Fundamentals of InfoSecintermediate
Arrange these typical virus events in the order described in the material.
Answer
The virus is introduced through an infected file or device, The host file is run and the virus code executes, The virus copies itself to other files, folders, or systems, The payload performs its intended malicious action.
Explanation
### The order
1. **The virus is introduced through an infected file or device.** Infection must occur before the code can run on the system.
2. **The host file is run and the virus code executes.** Execution activates the code and may begin the next stages.
3. **The virus copies itself to other files, folders, or systems.** Replication creates further infections.
4. **The payload performs its intended malicious action.** The harmful action may occur after replication or when a trigger condition is met.
### The concept
The sequence is a useful model, not a guarantee that every virus behaves identically. Some viruses wait for a trigger, and real malware may combine or repeat stages.
### Terms
- **Host file**: A legitimate or ordinary file to which a virus is attached.
- **Payload**: The harmful action performed by malware.
### Remember
Infection and execution precede replication and payload activity in the model given here.
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