CTF challenges & writeups

42 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
atoms #use-after-free (uaf)	HITCON 2020	–	Misc	files wu 1
dual #heap-corruption	HITCON 2020	–	Misc	files wu 3
revenge_of_pwn #pwntools-abuse	HITCON 2020	–	Misc	files wu 1
telescope #unsafe-unlink	HITCON 2020	–	Misc	files wu 1
PoEI-Luna #oob-write	HITCON 2019 Quals	92.94	Misc	files wu 2
breathofshadow #windows-kernel	HITCON 2019 Quals	92.94	Misc	files wu 1
dadadb #windows-heap	HITCON 2019 Quals	92.94	Misc	files wu 1
lazyhouse #stack-pivot	HITCON 2019 Quals	92.94	Misc	files wu 2
netatalk #heap-overflow	HITCON 2019 Quals	92.94	Misc	files wu 1
trick_or_treat #arbitrary-write	HITCON 2019 Quals	92.94	Misc	files wu 2
baby_tcache #poison-null-byte	HITCON 2018	–	Misc	files wu 2
children_tcache #tcache-dup	HITCON 2018	–	Misc	files wu 3
groot #double-free	HITCON 2018	–	Misc	files wu 1
hitcon #buffer-overflow	HITCON 2018	–	Misc	files wu 1
secretnote #coppersmith	HITCON 2018	–	Misc	files wu 1
super_hexagon #trustzone	HITCON 2018	–	Misc	files wu 3
tftp #format-string	HITCON 2018	–	Misc	files wu 1
babyfs #file-vtable-hijack	HITCON 2017 Quals	69.38	Misc	files wu 2
damocles #heap-overflow	HITCON 2017 Quals	69.38	Misc	files wu 1
ghost_in_the_heap #poison-null-byte	HITCON 2017 Quals	69.38	Misc	files wu 1
ragnarok #use-after-free (uaf)	HITCON 2017 Quals	69.38	Misc	files wu 2
real-ruby-escaping #ruby-sandbox-escape	HITCON 2017 Quals	69.38	Misc	files wu 1
start #rop	HITCON 2017 Quals	69.38	Misc	files wu 3
two #one-gadget	HITCON 2017 Quals	69.38	Misc	files wu 1
No_Mans_Echo	HITCON 2025	–	Misc	files
Pholygloti	HITCON 2025	–	Misc	files
concurrent_safe_db	HITCON 2025	–	Misc	files
git_playground	HITCON 2025	–	Misc	files
simp	HITCON 2025	–	Misc	files
vibe2	HITCON 2025	–	Misc	files
Flag_Reader	HITCON 2024 Quals	100.00	Misc	files
Lisp_js	HITCON 2023 Quals	99.75	Misc	files
MichaelStorage	HITCON 2020	–	Misc	files
beats	HITCON 2020	–	Misc	files
cgi	HITCON 2020	–	Misc	files
lucifer	HITCON 2020	–	Misc	files
spark	HITCON 2020	–	Misc	files
cryptoshell	HITCON 2019 Quals	92.94	Misc	files
one_punch	HITCON 2019 Quals	92.94	Misc	files
abyss	HITCON 2018	–	Misc	files

Challenges