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Malicious package

ue-automation-scriptsnpm

Advisory published Updated

ue-automation-scripts is a confirmed malicious npm package (MAL-2026-6730) that steals credentials and exfiltrates sensitive data (malicious version 99999.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in ue-automation-scripts (npm)

MAL-2026-6730
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall ue-automation-scripts

What this malware does

Package name 'ue-automation-scripts' with version 99999.0.0 is the canonical dependency-confusion shape used to hijack installs on internal CI systems that resolve unqualified names against the public npm registry. The preinstall lifecycle script in package.json runs unconditionally on npm install and: (1) collects hostname, username, cwd, platform, node version, npm user-agent, and CI indicators; (2) enumerates process.env with a regex matching credential-shaped keys (AWS_, GITHUB_, GH_, NPM_, EPIC_, UE_, HORDE_, P4, CI, BUILD, TOKEN, KEY, SECRET), taking up to 30 matches; (3) POSTs the JSON payload over plain HTTP to the hardcoded bare-IP endpoint http://109.123.247.172/npm/ue_automation_scripts; and (4) performs a DNS lookup encoding hostname and username as a subdomain of ue_automation_scripts.npm.epic-dc.oast.fun (an interactsh/OAST out-of-band interaction service) as a secondary confirmation channel that also works from environments blocking HTTP egress. The Epic/UE/HORDE/P4 targeting indicates the campaign is aimed at Epic Games / Unreal Engine internal build infrastructure (Horde agents, Perforce credentials).

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

The OpenSSF Package Analysis project identified 'ue-automation-scripts' @ 99999.0.0 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged
99999.0.0

Indicators of compromise (SHA-256)

312f2d385743023503ed2c86bab1361eff17db32aa8a33d6d4da0015b3650095
cbc2db9a2a365d53d76fe7ca2a8f219f98118d99b53698cf7ce8b31cf81eda3f
99a6158ac008e16c5150e5cebe3ffa1da95ae8fa9b5391913e75af12c2611f69

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for ue-automation-scripts (version 99999.0.0).

  2. If you installed it — respond

    ue-automation-scripts is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If ue-automation-scripts 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. ue-automation-scripts on npm has been identified as a malicious package (version 99999.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-008133GHSA-g68g-mm68-67f5

References

Credits

  • Amazon Inspector · finder
  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks ue-automation-scripts-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

ue-automation-scripts (npm) malicious package — MAL-2026-6730 | O3 Security