CTF challenges & writeups

21438 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
dicer-visor #vm-escape #hypervisor #shellcode-injection #off-by-one #seccomp #orw	DiceCTF 2023	36.70	Pwn	files wu 1
jnotes #web #cookie-injection #java-cookie-parsing #iframe-leak	DiceCTF 2023	36.70	Web	files wu 1
jwtjail #web #jwt #nodejs-vm-escape #sandbox-escape #toprimitive #rce	DiceCTF 2023	36.70	Web	files wu 1
not-baby-parallelism #reversing #cpp #custom-encoding	DiceCTF 2023	36.70	Reverse	files wu 1
parallelism #reversing #permutation-recovery #gdb #memcmp	DiceCTF 2023	36.70	Reverse	files wu 2
seaside #csidh #isogeny #oblivious-transfer	DiceCTF 2023	36.70	Crypto	files wu 1
zelda #oob-write #memory-corruption #ncurses #game-logic	DiceCTF 2023	36.70	Pwn	files wu 2
My_First_C_Program #deobfuscation	DownUnderCTF 2023	46.63	Misc	files wu 1
proxed #x-forwarded-for	DownUnderCTF 2023	46.63	Web	files wu 1
Careless_Padding #padding-oracle	HITCON 2023 Quals	99.75	Crypto	files wu 1
Full_Chain_Wall_Maria #qemu-escape	HITCON 2023 Quals	99.75	Pwn	files wu 1
Full_Chain_Wall_Rose #cross-cache	HITCON 2023 Quals	99.75	Pwn	files wu 1
LessEQualmore #vm-reversing	HITCON 2023 Quals	99.75	Reverse	files wu 2
SUBformore #vm-escape	HITCON 2023 Quals	99.75	Pwn	files wu 1
Sharers_World #signed-exchange	HITCON 2023 Quals	99.75	Web	files wu 1
back-to-basics #static-analysis	HSCTF 2023	–	Reverse	files wu 1
brain-hurt #xor	HSCTF 2023	–	Reverse	files wu 1
cat #format-string	HSCTF 2023	–	Pwn	files wu 1
cupcakes #vigenere	HSCTF 2023	–	Crypto	files wu 1
double-trouble #caesar-cipher	HSCTF 2023	–	Crypto	files wu 3
doubler #integer-overflow	HSCTF 2023	–	Pwn	files wu 1
ed #ret2win	HSCTF 2023	–	Pwn	files wu 1
fancy-page #xss	HSCTF 2023	–	Web	files wu 3
mogodb #nosql-injection	HSCTF 2023	–	Web	files wu 3
mystery-methods #encoding-chain	HSCTF 2023	–	Reverse	files wu 2
really-small-algorithm #rsa	HSCTF 2023	–	Crypto	files wu 1
spring #java-random	HSCTF 2023	–	Crypto	files wu 1
trios #substitution-cipher	HSCTF 2023	–	Crypto	files wu 2
very-secure #flask-session-forgery	HSCTF 2023	–	Web	files wu 2
west-side-story #json-injection	HSCTF 2023	–	Web	files wu 1
Awesomenotes_I #htmx-injection	Hack.lu 2023	94.73	Web	files wu 2
Awesomenotes_II #mxss	Hack.lu 2023	94.73	Web	files wu 1
Based_Encoding #xss	Hack.lu 2023	94.73	Web	files wu 3
Cube_Hash #brute-force	Hack.lu 2023	94.73	Reverse	files wu 1
Doki_Doki_Anticheat #renpy	Hack.lu 2023	94.73	Reverse	files wu 2
Ghost #game-reversing	Hack.lu 2023	94.73	Reverse	files wu 1
Lucky_Numbers #mersenne-prime	Hack.lu 2023	94.73	Crypto	files wu 1
Spooky_Safebox #lattice	Hack.lu 2023	94.73	Crypto	files wu 1
Appointment_Book #negative-index	HeroCTF 2023	–	Pwn	files wu 1
Give_My_Money_Back #deobfuscation	HeroCTF 2023	–	Reverse	files wu 1

Challenges