@kakur41 - AlpacaHack

kakur41

@kakur41

CTF HISTORY

START DATE	CTF	RANK
2025/07/20	AlpacaHack Round 13 (Crypto)	23 / 62
2025/03/23	AlpacaHack Round 10 (Pwn)	34 / 95
2025/03/01	SECCON CTF 13 決勝観戦CTF	1 / 233
2024/11/03	AlpacaHack Round 6 (Pwn)	51 / 197
2024/10/12	AlpacaHack Round 5 (Crypto)	32 / 247
2024/10/05	AlpacaHack Round 4 (Rev)	42 / 279
2024/09/01	AlpacaHack Round 2 (Web)	85 / 300
2024/08/18	AlpacaHack Round 1 (Pwn)	32 / 174

WRITEUPS

WRITEUP	CREATED AT
Writeup for RSA debug? ja RSA debug?	2 days ago
Writeup for omikuji ja omikuji	3 days ago
Writeup for alloc-101 ja alloc-101	4 days ago
Writeup for Twilight ja Twilight	5 days ago
Writeup for login-bonus ja login-bonus	6 days ago
Writeup for 🐈 ja 🐈	last week
Writeup for Flag Printer 2100 ja Flag Printer 2100	last week
Writeup for Simple Flag Checker ja Simple Flag Checker	last year
Writeup for NetFS 2 (RST flag) ja NetFS 2	last year
Writeup for 1R-AES ja 1R-AES	last year

