A suspected China-linked espionage cluster dubbed OP-512 after rapidly correlating many low-fidelity events into a single high-priority incident that human analysts then validated. OP-512 compromised an Internet Information Services (IIS) server and deployed a custom web shell framework built to evade signature-based detection. Each web shell instance is cryptographically unique, restricts access with layered encryption, […]

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Mayura Kathir

Source: gbHackers
Source Link: https://gbhackers.com/op-512-targets-iis-servers/