Configuring a port (e.g., 8888) on the router (Port Forwarding) or using a service like Ngrok to allow the "stub" (the infected APK) to communicate back to the controller.
Configuring a port (e.g., 8888) on the router (Port Forwarding) or using a service like Ngrok to allow the "stub" (the infected APK) to communicate back to the controller.