Computers

Chapter 14 computer viruses 1 Types of viruses Virus sense of raise up A virus signature describes a virus. terminate imply the following: length show names dash of transmission or replication the areas of the system that are attacked name or length of file attachment Used by antivirus programs to receive viruses. Virus classifications Worm- A worm is replicated onto one computer and infects its files. Spreads itself mechanically to new(prenominal) computers without prompting from the user. Trojan horse- appears as a free gift, such(prenominal) as a free download. Activates when opened. Can cause flying deterioration or damage at a posterior date. big virus- A big virus is created with a macro computer programming language. MBR virus- An MBR virus attaches to the master boot record (MBR). super destructive. MBR discover be rebuilt if a fannyup is made. Logic Bomb- a logical system bomb is shipped into an application. Lays dormant until some event takes place. Gives virus clock time to spread to other computers. Back doorway virus- A seat door virus creates a back door into a computer and goes undetected. Used to breach security. Password virus- a rallying cry virus is designed to breach security care the back door virus. Steals passwords. Sometimes used in crew with a back door virus. Stealth virus- hides from normal detection.

Incorporates itself into sectionalization of a known, typically required, program. Difficult to acquire its signature. Polymorphic virus- changes as it evolves. Can randomly change its program length, location, and t ype of file to infect. hoax- is a false mes! sage spread about a true or unreal virus. Harmful In that it can live a company money due to a detriment 2 well- known viruses Michelangelo- Logic bomb toughened for shew 6th, 1992. Wipes out data on the hard drive. Melissa- appeared In environ of 1999. Macro email virus. Sends infected message to starting indication 50 people on users microsoft manifestation post mail list. Could send any document from your PC. I honor you- attaches file name: Love-letter-for-you.txt.vbs....If you want to get a all-inclusive essay, order it on our website: OrderCustomPaper.com

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