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Malicious package

abuden29npm

abuden29 is a confirmed malicious npm package (MAL-2026-10278) that opens a backdoor for remote access (malicious versions 1.1.7, 1.7.7, 2.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in abuden29 (npm)

MAL-2026-10278
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall abuden29

What this malware does

The tarball ships auto-publish.sh, a script that republishes the same payload under ~100 distinct npm names (ishowfeet1-ishowfeet20, nottuff1-nottuff30, abuden*, imillegal*, ratelimitsucks*, etc/) by rewriting package.json.name and running npm publish --silent in a loop — namespace-spam infrastructure shipped inside the package itself. The package's declared main is sw.js, a browser Service Worker (importScripts('./8cfc2/hgshm.js'), self.addEventListener('install'|'activate'|'fetch'|'message')) that throws immediately if loaded from Node. The shipped assets are a heavily obfuscated Ultraviolet/bare-mux web-proxy frontend with an index.html themed as "Riverbend Tutoring" that hides a popunder redirect to https://abdct.com/ on click/keydown/touchstart. package.json declares no preinstall/install/postinstall/prepare hooks, and require('ishowfeet9') from Node fails before any code runs, so a Node installer experiences no auto-execution. The harm is registry abuse (mass-publication of a misleading name family) and a browser-side proxy/popunder served to whoever later loads these static assets — not installer-side compromise. Routing to human review for namespace-abuse adjudication.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

3 flagged
1.1.71.7.72.0.0

Indicators of compromise (SHA-256)

d3822f49b7ad15dd1d303adecbc4e1109de8e4dee439c10bb8fe449b6977303f
1bea5d30b04399b967b11ec631f4c69261a378c4c2fb07d8dbcae101927596ea
6448cf722938500188400ffbd32144ab9d96f3cc3a45a69210f5907158b368e1
a0580a394ad21d8607ae625e3983de0431b6565f6ccdb8125fa46cded34770f3

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 abuden29 (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging abuden29 across your stack and pipelines.

  2. If you installed it — respond

    abuden29 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 abuden29 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 abuden29 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. abuden29 on npm has been identified as a malicious package (versions 1.1.7, 1.7.7, 2.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-jrx6-6722-x25hIN-MAL-2026-009900IN-MAL-2026-009896IN-MAL-2026-009897

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks abuden29-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

abuden29 (npm) malicious package — MAL-2026-10278 | O3 Security