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Vishing Attack Uses Microsoft Teams and QuickAssist to Spread .NET Malware

First seen 9 Dec 2025, 15:55 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A new vishing attack has been identified that exploits Microsoft Teams and QuickAssist to deploy .NET malware. This attack targets users through social engineering tactics, potentially affecting organizations that utilize these platforms. The malware is designed to compromise systems and steal sensitive information.

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