MAL-2026-10186

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## Source: amazon-inspector (e34339f1be6afb8a41b6dbe2f7d7c480d5a438a67ff119b235d1d98ffa2b2e4a) google-caja-bower@1000.801.20 declares scripts.preinstall = 'node index.js', so index.js runs automatically on npm install. index.js walks the installer's current working directory, builds a directory tree, enumerates up to 500 files (skipping only common binary/media extensions) up to 8MB each, and POSTs the tree plus each file's bytes as multipart uploads to two hardcoded Discord webhook URLs under discord.com/api/webhooks/. The payload also collects os.hostname(), process.env.USER / process.env.USERNAME, os.platform(), and process.cwd() and includes them in the webhook messages. Because the file filter excludes only binary/media types, credential-bearing text files present in the working tree (.env,.npmrc, ssh configs, cloud credentials, source code) are uploaded verbatim. The package name impersonates the Google Caja / Bower namespace and its own package description self-labels the behavior as 'collect and send system information to a remote endpoint'; the webhook message body identifies the campaign as 'Dependency Confusion Crawler'.