LWA-2026-11608 confirmed malware

ecobee-api@0.0.2

Malicious code in ecobee-api (npm)

T1059.007 · JavaScriptT1082 · System Information DiscoveryT1071.001 · Web ProtocolsT1041 · Exfiltration Over C2 Channel

Analysis

The postinstall hook of ecobee-api@0.0.2 runs a bundled beacon.js that performs an HTTP GET to hxxp://169[.]58[.]96[.]170:9001/cb?h=<hostname>&p=ecobee-api, transmitting the machine's hostname and the package name to a hardcoded remote IP on install. The package contains no other functionality.

analyzed by
Leitwacht
first seen
Aug 24, 2026, 08:36 PM
analyzed
Aug 24, 2026, 08:36 PM

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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.