The FBI has filed charges against a Chinese malware broker named Yu Pingan, alleging that he provided hackers with malware, including the Sakula trojan, to breach multiple computer networks belonging to companies in the US. Yu was arrested on August 21 at Los Angeles International Airport, the Justice Department confirmed to ZDNet. The FBI’s criminal complaint alleges that Yu, also known as “GoldSun,” conspired with two unnamed hackers from around April 2011 through around January 2014 to maliciously target a group of US companies’ computer networks.