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Malicious NuGet Package Impersonates Sicoob Banking SDK to Steal mTLS Certificates and Financial Credentials

31 May 2026  |  dark6  |  Malware

A malicious NuGet package named "Sicoob.Sdk" impersonated the official Sicoob banking SDK and silently exfiltrated PFX certificates, private keys, and banking credentials from 484 downloads using Sentry telemetry...

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