Merlin
A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.
A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.
Checked October 2026.
Merlin is a cross-platform post-exploitation Command & Control (C2) framework written in Golang that utilizes HTTP/2 protocol for communication between server and agents.
The framework enables operators to maintain persistent access to compromised systems through a client-server architecture. The server component acts as the command and control infrastructure, while lightweight agents are deployed on target systems to establish communication channels.
Key capabilities include remote command execution on compromised hosts, file upload and download functionality for data exfiltration and tool deployment, and cross-platform compatibility supporting multiple operating systems. The HTTP/2 protocol implementation provides efficient communication with features like multiplexing and header compression.
The Golang implementation offers a compiled binary approach that reduces dependencies and provides consistent performance across different platforms. The framework supports various post-exploitation activities commonly used in penetration testing and red team operations.
Merlin includes agent management capabilities for handling multiple compromised systems simultaneously and provides a command-line interface for operator interaction with the C2 infrastructure.
No core features are listed for this product yet, so check the vendor's documentation for the full feature list.
No integrations are listed for this product yet. Check the vendor's documentation, or ask the vendor which integrations and APIs it supports.
Common questions about Merlin: features, pricing and alternatives.
Merlin is a product in the Red-Team & Adversary Emulation category. It covers Post Exploitation, C2 and Red Team.
Merlin is free. Download and setup instructions are at https://github.com/Ne0nd0g/merlin/.
Alternatives to Merlin listed on CybersecTools:
Compare all Merlin alternatives at https://cybersectools.com/alternatives/merlin
Merlin is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.
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