Which versions of font_awesome-sassc are malicious?

The following RubyGems versions of font_awesome-sassc are flagged malicious: 4.7.1. Treat any of these as compromised.

How do I remediate font_awesome-sassc if I installed it?

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

If font_awesome-sassc 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-sassc part of a known attack campaign?

Yes — font_awesome-sassc is associated with the RLMA-2024-05723, RLUA-2024-10242, RLUA-2026-08105 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-sassc across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for font_awesome-sassc (version 4.7.1).

Malicious package

font_awesome-sasscRubyGems

Advisory published Jun 25, 2024Updated Sep 24, 2026

font_awesome-sassc is a confirmed malicious RubyGems package (MAL-2024-6917) that executes malicious code on install (malicious version 4.7.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in font_awesome-sassc (RubyGems)

MAL-2024-6917

Immediate action

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

gem uninstall font_awesome-sassc

Malicious versions

1 flagged

4.7.1

Indicators of compromise (SHA-256)

2a8a63c4cd6f31bc24d71191b0bae26898d4e02dd0aa6e457bcc4a7cc88b9322

3a55de89ad113ce0115e76674e6d559216b37b69db8788cf8c63f4b227cb37ac

75d29e0ee1d81342e64deca1a27979f3287b39457a620f3358d1cdbdcedb6aa1

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for font_awesome-sassc (version 4.7.1).
If you installed it — respond
Remove font_awesome-sassc 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-sassc 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-sassc on RubyGems has been identified as a malicious package (version 4.7.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-05723RLUA-2024-10242RLUA-2026-08105

References

Credits

ReversingLabs · finder

Detect & block this

O3 blocks font_awesome-sassc-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