A new spear-phishing campaign targeting Brazil has been found delivering a banking malware called Astaroth (aka Guildma) by using obfuscated JavaScript to slip past security defenses. The campaign's impact has targeted various industries, with manufacturing companies, retail firms, and government agencies being the most affected. Malicious emails often impersonate official tax documents, using the urgency of personal income tax filings to trick users into downloading the malware.
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