Today, I published the following diary on isc.sans.edu: “More Exotic Excel Files Dropping AgentTesla”:
Excel is an excellent target for attackers. The Microsoft Office suite is installed on millions of computers, and people trust these files. If we have the classic xls, xls, xlsm file extensions, Excel supports many others! Just check your local registry… [Read morehttps://isc.sans.edu/diary/More%20Exotic%20Excel%20Files%20Dropping%20AgentTesla/30150]