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Malicious MAL-2026-17729

@galicia-toolkit-nestjs-20-lite/commons

npm package · versions 999.0.2, 999.0.3, 999.0.1

Reported Oct 9, 2026 · Updated Oct 12, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

@galicia-toolkit-nestjs-20-lite/commons is a dependency confusion package published to npm on 2026-10-09 by the account s4yhii__, targeting the internal @galicia-toolkit-* / @brick-v2 package namespaces with inflated versions (e.g. 999.0.x). Early versions resolve <hostname>.<tag>.dc.oob.s4yhii.com via DNS to beacon the victim's hostname. Later versions run `node index.js` from a preinstall hook, which loads a bundled native addon (prebuilds/<platform>-<arch>/metrics.node, Linux and Windows builds). The addon forks a detached process that collects hostname, username, OS/arch, cwd and the full values of CI/cloud secrets from environment variables (NPM_TOKEN, NODE_AUTH_TOKEN, GITHUB_TOKEN, ACTIONS_RUNTIME_TOKEN, ACTIONS_ID_TOKEN_REQUEST_TOKEN, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN, SYSTEM_ACCESSTOKEN, AZURE_DEVOPS_EXT_PAT and others) and sends them as JSON via HTTP POST /native to oob.s4yhii.com:9999.

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_-= Per source details. Do not edit below this line.=-_

Source: amazon-inspector (9974df3d2695630f5921c98037f0359ed3948cc0afd0c13d4ad5043819950f15)
package.json declares a preinstall hook `node index.js || true`, which require()'s a bundled native addon at prebuilds/<platform>-<arch>/metrics.node. On N-API registration the addon reads AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN, GITHUB_TOKEN, NPM_TOKEN, NODE_AUTH_TOKEN, SYSTEM_ACCESSTOKEN, ACTIONS_RUNTIME_TOKEN, ACTIONS_ID_TOKEN_REQUEST_TOKEN, and AZURE_DEVOPS_EXT_PAT, collects hostname/user/cwd, and POSTs the data as JSON to http://oob.s4yhii.com/native. The payload is concealed inside a compiled.node binary named `metrics` (symbol `do_report`, cover-story env var `_METRICS_PKG`, JSON field `src:native`) with no corresponding C/C++ source shipped; the package otherwise advertises itself as a NestJS commons library, and shipping a native socket-opening module is inconsistent with that purpose. The implausibly high version `999.0.3` on a `@...-lite/commons` scope is consistent with a dependency-confusion lure targeting an internal package name.

Indicators of compromise

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