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Computer Virus
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| Term Paper Title | Computer Virus |
| # of Words | 1341 |
| # of Pages (250 words per page double spaced) | 5.36 |
Computer Virus
COMPUTER VIRUSES Cateye WHAT IS A COMPUTER VIRUS: The term usually used to define a computer virus is: ' A computer virus is often malicious software which replicates itself' [ Podell 1987 for similar definition ] - COMPUTER VIRUSES ARE BASICALLY PROGRAMS, LIKE A SPREADSHEET OR A WORD PROCESSOR. - PROGRAMS WHICH CAN INSERT EXECUTABLE COPIES OF ITSELF INTO OTHER PROGRAMS. - PROGRAMS THAT MANIPULATES PROGRAMS, MODIFIES OTHER PROGRAMS AND REPRODUCE ITSELF IN THE PROCESS. Comparing Biological viruses & Computer viruses ************************************************************* * Attack specific * Attack specific * * body cells * programs (*.COM *.EXE) * ************************************************************* * Modify the genetic information * Manipulate the program: * * of a cell other than previous 1* It performs tasks * ************************************************************* * New viruses grow in the * The infected program produces * * infected cell itself * virus programs * ************************************************************* * Infected cells aren't infected * Program are infected only once* * more than once by the same cell* by most programs* ************************************************************* * An infected organism may not * The infected program can work * * exhibit symptoms for a while * without error for a long time * ************************************************************* * Not all cells with which the * Program can be made immune * * virus contact are infected * against certain viruses * ************************************************************* * Viruses can mutate and thus * Virus program can modify * * cannot be clearly told apart * themselves & possibly escape * * * detection this way * ************************************************************* However, " computer virus " is just another name for a class of programs. They can do anything that another program can. The only distinguishing characteristic is the program has ability to reproduce and infect other programs. WHAT KIND OF PROGRAM ARE CHARACTERIZED AS A VIRUS PROGRAM: - PROGRAM WHICH HAS CAPABILITY TO EXECUTE THE MODIFICATION ON A NUMBER OF PROGRAMS. - CAPABILITY TO RECOGNIZE A MODIFICATION PERFORMED ON A PROGRAM.(THE ABILITY TO PREVENT FURTHER MODIFICATION OF THE SAME PROGRAM UPON SUCH RECONDITION.) - MODIFIED SOFTWARE ASSUME ATTRIBUTES 1 TO 4. HOW DOES A VIRUS SPREAD: A computer virus can only be put into your system e...This is not the end of the termpaper! Register below to see the complete version of this term paper.
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