Which versions of jie-utility-package are malicious?

The following PyPI versions of jie-utility-package are flagged malicious: 1.5.0. Treat any of these as compromised.

How do I remediate jie-utility-package if I installed it?

jie-utility-package is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

I already installed jie-utility-package — how do I know if it already compromised me?

If jie-utility-package was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is jie-utility-package part of a known attack campaign?

Yes — jie-utility-package is associated with the 2026-04-my-package-jiecub3 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 jie-utility-package across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for jie-utility-package (version 1.5.0).

Malicious package

jie-utility-packagePyPI

Advisory published Apr 23, 2026Updated Apr 23, 2026

jie-utility-package is a confirmed malicious PyPI package (MAL-2026-3022) that steals credentials and exfiltrates sensitive data (malicious version 1.5.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in jie-utility-package (PyPI)

MAL-2026-3022

Immediate action

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

pip uninstall jie-utility-package

What this malware does

During installation, the package attempts to create a reverse shell

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-04-my-package-jiecub3

Reasons (based on the campaign):

The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

Malicious versions

1 flagged

1.5.0

Indicators of compromise (SHA-256)

2cab7c48587f060014e5c8453f9ab21c0e6dd3c3523d095c1fcafbce8cbee2d1

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for jie-utility-package (version 1.5.0).
If you installed it — respond
jie-utility-package is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If jie-utility-package was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. jie-utility-package on PyPI has been identified as a malicious package (version 1.5.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-04-my-package-jiecub3

References

bad-packages.kam193.eu

Credits

Kamil Mańkowski (kam193) · analyst

Detect & block this

O3 blocks jie-utility-package-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database