The threat actor known as Water Saci is actively evolving its tactics, switching to a sophisticated, highly layered infection chain that uses HTML Application (HTA) files and PDFs to propagate a worm that deploys a banking trojan via WhatsApp in attacks targeting users in Brazil.
The latest wave is characterized by the attackers shifting from PowerShell to a Python-based variant that spreads the…

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Source: The Hacker News

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