I've built two signatures for DNS. One to indicate recursive lookup and not recursive lookup. When I test, the app that is evaluated first is triggered. reverse the order and the formerly 2nd app triggers. It is like the expressions are not evaluated.
Has anyone done this before?
I have a case open with paloalto about this, but it has been open for almost a year.
Just create a 4 conditions that match a string and the specify the text.
I think that the dns request header context should do the job:
You can also match on a reqex but you will need a reqex that matches 4 strings/words and they all should be in the pact (AND &&) but maybe better just add 4 conditions joined with a ‘AND
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