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Av Search Engine Pseudocode

pseudocode

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#1 Tonchi

Tonchi

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Posted 30 May 2012 - 06:43 AM

Hy, I want to understand Search Engine better so I'm providing here my opinion how I see search engine. I saw ClamAV's search engine but I didn't understand it so well.

Here is the pseudocode of how I see search engine:

	 open text document with hash signatures //MD5, SHA1, SHA256 or some other hashing file
	 foreach string line in document:
		  foreach list in pre_list:   //pre_list is a list with all files and documents on computer
			    if (line == list):
				    check = true	  //check is a bool value for checking if virus has been found
				    print 'Suspicious software is found'
	  if check == false:
		  print 'There is no suspicious software on your computer'

I know if I search computer by processes that it could be a hole in a program because virus makers can rename their viruses and it would provide passing the scan process. I saw too that MD5 is broken hash so it is not reliable way. What do you suggest??? How to make dynamic allocation which will contain all files and documents on someones computer (C, unmanaged C++, managed C++ or C#)? Is there any tutorial for AV begginers that shows primitive principles of doing search engines?
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