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C# Discussion Thread
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Sep 17th, 2009

File Search for Application Protection

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Hi everyone. Basically what I want to do is search for a specific *.exe file upon initialization of my application. The *.exe file that I want to search for happens to be a .NET debugging tool. When / if my application finds this file, I want it to automatically close and delete itself. The problem is, not everybody will have that *.exe file installed in the same place. Is there a way I can search the entire HD instead of specific folders to find the file? Would @"C:\" search the desktop, My Documents, etc? I'm also not really sure how I can make my program delete itself upon detection; maybe I should start a new thread for that after I figure this out.

Thanks in advance

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papanyquiL

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Sep 18th, 2009

Re: File Search for Application Protection

Why would you want your application to delete itself?

DdoubleD

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Posting Shark

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Sep 18th, 2009

Re: File Search for Application Protection

This piece of code enumerate on the local drives then gets it root path then search for every exe on you can use SystemFileInfo to handle nested directories...

C# Syntax (Toggle Plain Text)
foreach (System.IO.DriveInfo dirveInfo in System.IO.DriveInfo.GetDrives())
            {
                foreach(System.IO.FileInfo fileInfo in dirveInfo.RootDirectory.GetFiles("*.exe"))
                    ///add the exe in list or handle it as you like
            }
foreach (System.IO.DriveInfo dirveInfo in System.IO.DriveInfo.GetDrives())
            {
                foreach(System.IO.FileInfo fileInfo in dirveInfo.RootDirectory.GetFiles("*.exe"))
                    ///add the exe in list or handle it as you like
            }

Last edited by Ramy Mahrous; Sep 18th, 2009 at 11:21 am.

Ramy Mahrous

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Postaholic

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Sep 18th, 2009

Re: File Search for Application Protection

What are you trying to accomplish here? I only can only think of one type of software that behaves like this.............

Please elaborate

sknake

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Sep 18th, 2009

Re: File Search for Application Protection

Basically I'm adding a few levels of protection scheme. I'm searching all drives for programs like .NET Reflector and some various .NET deobfuscation / debugging tools. When/if these are found my program will delete itself. I have all of this ontop of a custom serial algorithm based on Genetics and Sudoku(LOL). Of course, if this were commercial software I would never go through that much trouble, but it's for a class I'm in to help demonstrate security vulnerabilities.

papanyquiL

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Sep 18th, 2009

Re: File Search for Application Protection

I still don't understand, but to search an entire drive for a file is not difficult to do:

C# Syntax (Toggle Plain Text)
            DirectoryInfo di = new DirectoryInfo(@"c:\");
            FileInfo[] finfos = di.GetFiles("*.exe", SearchOption.AllDirectories);
            foreach (FileInfo fi in finfos)
                ; // do something with the file info
            DirectoryInfo di = new DirectoryInfo(@"c:\");
            FileInfo[] finfos = di.GetFiles("*.exe", SearchOption.AllDirectories);
            foreach (FileInfo fi in finfos)
                ; // do something with the file info

DdoubleD

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Posting Shark

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Sep 18th, 2009

Re: File Search for Application Protection

Something I begun to note is most of askers ignore my reply... and even don't comment, what does it mean????!!!
@papanyquiL didn't you see my reply?? or I should clarify?? or you aren't satisfied with the code??

Last edited by Ramy Mahrous; Sep 18th, 2009 at 4:08 pm.

Ramy Mahrous

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Sep 19th, 2009

Re: File Search for Application Protection

Click to Expand / Collapse Quote originally posted by Ramy Mahrous ...

Something I begun to note is most of askers ignore my reply... and even don't comment, what does it mean????!!!
@papanyquiL didn't you see my reply?? or I should clarify?? or you aren't satisfied with the code??

Yes Ramy I saw your reply and it worked fine. I just forgot to mark this thread as solved because I was answering some other questions. Thanks for the help everyone

papanyquiL

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