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A threat actor associated with the LockBit 3.0 ransomware-as-a-service (RaaS) operation has been observed abusing the Windows Defender command-line tool to decrypt and load Cobalt Strike payloads.  According to a report published by SentinelOne last week, the incident occurred after obtaining initial access via the Log4Shell vulnerability against an unpatched VMware Horizon Server

More from The Hacker News 2 Aug 2022, 8:07 p.m. Cobalt Strike Incident Initial Access LockBit Log4Shell Microsoft Ransomware Report Threat Actor Virtualisation VMware Vulnerability
Trend Micro Research, News and Perspectives 4 years ago

Log4Shell Vulnerability in VMware Leads to Data Exfiltration and Ransomware

We analyzed cases of a Log4Shell vulnerability being exploited in certain versions of the software VMware Horizon. Many of these attacks resulted in data being exfiltrated from the infected systems. However, we also found that some of the victims were infected with ransomware days after the data exfiltration.

More from Trend Micro Research, News and Perspectives 28 Jun 2022, 12:00 p.m. Data Exfiltration Infection Log4Shell Ransomware Victims Virtualisation VMware Vulnerability