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Malware

Buer

aka Buerloader · RustyBuer

Buer is a downloader sold on underground forums and used by threat actors to deliver payload malware onto target machines.

Buer, also known as Buerloader, RustyBuer, is a Windows malware family.

Background

Buer is a downloader marketed on underground forums that operators use to drop follow-on payloads onto compromised systems. It has been spotted in email-based campaigns and has been offered as a service since August 2019.

Source: Malpedia (Fraunhofer FKIE).