A new exploit targeting Android devices with open ADB port 5555 to spread malware through command line troubleshooting utility called Android Debug Bridge (ADB) The port generally shut down on the android device and user needs to need to turn it on manually while connecting their device through USB. Researchers linked to the Satori variant of the Mirai botnet, it was first discovered on 2017-11-22. All multimedia devices, smart TVs, mobile phones, and other devices without additional protection are easy targets for this malware.”]
Source: https://gbhackers.com/android-device-satori-variant/