Which versions of bytedance-chat are malicious?

The following PyPI versions of bytedance-chat are flagged malicious: 0.1.1. Treat any of these as compromised.

How do I remediate bytedance-chat if I installed it?

Remove bytedance-chat 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 bytedance-chat — how do I know if it already compromised me?

If bytedance-chat 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 bytedance-chat part of a known attack campaign?

Yes — bytedance-chat is associated with the RLMA-2025-00444 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 bytedance-chat across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for bytedance-chat (version 0.1.1).

Malicious package

bytedance-chatPyPI

bytedance-chat is a confirmed malicious PyPI package (MAL-2025-906) that executes malicious code on install (malicious version 0.1.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in bytedance-chat (PyPI)

MAL-2025-906

Immediate action

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

pip uninstall bytedance-chat

Malicious versions

1 flagged

0.1.1

Indicators of compromise (SHA-256)

4eb91157c15967b4789a781548dd52f572b4af29992f9281b8cf4af616a5871d

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for bytedance-chat (version 0.1.1).
If you installed it — respond
Remove bytedance-chat 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 bytedance-chat 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. bytedance-chat on PyPI has been identified as a malicious package (version 0.1.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-00444

Credits

ReversingLabs · finder

Detect & block this

O3 blocks bytedance-chat-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

Explore

All malware advisories How O3 detects malware Vulnerability database