Developer-targeting campaign using malicious Next.js repositories

A developer-targeting campaign leveraged malicious Next.js repositories to trigger a covert RCE-to-C2 chain through standard build workflows. The activity demonstrates how staged command-and-control can hide inside routine development tasks.
The post Developer-targeting campaign using malicious Next.js repositories appeared first on Microsoft Security Blog.

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Research

February 24

14 min read

Developer-targeting campaign using malicious Next.js repositories

By Microsoft Defender Experts and Microsoft Defender Security Research Team

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[Original source](https://www.microsoft.com/en-us/security/blog/2026/02/24/c2-developer-targeting-campaign/)