# 8333,18333,38333,18444 - Pentesting Bitcoin {% hint style="success" %} Learn & practice AWS Hacking:[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)\ Learn & practice GCP Hacking: [**HackTricks Training GCP Red Team Expert (GRTE)**](https://training.hacktricks.xyz/courses/grte)
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{% endhint %} ## Informações Básicas * A **porta 8333** é usada por nós do Bitcoin na **mainnet** para se comunicarem entre si. * A **porta 18333** é usada por nós do Bitcoin na **testnet** para se comunicarem entre si. * A **porta 38333** é usada por nós do Bitcoin na **signet** para se comunicarem entre si. * A **porta 18444** é usada por nós do Bitcoin na **regtest** (local) para se comunicarem entre si. **Porta padrão:** 8333, 18333, 38333, 18444 ``` PORT STATE SERVICE 8333/tcp open bitcoin ``` ### Shodan * `port:8333 bitcoin` * `User-Agent: /Satoshi` ## Enumeração Os nós do Bitcoin fornecerão algumas informações se acharem que você é outro nó válido do bitcoin. **Nmap** tem um script para extrair essas informações: ``` 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 [...] ``` {% hint style="success" %} Aprenda e pratique Hacking AWS:[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)\ Aprenda e pratique Hacking GCP: [**HackTricks Training GCP Red Team Expert (GRTE)**](https://training.hacktricks.xyz/courses/grte)
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