A previously disclosed China-linked threat cluster, tracked as OP-512, has been observed deploying a purpose-built web shell framework to compromise Internet Information Services (IIS) servers. Identified by ReliaQuest, the espionage operation targeted a Windows Server 2016 environment running an end-of-life .NET Framework 4.0. Telemetry revealed the threat actors established access 75 days prior to the […] The post China-Linked Espionage Cluster Deploys Custom ASPX/ASHX Shells on IIS appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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