Ensure your OS is patched and your antivirus signatures are current.

Real-time viewing of the victim’s desktop.

Never run suspicious files on your host machine. Use Any.run or Joe Sandbox.

If you’re interested in learning more about this topic, I can: Explain how detects njRAT signatures.

If you are a developer or a student interested in cybersecurity, the best way to interact with tools like njRAT is through in a controlled environment.

The ability to kill antivirus tasks or other security software.