AMSI-bypass
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Microsoft Warns of WhatsApp Campaign Delivering Malicious VBS Files
Microsoft says a campaign that began in late February 2026 has used WhatsApp messages to spread malicious VBS files, then used renamed Windows tools and cloud services to help install persistent access on infected systems.
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Malicious NPM package hides Pulsar RAT inside PNG images using steganography and obfuscated dropper
A malicious NPM package ‘buildrunner-dev’ downloads an obfuscated batch loader and hides encrypted payloads inside PNG images. Extraction recovered a .NET loader and a Pulsar RAT embedded via steganography.
