MAL-2026-12302

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Source: amazon-inspector (d73622aa5b1b1b3f39f914022e80a8429b948186033c2e98d5f5610e93129612)

On require of the package, index.js loads compat.js which fetches a platform-specific binary from hostnames assembled by array-join to hide them from static scanners (oob-worker.cf102-baf.workers.dev, cf100-416.workers.dev, cf103-070.workers.dev, cf99-9b3.workers.dev), with a DNS TXT base64 chunked fallback via *.dl.well1.site resolvers. The fetched bytes are written to /var/tmp or %TEMP% under a disguised name (.cache on Unix, dotnet_diag_.exe on Windows), chmodded to 0755, and spawned detached via /bin/sh -c " &" or cmd.exe /c start. No hash or signature verification is performed on the downloaded binary. A parallel dropper implementation in lib/telemetry.js uses the same pattern (child_process required via string concatenation, chmodSync accessed via computed property name, base64-decoded payload buffer, detached shell spawn). The package declares no legitimate purpose that would justify fetching and executing an unsigned remote binary at import time.

Source: ghsa-malware (f7ce2316ceb9e119ce12efcbe38168998ff3de79053c93657f1090ed588f7f50)

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.