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Malicious package

akamai-sensorv3npm

akamai-sensorv3 is a confirmed malicious npm package (MAL-2026-12139) that opens a backdoor for remote access (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in akamai-sensorv3 (npm)

MAL-2026-12139
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall akamai-sensorv3

What this malware does

The package advertises itself as an 'akamai generator' but its main API is a covert remote-code-execution loader. Calling the exported sensor() triggers sync-metrics.touch(), which reads a comment in index.js whose body is not ASCII but a long run of Unicode variation-selector codepoints (U+FE00-FE0F, U+E0100-E01EF). An unpack() routine maps those invisible codepoints back to bytes, producing a JavaScript payload that is then executed via new Function('require', batch)(require) — giving the decoded code full require access to child_process, http, fs, os, and path. The decoded payload contacts a hardcoded C2 at http://souichidomain1870.xyz:5000/packageStarter. In parallel, fromCalendar() fetches a hardcoded public Google Calendar ICS feed owned by [email protected], scans DESCRIPTION lines for a URL (plain or base64-encoded), appends /generate, and returns JSON from that endpoint to callers — an attacker-mutable dead-drop for changing the runtime target without republishing the package. The invisible-character source comment, dynamic new Function evaluation, calendar-based endpoint resolution, and akamai-branded cover story together constitute a hidden remote-control implant, not a sensor-generation utility.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

d1cece1e9d08a52387c6bf8eefd462c4b94a8bb810f87632fd3fdb105e9410e2

Detection & response playbook

Backdoor / remote access
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for akamai-sensorv3 (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 akamai-sensorv3 across your stack and pipelines.

  2. If you installed it — respond

    akamai-sensorv3 establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.

  3. Did it already run?

    If akamai-sensorv3 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 akamai-sensorv3 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. akamai-sensorv3 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.

Campaign

IN-MAL-2026-014455

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks akamai-sensorv3-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.

Explore

akamai-sensorv3 (npm) malicious package — MAL-2026-12139 | O3 Security