SOLVED CHALLENGES

CHALLENGE	SOLVES	SOLVED AT
Rotten Beef Pwn Daily AlpacaHack	128 solves	yesterday
Log Viewer Web Daily AlpacaHack	147 solves	2 days ago
RSA debug? Crypto Daily AlpacaHack	135 solves	3 days ago
omikuji Web Daily AlpacaHack	162 solves	4 days ago
alloc-101 Pwn Daily AlpacaHack	159 solves	5 days ago
Twilight Rev Daily AlpacaHack	164 solves	6 days ago
login-bonus Pwn Daily AlpacaHack	176 solves	last week
🐈 Web Daily AlpacaHack	202 solves	last week
Flag Printer 2100 Rev Daily AlpacaHack	169 solves	last week
power_obfus_royalty Rev Daily AlpacaHack	150 solves	last week
Safe Prime Crypto Daily AlpacaHack	189 solves	last week
Sugoi Flag Checker Rev Daily AlpacaHack	154 solves	last week
Alpaca Bank Web Daily AlpacaHack	215 solves	last week
Read Assembly Rev Daily AlpacaHack	210 solves	last week
hit-and-miss Misc Daily AlpacaHack	238 solves	2 weeks ago
Fully Padded RSA Crypto Daily AlpacaHack	174 solves	2 weeks ago
size limit Crypto Daily AlpacaHack	215 solves	2 weeks ago
simpleoverflow Pwn Daily AlpacaHack	309 solves	2 weeks ago
Integer Writer Pwn Daily AlpacaHack	218 solves	2 weeks ago
Leaked Flag Checker Rev Daily AlpacaHack	346 solves	2 weeks ago
Emojify Web Daily AlpacaHack	371 solves	3 weeks ago
a fact of CTF Crypto Daily AlpacaHack	520 solves	3 weeks ago
AlpacaHack 2100 Misc Daily AlpacaHack	767 solves	3 weeks ago
Iron Door Crypto CakeCTF 2023	5 solves	8 months ago
Rock Door Crypto CakeCTF 2022	9 solves	8 months ago
Oyster Pwn AlpacaHack Round 10 (Pwn)	113 solves	9 months ago
packed Rev SECCON CTF 13 Quals	12 solves	10 months ago
only-read Pwn RTACTF 2023 Spring	19 solves	10 months ago
read-write Pwn RTACTF 2023 Spring	37 solves	10 months ago
I2C Device Rev AlpacaHack Round 4 (Rev)	8 solves	10 months ago
EDDH Crypto zer0pts CTF 2022	4 solves	10 months ago
CurveCrypto Crypto zer0pts CTF 2022	6 solves	10 months ago
1linepyjail Jail SECCON CTF 13 Quals	4 solves	10 months ago
reiwa_rot13 Crypto SECCON CTF 13 Quals	22 solves	10 months ago
Alpaca Poll Web AlpacaHack Round 7 (Web)	119 solves	10 months ago
catcpy Pwn AlpacaHack Round 6 (Pwn)	135 solves	10 months ago
masking tape Rev AlpacaHack Round 8 (Rev)	164 solves	10 months ago
Treasure Hunt Web AlpacaHack Round 7 (Web)	251 solves	10 months ago
inbound Pwn AlpacaHack Round 6 (Pwn)	195 solves	last year
Modern Rome Pwn zer0pts CTF 2022	20 solves	last year
Anti-Fermat Crypto zer0pts CTF 2022	26 solves	last year
GitFile Explorer Web zer0pts CTF 2022	41 solves	last year
NNNN Crypto AlpacaHack Round 5 (Crypto)	44 solves	last year
pytecode Rev AlpacaHack Round 4 (Rev)	22 solves	last year
XorshiftStream Crypto AlpacaHack Round 5 (Crypto)	58 solves	last year
janken vs yoshiking 2 Crypto CakeCTF 2023	15 solves	last year
brand new crypto Crypto CakeCTF 2022	21 solves	last year
welkerme Pwn CakeCTF 2022	23 solves	last year
nande Rev CakeCTF 2023	13 solves	last year
Hat Trick Crypto AlpacaHack Round 3 (Crypto)	59 solves	last year
C-Sandbox Misc CakeCTF 2022	4 solves	last year
readme 2022 Misc CakeCTF 2022	11 solves	last year
A Dance of Add and Mul Crypto AlpacaHack Round 3 (Crypto)	69 solves	last year
Simple Flag Checker Rev AlpacaHack Round 4 (Rev)	119 solves	last year
Rainbow Sweet Alchemist Crypto AlpacaHack Round 3 (Crypto)	115 solves	last year
qrime Crypto AlpacaHack Round 3 (Crypto)	236 solves	last year
Simple Login Web AlpacaHack Round 2 (Web)	518 solves	last year
mimikyu Rev zer0pts CTF 2023	13 solves	last year
Cake Puzzle Rev CakeCTF 2023	19 solves	last year
hexecho Pwn AlpacaHack Round 1 (Pwn)	108 solves	last year
echo Pwn AlpacaHack Round 1 (Pwn)	316 solves	last year
aush Pwn zer0pts CTF 2023	19 solves	last year
luau Rev CakeCTF 2022	31 solves	last year
CakeGEAR Web CakeCTF 2022	75 solves	last year
TOWFL Cheat Web CakeCTF 2023	47 solves	last year
bofww Pwn CakeCTF 2023	34 solves	last year
NetFS 2 Misc zer0pts CTF 2023	2 solves	last year
NetFS 1 Misc zer0pts CTF 2023	10 solves	last year
nimrev Rev CakeCTF 2022	72 solves	last year
simple signature Crypto CakeCTF 2023	26 solves	last year
frozen cake Crypto CakeCTF 2022	64 solves	last year
SquareRNG Crypto zer0pts CTF 2023	13 solves	last year
decompile me Rev zer0pts CTF 2023	44 solves	last year
1R-AES Crypto RTACTF 2023 Spring	15 solves	last year
easy_factoring Crypto zer0pts CTF 2023	27 solves	last year
Reused-AES Crypto RTACTF 2023 Spring	30 solves	last year
Collision-DES Crypto RTACTF 2023 Spring	34 solves	last year
write Pwn RTACTF 2023 Spring	81 solves	last year
XOR-CBC Crypto RTACTF 2023 Spring	70 solves	last year
before-write Pwn RTACTF 2023 Spring	151 solves	last year
vtable4b Pwn CakeCTF 2023	58 solves	last year
Country DB Web CakeCTF 2023	209 solves	last year
Welcome Misc	1286 solves	last year

Only archived challenges are displayed here.