This feels like random speculation. If these alleged backdoors existed, I'm almost certain they would have been exposed by independent researchers by now. It'

This feels like random speculation. If these alleged backdoors existed, I'm almost certain they would have been exposed by independent researchers by now. It's more likely that these botnets were taken down by analyzing and tracing network traffic (with the collaboration of larger peering points) and finding the C&C machines and taking those out.