@larocas-bbresearch/tombstone-probe-8ejnsanpm
Advisory published Updated
@larocas-bbresearch/tombstone-probe-8ejnsa is a confirmed malicious npm package (MAL-2026-16525) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in @larocas-bbresearch/tombstone-probe-8ejnsa (npm)
What this malware does
The package was found to contain malicious code or consuming dependency that contains malicious code
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Malicious packageFind it
Search your lockfiles and build artifacts for @larocas-bbresearch/tombstone-probe-8ejnsa (version 0.0.1).
If you installed it — respond
Remove @larocas-bbresearch/tombstone-probe-8ejnsa 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 @larocas-bbresearch/tombstone-probe-8ejnsa 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
Campaign
References
Credits
- Amazon Inspector · finder
- ReversingLabs · finder
Detect & block this
O3 blocks @larocas-bbresearch/tombstone-probe-8ejnsa-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.