The codexui-android compromise represents a calculated evolution in supply chain attacks, embedding malicious exfiltration only after establishing legitimacy through weeks of organic downloads and GitHub activity. Unlike typo-squatting campaigns, this approach leverages real development momentum to reach over 29,000 weekly users while simultaneously deploying the same payload through Android apps using PRoot sandboxes to isolate and extract Codex auth.json files. The stolen refresh tokens enable indefinite impersonation, granting attackers silent access to any Codex-linked operations including API calls and account management, far beyond typical credential theft. This pattern echoes earlier npm incidents such as the 2018 event-stream attack documented by Snyk but targets the high-value data flows of generative AI tools where prompts and outputs may contain proprietary or classified information. OpenAI's own documentation warns against plaintext storage of these tokens yet the ecosystem's reliance on third-party UIs and mobile wrappers creates unavoidable exposure points. The involvement of multiple apps from a single developer entity, BrutalStrike, suggests coordinated infrastructure rather than opportunistic compromise, raising questions about potential state or commercial intelligence collection aimed at AI research pipelines. Defense and intelligence communities adopting Codex or similar tools for rapid prototyping now face indirect persistence risks through dependency chains that traditional SBOM processes struggle to monitor in real time. The attacker's use of a Sentry-mimicking domain further illustrates how monitoring infrastructure itself can be weaponized for covert data transfer.