취약점

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Source: amazon-inspector (9a7b953533124edcc31e4293ed6bffe010e9110d795f812ba432de8b81d4d558)

package.json declares a postinstall hook that base64-decodes the URL http://8.217.75.147:3000/payload, fetches it via curl over plain HTTP, and pipes the response directly into bash. This executes attacker-controlled code on every installer's machine at npm install time, with no integrity verification and an obfuscated (base64) destination. The package itself is a hollow lure: index.js exports an empty object, and the package name and description ("Utilities for Web3/ethers development") impersonate the well-known ethers Web3 library to bait installs. The combination of bare-IP C2, plain HTTP, base64-obfuscated URL, curl|bash dropper in a lifecycle hook, and an empty cover-story library is unambiguous supply-chain attack.

Source: ossf-package-analysis (48af3bdbd3b7966516ff3ab4baf1a946a38ce1735dc0c8fb41b2bc9abfa30449)

The OpenSSF Package Analysis project identified 'ethers-common' @ 1.0.0 (npm) as malicious.

It is considered malicious because:

• The package executes one or more commands associated with malicious behavior.