CTF challenges & writeups

7364 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
finals-simulator #reverse-input-validation	LA 2023	–	Reverse	files wu 2
gatekeep #stack-variable-overwrite	LA 2023	–	Pwn	files wu 2
greek-cipher #substitution-cipher	LA 2023	–	Crypto	files wu 2
guess-the-bit #quadratic-residue-distinguisher	LA 2023	–	Crypto	files wu 3
hill-easy #hill-cipher	LA 2023	–	Crypto	files wu 1
hptla #xss-event-handler	LA 2023	–	Web	files wu 2
metaverse #xss-csrf-chain	LA 2023	–	Web	files wu 3
one-more-time-pad #known-plaintext-xor	LA 2023	–	Crypto	files wu 2
queue-up #request-forgery #url-manipulation	LA 2023	–	Web	files wu 1
redact #ret2win	LA 2023	–	Pwn	files wu 2
rickroll #format-string-got-overwrite	LA 2023	–	Pwn	files wu 1
rolling-in-the-mud #pigpen-cipher	LA 2023	–	Crypto	files wu 2
rut-roh-relro #format-string-stack-rop	LA 2023	–	Pwn	files wu 3
string-cheese #hardcoded-comparison	LA 2023	–	Reverse	files wu 3
stuff #ret2libc	LA 2023	–	Pwn	files wu 1
switcheroo #gdb-bruteforce	LA 2023	–	Reverse	files wu 2
universal #java-reverse	LA 2023	–	Reverse	files wu 1
uuid-hell #uuid-prediction	LA 2023	–	Web	files wu 2
zero-trust #aes-gcm-nonce-reuse	LA 2023	–	Web	files wu 1
stiller_printf #format-string #blind-format-string	LexingtonInformaticsTournament 2023	33.53	Pwn	files wu 1
ForgeMe_1 #sha1 #length-extension	NahamCon 2023	34.82	Crypto	files wu 1
ForgeMe_2 #hash-length-extension	NahamCon 2023	34.82	Crypto	files wu 1
Just_One_More #linear-system	NahamCon 2023	34.82	Crypto	files wu 2
Mayhem #malware-unpacking	NahamCon 2023	34.82	Reverse	files wu 1
Open_Sesame #ret2win	NahamCon 2023	34.82	Pwn	files wu 3
RSA_Intro #textbook-rsa	NahamCon 2023	34.82	Crypto	files wu 1
RSA_Outro #rsa-related-primes	NahamCon 2023	34.82	Crypto	files wu 3
Signed_Jeopardy #ecdsa-nonce-reuse	NahamCon 2023	34.82	Crypto	files wu 1
Transfer #sql-injection	NahamCon 2023	34.82	Web	files wu 1
writeright #custom-isa #vesp	NahamCon 2023	34.82	Reverse	files wu 1
Breakfast_club #hash-cracking	PatriotCTF 2023	24.52	Crypto	files src wu 1
Elbonia #udp-port-encoding #pcap	PatriotCTF 2023	24.52	Forensics	files wu 1
Flower_Shop #command-injection #curl #webhook	PatriotCTF 2023	24.52	Web	files wu 1
Gotta_Ping_Em_All #icmp #pcap #appended-data	PatriotCTF 2023	24.52	Forensics	files wu 1
ML_Pyjail #pyjail #ml-classifier-bypass #string-concatenation	PatriotCTF 2023	24.52	Misc	files wu 1
Multi_numeral #base-conversion	PatriotCTF 2023	24.52	Crypto	files wu 1
My_phone #bill-cipher	PatriotCTF 2023	24.52	Crypto	files wu 1
Note_Taker #aarch64 #type-confusion #rop	PatriotCTF 2023	24.52	Pwn	files wu 1
Patchwork #binary-patching #radare2	PatriotCTF 2023	24.52	Reverse	files wu 1
Python_Garbage_Compiler #python-obfuscation #seeded-prng #xor	PatriotCTF 2023	24.52	Reverse	files wu 1

Challenges