Which versions of font_awesome-sass-c are malicious?

The following RubyGems versions of font_awesome-sass-c are flagged malicious: 4.7.2. Treat any of these as compromised.

How do I remediate font_awesome-sass-c if I installed it?

Remove font_awesome-sass-c 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 font_awesome-sass-c — how do I know if it already compromised me?

If font_awesome-sass-c 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 font_awesome-sass-c part of a known attack campaign?

Yes — font_awesome-sass-c is associated with the RLMA-2024-05721, RLUA-2024-10240, RLUA-2026-08103 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 font_awesome-sass-c across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for font_awesome-sass-c (version 4.7.2).

Malicious package

font_awesome-sass-cRubyGems

Advisory published Jun 25, 2024Updated Sep 24, 2026

font_awesome-sass-c is a confirmed malicious RubyGems package (MAL-2024-6915) that executes malicious code on install (malicious version 4.7.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in font_awesome-sass-c (RubyGems)

MAL-2024-6915

Immediate action

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

gem uninstall font_awesome-sass-c

Malicious versions

1 flagged

4.7.2

Indicators of compromise (SHA-256)

ca522fe87b253461f403b8f227e4bc0e6bb93c4d2cbbecc32047d7e1cd6c7be1

79546247c8ec9a9d2da278272381995c3db20568d27c7df6c184af9f803d89a2

60526842758ccbf429ceb2b9e3788b47becc7c899c56e8b3a3593d9269b40fdf

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for font_awesome-sass-c (version 4.7.2).
If you installed it — respond
Remove font_awesome-sass-c 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 font_awesome-sass-c 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. font_awesome-sass-c on RubyGems has been identified as a malicious package (version 4.7.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-05721RLUA-2024-10240RLUA-2026-08103

References

Credits

ReversingLabs · finder

Detect & block this

O3 blocks font_awesome-sass-c-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

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