North Korean supply-chain attack: developers unwittingly spread malware

Blog  — Fri 16 Aug 2024

This month, a remarkable campaign was discovered in which North Korean threat actors used malicious npm packages, including 'qq-console' and 'helmet-validate'. These packages were part of a larger operation, known as the "Contagious Interview" campaign, and were aimed at software developers worldwide.

This type of supply chain attack poses a growing threat to companies that rely on open-source software. In this case, the packages were designed to subtly inject malware into software projects, which could have a massive impact on the infrastructure of organizations.

What makes this attack so dangerous? Key points to consider include:

1. Advanced obfuscation: The techniques used concealed the malicious code in a way that could bypass traditional security solutions. As a result, the packages remained undetected in many projects for a long time.

2. Seemingly legitimate functionality: These npm packages appeared legitimate, which meant developers were not immediately aware of the danger. This highlights the importance of not only reviewing the source code itself but also verifying the origins of open-source components.

3. Impact on software developers: Developers often rely on npm for managing software dependencies. This attack demonstrates that threat actors are actively targeting companies' development tools to gain long-term access to sensitive business data.

The consequences of a successful supply chain attack are immense. Compromised software can be deployed on thousands of systems without anyone realizing it. This leads to a potential disaster for the security of organizations.

What can companies do to protect themselves?

1. Perform regular code audits: It is essential to regularly audit the open-source libraries and packages used to ensure they are free from vulnerabilities.

2. Don’t blindly trust open-source: Open-source software is incredibly valuable, but always be critical. Make sure all components come from trustworthy sources and have been recently reviewed for security issues.

3. Use tools for supply chain security: There are tools on the market specifically designed to secure the supply chain, such as Sonatype or Snyk. These tools can help identify vulnerabilities and malicious components in software dependencies.

The threat of supply chain attacks is expected to continue growing. Organizations need to be aware of this and take steps to better protect their development and production environments from these advanced threat actors.