ArcBridge is a custom WebSocket tunneling tool used by Nimbus Manticore, observed in April 2026 targeting victims in the Middle East. It forwards traffic between server-specified targets and the WebSocket channel.
ArcBridge is a custom WebSocket tunneling tool used by Nimbus Manticore, observed in April 2026 targeting victims in the Middle East. It forwards traffic between server-specified targets and the WebSocket channel.