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Malicious package

exszpe3szsnpm

Malicious code in exszpe3szs (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-2444
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall exszpe3szs

What this malware does

The package exszpe3szs was found to contain malicious code.

The OpenSSF Package Analysis project identified 'exszpe3szs' @ 1.0.0 (npm) as malicious.

It is considered malicious because:

  • The package executes one or more commands associated with malicious behavior.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

3bc14fbd9fa6d961f6b0e4e4b389e7aaefd494b9893d2e544178b2dc5f5e62f1
67f15551a64777edf23687b4e056220380ac9501b76e432e33f9d93f5aecf2d3

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 exszpe3szs (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging exszpe3szs across your stack and pipelines.

  2. If you installed it — respond

    Remove exszpe3szs 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 exszpe3szs 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 exszpe3szs 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. exszpe3szs on npm has been identified as a malicious package (version 1.0.0 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 exszpe3szs-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.

exszpe3szs (npm) malicious package — MAL-2026-2444 | O3 Security