various Power-Shell based reverse shells that collect device and backup information.the cryptominers z0Miner, JavaX miner, Jin and Mimu.two legitimate remote monitoring and management tools – Atera Agent and Splashtop Streamer.Recent attack vectors using Log4Shell to target vulnerable Horizon Servers include: It is embedded in hundreds of software products and became known at the end of 2021.
If attackers exploit this vulnerability, they are given the opportunity to execute any system code of their choice. Log4Shell is a vulnerability in the Log4J Java code library.
The backdoors may come from access brokers. In the detailed report Horde of Miner Bots and Backdoors Leveraged Log4J to Attack VMware Horizon Servers the Sophos researchers describe the tools and techniques for compromising servers, as well as three different backdoors and four cryptominers. This gives them persistent access to VMware Horizon Server for future ransomware attacks. Sophos is today releasing its latest research on the Log4j Log4Shell vulnerability.Īttackers use these to embed backdoors and script unpatched VMware Horizon Servers. SophosLabs researchers discovered three backdoors and four cryptominers targeting unpatched VMware Horizon servers to gain persistent access.
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