What are the types of logic bombs?
The conditions that trigger a logic bomb can be categorized as positive or negative. Logic bombs with positive triggers detonate after a condition is met, such as when you open a particular file. Negative triggers launch a logic bomb when a condition is not met, such as when the bomb isn’t deactivated in time.
What is an example of a logic bomb?
A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.
What is a logic bomb virus?
A logic bomb is a malicious program that is triggered when a logical condition is met, such as after a number of transactions have been processed, or on a specific date (also called a time bomb). Malware such as worms often contain logic bombs, behaving in one manner, then changing tactics on a specific date and time.
What is the most common type of activity that activates the logic bomb virus?
A Logic Bomb is a piece of often-malicious code that is intentionally inserted into software. It is activated upon the host network only when certain conditions are met. Logic bombs execute their functions, or launch their payload, once a certain condition is met such as upon the termination of an employee.
What are the types of computer virus?
Types of Computer Viruses
- Direct Action Virus. When a user executes a seemingly harmless file attached with malicious code, direct action viruses deliver a payload immediately.
- Polymorphic Virus.
- File Infector Virus.
- Multipartite Virus.
- Macro Virus.
What are time bombs and logic bombs?
A Time Bomb is a Logic Bomb, the execution of which is triggered on a specific day or time, such as Valentine’s Day or 1st April. Time Bombs and Logic Bombs are malware that are used by attackers for illegitimate purposes.
How do I remove a virus from my computer memory?
Computer virus removal: 8 essential steps
- Get in touch with a service professional.
- Download and install antivirus software.
- Disconnect from the internet.
- Reboot into safe mode.
- Run a full scan, delete the virus or put it in quarantine.
- Delete temporary files and clear browser cache.
- Update your browser and OS.
What is trapdoor virus?
Trap door is the new jargon for Backdoor Programs or Backdoor virus in Software field. A trap door is a secret entry point into a program that allows someone that is aware of the trap door to gain access without going through the usual security access procedures.
What is polymorphic virus?
Polymorphic viruses are complex file infectors that can create modified versions of itself to avoid detection yet retain the same basic routines after every infection. To vary their physical file makeup during each infection, polymorphic viruses encrypt their codes and use different encryption keys every time.
What is multipartite virus?
Multipartite is a class of virus that have segmented nucleic acid genomes, with each segment of the genome enclosed in a separate viral particle. Only a few ssDNA viruses have multipartite genomes, but a lot more RNA viruses have multipartite genomes.
What is script virus?