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LuckyMouse signs malicious NDISProxy driver with certificate of Chinese IT company

September 10, 2018

Since March 2018 we have discovered several infections where a previously unknown Trojan was injected into the lsass.exe system process memory. These implants were injected by the digitally signed 32- and 64-bit network filtering driver NDISProxy. Interestingly, this driver is signed with a digital certificate that belongs to Chinese company LeagSoft, a developer of information security software based in Shenzhen, Guangdong. We informed the company about the issue via CN-CERT.

The campaign described in this report was active immediately prior to Central Asian high-level meeting and we suppose that actor behind still follows regional political agenda.

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