[ASK] Block Malware Generate Random Subdomain, Domain and TLD

Tony Finch dot at dotat.at
Wed Jan 17 14:57:01 UTC 2018

Syaifudin <syaifudin at jsn.net.id> wrote:

> is there regex for bind config or something else to anticipation or block
> malware where generate random subdomain ( 2 or 3 character )+ random domain
> ( 7 character ) + random tld.

This is a job for RPZ.

I'm currently at UKNOF39 where we have just had a couple of talks about
RPZ. One of the speakers talked about algorithmically generated malware
domains: if you know the algorithm, you can pre-generate the malicious
domains and add them to your RPZ in advance.

If they are truly random attack domains then you'll need some other

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