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@tchen

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tchen
@tepelchen501

CTF HISTORY

START DATECTFRANK

2025/05/17

AlpacaHack Round 11 (Web)
4 / 213

2025/03/23

AlpacaHack Round 10 (Pwn)
19 / 95

2025/03/01

SECCON CTF 13 決勝観戦CTF
11 / 233

2024/12/30

AlpacaHack Round 8 (Rev)
15 / 316

2024/11/30

AlpacaHack Round 7 (Web)
33 / 458

2024/11/03

AlpacaHack Round 6 (Pwn)
45 / 197

2024/10/12

AlpacaHack Round 5 (Crypto)
28 / 247

2024/09/15

AlpacaHack Round 3 (Crypto)
92 / 239

2024/08/18

AlpacaHack Round 1 (Pwn)
58 / 174

WRITEUPS

WRITEUPCREATED AT
Writeup for AlpacaHack Round 7 (Web)
en
AlpacaHack Round 7 (Web)

7 months ago

Writeup for pytecode
ja
pytecode

9 months ago

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Tiny Note
Web
AlpacaHack Round 11 (Web)

9 solves

2 months ago

Jackpot
Web
AlpacaHack Round 11 (Web)

106 solves

2 months ago

Kangaroo
Pwn
AlpacaHack Round 10 (Pwn)

44 solves

4 months ago

Oyster
Pwn
AlpacaHack Round 10 (Pwn)

86 solves

4 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

echo
Pwn
AlpacaHack Round 1 (Pwn)

280 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

inbound
Pwn
AlpacaHack Round 6 (Pwn)

171 solves

8 months ago

GitFile Explorer
Web
zer0pts CTF 2022

31 solves

8 months ago

XorshiftStream
Crypto
AlpacaHack Round 5 (Crypto)

49 solves

9 months ago

Simple Flag Checker
Rev
AlpacaHack Round 4 (Rev)

101 solves

9 months ago

pytecode
Rev
AlpacaHack Round 4 (Rev)

19 solves

9 months ago

Panda Memo
Web
CakeCTF 2022

1 solve

10 months ago

Pico Note 2
Web
AlpacaHack Round 2 (Web)

7 solves

10 months ago

Pico Note 1
Web
AlpacaHack Round 2 (Web)

65 solves

10 months ago

Simple Login
Web
AlpacaHack Round 2 (Web)

443 solves

10 months ago

CaaS
Web
AlpacaHack Round 2 (Web)

74 solves

10 months ago

read-write
Pwn
RTACTF 2023 Spring

31 solves

11 months ago

write
Pwn
RTACTF 2023 Spring

68 solves

11 months ago

Reused-AES
Crypto
RTACTF 2023 Spring

26 solves

11 months ago

XOR-CBC
Crypto
RTACTF 2023 Spring

61 solves

11 months ago

before-write
Pwn
RTACTF 2023 Spring

129 solves

11 months ago

Welcome
Misc

1011 solves

11 months ago

Neko Note
Web
zer0pts CTF 2023

8 solves

11 months ago

OpenBio 2
Web
CakeCTF 2023

5 solves

11 months ago

readme 2022
Misc
CakeCTF 2022

10 solves

11 months ago

OpenBio
Web
CakeCTF 2022

19 solves

11 months ago

jqi
Web
zer0pts CTF 2023

10 solves

11 months ago

Warmuprofile
Web
zer0pts CTF 2023

21 solves

11 months ago

AdBlog
Web
CakeCTF 2023

9 solves

11 months ago

CakeGEAR
Web
CakeCTF 2022

63 solves

11 months ago

TOWFL
WebCheat
CakeCTF 2023

38 solves

11 months ago

Country DB
Web
CakeCTF 2023

181 solves

11 months ago