> For the complete documentation index, see [llms.txt](https://blog.1nf1n1ty.team/hacktricks/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.1nf1n1ty.team/hacktricks/network-services-pentesting/512-pentesting-rexec.md). # 512 - Pentesting Rexec {% hint style="success" %} Learn & practice AWS Hacking:

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{% endhint %}

**Instantly available setup for vulnerability assessment & penetration testing**. Run a full pentest from anywhere with 20+ tools & features that go from recon to reporting. We don't replace pentesters - we develop custom tools, detection & exploitation modules to give them back some time to dig deeper, pop shells, and have fun. {% embed url="" %} ## Basic Information It is a service that **allows you to execute a command inside a host** if you know valid **credentials** (username and password). **Default Port:** 512 ``` PORT STATE SERVICE 512/tcp open exec ``` ### [**Brute-force**](/hacktricks/generic-methodologies-and-resources/brute-force.md#rexec)

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\ Learn & practice GCP Hacking:

[**HackTricks Training GCP Red Team Expert (GRTE)**

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{% endhint %} --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://blog.1nf1n1ty.team/hacktricks/network-services-pentesting/512-pentesting-rexec.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.