What’s notable in regards to the command-and-control server (torbrowserio) is that it is a visible duplicate of the unique Tor Browser web site and its obtain hyperlinks result in the legit Tor Browser portal. The spy ware module additional gives the performance to exfiltrate an inventory of put in software program and operating processes, browser histories, victims’ WeChat and QQ account IDs, along with executing arbitrary shell instructions on the sufferer machine. The weaponized freebl3.dll library achieves this by establishing contact with a distant server that responds again with a second-stage payload containing the spy ware, however solely when the IP tackle of the sufferer originates from China. “Extra importantly, one of many libraries bundled with the malicious Tor Browser is contaminated with spy ware that collects varied private information and sends it to a command-and-control server,” Kaspersky researchers Leonid Bezvershenko and Georgy Kucherin mentioned.

The assault banks on the truth that the precise Tor Browser web site is blocked in China, thus tricking unsuspecting customers looking for “Tor浏览器” (i.e., Tor Browser in Chinese language) on YouTube into probably downloading the rogue variant.Ĭlicking on the hyperlink redirects the person to a 74MB executable that, as soon as put in, is designed to retailer customers’ looking historical past and information entered into web site types.

The channel that hosted the video has 181,000 subscribers and claims to be based mostly in Hong Kong. Google has moved to drag the video from the social media platform for violating YouTube’s Harmful and Dangerous insurance policies.

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