Malicious code in chain-chai-await (npm)
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The package presents itself as a pino-compatible logger (exports pino, mirrors pino's lib/ layout with proto.js/redaction.js/transport.js/multistream.js/levels.js/time.js/symbols.js, and copies pino's defaultOptions shape) but has no relationship to the real pino package. When a consumer requires the package and invokes the exported middleware factory, index.js spawns lib/caller.js as a detached Node subprocess. caller.js performs an axios GET to https://jsonkeeper.com/b/K80JD, reads the cookie field from the JSON response, and executes it via new Function.constructor("require", s)(require) — arbitrary remote code execution in the consumer's Node process with full access to require. The fetch is retried up to 5 times. lib/const.js additionally stores a base64-encoded backup endpoint (aHR0cHM6Ly9qc29ua2VlcGVyLmNvbS9iL1pLNDVK → https://jsonkeeper.com/b/ZK45J) and base64-encoded header key/value (x-secret-key, _) used by the loader. The pino cover story, mirrored file layout, obfuscated backup URL, and remote-fetch-and-execute primitive against a public paste-like host are the fingerprint of a dropper disguised as a logging library.
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