MAL-2026-13168

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## Source: amazon-inspector (c202a6c0c4fddf77f53b3fc786c34627b47992e1f789701121793399dce47ebd) On require of dolyame-ui-mixins, index.js loads./_ext, which selects a platform-specific asset path (linux_x64, linux_arm64, darwin, win32) and downloads an opaque native binary over HTTPS from one of three Cloudflare workers.dev hosts whose names are reconstructed by array-join to evade static inspection (e.g. ["oob-worker.cf103","-070.wo","rkers.d","ev"].join("") yielding oob-worker.cf103-070.workers.dev, plus oob-worker.cf100-416.workers.dev and oob-worker.cf102-baf.workers.dev). A DNS TXT covert-channel fallback resolves base64 chunks from sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The fetched bytes are written to /tmp (or the Windows TEMP directory) under disguised filenames of the form.cache_<hex> or dotnet_diag_<hex>.exe, chmod'd 0755 via fs["chmod"+"Sync"], and spawned detached through /bin/sh -c or cmd.exe with.unref(). There is no version pin, no hash or signature verification, and no relationship between the fetched binary and the package's stated purpose of providing UI mixins. A second, parallel dropper is shipped in lib/telemetry.js under an 'Analytics SDK' cover story, using require("child_"+"process"), base64 DNS-chunk assembly, chmod 0755, and /bin/sh -c spawn against the same infrastructure pattern.