FileFix Series — Most Significant TTP 2026: Browser-Initiated Explorer.exe Launch via File-Picker Trigger (Initial Access)

Ibrahim Saud@tektrix

•updated 7 days ago•0•0•0

FileFix's core mechanism abuses the HTML input type=file element; clicking a lure button launches explorer.exe from the browser while JavaScript copies a disguised PowerShell command to the clipboard.