	Misc	files wu 1
detective #arbitrary-write #oracle	TSG 2020	–	Misc	files wu 3
karte #use-after-free (uaf)#tcache-poisoning	TSG 2020	–	Misc	files wu 3
rachell #house-of #tcache	TSG 2020	–	Misc	files wu 3
std_vector #use-after-free (uaf)	TSG 2020	–	Misc	files wu 3
violence-fixer #heap-overflow #tcache	TSG 2020	–	Misc	files wu 3
Online_Nonogram #heap #tcache #uninitialized	TokyoWesterns 2020	–	Misc	files wu 3
blindshot #format-string #blind	TokyoWesterns 2020	–	Misc	files wu 2
smash #format-string #ret2libc	TokyoWesterns 2020	–	Misc	files wu 2
vi-deteriorated #tcache #cpp-exploitation	TokyoWesterns 2020	–	Misc	files wu 1
babybof #rop #stack-pivot #ret2libc	zer0pts 2020	24.56	Misc	files wu 1
diylist #type-confusion #arbitrary-read #use-after-free (uaf)	zer0pts 2020	24.56	Misc	files wu 3
grimoire #format-string #info-leak #buffer-overflow #one-gadget	zer0pts 2020	24.56	Misc	files wu 1
hipwn #rop #ret2syscall #static-binary	zer0pts 2020	24.56	Misc	files wu 3
meowmow #kernel-exploitation #out-of-bounds (oob)#heap-overflow	zer0pts 2020	24.56	Misc	files wu 1
protrude #buffer-overflow #type-confusion #canary-bypass #info-leak	zer0pts 2020	24.56	Misc	files wu 2
syscall_kit #syscall #mprotect #shellcode	zer0pts 2020	24.56	Misc	files wu 1
SecureKarte #heap #tcache	TokyoWesterns 2019	–	Misc	files wu 3
nothing_more_to_say #stack-buffer-overflow #ret2win	TokyoWesterns 2019	–	Misc	files wu 2
classic #rop #ret2libc #stack-pivot	SECCON 2018 Quals	36.92	Misc	files wu 3
internet_of_seat #uclibc-heap #realloc-overflow #got-overwrite	SECCON 2018 Quals	36.92	Misc	files wu 1
kindvm #custom-vm #stack-buffer-overflow	SECCON 2018 Quals	36.92	Misc	files wu 1
profile #cpp-string #arbitrary-read #one-gadget	SECCON 2018 Quals	36.92	Misc	files wu 3
q-escape #qemu-escape #vm-escape	SECCON 2018 Quals	36.92	Misc	files wu 1
load #rop #orw	TokyoWesterns 2018	–	Misc	files wu 3
neighbor_c #file-structure-attack	TokyoWesterns 2018	–	Misc	files wu 3
swap_returns #arbitrary-write #swap-primitive	TokyoWesterns 2018	–	Misc	files wu 3
babystack #format-string #stack-buffer-overflow	SECCON 2017 Quals	30.00	Misc	files wu 3
election #off-by-one #null-byte-poisoning #malloc-hook	SECCON 2017 Quals	30.00	Misc	files wu 3
secure_keymanager #double-free #fastbin-dup #format-string #got-overwrite	SECCON 2017 Quals	30.00	Misc	files wu 3
video_player #use-after-free (uaf)#fastbin-attack #vtable-hijack #malloc-hook	SECCON 2017 Quals	30.00	Misc	files wu 2
Save_the_Kappa	FullWeakEngineer 2025	24.60	Misc	files wu 2
Attack_of_the_Clones #rlwe-error-reuse	LakeCTF 2025 Quals	–	Crypto	files wu 1
Ez_Part #pohlig-hellman	LakeCTF 2025 Quals	–	Crypto	files wu 1
Guess_Flag #digit-oracle	LakeCTF 2025 Quals	–	Crypto	files wu 1
Pls_respond #sms-ems-decoding	LakeCTF 2025 Quals	–	Misc	files wu 1
Quantum_vernam #quantum-change-of-basis	LakeCTF 2025 Quals	–	Crypto	files wu 1

Challenges