Accessing an unlisted "Index of" directory is not illegal in itself (if it’s on a public server). However, downloading cracked software violates copyright laws (DMCA, Copyright Act, etc.). Moreover, intentionally infecting your own machine or others’ by running unknown installers could be considered reckless endangerment in cyber law. If you absolutely must retrieve a file from
If you find a live "index of badmaash company install" directory, the ethical action is: the ethical action is: