# VNC

Adversaries may use Valid Accounts to remotely control machines using Virtual Network Computing(VNC). The adversary may then perform actions as the logged-on user.

VNC is a desktop sharing system that allows users to remotely control another computer's display by relaying mouse and keyboard inputs over the network. VNC does not necessarily use standard user credentials. Instead, a VNC client and server may be configured with sets of credentials that are only for VNC connections.

**Example**

We will encounter sometimes options where RDP is not available but we do have another form of GUI interface named VNC.

![](/files/-MRl2ZgyJRbLEb5pfXG9)

Above we require to have credentials (**TIGHTVNC requires Remote Credentials only No username**)


---

# Agent Instructions: 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://dmcxblue.gitbook.io/red-team-notes-2-0/red-team-techniques/lateral-movement/t1021-remote-services/vnc.md?ask=<question>
```

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.