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Cybercriminals Team Up to Upgrade ‘SapphireStealer’ Malware

August 31, 2023


Cybercriminals are mining the capabilities of an open source infostealer called “SapphireStealer,” developing a legion of variants that are helping to democratize the cybercrime landscape when it comes to carrying out data-theft attacks.

Ever since a Russian-language hacker named Roman Maslov first published it onto the public Web late last year, hackers have been adopting SapphireStealer, tinkering with it, and releasing new versions into public repositories. It has created a reinforcing feedback loop where the malware keeps getting stronger, and more attackers are being drawn to it, potentially leading to more dangerous consequences downstream.

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