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@yuma4869

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yuma4869

CTF HISTORY

START DATECTFRANK

2025/07/20

AlpacaHack Round 13 (Crypto)
23 / 62

2025/07/06

AlpacaHack Round 12 (Crypto)
22 / 78

2025/05/17

AlpacaHack Round 11 (Web)
35 / 213

2025/03/23

AlpacaHack Round 10 (Pwn)
27 / 95

2025/03/01

SECCON CTF 13 決勝観戦CTF
44 / 233

2024/08/18

AlpacaHack Round 1 (Pwn)
58 / 174

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Log Viewer
Web
Daily AlpacaHack

188 solves

4 weeks ago

omikuji
Web
Daily AlpacaHack

200 solves

last month

alloc-101
Pwn
Daily AlpacaHack

190 solves

last month

Twilight
Rev
Daily AlpacaHack

192 solves

last month

login-bonus
Pwn
Daily AlpacaHack

213 solves

last month

🐈
Web
Daily AlpacaHack

245 solves

last month

Flag Printer 2100
Rev
Daily AlpacaHack

201 solves

last month

power_obfus_royalty
Rev
Daily AlpacaHack

178 solves

last month

Safe Prime
Crypto
Daily AlpacaHack

222 solves

last month

1linepyjail
Jail
SECCON CTF 13 Quals

4 solves

last month

Sugoi Flag Checker
Rev
Daily AlpacaHack

177 solves

last month

self-ssrf
Web
SECCON CTF 13 Quals

5 solves

last month

Alpaca Bank
Web
Daily AlpacaHack

260 solves

last month

dual_summon
Crypto
SECCON CTF 13 Quals

7 solves

last month

Jump
Rev
SECCON CTF 13 Quals

6 solves

last month

packed
Rev
SECCON CTF 13 Quals

12 solves

last month

Read Assembly
Rev
Daily AlpacaHack

253 solves

last month

hit-and-miss
Misc
Daily AlpacaHack

283 solves

last month

Fully Padded RSA
Crypto
Daily AlpacaHack

204 solves

last month

size limit
Crypto
Daily AlpacaHack

253 solves

last month

simpleoverflow
Pwn
Daily AlpacaHack

376 solves

last month

Integer Writer
Pwn
Daily AlpacaHack

262 solves

last month

Leaked Flag Checker
Rev
Daily AlpacaHack

414 solves

last month

qrime
Crypto
AlpacaHack Round 3 (Crypto)

244 solves

last month

echo
Pwn
AlpacaHack Round 1 (Pwn)

328 solves

last month

Emojify
Web
Daily AlpacaHack

442 solves

last month

a fact of CTF
Crypto
Daily AlpacaHack

631 solves

last month

Simple Login
Web
AlpacaHack Round 2 (Web)

545 solves

last month

AlpacaHack 2100
Misc
Daily AlpacaHack

1009 solves

last month

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

76 solves

6 months ago

Redirector
Web
AlpacaHack Round 11 (Web)

28 solves

8 months ago

Jackpot
Web
AlpacaHack Round 11 (Web)

149 solves

8 months ago

inbound
Pwn
AlpacaHack Round 6 (Pwn)

199 solves

9 months ago

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

259 solves

9 months ago

masking tape
Rev
AlpacaHack Round 8 (Rev)

168 solves

9 months ago

Oyster
Pwn
AlpacaHack Round 10 (Pwn)

119 solves

10 months ago

vtable4b
Pwn
CakeCTF 2023

59 solves

10 months ago

Country DB
Web
CakeCTF 2023

216 solves

10 months ago

welkerme
Pwn
CakeCTF 2022

25 solves

10 months ago

str.vs.cstr
Pwn
CakeCTF 2022

25 solves

10 months ago

frozen cake
Crypto
CakeCTF 2022

69 solves

10 months ago

nimrev
Rev
CakeCTF 2022

76 solves

10 months ago

Welcome
Misc

1358 solves

11 months ago