# T1021: Remote Services Adversaries may use Valid Accounts to log into a service specifically designed to accept remote connections, such as telnet, SSH, and VNC. The adversary may then perform actions as the logged-on user. In an enterprise environments, servers and workstations can be organized into domains. Domain provide centralized identity management, allowing users to login using one set of credentials across the entire network. If an adversary is able to obtain a set of valid credentials, they could login to many different machines using remote access protocols such as secure shell(SSH) or remote desktop protocol (RDP). --- # 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.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.