Malicious code in @listings/energy-labels (npm)
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The package declares "preinstall": "node index.js || true" in package.json, so on every npm install the script executes automatically and silently swallows errors. index.js collects host identity (os.hostname(), os.userInfo().username, __dirname, process.cwd(), package label), hex-encodes the JSON payload as a DNS subdomain of d8jbmnsqcfu78dfs8vdg34ohqhirb4pbg.oast.live (an out-of-band interaction service used for exfiltration), and additionally POSTs the same payload over plain HTTP to a hardcoded bare IP http://172.201.213.59:9090/c. There is no TLS, no authentication, no documented purpose, and the bare-IP plus OOB DNS pattern is consistent with dependency-confusion / supply-chain reconnaissance infrastructure. Installer machines are fingerprinted and reported to the attacker on install with no user consent.
The OpenSSF Package Analysis project identified '@listings/energy-labels' @ 99.0.1 (npm) as malicious.
It is considered malicious because:
왜 이 VPI인가 (설명가능 · 실험적)
VPI 산정 기준
| 영향도(기본값(정보 없음)) | 55.00 |
| 악용 신호(추가 악용신호 없음) | ×1.00 |
| VPI | 55.00 |
VPI 공식 vpi-v1 기준