CTF challenges & writeups

21438 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
messenger #page-level-uaf	LA 2025	–	Pwn	files wu 1
purell #xss-sanitizer-bypass	LA 2025	–	Web	files wu 1
Invaders #godot-game-reversing	N0PSctf 2025	24.34	Pwn	files wu 1
Key_Exchange #diffie-hellman-key-exchange	N0PSctf 2025	24.34	Crypto	files wu 1
Cryptoclock #known-plaintext-xor	NahamCon 2025	53.77	Crypto	files wu 1
Quartet #multi-volume-zip	NahamCon 2025	53.77	Misc	files wu 1
Screenshot #hexdump-reconstruction	NahamCon 2025	53.77	Misc	files wu 1
Taken_to_School #log-analysis	NahamCon 2025	53.77	OSINT	files wu 1
The_Martian #binwalk-extraction	NahamCon 2025	53.77	Misc	files wu 1
airspeed #airspeed-ssti #velocity-template #nginx-path-normalization-bypass	QnQSec 2025	24.76	Web	files wu 1
Last_Flight #isogeny #supersingular-elliptic-curve	SECCON 2025 Quals	–	Crypto	files wu 1
dummyhole #content-type-bypass #path-traversal #ssrf	SECCON 2025 Quals	–	Web	files wu 1
Lost_File #forensics #disk-image #memory-dump	Securinets 2025 Quals	70.50	Forensics	files wu 1
Silent_Visitor #forensics #windows #memory-dump	Securinets 2025 Quals	70.50	Forensics	files wu 1
Puzzle #idor #privilege-escalation #info-disclosure	Securinets CTF 2025 Quals	–	Web	files wu 1
Alter_Ego #csidh #isogeny	SekaiCTF 2025	55.00	Crypto	files src wu 1
Captivating_Canvas_Contraption #prototype-pollution #wasm #sandbox-escape	SekaiCTF 2025	55.00	Web	files wu 1
Gondola #reversing #webassembly #z3	SekaiCTF 2025	55.00	Reverse	files wu 1
Learning_OOP #heap-overflow #vtable #safe-linking-bypass	SekaiCTF 2025	55.00	Pwn	files wu 1
Average_HTTP_3_Enjoyer #http3 #quic	Srdnlen 2025	–	Web	files wu 1
Ben_10 #sql-injection	Srdnlen 2025	–	Web	files wu 1
BigMak #keyboard-layout-mapping	SunshineCTF 2025	51.65	Misc	files wu 1
Numbers_Game #prng-prediction #rand-seed	SunshineCTF 2025	51.65	Reverse	files wu 1
OK_BOOMER #t9-multitap-encoding	SunshineCTF 2025	51.65	Misc	files wu 1
Palatine_Pack #reversing #xor	SunshineCTF 2025	51.65	Reverse	files wu 1
Remotely_Interesting #memory-forensics #windows	SunshineCTF 2025	51.65	Forensics	files wu 1
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
Are_you_incognito #browser-extension #dom-clobbering	TPCTF 2025	–	Web	files wu 1
baby_layout #dompurify-bypass #xss	TPCTF 2025	–	Web	files wu 1
encrypted_chat #many-time-pad #keystream-reuse #race-condition	TPCTF 2025	–	Crypto	files wu 1
safe_layout_revenge #dompurify-bypass #mutation-xss	TPCTF 2025	–	Web	files wu 1
verified_toolbox #cve-2024-38807 #jar-signature-forgery	TPCTF 2025	–	Misc	files wu 1
Online_Python_Editor #python-sandbox-escape	TRX 2025	–	Web	files wu 2
molly #anti-debugging #instrumentation-callback	TRX 2025	–	Reverse	files wu 1
Baby_Kernel #kernel-exploitation #use-after-free (uaf)#jop	UIUCTF 2025	–	Pwn	files wu 2

Challenges