# 8333,18333,38333,18444 - Kupima Udukuzi wa Bitcoin

<details>

<summary><strong>Jifunze udukuzi wa AWS kutoka sifuri hadi shujaa na</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (Mtaalam wa Timu Nyekundu ya AWS ya HackTricks)</strong></a><strong>!</strong></summary>

* Je, unafanya kazi katika **kampuni ya usalama wa mtandao**? Je, ungependa kuona **kampuni yako ikionekana katika HackTricks**? Au ungependa kupata ufikiaji wa **toleo jipya zaidi la PEASS au kupakua HackTricks kwa PDF**? Angalia [**MPANGO WA KUJIUNGA**](https://github.com/sponsors/carlospolop)!
* Gundua [**Familia ya PEASS**](https://opensea.io/collection/the-peass-family), mkusanyiko wetu wa kipekee wa [**NFTs**](https://opensea.io/collection/the-peass-family)
* Pata [**swag rasmi ya PEASS & HackTricks**](https://peass.creator-spring.com)
* **Jiunge na** [**💬**](https://emojipedia.org/speech-balloon/) [**Kikundi cha Discord**](https://discord.gg/hRep4RUj7f) au [**kikundi cha telegram**](https://t.me/peass) au **nifuatilie** kwenye **Twitter** 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* **Shiriki mbinu zako za udukuzi kwa kuwasilisha PRs kwenye [repo ya hacktricks](https://github.com/carlospolop/hacktricks) na [repo ya hacktricks-cloud](https://github.com/carlospolop/hacktricks-cloud)**.

</details>

## Taarifa Msingi

* **Bandari 8333** hutumiwa na nodi za Bitcoin katika **mainnet** kuwasiliana kati yao.
* **Bandari 18333** hutumiwa na nodi za Bitcoin katika **testnet** kuwasiliana kati yao.
* **Bandari 38333** hutumiwa na nodi za Bitcoin katika **signet** kuwasiliana kati yao.
* **Bandari 18444** hutumiwa na nodi za Bitcoin katika **regtest** (eneo la ndani) kuwasiliana kati yao.

**Bandari ya chaguo-msingi:** 8333, 18333, 38333, 18444
```
PORT      STATE SERVICE
8333/tcp open  bitcoin
```
### Shodan

* `port:8333 bitcoin`
* `User-Agent: /Satoshi`

## Uchunguzi

Nodes za Bitcoin zitakupa taarifa fulani ikiwa wanafikiri kuwa wewe ni node halali ya Bitcoin nyingine. **Nmap** ina skripti kadhaa za kuchambua taarifa hizi:
```
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
[...]
```
<details>

<summary><strong>Jifunze kuhusu kudukua AWS kutoka sifuri hadi shujaa na</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (Mtaalam wa Timu Nyekundu ya AWS ya HackTricks)</strong></a><strong>!</strong></summary>

* Je, unafanya kazi katika **kampuni ya usalama wa mtandao**? Je, ungependa kuona **kampuni yako ikionekana katika HackTricks**? Au ungependa kupata ufikiaji wa **toleo jipya zaidi la PEASS au kupakua HackTricks kwa PDF**? Angalia [**MPANGO WA KUJIUNGA**](https://github.com/sponsors/carlospolop)!
* Gundua [**Familia ya PEASS**](https://opensea.io/collection/the-peass-family), mkusanyiko wetu wa kipekee wa [**NFTs**](https://opensea.io/collection/the-peass-family)
* Pata [**swag rasmi ya PEASS & HackTricks**](https://peass.creator-spring.com)
* **Jiunge na** [**💬**](https://emojipedia.org/speech-balloon/) [**Kikundi cha Discord**](https://discord.gg/hRep4RUj7f) au [**kikundi cha telegram**](https://t.me/peass) au **nifuatilie** kwenye **Twitter** 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* **Shiriki mbinu zako za kudukua kwa kuwasilisha PRs kwenye [repo ya hacktricks](https://github.com/carlospolop/hacktricks) na [repo ya hacktricks-cloud](https://github.com/carlospolop/hacktricks-cloud)**.

</details>