Which versions of testabcabc2248gem are malicious?

The following RubyGems versions of testabcabc2248gem are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate testabcabc2248gem if I installed it?

testabcabc2248gem establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.

I already installed testabcabc2248gem — how do I know if it already compromised me?

If testabcabc2248gem 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 testabcabc2248gem part of a known attack campaign?

Yes — testabcabc2248gem is associated with the RLMA-2026-03620, RLUA-2026-09543 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 testabcabc2248gem across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for testabcabc2248gem (version 0.0.1).

Malicious package

testabcabc2248gemRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

testabcabc2248gem is a confirmed malicious RubyGems package (MAL-2026-8969) that opens a backdoor for remote access (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in testabcabc2248gem (RubyGems)

MAL-2026-8969

Immediate action

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

gem uninstall testabcabc2248gem

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

ae1da69d06cab1cf838be0540c51faecb762902a26fb0739e2e876c8a87742aa

b45727005cac9c7330eb128c3545ee9d64e81e1bf98b2b29b36f9d55289fe0c9

Detection & response playbook

Backdoor / remote access

Find it
Search your lockfiles and build artifacts for testabcabc2248gem (version 0.0.1).
If you installed it — respond
testabcabc2248gem establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.
Did it already run?
If testabcabc2248gem 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. testabcabc2248gem on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03620RLUA-2026-09543

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks testabcabc2248gem-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.

Malware detection Runtime egress monitoring

Explore

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