
Alan Sguigna
It is possible to break at the earliest part of Windows boot via the ENABLEJTAGBREAK facility made available within bootmgfw!BlBdWaitForJtagHwDebugger. In this article, thereโs a short description and video whereby Iโve collected Intel Processor Trace as the target boots from early Windows to the first SMM entry; and then used AI to analyze it. The results are outstanding.ย