Malware Analysis - 3CX SmoothOperator Authenticode Abuse

[@MalwareAnalysisForHedgehogs]

SmoothOperator abuses Microsoft Authenticode signatures to seem valid. Here is an explanation how it works and how to detect it in files. Buy me a coffee: ko-fi.com/struppigel Follow me on Twitter: twitter.com/struppigel AnalysePESig: blog.didierstevens.com/programs/authenticode-tools/ SigFlip: github.com/med0x2e/SigFlip Sysinternals: learn.microsoft.com/en-us/sysinternals/downloads/sysinternals-suite Using unauthenticated data inside authenticode signed binaries: web.archive.org/web/20150426192725/blogs.msdn.com/b/ieinternals/archive/2014/09/04/personalizing-installers-using-unauthenticated-data-inside-authenticode-signed-binaries.aspx

[@ParthGupta-my9ox]

feels good to be the hedgehog. Thanks man♥♥