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zatsu
@zatsu308

CTF HISTORY

START DATECTFRANK

2025/05/17

AlpacaHack Round 11 (Web)
16 / 213

2025/03/23

AlpacaHack Round 10 (Pwn)
7 / 95

2025/01/26

AlpacaHack Round 9 (Crypto)
20 / 138

2024/12/30

AlpacaHack Round 8 (Rev)
16 / 316

2024/11/30

AlpacaHack Round 7 (Web)
58 / 458

2024/11/03

AlpacaHack Round 6 (Pwn)
10 / 197

2024/10/12

AlpacaHack Round 5 (Crypto)
21 / 247

2024/10/05

AlpacaHack Round 4 (Rev)
22 / 279

2024/09/15

AlpacaHack Round 3 (Crypto)
30 / 239

2024/09/01

AlpacaHack Round 2 (Web)
20 / 300

2024/08/18

AlpacaHack Round 1 (Pwn)
14 / 174

WRITEUPS

WRITEUPCREATED AT
Writeup (All Problems)
ja
AlpacaHack Round 1 (Pwn)

10 months ago

Writeup for RTACTF 2023 Spring (All Problems)
ja
RTACTF 2023 Spring

10 months ago

Writeup for CakeCTF 2023
ja
CakeCTF 2023

10 months ago

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Jackpot
Web

96 solves

last month

Takahashi
Pwn

22 solves

3 months ago

Kangaroo
Pwn

43 solves

3 months ago

Oyster
Pwn

80 solves

3 months ago

hidden
Rev

55 solves

5 months ago

masking tape
Rev

126 solves

5 months ago

Modern Rome
Pwn

17 solves

6 months ago

Anti-Fermat
Crypto

18 solves

6 months ago

Alpaca Poll
Web

101 solves

6 months ago

Treasure Hunt
Web

210 solves

6 months ago

Disco Party
Web

1 solve

7 months ago

miniblog++
Web

6 solves

7 months ago

GitFile Explorer
Web

30 solves

7 months ago

ideabook
Pwn

28 solves

7 months ago

catcpy
Pwn

111 solves

7 months ago

inbound
Pwn

160 solves

7 months ago

C-Sandbox
Misc

4 solves

7 months ago

smal arey
Pwn

11 solves

8 months ago

brand new crypto
Crypto

18 solves

8 months ago

OpenBio
Web

18 solves

8 months ago

readme 2022
Misc

10 solves

8 months ago

luau
Rev

24 solves

8 months ago

welkerme
Pwn

19 solves

8 months ago

CakeGEAR
Web

61 solves

8 months ago

frozen cake
Crypto

51 solves

8 months ago

nimrev
Rev

57 solves

8 months ago

str.vs.cstr
Pwn

19 solves

8 months ago

pytecode
Rev

18 solves

8 months ago

SchnorrLCG
Crypto

18 solves

8 months ago

NNNN
Crypto

36 solves

8 months ago

XorshiftStream
Crypto

48 solves

8 months ago

Everything Silver
Rev

16 solves

8 months ago

Simple Flag Checker
Rev

100 solves

8 months ago

A Dance of Add and Mul
Crypto

60 solves

9 months ago

Rainbow Sweet Alchemist
Crypto

93 solves

9 months ago

Hat Trick
Crypto

53 solves

9 months ago

qrime
Crypto

190 solves

9 months ago

CaaS
Web

73 solves

9 months ago

Pico Note 1
Web

62 solves

9 months ago

Simple Login
Web

426 solves

9 months ago

deck
Pwn

33 solves

10 months ago

todo
Pwn

19 solves

10 months ago

hexecho
Pwn

94 solves

10 months ago

echo
Pwn

271 solves

10 months ago

imgchk
Rev

6 solves

10 months ago

bofwow
Pwn

9 solves

10 months ago

1R-AES
Crypto

12 solves

10 months ago

only-read
Pwn

17 solves

10 months ago

read-write
Pwn

29 solves

10 months ago

Collision-DES
Crypto

30 solves

10 months ago

Reused-AES
Crypto

26 solves

10 months ago

write
Pwn

65 solves

10 months ago

before-write
Pwn

120 solves

10 months ago

XOR-CBC
Crypto

58 solves

10 months ago

Welcome
Misc

977 solves

10 months ago

janken vs yoshiking 2
Crypto

13 solves

10 months ago

Memorial Cabbage
Pwn

14 solves

10 months ago

Cake Puzzle
Rev

16 solves

10 months ago

bofww
Pwn

29 solves

11 months ago

simple signature
Crypto

22 solves

11 months ago

nande
Rev

12 solves

11 months ago

TOWFL
CheatWeb

36 solves

11 months ago

vtable4b
Pwn

44 solves

11 months ago

Country DB
Web

173 solves

11 months ago