CTF challenges & writeups

21438 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
ai_clippy #mcp-exploitation #prompt-injection	UIUCTF 2025	–	Misc	files wu 1
do_re_mi #mimalloc #heap-exploitation	UIUCTF 2025	–	Pwn	files wu 1
nocaml #ocaml-jail-escape	UIUCTF 2025	–	Misc	files wu 1
symmetric #rsa #multi-prime	UIUCTF 2025	–	Crypto	files wu 1
too_many_primes #rsa #multi-prime	UIUCTF 2025	–	Crypto	files wu 1
weirdcaml #reversing #ocaml	UIUCTF 2025	–	Reverse	files wu 1
Attack_of_the_Pentium_4 #osint	UMassCTF 2025	48.38	OSINT	files wu 1
Hidden_in_Flash #i2c #eeprom #hardware	UMassCTF 2025	48.38	Hardware	files wu 1
Multiplayer #osint #geolocation	UMassCTF 2025	48.38	OSINT	files wu 1
Odd_One_Out #qr-code	UMassCTF 2025	48.38	Misc	files wu 1
Rush_Hour #xss #cookie-theft #cors-bypass	UMassCTF 2025	48.38	Web	files wu 1
Rush_Hour_v2 #xss #cookie-theft	UMassCTF 2025	48.38	Web	files wu 1
highly-optimized #vm-reversing #bytecode-interpreter	UofTCTF 2025	23.90	Reverse	files wu 1
Art_Contest #file-upload #php-filter-bypass #suid	WolvCTF 2025	47.25	Web	files wu 1
Javascript_Puzzle #javascript-type-coercion #error-based-leak	WolvCTF 2025	47.25	Web	files wu 1
Limited_1 #sql-injection #union-based #filter-bypass	WolvCTF 2025	47.25	Web	files wu 1
LockDown #hardware-reversing #verilog #z3	WolvCTF 2025	47.25	Reverse	files wu 1
cratecrack #heap-uaf #ecdsa-nonce-bias	bi0sCTF 2025	95.79	Pwn	files wu 1
dont_whisper #adversarial-audio	bi0sCTF 2025	95.79	Misc	files wu 1
bubble #vm-reversing #bytecode	corCTF 2025	82.00	Reverse	files wu 1
hangbuzz101 #kernel-dos #net-scheduler #qdisc	corCTF 2025	82.00	Pwn	files wu 1
purely_functional_oop #compiler-exploitation #google-sheets	corCTF 2025	82.00	Reverse	files wu 1
whatever_floats_your_boat #vm-reversing #floating-point #mxcsr	corCTF 2025	82.00	Reverse	files wu 1
zenerational_aura #retbleed #kernel-exploit #speculative-execution	corCTF 2025	82.00	Pwn	files wu 1
Positive_Players #prototype-pollution	justCTF 2025	97.20	Web	files wu 1
ExploitMe #mass-assignment	snakeCTF 2025 Quals	36.65	Web	files wu 1
SPAM #authentication-bypass #password-reset	snakeCTF 2025 Quals	36.65	Web	files wu 1
b_locked #race-condition #captcha-bypass	snakeCTF 2025 Quals	36.65	Web	files wu 2
XOR_101 #xor #repeating-key	squ1rrel 2025	24.25	Crypto	files wu 1
curved-mvm #ecdsa #weak-nonce #nonce-bruteforce #signature-forgery	x3ctf 2025	–	Crypto	files wu 1
man_vs_matrix #linear-algebra #matrix-inversion #finite-field	x3ctf 2025	–	Crypto	files wu 1
BabyFlow #stack-buffer-overflow #variable-overwrite	1337UP 2024	–	Misc	files wu 2
BioCorp #header-ip-spoofing #access-control-bypass #xxe	1337UP 2024	–	Web	files wu 1
CTF_Mind_Tricks #pcap-analysis #smb-file-extraction #wireshark	1337UP 2024	–	Forensics	files wu 1
Cat_Club #jwt-algorithm-confusion #ssti #pug	1337UP 2024	–	Web	files wu 1
Cold_Storage #android #cordova #hardcoded-pin #apk-decompilation	1337UP 2024	–	Mobile	files wu 1
Floormat_Mega_Sale #format-string	1337UP 2024	–	Pwn	files wu 1
Hoarded_Flag #memory-forensics #volatility #cmdscan	1337UP 2024	–	Forensics	files wu 1
In_Plain_Sight #binwalk-embedded-file #strings #encrypted-zip	1337UP 2024	–	Misc	files wu 2
Layers #file-concatenation #binary-to-ascii-decoding	1337UP 2024	–	Misc	files wu 1

Challenges