Of course, the port of the Android Debug Bridge is only useful if your Raspi is running Android. Current Android builds for the Raspberry Pi are janky at best, but the current rate of progress ...

sudo apt install openjdk-8-jdk Android Software Development Kit (SDK): Includes the Android Debug Bridge (ADB) and other utilities for testing and debugging apps. This is included with Android Studio.

Named Matryosh, the botnet is going after Android devices where vendors have left a diagnostics and debugging interface known as Android Debug Bridge enabled and exposed on the internet.