@tan90909090 - AlpacaHack

tan90909090

@Tan90909090

CTF HISTORY

START DATE	CTF	RANK
2025/07/20	AlpacaHack Round 13 (Crypto)	13 / 62
2025/07/06	AlpacaHack Round 12 (Crypto)	40 / 78
2025/05/17	AlpacaHack Round 11 (Web)	65 / 213
2025/03/01	SECCON CTF 13 決勝観戦CTF	179 / 233
2025/01/26	AlpacaHack Round 9 (Crypto)	10 / 138
2024/12/30	AlpacaHack Round 8 (Rev)	8 / 316
2024/11/30	AlpacaHack Round 7 (Web)	25 / 458
2024/11/03	AlpacaHack Round 6 (Pwn)	19 / 197
2024/10/05	AlpacaHack Round 4 (Rev)	13 / 279
2024/09/15	AlpacaHack Round 3 (Crypto)	49 / 239
2024/09/01	AlpacaHack Round 2 (Web)	61 / 300
2024/08/18	AlpacaHack Round 1 (Pwn)	17 / 174

WRITEUPS

WRITEUP	CREATED AT
Writeup for Jerry's flag checker ja Jerry's flag checker	5 months ago
Writeup for RSAMPC using z3-solver ja RSAMPC	11 months ago
Writeup for AlpacaHack Round 8 (Rev) (masking tape, hidden, subway) ja AlpacaHack Round 8 (Rev)	last year
Writeup for AlpacaHack Round 7 (Web) (Treasure Hunt, Alpaca Poll) ja AlpacaHack Round 7 (Web)	last year
Writeup for AlpacaHack Round 6 (Pwn) (inbound, catcpy, wall) ja AlpacaHack Round 6 (Pwn)	last year
Writeup for zer0pts CTF 2022 (GitFile Explorer, Anti-Fermat, Modern Rome, service) ja zer0pts CTF 2022	last year
Writeup for Simple Flag Checker ja Simple Flag Checker	last year
Writeup for qrime ja qrime	last year
Writeup for Simple Login ja Simple Login	last year
Writeup for AlpacaHack Round 1 (Pwn) (echo, hexecho) ja AlpacaHack Round 1 (Pwn)	last year
Writeup for zer0pts CTF 2023 (aush, decomple me, mimikyu, fvm) ja zer0pts CTF 2023	last year
Writeup for CakeCTF 2022 (frozen cake, welkerme, nimrev, luau, kiwi) ja CakeCTF 2022	last year

SOLVED CHALLENGES

CHALLENGE	SOLVES	SOLVED AT
free-comment Misc Daily AlpacaHack	109 solves	yesterday
I wanna be the Admin Web Daily AlpacaHack	157 solves	2 days ago
Basic Buffer Overflow Pwn Daily AlpacaHack	126 solves	3 days ago
crazython Rev Daily AlpacaHack	147 solves	4 days ago
RSA2026 Crypto Daily AlpacaHack	164 solves	5 days ago
SwapSwap Misc Daily AlpacaHack	205 solves	6 days ago
secret-table Web Daily AlpacaHack	189 solves	last week
Square RSA Crypto Daily AlpacaHack	177 solves	last week
jailiaj Misc Daily AlpacaHack	197 solves	last week
Encoding Basics Crypto Misc Daily AlpacaHack	206 solves	last week
Fushigi Crawler Web Daily AlpacaHack	221 solves	last week
Ruby Flag Checker Rev Daily AlpacaHack	200 solves	last week
super-tomato Crypto Daily AlpacaHack	248 solves	last week
108 Misc Daily AlpacaHack	207 solves	2 weeks ago
login-bonus Pwn Daily AlpacaHack	212 solves	4 weeks ago
🐈 Web Daily AlpacaHack	243 solves	4 weeks ago
Flag Printer 2100 Rev Daily AlpacaHack	198 solves	last month
power_obfus_royalty Rev Daily AlpacaHack	177 solves	last month
Safe Prime Crypto Daily AlpacaHack	222 solves	last month
Sugoi Flag Checker Rev Daily AlpacaHack	175 solves	last month
Alpaca Bank Web Daily AlpacaHack	254 solves	last month
Read Assembly Rev Daily AlpacaHack	250 solves	last month
hit-and-miss Misc Daily AlpacaHack	278 solves	last month
Integer Writer Pwn Daily AlpacaHack	248 solves	last month
simpleoverflow Pwn Daily AlpacaHack	370 solves	last month
Leaked Flag Checker Rev Daily AlpacaHack	406 solves	last month
Emojify Web Daily AlpacaHack	437 solves	last month
a fact of CTF Crypto Daily AlpacaHack	616 solves	last month
AlpacaHack 2100 Misc Daily AlpacaHack	982 solves	last month
Jerry's flag checker Crypto AlpacaHack Round 13 (Crypto)	29 solves	5 months ago
F is for Flag Rev SECCON CTF 13 Quals	2 solves	11 months ago
RSAMPC Crypto AlpacaHack Round 9 (Crypto)	33 solves	11 months ago
subway Rev AlpacaHack Round 8 (Rev)	14 solves	last year
hidden Rev AlpacaHack Round 8 (Rev)	70 solves	last year
masking tape Rev AlpacaHack Round 8 (Rev)	168 solves	last year
Welcome Misc	1347 solves	last year
Alpaca Poll Web AlpacaHack Round 7 (Web)	124 solves	last year
Treasure Hunt Web AlpacaHack Round 7 (Web)	257 solves	last year
wall Pwn AlpacaHack Round 6 (Pwn)	57 solves	last year
catcpy Pwn AlpacaHack Round 6 (Pwn)	138 solves	last year
inbound Pwn AlpacaHack Round 6 (Pwn)	197 solves	last year
service Rev zer0pts CTF 2022	6 solves	last year
Modern Rome Pwn zer0pts CTF 2022	21 solves	last year
Anti-Fermat Crypto zer0pts CTF 2022	27 solves	last year
GitFile Explorer Web zer0pts CTF 2022	42 solves	last year
Simple Flag Checker Rev AlpacaHack Round 4 (Rev)	122 solves	last year
qrime Crypto AlpacaHack Round 3 (Crypto)	243 solves	last year
Simple Login Web AlpacaHack Round 2 (Web)	543 solves	last year
hexecho Pwn AlpacaHack Round 1 (Pwn)	109 solves	last year
echo Pwn AlpacaHack Round 1 (Pwn)	328 solves	last year
fvm Rev zer0pts CTF 2023	6 solves	last year
mimikyu Rev zer0pts CTF 2023	13 solves	last year
decompile me Rev zer0pts CTF 2023	46 solves	last year
aush Pwn zer0pts CTF 2023	20 solves	last year
kiwi Rev CakeCTF 2022	7 solves	last year
luau Rev CakeCTF 2022	31 solves	last year
welkerme Pwn CakeCTF 2022	25 solves	last year
frozen cake Crypto CakeCTF 2022	68 solves	last year
nimrev Rev CakeCTF 2022	76 solves	last year

Only archived challenges are displayed here.