Re: post append_file kills meterpreter

[Balint Varga-Perke <vpbalint () gmail com>]

I also think that write_file() for plain *nix shells is basically broken:

session.shell_command_token("cat #{data} >> '#{file_name}'")

I think echo should be used instead of cat and whitespace in data should 
be properly escaped. Unfortunately I don't have idea yet to transfer 
binary data...

I would like to work on this issue, how should I send in patches?


On 2011-05-29 19:44, Balint Varga-Perke wrote:
> Hi,
>
> I'm writing a post module that has to append some lines at the end of 
> a file. I'm using Meterpreter on a Win7 machine for testing and 
> append_file() of Msf::Post::File for file access.
>
> As append_file() tries to open the file the Meterpreter process dies 
> with c0000417 exception code.
>
> the actual code can be found here: 
> https://github.com/v-p-b/MSF-Addons/blob/master/modules/post/multi/manage/firefox_install_addon.rb#L258
>
> Is this a bug? Thanks in advance:
>
> Balint

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