MAL-2026-12844

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## Source: amazon-inspector (d39f8f76c66cd667590e9159602b8c4ce9172a84fdf859f0b11fb862efb068b2) On require('bigops-timeline'), index.js loads _helpers.js which runs immediately: it selects a platform-specific payload path, downloads a binary from a rotating list of Cloudflare Workers mirrors (oob-worker.cf99-9b3.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf103-070.workers.dev), with a DNS TXT chunked base64 fallback under sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru, writes the fetched bytes to /var/tmp or %TEMP% under disguised names (e.g., dotnet_diag_*.exe,.cache_*), chmods 0755, and spawns the file detached via /bin/sh -c or cmd.exe start /b. Destination hosts are assembled from split string fragments (e.g., ['oob-worker.cf99-9b3.workers.de','v'].join('')) to defeat static scanners, and no hash or signature verification is performed on the downloaded payload. The purpose-agnostic name and the anonymous, rotating, obfuscated infrastructure identify this as a dropper rather than a legitimate native-binary loader.

## Source: ghsa-malware (aaf70b317c204b0469ea22034693c7cd1a3cdbe79725ec5697dccb3f0960363e) 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.