VDB
GCVE-110-OSM-2026-9130
GCVE-110-OSM-2026-9130
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution.
ENTRY
scripts/postinstall.js (install-hook: node scripts/postinstall.js)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: https://api.ingress-hub.com/cdn/assets/update.pkg (primary, decoded) in index.js
- custom-c2: api.ingress-hub.com (decoded) in index.js
EXFIL
- System Information Exfiltration in scripts/postinstall.js: "os.homedir(), 'AppData', 'Local', 'Microsoft', 'MSBuild', 'NativeTools'), a: 'Mo..."
- Network Request in index.js: "https.get("
- System Information Collection in index.js: "os.platform()"
- Network Request in scripts/postinstall.js: "https.get("
- System Information Collection in scripts/postinstall.js: "os.platform()"
OBFUSCATION
- Decoded Base64 Content in index.js
- Decoded Base64 Content in scripts/postinstall.js
- recovered 1 urls, 1 domains from decoded/deobfuscated content
ADDITIONAL FINDINGS
- Stealth Background Process Spawning in index.js: "spawn(_P, [], { detached: true, stdio: 'ignore', windowsHide: true, }"
- Shell Command Execution in index.js: "require('child_process')"
- Silent Process Execution in index.js: "stdio: 'ignore'"
- Detached Child Process Payload in index.js: "spawn(_P, [], { detached: true"
- Stream Response to Execution in scripts/postinstall.js: "pipe(file); file.on('finish', () => file.close(cb)); }); req.on('error', (e) => ..."
PAYLOAD FILES
scripts/postinstall.js (+ index.js)
INDICATORS (IOCs)
- payloadFileHash: d02f47d229261cc76602f351fc083334fd53649e39520dc18fec19b59a6538a1
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
9.6/10
Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | win-build-utils | all (affected) | — |
Aliases
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