(keitai-l) Re: Hacking Java sites

From: Boris Granveaud <boris_at_granveaud.com>
Date: 09/03/03
Message-ID: <3F559FE2.5060309@granveaud.com>
unfortunately, this is not that difficult, at least in Europe: you just 
need a GPRS modem in which you insert your i-Mode SIM card. You connect 
this modem to your PC and that's it.

B.

>Hi All,
>
>It has been interesting following this discussion, but one thing that 
>does not seem to have come up is how to get appli from official sites 
>on 
>to your PC in order to start hacking them.
>
>I mean correct me if I'm wrong, but if you have say an official DoCoMo 
>site and you make applis available over it, people will only be able to 
>access the site by phone right?  I mean unless they know the actual URL 
>of your site, then they can't even try and download your appli to the 
>PC
>
>Now presumably this it is not impossible to get hold of the URL for an 
>official appli download site, I don't know a simple way to do it.
>
>Then even if you are not an official site, you could set up your server 
>so as to only provide downloads to requests coming from within the 
>Docomo network (e.g. by filtering IP addresses), i.e. so that would-be 
>hackers can only download onto phones and not their PCs, which is then 
>not much use for hacking.
>
>Presumably one could spoof the IP address so that one could pretend to 
>be sending a request from inside the docomo network, but then again I'm 
>not sure how easy or difficult this would be. 
>
>Still this would put at least another couple of barriers between your 
>precious source code and the would be hacker.
>
>CHEERS> SAM
>
>
>Cedric NICOLAS wrote:
>
>  
>
>>Hello everybody,
>>
>>I've a question for those who know well the mature Japanese market. Do 
>>    
>>
>you
>  
>
>>see hackers of Java programs using phones connected to a PC or using 
>>    
>>
>PC
>  
>
>>wireless modems to get Java archives from premium content sites, 
>>    
>>
>decompiling
>  
>
>>it (it's really easy to do it), and then republishing the games for 
>>    
>>
>free (or
>  
>
>>not) after modifications on the source code (like modifying images and
>>graphics part, but keeping core algorithms of code) ?
>>We are afraid about this security threat, because official content 
>>    
>>
>providers
>  
>
>>could complain about source code illegal use, and loss of revenues.
>>Have you heard about this ? Is this technically possible in Japan ? In
>>Europe GPRS modems that you can connect to a PC are freely available.
>>
>>Regards,
>>
>>
>>C.Nicolas
>>Bouygues Telecom
>>
>>
>>This mail was sent to address gaijin@yha.att.ne.jp
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>>
>>
>> 
>>
>>    
>>
>
>
>
>
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>  
>


-- 
Boris Granveaud
http://www.granveaud.com/
Received on Wed Sep 3 10:59:54 2003