R: how to specify ip address through variables

Hi Ravi,

For the 1Q, you can easily define variables for ip addresses in zeek using the type “addr”. However, I don’t think you can do it in a signature file.

For the 2Q, have a look at https://docs.zeek.org/en/stable/scripts/base/utils/exec.zeek.html#id-Exec::run

For the 3Q, I think they use it at CERN in Geneva too.

Mauro

Da: [email protected] [mailto:[email protected]] Per conto di rahul rakesh
Inviato: martedì 19 novembre 2019 13:45
A: [email protected]
Oggetto: [Zeek] how to specify ip address through variables

Hi all,

First Question:
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How I can specify the ip address of src-ip/dst-ip <cmp> <address-list>
through variable like $External_Net like in snort signatures.

Suppose same ip address is there in many signatures.How can I define it at one place.

Second Q
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after event is generated,then how can i call either c++ code or python code from bro scripts.If it is possible ,can you provide me link.
(Some where i read that through bro scripts, we can call python or c++ code)

Third Q
-----------
Currently Zeek is used at which super computing facility.Is it used at NERSC center. Just  to know that. You can provide me link also.

Thank you so much.

Ravi

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