ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

New Meterpreter C&C Session Activity

Risk Factors

Metasploit is a well known attack tool for generating exploit code and handling command-and-control (C&C) communication. Default settings in Metasploit facilitate attacks for less experienced or hasty attackers. Through a persistent command-and-control C&C channel, an attacker can remotely control a device and gain an entry point for further attacks on the network.

The system might change the risk score for this detection.

Category

Command-and-Control
Detection diagram
Next in Command-and-Control: New Non-Standard SSH Port Activity

Attack Background

The Metasploit Framework includes several modules for generating payloads with exploit code. The most common payload type is the Meterpreter payload, which helps manage C&C channels. The Meterpreter payload is delivered to the victim through a successful exploit and the payload initiates a TCP or HTTP connection with a C&C server running the Metasploit module. A Meterpreter session is then opened, enabling the attacker to run commands on the victim.

Mitigation Options

Apply system updates regularly to reduce the number of vulnerabilities that can be exploited

Quarantine the client while checking for indicators of compromise

Block inbound and outbound traffic from suspicious hosts at the network perimeter

Implement network segmentation and the principle of least privilege on accounts to minimize the damage caused by a compromised device

MITRE ATT&CK ID

Associated content

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