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HIGH
Threat Intel
OP-512: Analyzing the Custom Web Shell Framework Targeting Microsoft IIS
Security researchers have identified OP-512, a China-nexus threat cluster targeting Microsoft IIS servers with a bespoke web shell framework for espionage.
Runtime Rebel Intel
4 min read·Jun 5, 2026
HIGH
Threat Intel
Webworm Group Exploits Discord and MS Graph to Target EU Governments
China-linked threat actor Webworm utilizes Discord and Microsoft Graph API for C2 infrastructure in a campaign targeting European government organizations.
Runtime Rebel Intel
4 min read·May 22, 2026