Which versions of simple-date-formatter-util-14 are malicious?

The following npm versions of simple-date-formatter-util-14 are flagged malicious: 1.0.0. Treat any of these as compromised.

How do I remediate simple-date-formatter-util-14 if I installed it?

Remove simple-date-formatter-util-14 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.

I already installed simple-date-formatter-util-14 — how do I know if it already compromised me?

If simple-date-formatter-util-14 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.

Is simple-date-formatter-util-14 part of a known attack campaign?

Yes — simple-date-formatter-util-14 is associated with the IN-MAL-2026-014427 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find simple-date-formatter-util-14 across my projects, lockfiles, and CI pipelines?

Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for simple-date-formatter-util-14 (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 simple-date-formatter-util-14 across your stack and pipelines.

Malicious package

simple-date-formatter-util-14npm

simple-date-formatter-util-14 is a confirmed malicious npm package (MAL-2026-12203) that executes malicious code on install (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in simple-date-formatter-util-14 (npm)

MAL-2026-12203

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall simple-date-formatter-util-14

What this malware does

package.json declares a postinstall lifecycle script that runs a shell pipeline enumerating /home/work directory contents, probing the internal Kubernetes API server, and reading /proc namespace/mount/capability info, then POSTs the collected output to http://safjhdvsfwzhieemkdzbgr54r0yjhrmok.oast.fun/escinfo3 (an interact.sh OAST collector). The tarball also ships postinstall.js, which enumerates the installer's ~/.ssh directory via os.homedir() and POSTs the file listing plus user/platform info to a hardcoded bare-IP endpoint https://124.221.154.135/post. Neither behavior is related to the package's stated date-formatting purpose, and both fire on npm install.

Malicious versions

1 flagged

1.0.0

Indicators of compromise (SHA-256)

043fc72acaebb0b8e96a80ee338611c81567284213ea047911a851d3f00dcc46

Detection & response playbook

Malicious package

Find it
Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for simple-date-formatter-util-14 (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 simple-date-formatter-util-14 across your stack and pipelines.
If you installed it — respond
Remove simple-date-formatter-util-14 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.
Did it already run?
If simple-date-formatter-util-14 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.
How O3 protects you
O3 blocks simple-date-formatter-util-14 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. simple-date-formatter-util-14 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-2026-014427

References

npmjs.com

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks simple-date-formatter-util-14-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.

Malware detection Runtime egress monitoring

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