Comment by fragmede

7 years ago

If binaries are being downloaded, then the dynamically generated malicious script could pretend it's a checksum when really it's a unique tracking URL.

    curl www.example.com/downloads/fooprogram/builds/D41D8CD98F00B204E9800998ECF8427E.tgz

If the time between the script being downloaded and that file being requested is large, serve the clean copy, else download the malicious binary.

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