Multiple zero-day vulnerabilities in digital video recorders (DVRs) for surveillance systems manufactured by Taiwan-based LILIN have been exploited by botnet operators to infect and co-opt vulnerable devices into a family of denial-of-service bots. The findings come from Chinese security firm Qihoo 360’s Netlab team, who say different attack groups have been using LILIN DVR zero-day vulnerabilities to spread Chalubo, FBot, and Moobot botnets at least since August 30, 2019.

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