Long after the front desk closes and the pool lights dim, the resort's back-office machines keep humming. Someone, or something, has been logging in during the small hours, well after the night-shift technician has gone home.

Nothing obvious shows up in Startup, Scheduled Tasks, or the registry Run keys. Whatever's keeping itself alive is hiding somewhere quieter, tucked away in a corner of the system most tools don't think to check.

Guests working from the AttackBox will find the room's attachments already sitting in the luggage room, no need to check anything in. Head to:

The bellhop's lockbox on that luggage is sealed with the passphrase: