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containedcritical

Malicious code in @antv/interaction (npm)

The npm account `atool` was compromised and used to publish 631 malicious versions across 314 npm packages, including @antv/interaction, in an automated 22-minute attack. Each malicious version injects a preinstall hook executing an obfuscated Bun script that exfiltrates credentials and establishes persistence via CI/CD workflow injection and system daemons.

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Disclosed
Last updated
Blast radius
631 malicious versions across 314 npm packages; widespread credential theft affecting AWS, GitHub, npm, GCP, Azure, Kubernetes, SSH, Docker, databases, Stripe, and Slack
Ecosystems
npmOther
Attack vectors
Account takeoverCompromised packageMalicious commit
Threat actor
Mini Shai Hulud
Affected entities
  • @antv/interactionnpm package compromised with malicious preinstall hook

A threat actor compromised the npm account atool and launched the "Mini Shai-Hulud" supply chain attack campaign, publishing 631 malicious versions across 314 npm packages in a rapid 22-minute burst. The @antv/interaction package was among those compromised.

Each malicious version includes a preinstall hook that executes a 498KB obfuscated Bun script. This script uses the GitHub API as a covert exfiltration channel to steal sensitive credentials including AWS keys, GitHub PATs, npm tokens, GCP service accounts, Azure credentials, Kubernetes service account tokens, SSH keys, Docker auth configs, database connection strings, Stripe keys, and Slack tokens. Stolen credentials are committed to attacker-controlled repositories following Dune-themed naming patterns (e.g., harkonnen-melange-742).

Beyond credential theft, the malicious code establishes persistence through multiple mechanisms: CI/CD workflow injection via a GitHub Actions workflow named Run Copilot that dumps all secrets using toJSON(secrets), AI agent session hooks, and a system daemon named kitty-monitor.

The compromise was detected and reported by both Amazon Inspector and Google Open Source Security sources.

Indicators of compromise

Packages
  • @antv/interaction

Remediation

  • Immediately audit and revoke all credentials (AWS keys, GitHub PATs, npm tokens, GCP service accounts, Azure credentials, Kubernetes tokens, SSH keys, Docker configs, database credentials, Stripe keys, Slack tokens) that may have been exposed
  • Remove all malicious versions of @antv/interaction and other affected packages from npm; update to patched versions if available
  • Inspect CI/CD workflows for unauthorized `Run Copilot` workflow or other suspicious GitHub Actions
  • Search systems for the `kitty-monitor` daemon and remove if found
  • Review git commit history for suspicious commits to attacker-controlled repositories with Dune-themed names
  • Implement package pinning and integrity verification for npm dependencies
  • Enable 2FA on npm and GitHub accounts; audit account access logs for unauthorized activity

Sources

  1. GitHub Advisory GHSA-f8fc-v3qj-h7gg · GitHub Advisory Database

Cite this entry

"Malicious code in @antv/interaction (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malicious-code-in-antv-interaction-npm-y62nf3

Suggest a correction

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