Malicious code in kmf-vendor-pack (npm)

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c6e1c289f2890e0e06ab31a8d6cf5dbc8deabc26054cb44a0c60295c29a74506) [email protected] is a dependency-confusion lure. package.json declares `postinstall: node postinstall.js`, which require()s a shipped prebuilt Linux x64 N-API addon at prebuilds/linux-x64/addon.node. The addon's napi_register_module_v1 Init routine calls fork(), opens a socket, connects to the hardcoded bare IP 64.181.165.115, and sends `POST /dc HTTP/1.0` with body `h=<HOSTNAME>&p=<npm_package_name>&u=<user>&r=<npm_config_registry>`, leaking the installing host's name, the resolved package name, and the configured npm registry URL to attacker infrastructure over plain TCP. The native binary ships with no accompanying C/C++ sources, no binding.gyp, and no legitimate functionality matching the stated `Frontend utilities` purpose; the JS entry point is an empty `module.exports = {}`. The version number 100.100.100 is implausibly high and consistent with resolution-winning against an internal package of the same name. Installing this package causes immediate outbound disclosure of install-environment and internal-registry metadata to the attacker. ## Source: ossf-package-analysis (90252f22765869df637f77df2754cd36724812550151c9c7c53926bc83daad2e) The OpenSSF Package Analysis project identified 'kmf-vendor-pack' @ 99.0.0 (npm) as malicious. It is considered malicious because: - The package communicates with a domain associated with malicious activity.

Source published

9 Oct 2026 15:49:57 UTC

Source modified

12 Oct 2026 06:00:06 UTC

Observed here

24 Oct 2026 13:17:17 UTC

Source terms

OSV · upstream source license applies

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