Malicious code in @antv/awards (npm)
A threat actor compromised the npm account 'atool' and published 631 malicious versions across 314 npm packages, including @antv/awards, as part of the "Mini Shai-Hulud" supply chain attack campaign. 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.
- 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
- Attack vectors
- Threat actor
- Affected entities
- @antv/awardsnpm package compromised with malicious preinstall hook
The npm account atool was compromised and used to publish 631 malicious versions across 314 npm packages in a rapid 22-minute automated burst. The @antv/awards package was among those affected, modified to include a malicious preinstall hook.
Each malicious version executes a 498KB obfuscated Bun script that exfiltrates 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. The script uses the GitHub API as a covert exfiltration channel, committing stolen data to attacker-controlled repositories following Dune-themed naming patterns (e.g., harkonnen-melange-742).
Beyond credential theft, the attack establishes persistence through multiple mechanisms: CI/CD workflow injection via a GitHub Actions workflow named Run Copilot that dumps all secrets, AI agent session hooks, and a system daemon named kitty-monitor. This campaign is attributed to the TeamPCP threat actor and is part of the ongoing "Mini Shai-Hulud is back" worm.
Indicators of compromise
- Packages
- @antv/awards
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 affected npm packages and update to patched versions
- Audit GitHub Actions workflows for unauthorized `Run Copilot` workflow or similar suspicious CI/CD modifications
- Search systems for the `kitty-monitor` daemon and remove if found
- Review git commit history in attacker-controlled repositories with Dune-themed names for exfiltrated data
- Implement npm package pinning and integrity verification to prevent installation of malicious versions
- Enable 2FA on npm accounts and review account access logs
- Monitor for signs of persistence mechanisms and unauthorized access using the stolen credentials
Sources
- GitHub Advisory GHSA-26gq-5v8w-2h84 · GitHub Advisory Database
Cite this entry
"Malicious code in @antv/awards (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 26, 2026; last updated July 26, 2026. https://supplychainattack.org/incident/malicious-code-in-antv-awards-npm-1i0dqh
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