GCVE-110-OSM-2026-7505

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, network activity, install-time execution. ENTRY callback.js (install-hook: node callback.js || true) - Install Hook Executes Local JS File in package.json DESTINATION - custom-c2: pbnuwvwzmktaetcsjyyjlhncsf843r5a5.oast.fun (primary, plaintext) in callback.js EXFIL - OAST/Interactsh Exfiltration in callback.js: ".oast.fun" - System Information Exfiltration in callback.js: "os.hostname(), username: os.userInfo().username, platform: platform, cwd: proces..." - HTTP Data Exfiltration in callback.js: "process.cwd(), timestamp: new Date().toISOString(), note: 'Security research - d..." - Network Request in callback.js: "https.request(" - System Information Collection in callback.js: "os.userInfo()" - DNS Lookup in callback.js: "dns.resolve(" - Suspicious Domain in callback.js: "oast.fun" ADDITIONAL FINDINGS - Platform Detection with Data Collection in callback.js: "JSON.stringify({ pkg: PKG_NAME, hostname: os.hostname(), username: os.userInfo()..." PAYLOAD FILES callback.js INDICATORS (IOCs) - urls: https://hackerone.com/tiktok - domains: hackerone.com - emails: ssekarizka21@hackerone.com - payloadFileHash: c5b39d3f2585bbb4df686867d46e661d0a4a11f11058e5fe27ca5d5cfc8844d8