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Threat Intelligence Report

StubMaker RubyGems Campaign Delivers a Windows Infostealer

๐Ÿ“… August 17, 2026 ๐Ÿ“ฐ opensourcemalware.com ๐Ÿ” 0 CVE(s) referenced

A wave of typosquatted RubyGems packages delivered a stealthy, multi-stage Windows infostealer that evades traditional detection by embedding all payloads internally, enabling rapid theft of browser credentials, cryptocurrency wallets, and sensitive data during installation without any further downloads.

unclassified

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๐Ÿ“Š Visual Mindmap
๐ŸŽฏ IOC Extraction
โš”๏ธ MITRE ATT&CK TTPs
๐Ÿ“ฆ STIX 2.1 Bundle