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@claustra01

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claustra01

@claustra01

CTF HISTORY

START DATECTFRANK

2025/05/17

AlpacaHack Round 11 (Web)
10 / 213

2024/11/30

AlpacaHack Round 7 (Web)
17 / 458

2024/09/01

AlpacaHack Round 2 (Web)
60 / 300

WRITEUPS

WRITEUPCREATED AT
Writeup for AlpacaHack Round 11 (Web)
ja
AlpacaMark

9 months ago

Writeup for AlpacaHack Round 7 (Web)
ja
Treasure Hunt

last year

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

79 solves

last month

Tiny Note
Web
AlpacaHack Round 11 (Web)

12 solves

last month

RSA debug?
Crypto
Daily AlpacaHack

173 solves

2 months ago

omikuji
Web
Daily AlpacaHack

217 solves

2 months ago

alloc-101
Pwn
Daily AlpacaHack

197 solves

2 months ago

Twilight
Rev
Daily AlpacaHack

205 solves

2 months ago

login-bonus
Pwn
Daily AlpacaHack

223 solves

2 months ago

🐈
Web
Daily AlpacaHack

273 solves

2 months ago

Flag Printer 2100
Rev
Daily AlpacaHack

219 solves

2 months ago

power_obfus_royalty
Rev
Daily AlpacaHack

187 solves

2 months ago

Safe Prime
Crypto
Daily AlpacaHack

234 solves

2 months ago

Sugoi Flag Checker
Rev
Daily AlpacaHack

186 solves

2 months ago

Alpaca Bank
Web
Daily AlpacaHack

290 solves

2 months ago

Read Assembly
Rev
Daily AlpacaHack

278 solves

2 months ago

hit-and-miss
Misc
Daily AlpacaHack

315 solves

2 months ago

Fully Padded RSA
Crypto
Daily AlpacaHack

215 solves

2 months ago

size limit
Crypto
Daily AlpacaHack

278 solves

2 months ago

simpleoverflow
Pwn
Daily AlpacaHack

430 solves

2 months ago

Integer Writer
Pwn
Daily AlpacaHack

283 solves

2 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

485 solves

2 months ago

Emojify
Web
Daily AlpacaHack

505 solves

2 months ago

a fact of CTF
Crypto
Daily AlpacaHack

744 solves

2 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1264 solves

2 months ago

AlpacaMark Revenge
Web

4 solves

2 months ago

Redirector
Web
AlpacaHack Round 11 (Web)

30 solves

9 months ago

AlpacaMark
Web
AlpacaHack Round 11 (Web)

14 solves

9 months ago

Jackpot
Web
AlpacaHack Round 11 (Web)

157 solves

9 months ago

reiwa_rot13
Crypto
SECCON CTF 13 Quals

27 solves

12 months ago

pp4
Jail
SECCON CTF 13 Quals

4 solves

12 months ago

janken vs yoshiking 2
Crypto
CakeCTF 2023

15 solves

last year

welkerme
Pwn
CakeCTF 2022

25 solves

last year

AdBlog
Web
CakeCTF 2023

11 solves

last year

NetFS 2
Misc
zer0pts CTF 2023

3 solves

last year

decompile me
Rev
zer0pts CTF 2023

48 solves

last year

OpenBio
Web
CakeCTF 2022

20 solves

last year

NetFS 1
Misc
zer0pts CTF 2023

12 solves

last year

luau
Rev
CakeCTF 2022

34 solves

last year

inbound
Pwn
AlpacaHack Round 6 (Pwn)

202 solves

last year

disconnection
Web
AlpacaHack Round 7 (Web)

23 solves

last year

nimrev
Rev
CakeCTF 2022

78 solves

last year

minimal-waf
Web
AlpacaHack Round 7 (Web)

24 solves

last year

Alpaca Poll
Web
AlpacaHack Round 7 (Web)

128 solves

last year

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

266 solves

last year

Welcome
Misc

1433 solves

last year

vtable4b
Pwn
CakeCTF 2023

61 solves

last year

TOWFL
WebCheat
CakeCTF 2023

49 solves

last year

Simple Login
Web
AlpacaHack Round 2 (Web)

576 solves

last year