Which versions of alibabacloud-code-tool are malicious?

The following PyPI versions of alibabacloud-code-tool are flagged malicious: 2.0.0, 2.0.1, 2.0.2, 2.0.3. Treat any of these as compromised.

How do I remediate alibabacloud-code-tool if I installed it?

alibabacloud-code-tool 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 alibabacloud-code-tool — how do I know if it already compromised me?

If alibabacloud-code-tool 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 alibabacloud-code-tool part of a known attack campaign?

Yes — alibabacloud-code-tool is associated with the 2026-02-alibabacloude, RLMA-2026-00055 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 alibabacloud-code-tool across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for alibabacloud-code-tool (4 malicious versions).

Malicious package

alibabacloud-code-toolPyPI

Advisory published Feb 16, 2026Updated Mar 19, 2026

alibabacloud-code-tool is a confirmed malicious PyPI package (MAL-2026-915) that steals credentials and exfiltrates sensitive data (malicious versions 2.0.0, 2.0.1, 2.0.2…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in alibabacloud-code-tool (PyPI)

MAL-2026-915

Immediate action

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

pip uninstall alibabacloud-code-tool

What this malware does

This package impersonates Alibaba Cloud account and contains highly obfuscated code.

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

Campaign: 2026-02-alibabacloude

Reasons (based on the campaign):

typosquatting
impersonation
obfuscation

Malicious versions

4 flagged

2.0.02.0.12.0.22.0.3

Indicators of compromise (SHA-256)

5e4d81a71d0710ac3618ec41e8027ee6a96ae9845ca67b33b950c8d99d8d2e8a

3255cd7d14e208ba6336511f7d99803c1b5ba9b06b9e3423c4284bc7352c3642

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for alibabacloud-code-tool (4 malicious versions).
If you installed it — respond
alibabacloud-code-tool 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 alibabacloud-code-tool 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. alibabacloud-code-tool on PyPI has been identified as a malicious package (versions 2.0.0, 2.0.1, 2.0.2, 2.0.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-02-alibabacloudeRLMA-2026-00055

References

Credits

Kamil Mańkowski (kam193) · reporter
ReversingLabs · finder

Detect & block this

O3 blocks alibabacloud-code-tool-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