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Malicious package

ishowfeet3npm

ishowfeet3 is a confirmed malicious npm package (MAL-2026-10324) 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 ishowfeet3 (npm)

MAL-2026-10324
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall ishowfeet3

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)

39db734355f9f5e2dd91157243bd137d62b889bd0e717e969037cbc44323bc14
bc732922556c087a288d536adf6ef6bf7d643946239cd9563e0a9bc9b6960205
bee8ac276a3bbb5a720c88af9e4ecb682cea3bfe86579383ffee0ffc263b0cc0
e010a7e545f79cefc8d13ba768a5ba29a20a6b3e59a0dd1ab13b9844cee8d73c

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 ishowfeet3 (3 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging ishowfeet3 across your stack and pipelines.

  2. If you installed it — respond

    ishowfeet3 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 ishowfeet3 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 ishowfeet3 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. ishowfeet3 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-72w9-j247-mr28IN-MAL-2026-010021IN-MAL-2026-010022IN-MAL-2026-010023

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks ishowfeet3-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

ishowfeet3 (npm) malicious package — MAL-2026-10324 | O3 Security