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pppp4649

@pppp46497

CTF HISTORY

START DATECTFRANK

2025/07/06

AlpacaHack Round 12 (Crypto)
40 / 78

2025/03/01

SECCON CTF 13 決勝観戦CTF
21 / 233

2025/01/26

AlpacaHack Round 9 (Crypto)
20 / 138

2024/10/12

AlpacaHack Round 5 (Crypto)
32 / 247

2024/10/05

AlpacaHack Round 4 (Rev)
44 / 279

2024/09/15

AlpacaHack Round 3 (Crypto)
92 / 239

2024/09/01

AlpacaHack Round 2 (Web)
85 / 300

WRITEUPS

WRITEUPCREATED AT
Writeup for Encoding Basics
ja
Encoding Basics

2 weeks ago

Writeup for super-tomato
ja
super-tomato

2 weeks ago

Writeup for RBG
ja
RBG

3 weeks ago

Writeup for one-p-rsa
ja
one-p-rsa

3 weeks ago

Writeup for RSA debug?
ja
RSA debug?

4 weeks ago

Writeup for RSARSARSARSARSARSA
ja
RSARSARSARSARSARSA

last month

Writeup for Anti-Fermat
ja
Anti-Fermat

last month

Writeup for Safe Prime
ja
Safe Prime

last month

Writeup for Fully Padded RSA
ja
Fully Padded RSA

last month

Writeup for size limit
ja
size limit

last month

Writeup for a fact of CTF
ja
a fact of CTF

last month

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Animal Viewer
Web
Daily AlpacaHack

105 solves

yesterday

dockerstack
Misc
Daily AlpacaHack

133 solves

2 days ago

system-v
Rev
Daily AlpacaHack

95 solves

3 days ago

ChaChaCha
Crypto
Daily AlpacaHack

128 solves

4 days ago

dice roll
Web
Daily AlpacaHack

148 solves

5 days ago

Base Length
Misc
Daily AlpacaHack

127 solves

6 days ago

Short Writer
Pwn
Daily AlpacaHack

95 solves

last week

Five Alpacas
Crypto
Daily AlpacaHack

148 solves

last week

free-comment
Misc
Daily AlpacaHack

133 solves

last week

I wanna be the Admin
Web
Daily AlpacaHack

188 solves

last week

Basic Buffer Overflow
Pwn
Daily AlpacaHack

143 solves

last week

crazython
Rev
Daily AlpacaHack

155 solves

last week

RSA2026
Crypto
Daily AlpacaHack

172 solves

last week

SwapSwap
Misc
Daily AlpacaHack

215 solves

2 weeks ago

secret-table
Web
Daily AlpacaHack

204 solves

2 weeks ago

Square RSA
Crypto
Daily AlpacaHack

186 solves

2 weeks ago

jailiaj
Misc
Daily AlpacaHack

209 solves

2 weeks ago

Encoding Basics
MiscCrypto
Daily AlpacaHack

225 solves

2 weeks ago

Fushigi Crawler
Web
Daily AlpacaHack

241 solves

2 weeks ago

Ruby Flag Checker
Rev
Daily AlpacaHack

212 solves

2 weeks ago

super-tomato
Crypto
Daily AlpacaHack

274 solves

3 weeks ago

108
Misc
Daily AlpacaHack

219 solves

3 weeks ago

RBG
Crypto
Daily AlpacaHack

112 solves

3 weeks ago

one-p-rsa
Crypto
Daily AlpacaHack

180 solves

3 weeks ago

cha-ll-enge
Rev
Daily AlpacaHack

132 solves

3 weeks ago

simpleoverwrite
Pwn
Daily AlpacaHack

159 solves

3 weeks ago

Useful Machine
Rev
Daily AlpacaHack

142 solves

4 weeks ago

Xmas Login
Web
Daily AlpacaHack

247 solves

4 weeks ago

easy_factoring
Crypto
zer0pts CTF 2023

28 solves

last month

simple signature
Crypto
CakeCTF 2023

27 solves

last month

reiwa_rot13
Crypto
SECCON CTF 13 Quals

24 solves

last month

OTEC
Crypto
AlpacaHack Round 12 (Crypto)

38 solves

last month

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

78 solves

last month

cat3
Misc
Daily AlpacaHack

187 solves

last month

Rotten Beef
Pwn
Daily AlpacaHack

171 solves

last month

Log Viewer
Web
Daily AlpacaHack

192 solves

last month

RSA debug?
Crypto
Daily AlpacaHack

168 solves

last month

XorshiftStream
Crypto
AlpacaHack Round 5 (Crypto)

60 solves

last month

omikuji
Web
Daily AlpacaHack

202 solves

last month

Rainbow Sweet Alchemist
Crypto
AlpacaHack Round 3 (Crypto)

121 solves

last month

qrime
Crypto
AlpacaHack Round 3 (Crypto)

245 solves

last month

alloc-101
Pwn
Daily AlpacaHack

192 solves

last month

Twilight
Rev
Daily AlpacaHack

193 solves

last month

login-bonus
Pwn
Daily AlpacaHack

215 solves

last month

Anti-Fermat
Crypto
zer0pts CTF 2022

28 solves

last month

🐈
Web
Daily AlpacaHack

249 solves

last month

Flag Printer 2100
Rev
Daily AlpacaHack

203 solves

last month

power_obfus_royalty
Rev
Daily AlpacaHack

179 solves

last month

Safe Prime
Crypto
Daily AlpacaHack

223 solves

last month

Sugoi Flag Checker
Rev
Daily AlpacaHack

178 solves

last month

Alpaca Bank
Web
Daily AlpacaHack

264 solves

last month

Read Assembly
Rev
Daily AlpacaHack

256 solves

last month

hit-and-miss
Misc
Daily AlpacaHack

287 solves

last month

Fully Padded RSA
Crypto
Daily AlpacaHack

205 solves

last month

size limit
Crypto
Daily AlpacaHack

256 solves

last month

simpleoverflow
Pwn
Daily AlpacaHack

381 solves

last month

Integer Writer
Pwn
Daily AlpacaHack

264 solves

last month

Leaked Flag Checker
Rev
Daily AlpacaHack

419 solves

last month

Emojify
Web
Daily AlpacaHack

450 solves

last month

a fact of CTF
Crypto
Daily AlpacaHack

640 solves

last month

AlpacaHack 2100
Misc
Daily AlpacaHack

1036 solves

last month

Broadcasting NTRU
Crypto
AlpacaHack Round 5 (Crypto)

10 solves

last year

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

261 solves

last year

Simple Login
Web
AlpacaHack Round 2 (Web)

548 solves

last year

Welcome
Misc

1369 solves

last year