Threats Tagged 'cross-platform stealer'
View all threats tagged with 'cross-platform stealer'. Filter and sort to focus on specific types of threats.
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Threats Tagged 'cross-platform stealer'
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More than 140 Mastra npm packages were compromised through a supply chain attack that injected a typosquatted dependency called easy-day-js. A single npm account published malicious versions within a short timeframe, affecting packages including @mastra/core with over 918K weekly downloads. The attack executes during npm install via a postinstall hook, deploying a two-stage payload. The first stage disables TLS validation and downloads a second-stage implant that installs cross-platform persistence on Windows, macOS, and Linux. This implant functions as a command-and-control client that steals cryptocurrency wallet inventories from 166+ browser extensions, harvests browser history, and can execute arbitrary code sent by operators. The malicious code executes before developers import packages, compromising systems during installation. Join the discussion | AlienVault OTX General | 06/17/2026, 13:38:33 UTC Added: 06/17/2026, 20:20:40 UTC |
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