Shiba is a newly emerged threat group focused on software supply chain attacks, primarily targeting developer platforms. They exploit naming loopholes in the Visual Studio Code Marketplace to distribute malicious extensions, facilitating financial extortion through ransomware. Their operations began in late 2024 and have continued into mid-2025, showcasing sophisticated tactics to mislead developers.
Key insights
•The group achieves initial access by publishing malicious extensions on the Visual Studio Code Marketplace.
•Shiba utilizes downloader extensions that execute custom commands to retrieve additional payloads via PowerShell.
•Their ransomware variant targets specific user directories, encrypting files and demanding cryptocurrency payments.
•Shiba specifically targets software developers and technical users who rely on public code repositories.