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.
“Once initial
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