Here is a short story inspired by that concept. The Silent Port
It wasn't the payload that bothered her. It was the protocol . ncacn_http exploit
As she initiated a full tier-zero credential rotation, she watched the attacker’s last packet. It was a clean RPC_BIND_ACK —polite, almost. The digital equivalent of a thief tipping his hat before walking out the door. Here is a short story inspired by that concept
On the DC, a new scheduled task appeared: \Microsoft\Windows\Update\Orthrus . It would beacon out every 60 minutes over HTTPS, carrying domain credentials harvested from LSASS memory—exfiltrated inside the same allowed HTTP stream. As she initiated a full tier-zero credential rotation,
“That’s impossible,” she muttered. The company had spent two million dollars locking down SMB, blocking RPC direct ports, even micro-segmenting the domain controllers. But ncacn_http was the wolf in sheep’s clothing. It let RPC masquerade as a normal web request. And if an attacker had figured out how to weaponize it…
Location: Network Deep Packet Inspection Array, Sector 7
Maya activated the red team’s emergency channel. “We have a living-off-the-land breach. Vector: ncacn_http exploit. Treat all domain admin creds as burned.”