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#Xilisoft video converter ultimate user manual archive#
#Xilisoft video converter ultimate user manual software#

ObjFileToWrite.WriteLine("POC by Osanda Malith :D") Set objFileToWrite = CreateObject("Scripting.FileSystemObject").OpenTextFile("new.jpg",2,true) Msg=MsgBox ("Automated POC" & chr(13) & "Coded by Osanda Malith", 64, "Xilisoft Video Converter Ultimate Dll Hijacking Exploit") Once the victim runs this script the DLL will be hijacked. So we can automate this process by writting something like this 😉 Place the DLL and this script in the same location. * Use this material for educational purposes onlyīOOL WINAPI DllMain(HINSTANCE hinstDLL,DWORD fdwReason, LPVOID lpvReserved)Īs this application as no extensions associated we have to manually a open a file with this application.

* /!\ Author is not responsible for any damage you cause * Exploit-Author: Osanda Malith Jayathissa * Version: 7.8.1 build-20140505 (Previous versions might be vulnerable) * Title: Xilisoft Video Converter Ultimate Dll Hijacking Exploit (quserex.dll) What we can understand is that application searches QSEREX.DLL in the current directory which is a New Folder in the Desktop in this case. = C:\Documents and Settings\Osanda\Desktop\New Folder\QSEREX.DLL = C:\Program Files\Xilisoft\Video Converter Ultimate\QSEREX.DLL

The directory from which the application loaded.

This attack scenario is certainly possible, but rare. This can be done by tricking a user into running a hostile script from the local file system or a USB drive in some cases.

#Xilisoft video converter ultimate user manual archive#

This attack can be leveraged remotely in some cases by placing the malicious file or library on a network share or extracted archive downloaded from a remote source. This allows a local attacker to inject custom code that will be run with the privilege of the program or user executing the program. By placing a custom version of the file or library in the path, the program will load it before the legitimate version. This path includes directories that may not be trusted or under user control. Since the program is not specified with a fully qualified path name the program uses a fixed path to look for specific files or libraries. Xilisoft Video Converter Ultimate is prone to a flaw in the way it dynamically loads the quserex.dll library. It automatic profiles enhanced for just any device or format, graphics card detection and acceleration. It is on the high side of premium video converters for home use.

#Xilisoft video converter ultimate user manual software#

I personally love this software since it uses GPU acceleration in converting videos.

Xilisoft Video Converter Ultimate is a professional video converter which has a wide range of video and audio formats. Overview of Xilisoft Video Converter Ultimate