Here’s a breakdown of why that specific file type is so interesting from a security perspective: The "Macro-Archive" Strategy
Because Microsoft has been cracking down on Office macros, threat actors have started hiding their malicious files inside container formats like or ISO to bypass security filters. Office Macro Downloader.rar
Inside that archive is a Word or Excel document. When you open it, it usually shows a fake "Protected" message, urging you to click "Enable Content" to see the file. Here’s a breakdown of why that specific file
According to researchers at Proofpoint , the use of traditional macro attachments dropped by recently because Microsoft started blocking them by default. In response, attackers pivoted to using RAR and ISO attachments to trick users into manually extracting and running the malicious files. Interesting Reads on the Topic According to researchers at Proofpoint , the use
Macro-Blocking & How Threat Actors Are Adapting explains the shift from Office files to archives like RAR.