LWA-2026-13154 confirmed malware

@cecm-web-sdk/core@3.0.0

Malicious code in @cecm-web-sdk/core (npm)

T1195.002 · Compromise Software Supply ChainT1059.007 · JavaScriptT1082 · System Information DiscoveryT1071.001 · Web Protocols

Analysis

This package is a dependency-confusion implant that beacons on install. Its postinstall hook runs beacon.cjs, which POSTs a JSON body to hxxp://185[.]158[.]107[.]175:8787/_ah/dc with an x-beacon-package header; the body carries the package name, os.hostname(), __dirname, process.cwd() and the Node version. index.js fires the same beacon again whenever the module is required, and exports a Proxy returning no-op functions so that importing code does not crash and the callback still happens. The package is a 4-file, ~2.9KB shim whose only function is the install-time callback to the hardcoded IP-literal endpoint.

analyzed by
Leitwacht
first seen
Oct 22, 2026, 09:49 AM
analyzed
Oct 22, 2026, 09:51 AM

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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.