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Malicious package

@dransay/loggernpm

Advisory published Updated

@dransay/logger is a confirmed malicious npm package (MAL-2026-17697) that opens a backdoor for remote access (malicious version 99.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @dransay/logger (npm)

MAL-2026-17697
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @dransay/logger

What this malware does

@dransay/[email protected] is a dependency-confusion probe claiming the internal @dransay/* namespace, not an identified public package. Its preinstall hook runs on npm install as node beacon.js and sends a DNS lookup and an HTTPS GET to db3klhbi6i9hark1kegg174t38h33b6wt.oast.site, using the package name in the request; npm account 0xamino_hunter published it on 2026-10-08.

The package @dransay/[email protected] ships a preinstall hook (node beacon.js) that fires on npm install. The script performs a DNS lookup and HTTPS GET to the interactsh collaborator host db3klhbi6i9hark1kegg174t38h33b6wt.oast.site, encoding the package name in the subdomain/path. The version number (99.0.0) is implausibly high for a package with no release history, consistent with a dependency-confusion squat intended to win semver resolution against a private internal name. On install, the beacon discloses the installer's source IP, DNS resolver, and timestamp to a third-party host under the scoped name @dransay/logger, confirming successful resolution of this public package in an environment that may have intended to resolve a private @dransay/* package. No further payload is executed in this version, but the install-time callback to an attacker-controlled OAST endpoint is the reconnaissance stage of a dependency-confusion attack.

Malicious versions

1 flagged
99.0.0

Indicators of compromise (SHA-256)

5d4cbd17edce3b0c45619c9af869321807357e3dae1af8aa94835d3143185e85

Detection & response playbook

Backdoor / remote access
  1. Find it

    Search your lockfiles and build artifacts for @dransay/logger (version 99.0.0).

  2. If you installed it — respond

    @dransay/logger 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.

  3. Did it already run?

    If @dransay/logger 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. @dransay/logger on npm has been identified as a malicious package (version 99.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-021217

References

Credits

  • Amazon Inspector · finder
  • InvisiRisk, Inc. · finder

Detect & block this

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

Explore

@dransay/logger (npm) malicious package — MAL-2026-17697 | O3 Security