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zatsu
@zatsu308

CTF HISTORY

START DATECTFRANK

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)

8 months ago

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

8 months ago

Writeup for CakeCTF 2023
ja
CakeCTF 2023

8 months ago

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Takahashi
Pwn

20 solves

last month

Kangaroo
Pwn

35 solves

last month

Oyster
Pwn

67 solves

last month

hidden
Rev

50 solves

3 months ago

masking tape
Rev

115 solves

3 months ago

Modern Rome
Pwn

14 solves

4 months ago

Anti-Fermat
Crypto

15 solves

4 months ago

Alpaca Poll
Web

90 solves

4 months ago

Treasure Hunt
Web

181 solves

4 months ago

Disco Party
Web

1 solve

5 months ago

miniblog++
Web

4 solves

5 months ago

GitFile Explorer
Web

23 solves

5 months ago

ideabook
Pwn

27 solves

5 months ago

catcpy
Pwn

106 solves

5 months ago

inbound
Pwn

146 solves

5 months ago

C-Sandbox
Misc

4 solves

5 months ago

smal arey
Pwn

10 solves

5 months ago

brand new crypto
Crypto

17 solves

5 months ago

OpenBio
Web

17 solves

6 months ago

readme 2022
Misc

10 solves

6 months ago

luau
Rev

23 solves

6 months ago

welkerme
Pwn

17 solves

6 months ago

CakeGEAR
Web

56 solves

6 months ago

frozen cake
Crypto

51 solves

6 months ago

nimrev
Rev

55 solves

6 months ago

str.vs.cstr
Pwn

18 solves

6 months ago

pytecode
Rev

16 solves

6 months ago

SchnorrLCG
Crypto

18 solves

6 months ago

NNNN
Crypto

35 solves

6 months ago

XorshiftStream
Crypto

47 solves

6 months ago

Everything Silver
Rev

15 solves

6 months ago

Simple Flag Checker
Rev

91 solves

6 months ago

A Dance of Add and Mul
Crypto

59 solves

7 months ago

Rainbow Sweet Alchemist
Crypto

89 solves

7 months ago

Hat Trick
Crypto

53 solves

7 months ago

qrime
Crypto

180 solves

7 months ago

CaaS
Web

64 solves

7 months ago

Pico Note 1
Web

59 solves

7 months ago

Simple Login
Web

380 solves

7 months ago

deck
Pwn

32 solves

8 months ago

todo
Pwn

19 solves

8 months ago

hexecho
Pwn

89 solves

8 months ago

echo
Pwn

250 solves

8 months ago

imgchk
Rev

6 solves

8 months ago

bofwow
Pwn

9 solves

8 months ago

1R-AES
Crypto

11 solves

8 months ago

only-read
Pwn

16 solves

8 months ago

read-write
Pwn

27 solves

8 months ago

Collision-DES
Crypto

28 solves

8 months ago

Reused-AES
Crypto

25 solves

8 months ago

write
Pwn

58 solves

8 months ago

before-write
Pwn

111 solves

8 months ago

XOR-CBC
Crypto

57 solves

8 months ago

Welcome
Misc

893 solves

8 months ago

janken vs yoshiking 2
Crypto

12 solves

8 months ago

Memorial Cabbage
Pwn

12 solves

8 months ago

Cake Puzzle
Rev

15 solves

8 months ago

bofww
Pwn

27 solves

8 months ago

simple signature
Crypto

21 solves

8 months ago

nande
Rev

11 solves

8 months ago

TOWFL
CheatWeb

34 solves

8 months ago

vtable4b
Pwn

41 solves

8 months ago

Country DB
Web

154 solves

8 months ago