Microsoft has found a file-transfer tool used by the Platinum APT that leverages Intel Active Management Technology to stealthily load malware onto networked computers.

An obscure Windows feature known as hotpatching, missing in the OS since the introduction of Windows 8, is a preferred tool used by a resourced attack group called Platinum that was uncovered by Microsoft. The group has carried out targeted attacks in South and Southeast Asia since at least 2009, focusing primarily on government interests,...