Is it possible to spoof IP for NAT?

Question

Is it possible to trick the original IP address if I'm behind a router using NAT?

If not, how do botnet programmers manage to make a SYN stream from their subordinates? Doesn't Most Home / Business Networks Use NAT?

Answer 1

In short, No, unless you have a protocol leak.

The botnet can still “execute the SYN stream,” but if NAT detects the corporate LAN from the Internet, the router will be flooded.

Of course, the real situation is more complicated, but I will not fully describe it here.