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www.waraxe.us Forum Index -> Newbies corner -> Some basic SHARED SERVER info
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Some basic SHARED SERVER info
PostPosted: Mon Jun 15, 2009 2:43 pm Reply with quote
shyspy
Advanced user
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Joined: Jun 08, 2009
Posts: 60




Hi m looking for information on how to hack using an shared server.
If you can hack an site then you can easily hack many other sites.

I don't really get the funda can any1 please explain.
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PostPosted: Mon Jun 15, 2009 3:43 pm Reply with quote
earthquaker
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Joined: Jun 02, 2008
Posts: 111
Location: q8




if you have an access to the server then upload a php shell
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PostPosted: Mon Jun 15, 2009 4:18 pm Reply with quote
waraxe
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




It involves multiple steps:

1. getting webapplication admin account (usually needed)
2. from web app admin somehow elevate to php code level

Now you can run arbitrary php code, but there can be safe mode, open_basedir, disable_functions and other obstacles.

3. from php to operating system shell level. Usually through ``, passthru(), system(), preg_replace() e-modifier.

From php to shell can be very hard to accomplish, many depends on php version and server overall security.

4. Now you have Linux shell (let's not talk about Win right now).
Hosting server admins are not interesting of users poking around other user directories and files, right? So expect various obstacles there too.
Usually it's file system permissions.

5. From low priv shell to root shell - local root exploits.
Root level means

5.1 you can deface all websites on server
5.2 you can read /etc/shadow
5.3 you can delete logs
5.4 rootkits, backdoors
5.5 sniffing network traffic
etc, etc

Summary - you need advanced skills in sql, php, linux, c/c++, perl, networking, etc etc, if you want big rate of success.
With minimal knowledge you will have hard times Smile
But all experts start from beginning ...
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PostPosted: Mon Jun 15, 2009 4:25 pm Reply with quote
shyspy
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Joined: Jun 08, 2009
Posts: 60




Thankyou waraxe and earthquaker .. the information is really helpfull and now i m googleing for more on the topic..
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Some basic SHARED SERVER info
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