New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom W… | HappeningNow.news

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New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework

Researchers have identified a new threat cluster, OP-512, which targets Microsoft IIS servers.

Source The Hacker News AI Summary Updated June 5, 2026
Story intelligence Beta
Freshness Stale Updated June 5, 2026
Confidence Limited Single-outlet story
Coverage Single outlet
Views 9 Community interest
Read time 1 min ~64 words

AI Summary

Researchers have identified a new threat cluster, OP-512, which targets Microsoft IIS servers. This cluster deploys a custom web shell framework, indicating a focus on espionage. The framework is designed to be used on compromised servers, allowing attackers to maintain control and gather sensitive information. The connection to China is based on ReliaQuest's assessment with moderate to high confidence, suggesting a potential state-sponsored operation.

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