What does the replit_ruspty malware do?

The OpenSSF Package Analysis project identified 'replit_ruspty' @ 1.0.0 (crates.io) as malicious. It is considered malicious because: - The package communicates with a domain associated with malicious activity. - The package executes one or more commands associated with malicious behavior.

Which versions of replit_ruspty are malicious?

The following crates.io versions of replit_ruspty are flagged malicious: 1.0.0. Treat any of these as compromised.

How do I remediate replit_ruspty if I installed it?

Remove replit_ruspty 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 replit_ruspty — how do I know if it already compromised me?

If replit_ruspty 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.

How do I find replit_ruspty across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for replit_ruspty (version 1.0.0).

Malicious package

replit_rusptycrates.io

replit_ruspty is a confirmed malicious crates.io package (MAL-2025-49350) 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 replit_ruspty (crates.io)

MAL-2025-49350

Immediate action

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

remove replit_ruspty

What this malware does

The OpenSSF Package Analysis project identified 'replit_ruspty' @ 1.0.0 (crates.io) as malicious.

It is considered malicious because:

The package communicates with a domain associated with malicious activity.
The package executes one or more commands associated with malicious behavior.

Malicious versions

1 flagged

1.0.0

Indicators of compromise (SHA-256)

703ba59c0f40f937ba922d389d8beab406cc57110b792ed8d58ab7e8133c1712

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for replit_ruspty (version 1.0.0).
If you installed it — respond
Remove replit_ruspty 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 replit_ruspty 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. replit_ruspty on crates.io 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.

Credits

OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks replit_ruspty-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