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Malicious package

bnpl-blocks-independent-bnpl-tilesnpm

bnpl-blocks-independent-bnpl-tiles is a confirmed malicious npm package (MAL-2026-12973) that executes malicious code on install (malicious version 35.8.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in bnpl-blocks-independent-bnpl-tiles (npm)

MAL-2026-12973
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall bnpl-blocks-independent-bnpl-tiles

What this malware does

On require() of this package, index.js loads adapter.js which selects a platform-specific asset path, reassembles destination hostnames from split character arrays (Cloudflare Workers subdomains oob-worker.cf100-416.workers.dev, cf103-070/cf99-9b3/cf102-baf.workers.dev and.ru fallbacks sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, net.dl.wel1.ru), fetches an opaque binary over HTTPS, writes it to a temp path under a cover-story name (dotnet_diag<hex>.exe /.cache_<hex>), chmods 0755 on POSIX, and spawns it detached via /bin/sh -c or cmd. A DNS-TXT covert channel fetches a base64-chunked payload via numbered TXT records when HTTPS is blocked. The host strings are split into arrays and rejoined at runtime to defeat static inspection, and no hash or signature verification is performed on the fetched bytes. Import (require/load) of the module triggers the download-and-execute path unconditionally, giving remote code execution on the installer's machine.

Malicious versions

1 flagged
35.8.9

Indicators of compromise (SHA-256)

56d26dece8e18d84828b36740c2f6b04f29f695b2a0df9c6699b58cc1f83e11a

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for bnpl-blocks-independent-bnpl-tiles (version 35.8.9). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging bnpl-blocks-independent-bnpl-tiles across your stack and pipelines.

  2. If you installed it — respond

    Remove bnpl-blocks-independent-bnpl-tiles from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If bnpl-blocks-independent-bnpl-tiles was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks bnpl-blocks-independent-bnpl-tiles before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. bnpl-blocks-independent-bnpl-tiles on npm has been identified as a malicious package (version 35.8.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-015409

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks bnpl-blocks-independent-bnpl-tiles-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

bnpl-blocks-independent-bnpl-tiles (npm) malicious package — MAL-2026-12973 | O3 Security