GCVE-110-OSM-2026-14683

Malicious package detected. 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/chats.js: ".profile" - Startup Persistence in lib/Socket/messages-send.js: ".profile" - Startup Persistence in lib/Socket/privacy.js: ".PROFILE" - Startup Persistence in lib/Store/make-in-memory-store.js: ".profile" - Startup Persistence in lib/Utils/identity-chameleon.js: ".profile" - Startup Persistence in lib/Utils/messages-media.js: ".profile" - Startup Persistence in lib/WAUSync/Protocols/USyncBusinessProtocol.js: ".profile" - Startup Persistence in lib/antiban.cjs: ".profile" DESTINATION - 7 exfil (reconstructed, custom-c2, telegram-bot) - 1 fetched-payload (deobfuscated) (values recorded in verified_iocs) EXFIL - Data Encoding for Exfiltration in lib/Socket/ban-checker.js: "encodeURIComponent(num)}&type=phone_number&app_absent=0" - 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/generics.js: "Buffer.from(value?.data || value).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/generics.js: "fetch('https:" - Network Request in lib/Utils/messages-media.js: "request({ hostname: parsedUrl.hostname, port: parsedUrl.port || (parsedUrl.proto..." OBFUSCATION - IOCs Found in Deobfuscated Code in lib/Utils/decode-wa-message.js - Dynamic Base64 Decoding in lib/Socket/interactive-handler.js: "Buffer.from(jpegThumbnail, 'base64')" - Dynamic Base64 Decoding in lib/Utils/chat-utils.js: "Buffer.from(keyId, 'base64')" - Dynamic Base64 Decoding in lib/Utils/decode-wa-message.js: "Buffer.from(secret, 'base64')" - Dynamic Base64 Decoding in lib/Utils/validate-connection.js: "Buffer.from(advSecretKey, 'base64')" - String Array Obfuscation in lib/Utils/message-composer.js: "[ 'import', 'export', 'from', 'default', 'as', 'const', 'let', 'var', 'function'..." - String Array Obfuscation in lib/WABinary/constants.js: "[ '1724', 'profile_picture', '1071', '1314', '1605', '407', '990', '1710', '746'..." - Strings Extracted from Deobfuscated Code in lib/Socket/interactive-handler.js (+4 more) ADDITIONAL FINDINGS - Dynamic Code Execution in lib/Utils/message-composer.js: "exec(line)" - Suspicious URL Pattern in Template Literal in lib/antiban.cjs: "https://api.telegram.org/bot${...}/sendMessage" PAYLOAD FILES lib/Utils/messages-media.js (+ lib/Utils/decode-wa-message.js, lib/Utils/generics.js)