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87 lines
3.7 KiB
Markdown
87 lines
3.7 KiB
Markdown
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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**Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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**Share your hacking tricks submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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# 8333,18333,38333,18444 - Pentesting Bitcoin
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## Basic Information
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* The **port 8333** is used by Bitcoin nodes in the **mainnet** to communicate between them.
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* The **port 18333** is used Bitcoin nodes in the **testnet** to communicate between them.
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* The **port 38333** is used Bitcoin nodes in the **signet** to communicate between them.
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* The **port 18444** is used Bitcoin nodes in the **regtest** (local) to communicate between them.
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**Default port:** 8333, 18333, 38333, 18444
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```
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PORT STATE SERVICE
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8333/tcp open bitcoin
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```
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### Shodan
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* `port:8333 bitcoin`
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* `User-Agent: /Satoshi`
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## Enumeration
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Bitcoin nodes will give you some information if they think that you are another valid bitcoin node. **Nmap** have some script to extract this information:
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```
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sudo nmap -p 8333 --script bitcoin-info --script bitcoin-getaddr 170.39.103.39
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PORT STATE SERVICE
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8333/tcp open bitcoin
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| bitcoin-info:
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| Timestamp: 2022-04-08T22:33:58
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| Network: main
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| Version: 0.7.0
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| Node Id: 1bea074ea4f6eca3
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| Lastblock: 731027
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|_ User Agent: /Satoshi:0.19.1/
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sudo nmap -p 8333 --script bitcoin-getaddr 170.39.103.39
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PORT STATE SERVICE
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8333/tcp open bitcoin
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| bitcoin-getaddr:
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| ip timestamp
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| 2a02:c7e:486a:2b00:3d26:db39:537f:59f2:8333 2022-03-25T07:30:45
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| 2600:1f1c:2d3:2403:7b7d:c11c:ca61:f6e2:8333 2022-04-08T07:16:38
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| 75.128.4.27:8333 2022-04-02T08:10:45
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[...]
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```
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
|
|
|
|
Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
|
|
|
|
Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
|
|
|
|
Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
|
|
|
|
**Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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**Share your hacking tricks submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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