While you can patch against malware infecting your tech stack or targeting your competitors, what about malware that hasn't been in the news? This presentation will cover what malware and tools are popular among underground forum members based on prevalence in forum ads, how malware presence differs between forums, and why understanding that difference matters. Winnona DeSombre (Twitter: @__winn) is an Asia Pacific threat intelligence researcher at Recorded Future, focusing on Chinese underground hacking communities and East Asian cyber espionage campaigns. She was recently featured in Threatcare's "Tribe of Hackers" book, containing career advice from some of the world's best information security professionals.