CTF challenges & writeups

7364 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
speedrun-001 #rop #static-binary #mprotect	DEFCON 2019 Quals	57.39	Misc	files wu 1
speedrun-002 #ret2libc #got-leak #one-gadget	DEFCON 2019 Quals	57.39	Misc	files wu 1
speedrun-003 #shellcode #xor-constraint	DEFCON 2019 Quals	57.39	Misc	files wu 1
speedrun-004 #stack-buffer-overflow #partial-overwrite	DEFCON 2019 Quals	57.39	Misc	files wu 1
speedrun-006 #shellcode #restricted-shellcode	DEFCON 2019 Quals	57.39	Misc	files wu 1
speedrun-011 #shellcode #flag-bit-oracle	DEFCON 2019 Quals	57.39	Misc	files wu 1
kpets #kernel-exploitation #race-condition #double-fetch	FacebookCTF 2019	24.28	Misc	files wu 1
overfloat #stack-buffer-overflow #float-encoding #rop	FacebookCTF 2019	24.28	Misc	files wu 1
raddest_db #type-confusion #cpp	FacebookCTF 2019	24.28	Misc	files wu 1
rank #oob-index #rop	FacebookCTF 2019	24.28	Misc	files wu 1
Broken REPL #parser-bug #recursion-limit	HSCTF 2019	–	Misc	files src
Forgot Your Password? #z3	HSCTF 2019	–	Reverse	files src
Hidden Flag #xor #file-header	HSCTF 2019	–	Misc	files src
Keith Logger #browser-extension #mongodb	HSCTF 2019	–	Web	files src
Slap #exif	HSCTF 2019	–	Forensics	files src
The Real Reversal #utf-8 #unicode	HSCTF 2019	–	Misc	files src
Welcome To Crypto Land #base58	HSCTF 2019	–	Crypto	files src
Alphabet Soup #substitution-cipher	NeverLAN CTF 2019	19.73	Crypto	files src wu 1
Binary 1 #hex #base64	NeverLAN CTF 2019	19.73	Pwn	files src wu 1
Cover the BASEs #base64	NeverLAN CTF 2019	19.73	Crypto	files src wu 1
February 14th #columnar-transposition	NeverLAN CTF 2019	19.73	Crypto	files src wu 1
It's to KeyZ #osint #github-recon	NeverLAN CTF 2019	19.73	OSINT	files src wu 1
Oink Oink #pigpen-cipher	NeverLAN CTF 2019	19.73	Crypto	files src wu 1
Z3r0 C00l Bruh! #steghide	NeverLAN CTF 2019	19.73	Crypto	files src wu 1
Shiny #gold-bug-cipher #substitution-cipher	RITSEC 2019	–	Crypto	files src
CyberRumble	SunshineCTF 2019	25.00	Misc	files wu 1
pwn2	TAMUctf 2019	–	Misc	files wu 3
secureshell	WPICTF 2019	–	Misc	files wu 2
Intro_to_Rev	angstromCTF 2019	–	Reverse	files wu 1
B1ll_Gat35	picoCTF 2019	–	Reverse	files wu 2
NeedForSpeed	picoCTF 2019	–	Reverse	files wu 2
sice_cream	picoCTF 2019	–	Pwn	files wu 3
EC3 #qemu-escape #pci-device #mmio	DEFCON 2018 Quals	72.53	Misc	files wu 1
itsame #heap-overflow #std-string #vtable-overwrite #one-gadget	DEFCON 2018 Quals	72.53	Misc	files wu 1
racewars #heap #arbitrary-read-write	DEFCON 2018 Quals	72.53	Misc	files wu 1
sftp	GoogleCTF 2018 Quals	–	Misc	files wu 1
Personal_Letter	angstromCTF 2018	–	Pwn	files wu 1
Help Center #padding-oracle #aes-cbc	angstromCTF 2016	–	Crypto	files src
AES_Scissor_Co_3	BYUCTF 2026	–	Crypto	files
Alright._Time_Paradox	BYUCTF 2026	–	Forensics	files

Challenges