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This new malware wants to create backdoors and targets Windows, Linux and macOS


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Researchers uncovered SysJoker when investigating another cyberattack - and warn that it's likely the work of an advanced hacking operation with the aim of espionage.

SysJoker compromises victim devices by masquerading as a system update for Linux and MacOS, while in the Windows version it masquerades as Intel drivers. It's unclear how the phoney driver updates are delivered to victims, but the nature of the updates means that users are likely to follow the instructions to install them.  

Researchers note that the names of the update names like "updateMacOs" and "updateSystem" are relatively generic, which is something that could potentially arouse suspicion. 

Based on analysis of SysJoker, the malware started being actively deployed in attacks in the second half of 2021 and the attackers behind it are paying close attention to campaigns.  

Even during the period of analysis after the malware was initially discovered in December, the command and control domain behind the attacks has changed three times, indicting that those behind the campaign are actively monitoring targets. "

Source with much more:


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