SilverWall - Audio Firewall (Anti-XDT) од ilikecats98ecf8427e.intka@slmail.me

Looks like a speaker, Barks like Ultra-Sonic Cross Device Tracking Dog Whistle. ^_^ Thanks to the Advertising Companies like Silver-Push, the Power of JavaScript Embedded in Websites and Microphone Permissions in Smart Phones. Your devices can be linked and associated with the near by Devices around you. Use SilverWall FireFox Add-On as part of your tool-chain to prevent this kind of sneakiness.

Proof of Concept(POC) Security EXT from:
https://github.com/ubeacsec/Silverdog

All credit goes to Security Researcher: Vasilios Mavroudis
https://medium.com/@mavroudisv
https://scholar.google.com/citations?user=b10w74sAAAAJ

Android Audio Firewall Counterpart:
https://f-droid.org/en/packages/hans.b.skewy1_0/
https://github.com/skewyapp/skewy1-0