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@kakur41

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kakur41

@kakur41

CTF HISTORY

START DATECTFRANK

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

WRITEUPCREATED AT
Writeup for secret-table
en
secret-table

13 hours ago

Writeup for Square RSA
en
Square RSA

yesterday

Writeup for jailiaj
en
jailiaj

2 days ago

Writeup for Encoding Basics
en
Encoding Basics

3 days ago

Writeup for Fushigi Crawler
en
Fushigi Crawler

4 days ago

Writeup for Ruby Flag Checker
en
Ruby Flag Checker

5 days ago

Writeup for super-tomato
ja
super-tomato

6 days ago

Writeup for 108
ja
108

last week

Writeup for RBG
ja
RBG

last week

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

last week

Writeup for cha-ll-enge
ja
cha-ll-enge

last week

Writeup for simpleoverwrite
ja
simpleoverwrite

last week

Writeup for Log Viewer
ja
Log Viewer

last week

Writeup for Rotten Beef
ja
Rotten Beef

last week

Writeup for cat3
ja
cat3

last week

Writeup for Useful Machine
ja
Useful Machine

last week

Writeup for Xmas Login
ja
Xmas Login

2 weeks ago

Writeup for RSA debug?
ja
RSA debug?

2 weeks ago

Writeup for omikuji
ja
omikuji

2 weeks ago

Writeup for alloc-101
ja
alloc-101

2 weeks ago

Writeup for Twilight
ja
Twilight

3 weeks ago

Writeup for login-bonus
ja
login-bonus

3 weeks ago

Writeup for 🐈
ja
🐈

3 weeks ago

Writeup for Flag Printer 2100
ja
Flag Printer 2100

3 weeks ago

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

CHALLENGESOLVES

SOLVED AT

secret-table
Web
Daily AlpacaHack

158 solves

yesterday

Square RSA
Crypto
Daily AlpacaHack

157 solves

2 days ago

jailiaj
Misc
Daily AlpacaHack

172 solves

3 days ago

Encoding Basics
CryptoMisc
Daily AlpacaHack

186 solves

4 days ago

Fushigi Crawler
Web
Daily AlpacaHack

193 solves

5 days ago

Ruby Flag Checker
Rev
Daily AlpacaHack

180 solves

6 days ago

super-tomato
Crypto
Daily AlpacaHack

221 solves

last week

Noisy Channel
Crypto

1 solve

last week

108
Misc
Daily AlpacaHack

196 solves

last week

RBG
Crypto
Daily AlpacaHack

104 solves

last week

one-p-rsa
Crypto
Daily AlpacaHack

164 solves

last week

cha-ll-enge
Rev
Daily AlpacaHack

124 solves

last week

simpleoverwrite
Pwn
Daily AlpacaHack

138 solves

last week

Useful Machine
Rev
Daily AlpacaHack

130 solves

2 weeks ago

Xmas Login
Web
Daily AlpacaHack

219 solves

2 weeks ago

cat3
Misc
Daily AlpacaHack

179 solves

2 weeks ago

Rotten Beef
Pwn
Daily AlpacaHack

161 solves

2 weeks ago

Log Viewer
Web
Daily AlpacaHack

177 solves

2 weeks ago

RSA debug?
Crypto
Daily AlpacaHack

159 solves

2 weeks ago

omikuji
Web
Daily AlpacaHack

188 solves

2 weeks ago

alloc-101
Pwn
Daily AlpacaHack

184 solves

3 weeks ago

Twilight
Rev
Daily AlpacaHack

187 solves

3 weeks ago

login-bonus
Pwn
Daily AlpacaHack

206 solves

3 weeks ago

🐈
Web
Daily AlpacaHack

236 solves

3 weeks ago

Flag Printer 2100
Rev
Daily AlpacaHack

193 solves

3 weeks ago

power_obfus_royalty
Rev
Daily AlpacaHack

171 solves

3 weeks ago

Safe Prime
Crypto
Daily AlpacaHack

215 solves

3 weeks ago

Sugoi Flag Checker
Rev
Daily AlpacaHack

171 solves

4 weeks ago

Alpaca Bank
Web
Daily AlpacaHack

248 solves

4 weeks ago

Read Assembly
Rev
Daily AlpacaHack

243 solves

4 weeks ago

hit-and-miss
Misc
Daily AlpacaHack

272 solves

last month

Fully Padded RSA
Crypto
Daily AlpacaHack

194 solves

last month

size limit
Crypto
