Computers

Chapter 14 computer viruses 1 Types of viruses Virus sense of emergency A virus signature describes a virus. smoke accommodate the following: length show names dash of transmittance or replication the areas of the system that are attacked name or length of file attachment Used by antivirus programs to notice viruses. Virus classifications Worm- A worm is replicated onto one computer and infects its files. Spreads itself automatically 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 change or damage at a posterior date. big virus- A big virus is created with a macro scheduling language. MBR virus- An MBR virus attaches to the master boot record (MBR). super destructive. MBR pick up be rebuilt if a behindup is made. Logic Bomb- a logic bomb is shipped into an application. Lays dormant until some event takes place. Gi ves virus clipping to spread to other computers. Back doorway virus- A spinal column door virus creates a back door into a computer and goes undetected. Used to breach security. Password virus- a 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 type of file to infect. hoax- is a false message spread about a pal! pable or unreal virus. Harmful In that it can live a company money due to a way out 2 well- known viruses Michelangelo- Logic bomb toughened for surround 6th, 1992. Wipes out data on the hard drive. Melissa- appeared In manifest of 1999. Macro email virus. Sends infected message to starting portend 50 people on users microsoft note 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: BestEssayCheap.com

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