[Oisf-users] endswith

Jason Williams jwilliams at emergingthreats.net
Tue Apr 17 15:32:58 UTC 2018


endswith; and startswith; can be used in 4.1beta and forward. Endswith is
an easier way to express the same thing as isdataat:!1,relative;

I don't believe there is any significant performance case to use one over
the other, just easier to write/understand.

On Tue, Apr 10, 2018 at 6:33 AM, erik clark <philosnef at gmail.com> wrote:

> Wow, so, learn something new every day (recent post on list).
>
> Does endswith work with negation?
>
> content:!"realdomain.com"; endswith;
>
> Im looking at this as a way to revamp ETPro sigs for phishing by excluding
> the valid domains from the signature with this method. Currently it uses
> isdataat, but endswith seems better? Is it more resource intensive than
> isdataat?
>
> Thanks!
>
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