Daily AlpacaHack

243 solves

last month

simpleoverflow
Pwn
Daily AlpacaHack

355 solves

last month

Integer Writer
Pwn
Daily AlpacaHack

242 solves

last month

Leaked Flag Checker
Rev
Daily AlpacaHack

393 solves

last month

Emojify
Web
Daily AlpacaHack

418 solves

last month

a fact of CTF
Crypto
Daily AlpacaHack

586 solves

last month

AlpacaHack 2100
Misc
Daily AlpacaHack

924 solves

last month

Iron Door
Crypto
CakeCTF 2023

5 solves

9 months ago

Rock Door
Crypto
CakeCTF 2022

9 solves

9 months ago

Oyster
Pwn
AlpacaHack Round 10 (Pwn)

118 solves

9 months ago

packed
Rev
SECCON CTF 13 Quals

12 solves

10 months ago

only-read
Pwn
RTACTF 2023 Spring

20 solves

10 months ago

read-write
Pwn
RTACTF 2023 Spring

39 solves

11 months ago

I2C Device
Rev
AlpacaHack Round 4 (Rev)

8 solves

11 months ago

EDDH
Crypto
zer0pts CTF 2022

4 solves

11 months ago

CurveCrypto
Crypto
zer0pts CTF 2022

6 solves

11 months ago

1linepyjail
Jail
SECCON CTF 13 Quals

4 solves

11 months ago

reiwa_rot13
Crypto
SECCON CTF 13 Quals

23 solves

11 months ago

Alpaca Poll
Web
AlpacaHack Round 7 (Web)

124 solves

11 months ago

catcpy
Pwn
AlpacaHack Round 6 (Pwn)

137 solves

11 months ago

masking tape
Rev
AlpacaHack Round 8 (Rev)

167 solves

11 months ago

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

255 solves

11 months ago

inbound
Pwn
AlpacaHack Round 6 (Pwn)

197 solves

last year

Modern Rome
Pwn
zer0pts CTF 2022

20 solves

last year

Anti-Fermat
Crypto
zer0pts CTF 2022

27 solves

last year

GitFile Explorer
Web
zer0pts CTF 2022

42 solves

last year

NNNN
Crypto
AlpacaHack Round 5 (Crypto)

44 solves

last year

pytecode
Rev
AlpacaHack Round 4 (Rev)

23 solves

last year

XorshiftStream
Crypto
AlpacaHack Round 5 (Crypto)

59 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

25 solves

last year

nande
Rev
CakeCTF 2023

13 solves

last year

Hat Trick
Crypto
AlpacaHack Round 3 (Crypto)

60 solves

last year

C-Sandbox
Misc
CakeCTF 2022

4 solves

last year

readme 2022
Misc
CakeCTF 2022

13 solves

last year

A Dance of Add and Mul
Crypto
AlpacaHack Round 3 (Crypto)

70 solves

last year

Simple Flag Checker
Rev
AlpacaHack Round 4 (Rev)

121 solves

last year

Rainbow Sweet Alchemist
Crypto
AlpacaHack Round 3 (Crypto)

119 solves

last year

qrime
Crypto
AlpacaHack Round 3 (Crypto)

241 solves

last year

Simple Login
Web
AlpacaHack Round 2 (Web)

537 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)

109 solves

last year

echo
Pwn
AlpacaHack Round 1 (Pwn)

322 solves

last year

aush
Pwn
zer0pts CTF 2023

19 solves

last year

luau
Rev
CakeCTF 2022

31 solves

last year

CakeGEAR
Web
CakeCTF 2022

76 solves

last year

TOWFL
CheatWeb
CakeCTF 2023

48 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

11 solves

last year

nimrev
Rev
CakeCTF 2022

75 solves

last year

simple signature
Crypto
CakeCTF 2023

26 solves

last year

frozen cake
Crypto
CakeCTF 2022

68 solves

last year

SquareRNG
Crypto
zer0pts CTF 2023

14 solves

last year

decompile me
Rev
zer0pts CTF 2023

46 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

35 solves

last year

write
Pwn
RTACTF 2023 Spring

83 solves

last year

XOR-CBC
Crypto
RTACTF 2023 Spring

74 solves

last year

before-write
Pwn
RTACTF 2023 Spring

153 solves

last year

vtable4b
Pwn
CakeCTF 2023

59 solves

last year

Country DB
Web
CakeCTF 2023

213 solves

last year

Welcome
Misc

1330 solves

last year