GCVE-110-OSM-2026-5815

Malicious package detected. Behaviors: data exfiltration, code execution, obfuscated code, install-time execution. Entrypoint: lib/utils/index.js (install-hook: node lib/utils/index.js) Exfil: http://proxy.host:3128/ (custom-c2, recovery: plaintext in lib/smtp-connection/http-proxy-client.js) Payload: lib/smtp-connection/index.js Secondary files: lib/shared/index.js Key findings: - Data Encoding for Exfiltration in lib/fetch/index.js: "Buffer.from(parsed.auth).toString('base64')" - Data Encoding for Exfiltration in lib/mime-funcs/index.js: "EncodeURIComponent(chr" - Suspicious TLD Domain in lib/nodemailer.js: "https://ethereal.email" - Shell Command Execution in lib/sendmail-transport/index.js: "child_process').spawn" - Dynamic Base64 Decoding in lib/shared/index.js: "Buffer.from(data, 'base64')" IOCs: - urls: https://Ethereal.email, https://nodemailer.com/smtp/oauth2/, https://nodemailer.com/message/calendar-events/, https://nodemailer.com/, http://nodemailer.com/2-0-0-beta/templating/ (+11 more) - domains: nodemailer.com, Nodemailer.com, litmus.com, chalk-pro.com, data.group (+35 more) - emails: andris@kreata.ee, info@nodemailer.com, test@googlemail.com - sha256Hashes: 1c7631aca0c00365e8a7e68dd11045e1d4475c909885d8dccd881f4dce9d0566 - payloadFileHash: 958e7143edb3522c0b1ed6bc3f71154d0c29ddc9ba2802d52ffec9c1ae0d88da