A Logic Bomb is a piece of often-malicious code that is intentionally inserted into software. … This makes their presence undetected until it executes their function, which can range from inflicting harm through files deletion to self-propagation to the unusual, in the case of a 2019 attack by a software vendor.
Is logic bomb a malware?
Logic bombs are small bits of code contained in other programs. Although they might be malicious, they’re not technically malware — it’s a fine line. Common types of malware include viruses and worms, which can contain logic bombs as part of their attack strategy.
What activates a logic bomb?
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).
What is a logic bomb Mcq?
Logic Bombs are all programs that trigger by a timer. True. False. Logic Bombs are viruses.
How does a multipartite virus work?
A multipartite virus is defined as a virus that infects your boot sector as well as files. The area of the hard drive that is accessed when the computer is first turned on. Can infect floppy disks.
What is logic bomb explain with example?
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.
Is Macro A virus?
A macro virus is a computer virus written in the same macro language as the software it infects — common victims include Microsoft Excel and Word. Because they target software rather than systems, macro viruses can infect any operating system. So a macro virus can infect a PC or Mac.
Can Trojan horse be used as a spyware?
Spyware and Trojan horse programs can be even more dangerous. They are both forms of malicious software also called malware. Spyware is software that is installed on your computer either directly or inadvertently. … A Trojan horse program is similar to spyware except that it is packaged as another program.
What is trap door virus?
A trap door is kind of a secret entry point into a program that allows anyone gain access to any system without going through the usual security access procedures. … Programmers use Trap door legally to debug and test programs. Trap doors turns to threats when any dishonest programmers to gain illegal access.
How does virus worms and logic bomb differs from each other in terms of impact or damage?
A computer worm spreads like a virus but is an independent program rather than hidden inside another program. A logic bomb is a program normally hidden deep in the main computer and set to activate at some point in the future, destroying data.
Why is it difficult to prevent a logic bomb?
Logic bombs are hard to prevent due to the reason that they can be deployed from anywhere. … By limiting employee access to specific files and folders, a potential attacker will be exposed to carry out the logic bomb deployment and this may prevent the subject to carry out the attack.
How do logic bombs and worms work?
How do logic bombs and worms work? Logic bombs execute when a certain set of conditions is met and are spread when infected files are passed from user to user, whereas worms run independently of host file execution and are much more active in spreading themselves.
When a logic bomb is activated by a time related event it is known as * virus Trojan horse time related bomb Sequence Time Bomb?
When a logic bomb is activated by a time-related event, it is known as a: Time-related bomb sequence.
What does virus stand for in computer?
The full meaning of the virus is Vital Information Resources Under Siege.
When was the first computer virus created?
The first computer virus, called Creeper system, was an experimental self-replicating virus released in 1971. It was filling up the hard drive until a computer could not operate any further.
Who created the multipartite virus?
The virus was discovered in October 1989, by Friðrik Skúlason. The virus is capable of infecting both executable . COM-files and boot sectors. The virus was written up based on code from two different viruses. … Ghostball (computer virus)
| Original author(s) | Unknown |
|---|---|
| Type | Computer virus, malware, multipartite virus, file virus, boot virus |
What are the examples of multipartite virus?
Specific reassortants were shown or suggested to have a higher fitness in segmented and multipartite viruses of animals and plants, such as, for example, Influenza virus, Bluetongue virus, Tomato spotted wilt virus, Cucumber mosaic virus, and several nanoviruses [31,33–39].
How does polymorphic virus spread?
Polymorphic viruses are usually spread using standard cyberattack techniques including spam, phishing emails, infected websites or other malware. Some of the more notorious polymorphic viruses include Ursnif (also known as Gozi), a banking Trojan; Vobfus, a Windows worm virus; and Bagle, an email worm.
Which of the following describes a logic bomb?
Which of the following describes a logic bomb? A program that performs a malicious activity at a specific time or after a triggering event. A logic bomb is a program that performs a malicious activity at a specific time or after a triggering event. Logic bombs can be planted by a virus, a Trojan horse, or an intruder.
What does Time Bomb mean?
1 : a bomb so made as to explode at a predetermined time. 2 : something with a potentially dangerous or detrimental delayed reaction. Synonyms Example Sentences Learn More About time bomb.
What is the meaning of the term logic bomb quizlet?
What is the meaning of the term logic bomb? a malicious program that hides itself in a legitimate program.
Can .DOC files contain macros?
Only documents with a file extension ending with “m” — that’s . docm, . xlsm, and . pptm — are allowed to contain macros.
Can .doc contain virus?
Use caution when downloading documents and templates attached to emails. They might contain macros-related viruses, which are designed to infect files like Microsoft Word documents.
What is over write virus?
Overwrite viruses. Some viruses are designed specifically to destroy a file or application’s data. After infecting a system, an overwrite virus begins overwriting files with its own code. These viruses can target specific files or applications or systematically overwrite all files on an infected device.
What is the most damaging computer virus?
MyDoom. MyDoom is considered to be the most damaging virus ever released—and with a name like MyDoom would you expect anything less? MyDoom, like ILOVEYOU, is a record-holder and was the fastest-spreading email-based worm ever.
WHO released the first PC virus?
The first IBM PC virus in the wild was a boot sector virus dubbed (c)Brain, created in 1986 by Amjad Farooq Alvi and Basit Farooq Alvi in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written.
Do Trojan horses carry viruses or worms?
Blaster Worm., the worm has been designed to tunnel into your system and allow malicious users to control your computer remotely. A Trojan horse is not a virus. It is a destructive program that looks as a genuine application. Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive.
What is Trojan Horse Geeksforgeeks?
The name of the Trojan Horse is taken from a classical story of the Trojan War. It is a code that is malicious in nature and has the capacity to take control of the computer. It is designed to steal, damage, or some harmful actions in the computer.
What is Trojan Horse in OS?
A Trojan horse, or Trojan, is a type of malicious code or software that looks legitimate but can take control of your computer. A Trojan is designed to damage, disrupt, steal, or in general inflict some other harmful action on your data or network.
What is trapdoor backdoor?
Also called a manhole or trapdoor, a backdoor is a concealed means of bypassing security to gain access to a restricted part of a computer system. For example, a programmer may insert a piece of code that would allow them access to a computer or secure area using a password that only they know.
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