GCVE-110-OSM-2026-9997

This package steals WhatsApp tokens while impersonating the real Bailey's WhatsApp library. Behaviors: data exfiltration, code execution, obfuscated code, install-time execution. ENTRY engine-requirements.js (install-hook: node ./engine-requirements.js) - Install Hook Executes Local JS File in package.json PERSISTENCE - Startup Persistence in lib/Socket/messages-send.js: ".profile" - Startup Persistence in lib/Store/make-in-memory-store.js: ".profile" DESTINATION - 8 exfil (custom-c2) - 2 fetched-payload (deobfuscated) (values recorded in verified_iocs) EXFIL - Data Encoding for Exfiltration in lib/Socket/socket.js: "Buffer.from(creds.noiseKey.public).toString('base64')" - Data Encoding for Exfiltration in lib/Utils/chat-utils.js: "Buffer.from(indexMac).toString('base64')" - Data Encoding for Exfiltration in lib/Utils/messages-media.js: "Buffer.from(media.fileSha256).toString('base64')" - Data Encoding for Exfiltration in lib/Utils/process-message.js: "Buffer.from(keyId.keyId).toString('base64')" - Network Request in lib/Utils/messages-media.js: "axios.get(" - System Information Collection in lib/index.js: "process.platform" OBFUSCATION - IOCs Found in Deobfuscated Code in lib/Socket/messages-send.js - Dynamic Base64 Decoding in lib/Signal/Group/group_cipher.js: "Buffer.from(iv, 'base64')" - Dynamic Base64 Decoding in lib/Signal/Group/sender-key-state.js: "Buffer.from(chainKey, 'base64')" - Dynamic Base64 Decoding in lib/Utils/chat-utils.js: "Buffer.from(keyId, 'base64')" - Dynamic Base64 Decoding in lib/Utils/generics.js: "Buffer.from(val, 'base64')" - Dynamic Base64 Decoding in lib/Utils/validate-connection.js: "Buffer.from(advSecretKey, 'base64')" - String Array Obfuscation in lib/Socket/messages-send.js: "["break", "case", "catch", "continue", "debugger", "delete", "do", "else", "fina..." - Unicode Escape Obfuscation in lib/Socket/messages-send.js: "\u004E\u0049\u0058\u0045\u004C" (+7 more) ADDITIONAL FINDINGS - Platform Detection with Data Collection in lib/Socket/messages-recv.js: "JSON.stringify({ ...child, content: Buffer.isBuffer(child.content) ? child.conte..." - Silent Process Execution in lib/Socket/messages-send.js: "{ silent: true" - Shell Command Execution in lib/Utils/messages-media.js: "require("child_process")" - Brand New Package - Very New NPM Publisher Account - Rapid Version Publishing PAYLOAD FILES lib/Socket/messages-send.js (+ lib/Utils/messages-media.js)