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tan90909090
@Tan90909090

CTF HISTORY

START DATECTFRANK

2025/07/20

AlpacaHack Round 13 (Crypto)
13 / 62

2025/07/06

AlpacaHack Round 12 (Crypto)
40 / 78

2025/05/17

AlpacaHack Round 11 (Web)
65 / 213

2025/03/01

SECCON CTF 13 決勝観戦CTF
179 / 233

2025/01/26

AlpacaHack Round 9 (Crypto)
10 / 138

2024/12/30

AlpacaHack Round 8 (Rev)
8 / 316

2024/11/30

AlpacaHack Round 7 (Web)
25 / 458

2024/11/03

AlpacaHack Round 6 (Pwn)
19 / 197

2024/10/05

AlpacaHack Round 4 (Rev)
13 / 279

2024/09/15

AlpacaHack Round 3 (Crypto)
49 / 239

2024/09/01

AlpacaHack Round 2 (Web)
61 / 300

2024/08/18

AlpacaHack Round 1 (Pwn)
17 / 174

WRITEUPS

WRITEUPCREATED AT
Writeup for Jerry's flag checker
ja
Jerry's flag checker

2 days ago

Writeup for RSAMPC using z3-solver
ja
RSAMPC

5 months ago

Writeup for AlpacaHack Round 8 (Rev) (masking tape, hidden, subway)
ja
AlpacaHack Round 8 (Rev)

6 months ago

Writeup for AlpacaHack Round 7 (Web) (Treasure Hunt, Alpaca Poll)
ja
AlpacaHack Round 7 (Web)

7 months ago

Writeup for AlpacaHack Round 6 (Pwn) (inbound, catcpy, wall)
ja
AlpacaHack Round 6 (Pwn)

8 months ago

Writeup for zer0pts CTF 2022 (GitFile Explorer, Anti-Fermat, Modern Rome, service)
ja
zer0pts CTF 2022

9 months ago

Writeup for Simple Flag Checker
ja
Simple Flag Checker

9 months ago

Writeup for qrime
ja
qrime

10 months ago

Writeup for Simple Login
ja
Simple Login

10 months ago

Writeup for AlpacaHack Round 1 (Pwn) (echo, hexecho)
ja
AlpacaHack Round 1 (Pwn)

11 months ago

Writeup for zer0pts CTF 2023 (aush, decomple me, mimikyu, fvm)
ja
zer0pts CTF 2023

11 months ago

Writeup for CakeCTF 2022 (frozen cake, welkerme, nimrev, luau, kiwi)
ja
CakeCTF 2022

11 months ago

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Jerry's flag checker
Crypto
AlpacaHack Round 13 (Crypto)

24 solves

2 days ago

F is for Flag
Rev
SECCON CTF 13 Quals

1 solve

5 months ago

RSAMPC
Crypto
AlpacaHack Round 9 (Crypto)

28 solves

5 months ago

subway
Rev
AlpacaHack Round 8 (Rev)

12 solves

6 months ago

hidden
Rev
AlpacaHack Round 8 (Rev)

56 solves

6 months ago

masking tape
Rev
AlpacaHack Round 8 (Rev)

136 solves

6 months ago

Welcome
Misc

1009 solves

7 months ago

Alpaca Poll
Web
AlpacaHack Round 7 (Web)

103 solves

7 months ago

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

218 solves

7 months ago

wall
Pwn
AlpacaHack Round 6 (Pwn)

49 solves

8 months ago

catcpy
Pwn
AlpacaHack Round 6 (Pwn)

117 solves

8 months ago

inbound
Pwn
AlpacaHack Round 6 (Pwn)

170 solves

8 months ago

service
Rev
zer0pts CTF 2022

5 solves

9 months ago

Modern Rome
Pwn
zer0pts CTF 2022

18 solves

9 months ago

Anti-Fermat
Crypto
zer0pts CTF 2022

19 solves

9 months ago

GitFile Explorer
Web
zer0pts CTF 2022

31 solves

9 months ago

Simple Flag Checker
Rev
AlpacaHack Round 4 (Rev)

101 solves

9 months ago

qrime
Crypto
AlpacaHack Round 3 (Crypto)

199 solves

10 months ago

Simple Login
Web
AlpacaHack Round 2 (Web)

443 solves

10 months ago

hexecho
Pwn
AlpacaHack Round 1 (Pwn)

97 solves

11 months ago

echo
Pwn
AlpacaHack Round 1 (Pwn)

280 solves

11 months ago

fvm
Rev
zer0pts CTF 2023

4 solves

11 months ago

mimikyu
Rev
zer0pts CTF 2023

12 solves

11 months ago

decompile me
Rev
zer0pts CTF 2023

36 solves

11 months ago

aush
Pwn
zer0pts CTF 2023

16 solves

11 months ago

kiwi
Rev
CakeCTF 2022

6 solves

11 months ago

luau
Rev
CakeCTF 2022

24 solves

11 months ago

welkerme
Pwn
CakeCTF 2022

19 solves

11 months ago

frozen cake
Crypto
CakeCTF 2022

52 solves

11 months ago

nimrev
Rev
CakeCTF 2022

58 solves

11 months ago