There are plenty of exfiltration examples out there that could go through known, commonly-greenlit domains. Even exfil via DNS requests has been demonstrated.
But at least in that case, there’s a chance that the outbound requests are blocked. Malware isn’t perfect. Simple measures can block a significant proportion of attacks.
But at least in that case, there’s a chance that the outbound requests are blocked. Malware isn’t perfect. Simple measures can block a significant proportion of attacks.