CTF challenges & writeups

7364 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Tribble_with_my_Skin #steganography #png	SunshineCTF 2025	51.65	Misc	files wu 1
Beginner_Pwn_1 #stack-buffer-overflow	SwampCTF 2025	40.40	Pwn	files wu 1
Contamination #proxy-bypass #parser-differential	SwampCTF 2025	40.40	Web	files wu 1
Editor #html-injection #local-file-read	SwampCTF 2025	40.40	Web	files wu 3
Rock_my_Password #password-cracking #rockyou	SwampCTF 2025	40.40	Crypto	files wu 2
Serialies #insecure-deserialization #java	SwampCTF 2025	40.40	Web	files wu 1
Baby_Kernel #kernel-exploitation #use-after-free (uaf)#jop	UIUCTF 2025	–	Pwn	files wu 2
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
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
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
XOR_101 #xor #repeating-key	squ1rrel 2025	24.25	Crypto	files wu 1
Encryptor_Shop #rsa-shared-prime	BCACTF 2024	–	Crypto	files wu 1
Flagtureiser #java-decompilation	BCACTF 2024	–	Reverse	files wu 1
My_Brain_Hurts #brainfuck	BCACTF 2024	–	Reverse	files wu 1
NoSQL #nosql-injection	BCACTF 2024	–	Web	files wu 1
RSAEncrypter #hastad-broadcast	BCACTF 2024	–	Crypto	files wu 1
This_is_NOT_the_flag #xor-bruteforce	BCACTF 2024	–	Misc	files wu 1
Time_Skip #scytale-cipher	BCACTF 2024	–	Crypto	files wu 1
Vinegar_Times_3 #vigenere-cipher	BCACTF 2024	–	Crypto	files wu 1
XOR #xor-decryption	BCACTF 2024	–	Reverse	files wu 1
Obfuscation #vm-obfuscation #bytecode-devirtualization #angr #symbolic-execution	CSAW 2024 Quals	21.80	Reverse	files wu 1
baby_talk #heap #off-by-null #house-of-einherjar #tcache-poisoning #free-hook	DiceCTF 2024 Quals	54.40	Pwn	files wu 1

Challenges