//They showed an actual chip last time[1] but it seemed to me that it couldn't possibly house the logic necessary for data exfiltration. It looked like some sort of voltage conditioner. I am not an electrical engineer though.

//https://www.bloomberg.com/news/features/2018-10-04/the-big-h...

Edit: now it is obvious to me that these were artistic renditions and not photos of any chip. Disregard the above.