Malicious Package Investigation Report

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📦 Package Metadata

• Package Name:
• Registry: [NPM / PyPI / RubyGems / etc.]
• Affected Versions:
• Malicious Version(s):
• Downloads at Time of Detection:
• Package URL:

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🚩 Indicators of Compromise (IOCs)

• Malicious URL(s):
• Exfiltrated Data Types: [Environment variables, ~/.ssh/id_rsa, /etc/shadow, etc.]
• Exfiltration Method: [DNS tunneling, HTTP POST to C2, etc.]
• C2 IP/Domain:

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🛠️ Analysis Summary

• Primary Mechanism: [Typosquatting / Dependency Confusion / Maintainer Takeover]
• Behavior Description:
  • [Example: Installs a postinstall script that exfiltrates environment variables.]
  • [Example: Patches setup.py to download a secondary payload.]

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🔍 Evidence Registry

Evidence ID	Type	Source	Description
EV-XXXX	ioc	NPM	Package install script snapshot
EV-YYYY	web	Wayback	Historical version comparison

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🛡️ Recommended Mitigations

1. Unpublish/Report the package to the registry.
2. Audit package-lock.json or requirements.txt across all projects.
3. Rotate secrets exfiltrated via environment variables.
4. Pin specific hashes (SHASUM) for mission-critical dependencies.