Malicious code in @antv/dipper-map (npm)
A threat actor compromised the npm account `atool` and published 631 malicious versions across 314 npm packages, including @antv/dipper-map, in an automated 22-minute burst. Each malicious version injects a preinstall hook executing an obfuscated Bun script that exfiltrates credentials (AWS keys, GitHub PATs, npm tokens, GCP service accounts, Azure credentials, Kubernetes tokens, SSH keys, Docker configs, database strings, Stripe keys, Slack tokens) via the GitHub API and establishes persistence through CI/CD workflow injection and system daemons.
- Disclosed
- Last updated
- Blast radius
- 631 malicious versions across 314 npm packages; widespread credential exfiltration affecting users of affected packages
- Ecosystems
- Attack vectors
- Threat actor
- Affected entities
- @antv/dipper-mapCompromised as part of Mini Shai-Hulud campaign; malicious preinstall hook injected
A threat actor compromised the npm account atool and executed a coordinated supply chain attack campaign called "Mini Shai-Hulud," publishing 631 malicious versions across 314 npm packages in an automated 22-minute burst. The @antv/dipper-map package was among those compromised.\n\nEach malicious version injects a preinstall hook that executes a 498KB obfuscated Bun script. This script 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 stolen data is transmitted via the GitHub API to attacker-controlled repositories following Dune-themed naming patterns (e.g., harkonnen-melange-742).\n\nBeyond credential theft, the malicious packages establish persistence through multiple mechanisms: CI/CD workflow injection (a GitHub Actions workflow named Run Copilot that dumps all secrets via toJSON(secrets)), AI agent session hooks, and a system daemon named kitty-monitor. This multi-layered persistence approach suggests intent for long-term access and continued data exfiltration.\n\nThe incident was identified by both Amazon Inspector and Google Open Source Security sources, confirming the presence of malicious code in the affected package."
Indicators of compromise
- Packages
- @antv/dipper-map
Remediation
- Immediately audit and revoke all credentials (AWS keys, GitHub PATs, npm tokens, GCP service accounts, Azure credentials, Kubernetes tokens, SSH keys, Docker auth configs, database connection strings, Stripe keys, Slack tokens) that may have been exposed
- Remove or downgrade @antv/dipper-map and all affected packages to versions prior to the malicious publication
- Scan systems and CI/CD pipelines for the `kitty-monitor` daemon and `Run Copilot` GitHub Actions workflow and remove them
- Review GitHub Actions workflow history and secrets access logs for unauthorized activity
- Monitor for suspicious commits to attacker-controlled repositories with Dune-themed naming patterns
- Implement package pinning and integrity verification for npm dependencies
- Enable npm two-factor authentication and audit account access logs
Sources
- GitHub Advisory GHSA-gpm5-c9hh-38r4 · GitHub Advisory Database
Cite this entry
"Malicious code in @antv/dipper-map (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-dipper-map-npm-134rez
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