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Batch Crypting Method: Junkcode

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1 Batch Crypting Method: Junkcode on Fri Jan 14, 2011 12:42 am

Ironside

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Hello, I will present my 1st tutorial on this site, will update with more ways over time.

Antivirus programs will scan your batch file only the 1st 1024 kb.
So what we need to do is add random code that either does nothing, or are vaild commands but aren't detected by antivirus programs.

Do notice that you could easily make a program that would crypt it for you.

Later I will probably create the batch crypter and update the post.

Thank you for reading.

http://computertech.createmybb3.com

2 Re: Batch Crypting Method: Junkcode on Fri Jan 14, 2011 11:30 am

-xPloit

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another thing you could do is add junk code in between every legit line of code you have. The AV will be confused about what the code is doing and therefore, it will declare it clean, lol


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3 Re: Batch Crypting Method: Junkcode on Fri Jan 14, 2011 11:35 am

D4rkus

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-xPloit wrote:another thing you could do is add junk code in between every legit line of code you have. The AV will be confused about what the code is doing and therefore, it will declare it clean, lol

if the code is long it would be a time consuming encryption method.


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4 Re: Batch Crypting Method: Junkcode on Fri Jan 14, 2011 12:56 pm

-xPloit

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yes, but what is more important: writting it faster or being FUD?


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5 Re: Batch Crypting Method: Junkcode on Fri Jan 14, 2011 2:34 pm

Ironside

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Currently no antivirus scans batch files for more than 1024 kb.
So doing anything else is not needed.

http://computertech.createmybb3.com

6 Re: Batch Crypting Method: Junkcode on Fri Jan 14, 2011 5:42 pm

-xPloit

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I believe that changes during runtime though


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7 Re: Batch Crypting Method: Junkcode on Sat Jan 15, 2011 1:29 am

Ironside

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Never happened to me before, coded lots of batch viruses, none was ever detected on neither my computer neither novirusthanks.org when I added junkcode.

http://computertech.createmybb3.com

8 Re: Batch Crypting Method: Junkcode on Sun Jan 16, 2011 5:41 pm

-xPloit

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NVT is scantime.

and did you run the viruses? (if not, then this was also scantime)


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