Visual Studio Code malware, Sinkholes reversal, Chinese pen-testing & FortiSIEM zero-day / Intel Chat [#286]

In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.

• North Korean threat actors are targeting macOS software developers in a new malware campaign that abuses Visual Studio Code (VS Code) confi gurations to deliver JavaScript-based backdoors, according to research from Jamf.
• Sinkholes are usually seen as the end of a malicious campaign - the point where domains are seized and abuse stops.
• China’s pen-testing and red-team ecosystem has always been hard to observe, especially since many teams stopped participating in international CTFs post-2018.
• A critical zero-day vulnerability, CVE-2025-64155, has been discovered in Fortinet’s FortiSIEM platform by Horizon3.ai, allowing unauthenticated remote code execution and privilege escalation to root.

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