@kanon - AlpacaHack

kanon

@_k4non

AUTHORED CHALLENGES

OPEN DATE	CHALLENGE	SOLVES
2026/04/04	The Horn Crypto	97 solves
2026/03/22	bloom Crypto	86 solves
2026/02/04	RRe_Time_Limiter Crypto	177 solves
2026/01/01	super-tomato Crypto	388 solves
2025/12/28	one-p-rsa Crypto	231 solves
2025/12/17	Twilight Rev	230 solves
2024/06/15	bless Crypto	1 solve
2024/06/15	Try hard in my style Crypto	1 solve

CTF HISTORY

START DATE	CTF	RANK
2024/10/12	AlpacaHack Round 5 (Crypto)	32 / 247
2024/10/05	AlpacaHack Round 4 (Rev)	31 / 279
2024/09/15	AlpacaHack Round 3 (Crypto)	92 / 239

WRITEUPS

WRITEUP	CREATED AT
Writeup for The Horn ja The Horn	6 days ago
daily-alpacahack-twilight \| kanon the blog ja official Twilight	3 months ago

SOLVED CHALLENGES

CHALLENGE	SOLVES	SOLVED AT
pacapaca sc Pwn Daily AlpacaHack	69 solves	yesterday
AES is dead Crypto Daily AlpacaHack	82 solves	2 days ago
Panic Web Daily AlpacaHack	120 solves	3 days ago
1️⃣ Misc Daily AlpacaHack	150 solves	4 days ago
No Content Web Daily AlpacaHack	147 solves	5 days ago
login-bonus-2 Pwn Daily AlpacaHack	83 solves	6 days ago
The Horn Crypto Daily AlpacaHack	97 solves	last week
simple ROP Pwn Daily AlpacaHack	114 solves	last week
nc magic Misc Daily AlpacaHack	133 solves	last week
Impossible Puzzle Web Daily AlpacaHack	179 solves	last week
Alpaca-Llama Ranch Pwn Daily AlpacaHack	125 solves	last week
Plz Login Web Daily AlpacaHack	225 solves	last week
Compressor Misc Daily AlpacaHack	110 solves	last week
misdirection Rev Daily AlpacaHack	161 solves	last week
The World Misc Daily AlpacaHack	191 solves	last week
RRe_Time_Limiter Crypto Daily AlpacaHack	177 solves	last week
Magic Engine Web Daily AlpacaHack	271 solves	last week
read-a-binary Rev Daily AlpacaHack	226 solves	last week
Substance Crypto Daily AlpacaHack	240 solves	last week
SwapSwap Misc Daily AlpacaHack	286 solves	last week
You are my friend Crypto Daily AlpacaHack	154 solves	last week
crazython Rev Daily AlpacaHack	188 solves	last week
RSA2026 Crypto Daily AlpacaHack	209 solves	last week
Basic Buffer Overflow Pwn Daily AlpacaHack	186 solves	last week
Message For You Web Daily AlpacaHack	187 solves	last week
Five Alpacas Crypto Daily AlpacaHack	196 solves	last week
dice roll Web Daily AlpacaHack	201 solves	last week
ChaChaCha Crypto Daily AlpacaHack	157 solves	last week
dockerstack Misc Daily AlpacaHack	180 solves	last week
Animal Viewer Web Daily AlpacaHack	154 solves	last week
Paca Paca Authenticator Crypto Daily AlpacaHack	127 solves	last week
Stateless Auth Web Daily AlpacaHack	168 solves	last week
git gc Misc Daily AlpacaHack	154 solves	last week
ToyPQC Crypto Daily AlpacaHack	108 solves	last week
shellcode-101 Pwn Daily AlpacaHack	138 solves	last week
optimal-sort Misc Daily AlpacaHack	104 solves	last week
Linear Coffee Generator Crypto Daily AlpacaHack	115 solves	last week
Square RSA Crypto Daily AlpacaHack	235 solves	last week
jailiaj Misc Daily AlpacaHack	282 solves	last week
Encoding Basics Misc Crypto Daily AlpacaHack	317 solves	last week
Fushigi Crawler Web Daily AlpacaHack	343 solves	last week
Ruby Flag Checker Rev Daily AlpacaHack	289 solves	last week
super-tomato Crypto Daily AlpacaHack	388 solves	last week
108 Misc Daily AlpacaHack	296 solves	last week
one-p-rsa Crypto Daily AlpacaHack	231 solves	last week
simpleoverwrite Pwn SECCON Beginners CTF 2024	197 solves	last week
Xmas Login Web Daily AlpacaHack	353 solves	last week
Rotten Beef Pwn Daily AlpacaHack	204 solves	last week
Log Viewer Web Daily AlpacaHack	225 solves	last week
RSA debug? Crypto Daily AlpacaHack	192 solves	last week
omikuji Web Daily AlpacaHack	249 solves	last week
Twilight Rev Daily AlpacaHack	230 solves	last week
login-bonus Pwn Daily AlpacaHack	255 solves	last week
Flag Printer 2100 Rev Daily AlpacaHack	246 solves	last week
🐈 Web Daily AlpacaHack	309 solves	last week
cat3 Misc Daily AlpacaHack	221 solves	last week
Safe Prime Crypto SECCON Beginners CTF 2024	253 solves	last week
Sugoi Flag Checker Rev Daily AlpacaHack	204 solves	last week
hit-and-miss Misc Daily AlpacaHack	387 solves	last week
simpleoverflow Pwn SECCON Beginners CTF 2024	505 solves	last week
Fully Padded RSA Crypto Daily AlpacaHack	237 solves	2 weeks ago
Emojify Web Daily AlpacaHack	594 solves	2 weeks ago
a fact of CTF Crypto Daily AlpacaHack	883 solves	2 weeks ago
AlpacaHack 2100 Misc Daily AlpacaHack	1633 solves	2 weeks ago
encrypted-p Crypto Daily AlpacaHack	100 solves	2 weeks ago
Double Hint RSA Crypto tkbctf5	30 solves	4 weeks ago
nande Rev CakeCTF 2023	16 solves	last year
luau Rev CakeCTF 2022	34 solves	last year
decompile me Rev zer0pts CTF 2023	48 solves	last year
nimrev Rev CakeCTF 2022	79 solves	last year
Everything Silver Rev AlpacaHack Round 4 (Rev)	26 solves	last year
Simple Flag Checker Rev AlpacaHack Round 4 (Rev)	127 solves	last year
before-write Pwn RTACTF 2023 Spring	162 solves	last year
Iron Door Crypto CakeCTF 2023	7 solves	last year
echo Pwn AlpacaHack Round 1 (Pwn)	357 solves	last year
Simple Login Web AlpacaHack Round 2 (Web)	611 solves	last year
frozen cake Crypto CakeCTF 2022	71 solves	last year
Welcome Misc	1544 solves	last year
hi yoshiking Crypto CakeCTF 2022	3 solves	last year
A Dance of Add and Mul Crypto AlpacaHack Round 3 (Crypto)	74 solves	last year
Rainbow Sweet Alchemist Crypto AlpacaHack Round 3 (Crypto)	124 solves	last year
qrime Crypto AlpacaHack Round 3 (Crypto)	253 solves	last year
Hat Trick Crypto AlpacaHack Round 3 (Crypto)	66 solves	last year

Only archived challenges are displayed here.