How many of these stories are planted by the CIA in order to increase public animosity with China?
Literally no reason to believe any of this. Might be true, but doesn't matter if it's used as propaganda like this.
Run a honeypot and see where most of the traffic comes from.
I would be amazed if the basic accusation is false. Similarly I would be amazed if the US isn’t already doing this. I am fairly certain I knew someone who was actively involved in doing this in the Uk ten years ago. Why do you think otherwise?