Threats And Vulnerabilities (10 Virus Types) Flashcards
Boot sector virus
Stored on the first sector of the hard drive and loaded upon boot
Macro virus
A virus Embedded into a document
Program virus
Infect executables and applications
Multipartite virus
Combines boot and program viruses
Attaches to boot files and then infects other files
Encryption virus
Uses a cipher to encrypt itself to avoid detection
Polymorphic virus
Advanced encrypted virus that changes its code each time by altering the decryption module
Metamorphic virus
Viruses that rewrite themselves entirely
Stealth virus
Encrypted, polymorphic, metamorphic
Are all stealth viruses
Armored virus
Has a layer of protection to confuse a person or program from analyzing it
Hoax
Trying to trick someone to infect their own computer
Worm
Self replicating virus WITHOUT user interaction
Spread really far and fast
Trojan
Disguises itself as a harmless piece of software
RAT
Remote access Trojan
Rootkit
Software designed to gain admin level control over a system
DLL injection
Dynamic link library (rootkit)
Inserted into a running process on a windows machine by using DLLs that are loaded at runtime