Malicious code in AzureCdnInfo.edrtester (VSCode)

The Visual Studio Code Marketplace extension AzureCdnInfo.edrtester version 1.0.4 presents as an EDR/telemetry test utility but is a beaconing backdoor. On activation, extension.js loads edrdrill.js, which performs host reconnaissance — hostname, current working directory and local IP — and...

MAL-2026-16010 Malicious code in AzureCdnInfo.edrtester (VSCode)

The Visual Studio Code Marketplace extension AzureCdnInfo.edrtester version 1.0.4 presents as an EDR/telemetry test utility but is a beaconing backdoor. On activation, extension.js loads edrdrill.js, which performs host reconnaissance — hostname, current working directory and local IP — and...