Which versions of Bloсkсore.Features.MemoryPool are malicious?

The following NuGet versions of Bloсkсore.Features.MemoryPool are flagged malicious: 1.1.40. Treat any of these as compromised.

How do I remediate Bloсkсore.Features.MemoryPool if I installed it?

Remove Bloсkсore.Features.MemoryPool 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 Bloсkсore.Features.MemoryPool — how do I know if it already compromised me?

If Bloсkсore.Features.MemoryPool 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 Bloсkсore.Features.MemoryPool part of a known attack campaign?

Yes — Bloсkсore.Features.MemoryPool is associated with the RLMA-2024-03163 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 Bloсkсore.Features.MemoryPool across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for Bloсkсore.Features.MemoryPool (version 1.1.40).

Malicious package

Bloсkсore.Features.MemoryPoolNuGet

Bloсkсore.Features.MemoryPool is a confirmed malicious NuGet package (MAL-2024-4356) that executes malicious code on install (malicious version 1.1.40). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in Bloсkсore.Features.MemoryPool (NuGet)

MAL-2024-4356

Immediate action

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

remove Bloсkсore.Features.MemoryPool

Malicious versions

1 flagged

1.1.40

Indicators of compromise (SHA-256)

768ddb49e4bd060a05acf86f4dd57ee75abc6cd44cbcbcd8d0bdf40f28383b9d

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for Bloсkсore.Features.MemoryPool (version 1.1.40).
If you installed it — respond
Remove Bloсkсore.Features.MemoryPool 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 Bloсkсore.Features.MemoryPool 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. Bloсkсore.Features.MemoryPool on NuGet has been identified as a malicious package (version 1.1.40 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-03163

Credits

ReversingLabs · finder

Detect & block this

O3 blocks Bloсkсore.Features.MemoryPool-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