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Malicious package

@indriver-poc/whisperwindnpm

Advisory published Updated

@indriver-poc/whisperwind is a confirmed malicious npm package (MAL-2026-2851) that executes malicious code on install (malicious version 0.9.5). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @indriver-poc/whisperwind (npm)

MAL-2026-2851
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @indriver-poc/whisperwind

What this malware does

The package @indriver-poc/whisperwind was found to contain malicious code.

The OpenSSF Package Analysis project identified '@indriver-poc/whisperwind' @ 0.9.5 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged
0.9.5

Indicators of compromise (SHA-256)

904b1f6ef1ac1b7f0087f9da1e1fd121bfcb983caedad382c4b48adfd2b3dec7
7543a4315d192afe241577899d5777567678b591c400103ba3da0dc46f1b1d55

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for @indriver-poc/whisperwind (version 0.9.5).

  2. If you installed it — respond

    Remove @indriver-poc/whisperwind 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 @indriver-poc/whisperwind was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. @indriver-poc/whisperwind on npm has been identified as a malicious package (version 0.9.5 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Amazon Inspector · finder
  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks @indriver-poc/whisperwind-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

@indriver-poc/whisperwind (npm) malicious package — MAL-2026-2851 | O3 Security