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rundll32 frequent outbound request


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  • ESET Insiders

Does rundll32 really need internet access at all? It seems Microsoft keeps adding more, and more components to Windows that need internet access. It really makes me want to go to Linux for good. I don't think rundll32 should be given internet access considering how many threats use it.  Does anyone know any reason why rundll32 must have internet access? Notice I said must.

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  • ESET Insiders

rundll runs code from dll files (it could be a windows dll a programm dll or a malware)

so you can not know what dll file wants to get internet access

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I allowed it a few times just to see if I could detect any application updating  I went ahead, and created a permanent block rule for it. It does not make sense to allow internet access when you don't even know what is requesting it. I have not experienced any problems by blocking it.

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