CTF challenges & writeups

19 challenges in family ⊕ pwn:file-struct ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
Learning_OOP #heap-overflow #vtable #safe-linking-bypass	SekaiCTF 2025	55.00	Pwn	files wu 1
speedpwn #fsop #file-structure	SekaiCTF 2024	36.96	Pwn	files wu 1
babyfile #fsop #file-structure #io-obstack-jumps	SECCON 2022 Quals	97.90	Pwn	files wu 2
success #info-leak #stack-overflow #fsop	Securinets 2021 Quals	41.71	Pwn	files wu 2
nullptr #heap #mmap-threshold-overwrite #fsop #malloc-hook-overwrite	ALLES 2020	–	Misc	files wu 2
refcnt #use-after-free (uaf)#tcache-poisoning #fsop	ASIS 2020 Finals	64.97	Misc	files wu 1
butterfly #file-struct-exploit #fsop #libc-leak	DarkCTF 2020	23.71	Misc	files wu 1
trip_to_trick #file-vtable-hijack	HackTM 2020 Quals	24.02	Misc	files wu 1
lazynote #fsop #file-structure	SECCON 2020 Quals	65.77	Misc	files wu 1
neighbor_c #file-structure-attack	TokyoWesterns 2018	–	Misc	files wu 3
babyfs #file-vtable-hijack	HITCON 2017 Quals	69.38	Misc	files wu 2
video_player #use-after-free (uaf)#fastbin-attack #vtable-hijack #malloc-hook	SECCON 2017 Quals	30.00	Misc	files wu 2
File-V #file-structure-exploitation #shellcode	Codegate 2022 Quals	–	Pwn	files wu 1
house_of_tataru #fsop	N1CTF 2021	53.54	Pwn	files wu 1
duet #off-by-one #largebin-attack #fastbin-attack #fsop #setcontext	0CTF 2020 Quals	–	Pwn	files wu 1
at_your_command #use-after-free (uaf)#file-structure-exploitation #fake-file	Pwn2Win 2020	63.56	Misc	files wu 3
easiest #fastbin-dup #double-free #stdout-vtable #fsop	BCTF 2018	–	Misc	files wu 1
houseofAtum #tcache-dup #fastbin #file-structure-attack	BCTF 2018	–	Misc	files wu 3
cloud-note #file-vtable-hijack	Hackover 2018	23.96	Misc	files wu 1

Challenges