Malicious Software

  • 10.1 What are three broad mechanisms that malware can use to propagate?
     
  •  10.2 What are four broad categories of payloads that malware may carry?
     
  •  10.3 What are typical phases of operation of a virus or worm?
     
  •  10.4 What mechanisms can a virus use to conceal itself?
     
  •  10.5 What is the difference between machine-executable and macro viruses?
     
  •  10.6 What means can a worm use to access remote systems to propagate?
     
  •  10.7 What is a “drive-by-download” and how does it differ from a worm?
     
  •  10.8 What is a “logic bomb”?
     
  • 10.9 Differentiate among the following: a backdoor, a bot, a keylogger, spyware, and a rootkit? Can they all be present in the same malware?
     
  •  10.10 List some of the different levels in a system that a rootkit may use.
     
  •  10.11 Describe some malware countermeasure elements.
     
  •  10.12 List three places malware mitigation mechanisms may be located.
     
  •  10.13 Briefly describe the four generations of antivirus software.
     
  •  10.14 How does behavior-blocking software work?
     
  •  10.15 What is a distributed denial-of-service system?
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