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@hamayanhamayan

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hamayanhamayan

@hamayanhamayan

CTF HISTORY

START DATECTFRANK

2025/07/20

AlpacaHack Round 13 (Crypto)
23 / 62

2025/07/06

AlpacaHack Round 12 (Crypto)
13 / 78

2025/05/17

AlpacaHack Round 11 (Web)
33 / 213

2025/01/26

AlpacaHack Round 9 (Crypto)
20 / 138

2024/11/30

AlpacaHack Round 7 (Web)
43 / 458

2024/10/12

AlpacaHack Round 5 (Crypto)
32 / 247

2024/09/15

AlpacaHack Round 3 (Crypto)
92 / 239

2024/09/01

AlpacaHack Round 2 (Web)
13 / 300

2024/08/18

AlpacaHack Round 1 (Pwn)
57 / 174

WRITEUPS

WRITEUPCREATED AT
AlpacaHack Round 12 (Crypto) Writeup
ja
RSARSARSARSARSARSA

9 months ago

AlpacaHack Round 7 (Web) Writeups
ja
AlpacaHack Round 7 (Web)

last year

AlpacaHack Round 2 (Web) Writeups
ja
AlpacaHack Round 2 (Web)

last year

AlpacaHack Round 1 (Pwn) Writeup - Echo
ja
echo

last year

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Greeting
Web
tkbctf5

34 solves

last month

Dream of You
Web
tkbctf5

27 solves

last month

Secure Gate
Web
tkbctf5

71 solves

last month

Parallel and Buffet
Web
tkbctf5

57 solves

last month

Patisserie
Web
tkbctf5

98 solves

last month

Flag Printer 2100
Rev
Daily AlpacaHack

249 solves

4 months ago

power_obfus_royalty
Rev
Daily AlpacaHack

210 solves

4 months ago

Safe Prime
Crypto
SECCON Beginners CTF 2024

256 solves

4 months ago

Sugoi Flag Checker
Rev
Daily AlpacaHack

207 solves

4 months ago

Alpaca Bank
Web
Daily AlpacaHack

334 solves

4 months ago

Read Assembly
Rev
Daily AlpacaHack

317 solves

4 months ago

hit-and-miss
Misc
Daily AlpacaHack

389 solves

4 months ago

Fully Padded RSA
Crypto
Daily AlpacaHack

239 solves

4 months ago

size limit
Crypto
Daily AlpacaHack

323 solves

4 months ago

simpleoverflow
Pwn
SECCON Beginners CTF 2024

513 solves

4 months ago

Integer Writer
Pwn
Daily AlpacaHack

329 solves

4 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

573 solves

4 months ago

Emojify
Web
Daily AlpacaHack

597 solves

4 months ago

a fact of CTF
Crypto
Daily AlpacaHack

892 solves

4 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1669 solves

4 months ago

Jerr0-day
Crypto
AlpacaHack Round 13 (Crypto)

15 solves

8 months ago

Flag Sharing
Crypto
AlpacaHack Round 12 (Crypto)

10 solves

9 months ago

OTEC
Crypto
AlpacaHack Round 12 (Crypto)

39 solves

9 months ago

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

79 solves

9 months ago

Jackpot
Web
AlpacaHack Round 11 (Web)

163 solves

11 months ago

addprimes
Crypto
AlpacaHack Round 9 (Crypto)

27 solves

last year

RSAMPC
Crypto
AlpacaHack Round 9 (Crypto)

35 solves

last year

minimal-waf
Web
AlpacaHack Round 7 (Web)

25 solves

last year

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

271 solves

last year

CaaS
Web
AlpacaHack Round 2 (Web)

93 solves

last year

Simple Login
Web
AlpacaHack Round 2 (Web)

613 solves

last year

echo
Pwn
AlpacaHack Round 1 (Pwn)

358 solves

last year