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Malicious package

greet-testnpm

Advisory published Updated

greet-test is a confirmed malicious npm package (MAL-2025-49225) that executes malicious code on install (malicious versions 0.0.1-security, 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in greet-test (npm)

MAL-2025-49225
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall greet-test

What this malware does

The package greet-test was found to contain malicious code.

Malicious versions

2 flagged
0.0.1-security1.0.0

Indicators of compromise (SHA-256)

b30f8cd06e021bf526fe03bcd0e36719d5cb4afcb10a57f58d28b5ba6f8ff3db

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for greet-test (2 malicious versions).

  2. If you installed it — respond

    Remove greet-test 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 greet-test 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. greet-test on npm has been identified as a malicious package (versions 0.0.1-security, 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks greet-test-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

greet-test (npm) malicious package — MAL-2025-49225 | O3 Security