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resolvedcritical

Malicious code in boardwalk-js-tests (npm)

The npm package boardwalk-js-tests contained malicious code in its preinstall script that performed host reconnaissance and exfiltrated system information to an attacker-controlled domain during installation. The package provided no legitimate functionality and was designed solely for data theft.

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Disclosed
Last updated
Blast radius
Any developer or system that installed boardwalk-js-tests via npm
Ecosystems
Attack vectors
Affected entities
  • boardwalk-js-testsnpm package containing malicious preinstall script

The npm package boardwalk-js-tests was found to contain malicious code that executed during installation. The package.json declared a preinstall hook that ran index.js on npm install.\n\nThe malicious script collected sensitive system information including the installer's hostname, username, home directory, DNS server list, and current working directory. It also read the contents of /etc/passwd and /etc/hosts files, then exfiltrated this data as a JSON payload via HTTPS POST to h8q14cqgn5ra8v0bjg70nqxsbjhc52tr.oastify.com, a Burp Collaborator (OAST) subdomain controlled by the attacker.\n\nThe package provided no advertised functionality; its sole purpose was host reconnaissance and data exfiltration at install time. The incident was identified and credited to the OpenSSF malicious-packages repository.\n\nThis represents a direct supply chain compromise where the package itself was weaponized to target developers and systems that installed it.

Indicators of compromise

Packages
  • boardwalk-js-tests
Domains
  • h8q14cqgn5ra8v0bjg70nqxsbjhc52tr.oastify.com

Remediation

  • Immediately uninstall boardwalk-js-tests from all systems and projects
  • Review npm install logs and audit systems that installed this package for signs of compromise
  • Change credentials and SSH keys on any system that installed this package
  • Monitor affected systems for unauthorized access or data exfiltration
  • Check DNS queries and outbound HTTPS connections for communication with the attacker domain
  • Review /etc/passwd and /etc/hosts files for unauthorized modifications
  • Consider this a potential credential and system information disclosure event and treat accordingly

Sources

  1. GitHub Advisory GHSA-978x-49gc-fq44 · GitHub Advisory Database

Cite this entry

"Malicious code in boardwalk-js-tests (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 5, 2026; last updated August 5, 2026. https://supplychainattack.org/incident/malicious-code-in-boardwalk-js-tests-npm-1izlo9

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