8333,18333,38333,18444 - Pentesting Bitcoin

Tip

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๊ธฐ๋ณธ ์ •๋ณด

  • ํฌํŠธ 8333์€ Bitcoin ๋…ธ๋“œ๊ฐ€ mainnet์—์„œ ์„œ๋กœ ํ†ต์‹ ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
  • ํฌํŠธ 18333์€ Bitcoin ๋…ธ๋“œ๊ฐ€ testnet์—์„œ ์„œ๋กœ ํ†ต์‹ ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
  • ํฌํŠธ 38333์€ Bitcoin ๋…ธ๋“œ๊ฐ€ signet์—์„œ ์„œ๋กœ ํ†ต์‹ ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
  • ํฌํŠธ 18444์€ Bitcoin ๋…ธ๋“œ๊ฐ€ regtest (๋กœ์ปฌ)์—์„œ ์„œ๋กœ ํ†ต์‹ ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ํฌํŠธ: 8333, 18333, 38333, 18444

PORT      STATE SERVICE
8333/tcp open  bitcoin

Shodan

  • port:8333 bitcoin
  • User-Agent: /Satoshi

Enumeration

๋น„ํŠธ์ฝ”์ธ ๋…ธ๋“œ๋Š” ๋‹น์‹ ์ด ๋‹ค๋ฅธ ์œ ํšจํ•œ ๋น„ํŠธ์ฝ”์ธ ๋…ธ๋“œ๋ผ๊ณ  ์ƒ๊ฐํ•˜๋ฉด ์ผ๋ถ€ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. Nmap์—๋Š” ์ด ์ •๋ณด๋ฅผ ์ถ”์ถœํ•˜๋Š” ์Šคํฌ๋ฆฝํŠธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค:

sudo nmap -p 8333 --script bitcoin-info --script bitcoin-getaddr 170.39.103.39
PORT     STATE SERVICE
8333/tcp open  bitcoin
| bitcoin-info:
|   Timestamp: 2022-04-08T22:33:58
|   Network: main
|   Version: 0.7.0
|   Node Id: 1bea074ea4f6eca3
|   Lastblock: 731027
|_  User Agent: /Satoshi:0.19.1/

sudo nmap -p 8333 --script bitcoin-getaddr 170.39.103.39
PORT     STATE SERVICE
8333/tcp open  bitcoin
| bitcoin-getaddr:
|   ip                                            timestamp
|   2a02:c7e:486a:2b00:3d26:db39:537f:59f2:8333   2022-03-25T07:30:45
|   2600:1f1c:2d3:2403:7b7d:c11c:ca61:f6e2:8333   2022-04-08T07:16:38
|   75.128.4.27:8333                              2022-04-02T08:10:45
[...]

Tip

AWS ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ:HackTricks Training AWS Red Team Expert (ARTE)
GCP ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training GCP Red Team Expert (GRTE) Azure ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training Azure Red Team Expert (AzRTE)

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