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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

8 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

33 solves

2 weeks ago

Dream of You
Web
tkbctf5

27 solves

2 weeks ago

Secure Gate
Web
tkbctf5

69 solves

2 weeks ago

Parallel and Buffet
Web
tkbctf5

56 solves

2 weeks ago

Patisserie
Web
tkbctf5

96 solves

2 weeks ago

Flag Printer 2100
Rev
Daily AlpacaHack

242 solves

3 months ago

power_obfus_royalty
Rev
Daily AlpacaHack

202 solves

3 months ago

Safe Prime
Crypto
Daily AlpacaHack

249 solves

3 months ago

Sugoi Flag Checker
Rev
Daily AlpacaHack

198 solves

3 months ago

Alpaca Bank
Web
Daily AlpacaHack

322 solves

3 months ago

Read Assembly
Rev
Daily AlpacaHack

305 solves

3 months ago

hit-and-miss
Misc
Daily AlpacaHack

373 solves

3 months ago

Fully Padded RSA
Crypto
Daily AlpacaHack

233 solves

3 months ago

size limit
Crypto
Daily AlpacaHack

310 solves

3 months ago

simpleoverflow
Pwn
Daily AlpacaHack

489 solves

3 months ago

Integer Writer
Pwn
Daily AlpacaHack

316 solves

3 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

546 solves

3 months ago

Emojify
Web
Daily AlpacaHack

577 solves

3 months ago

a fact of CTF
Crypto
Daily AlpacaHack

858 solves

3 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1562 solves

3 months ago

Jerr0-day
Crypto
AlpacaHack Round 13 (Crypto)

15 solves

8 months ago

Flag Sharing
Crypto
AlpacaHack Round 12 (Crypto)

10 solves

8 months ago

OTEC
Crypto
AlpacaHack Round 12 (Crypto)

39 solves

8 months ago

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

79 solves

8 months ago

Jackpot
Web
AlpacaHack Round 11 (Web)

161 solves

10 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)

268 solves

last year

CaaS
Web
AlpacaHack Round 2 (Web)

93 solves

last year

Simple Login
Web
AlpacaHack Round 2 (Web)

606 solves

last year

echo
Pwn
AlpacaHack Round 1 (Pwn)

354 solves

last year