The Complete Metasploit Guide

What is meterpreter?

Meterpreter is an advanced extensible payload that uses an in-memory DLL injection. It significantly increases the post-exploitation capabilities of the Metasploit Framework. By communicating over the stager socket, it provides an extensive client-side Ruby API. Some of the notable features of meterpreter are as follows:

• Stealthy: Meterpreter completely resides in the memory of the compromised system and writes nothing to the disk. It doesn't spawn any new process; it injects itself into the compromised process. It has an ability to migrate to other running processes easily. By default, Meterpreter communicates over an encrypted channel. This leaves a limited trace on the compromised system from the forensic perspective. ...