Re: Your favorite Ncat/nc/Netcat trick?

[Ron <ron () skullsecurity net>]

David Fifield wrote:
> Hello again,
>
> I'd like to have some more examples of fun, useful, or unusual things to
> do with Ncat. I have a few of them, based on my own limited experience, at
>
> http://nmap.org/ncat/guide/ncat-tricks.html
> http://nmap.org/ncat/guide/ncat-simple-services.html
>
> What's your favorite Ncat trick? Did it (or nc, etc.) ever get you out
> of a jam? Do you have any experiences that would make good examples for
> the users' guide?
>
> Here are a few web pages that might give you ideas:
> http://nc110.sourceforge.net/
> http://www.softpanorama.org/Net/Netutils/netcat.shtml
>
> My personal favorite trick is the parser-breaking DNS server I used to
> test NSE in http://seclists.org/nmap-dev/2008/q4/0526.html and
> http://seclists.org/nmap-dev/2009/q1/0317.html. I almost included that,
> but then I thought it would require too much explanation.
>
> David Fifield

Here's one I thought about last night...

This week on Dumb Netcat Tricks.... pushing a pcap over the network!

Box 1:
$ nc -vv -l -p 1234 > test.pcap

Box 2:
$ mknod pipe p
$ nc -vv (host) 1234 < pipe
# tcpdump -s0 -w pipe "port not 1234" &

(Will obviously have to background the middle netcat, or use two terminals)

This lets me, for example, monitor my router's traffic, and push it all 
back to my laptop where I can use wireshark to get a graphical view. I 
realize it isn't the most exciting thing, but eh?

Ron

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