Office Documents: May the XLL technique change the threat Landscape in 2022?
released on 2021-11-16 @ 05:01:41 PM
In the last months, security researchers monitored with particular attention several attack waves adopting a new delivery technique: binary libraries directly loaded by Microsoft Excel, just in one click. This emergent delivery technique leverages XLL files, a particular file type containing a Microsoft Excel application ready to be loaded.