extracting isup payload from sigtran / ss7 packets

[Cristian Constantin <const.crist () googlemail com>]

hi!

I attach a lua script that can extract and dump in a separate file
isup payloads from either sigtran or ss7 packets.

it is based on a script that manipulates ascii text from tcp packets found here:

http://ask.wireshark.org/questions/4639/extracting-soap-xml-payload?page=1#4835

it can be used as an example on how to extract and manipulate binary
fields from packets;
I did not find any other one when I was looking for it.
for using it you have to download and compile the "struct.so" module from here:

http://www.inf.puc-rio.br/~roberto/struct/

and make sure you read it through before you use it; it is full of
interesting comments documenting
the usage and so on...

bye now!
cristian

Attachment: get_isup.lua
Description:

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