Malicious npm Packages Inject SSH Backdoors via Typosquatted...
Blog post from Socket
A threat actor known as "sanchezjosephine180" has published six malicious npm packages that exploit typosquatting to mimic popular libraries and inject SSH backdoors, compromising Linux systems by granting unauthorized SSH access. These packages, designed to exploit common typing errors, use the `postinstall` script to execute malicious code while installing legitimate packages, making detection difficult. The backdoors expose sensitive information like usernames and IP addresses, allowing attackers to infiltrate networks undetected, posing significant risks to both individual developers and organizations. The discovery underscores vulnerabilities in software supply chains and highlights the need for stronger security practices, such as utilizing tools like Socket's GitHub app and CLI, which detect and prevent threats in real-time by scanning dependencies and alerting developers to potentially malicious packages.
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