1873592
Description
Flashcards by julianarojasr, updated more than 1 year ago
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Created by julianarojasr
almost 11 years ago
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| Question | Answer |
| 10. Nimda (2001) | It just took 22 minutes for this dangerous virus to propagate via four different ways – e-mail, server vulnerabilities, shared folders and file transfer. The primary purpose of this virus was to slow down the internet traffic considerably causing a denial-in-service attack. |
| 9. Conficker (2009) | This virus got to fifteen million Microsoft Windows operating systems around the world without human intervention using a patched Windows flaw. Conficker assembled an army of zombies which has the potential to steal financial data and other important information from your system. |
| 8. Storm Worm (2006) | Users began to receive e-mails with a subject line “230 dead as storm batters Europe.” It tricked the victims into clicking the fake links in an e-mail that was infected by the virus which could easily turn any Windows PC into a botnet, letting someone offsite operate it remotely for sending spam mails across the internet. |
| 7. CHI (1998) | Once activated, the virus annihilates the data on the hard disk and overwrites the computer’s Flash BIOS chip, rendering it completely inoperable and unless the chip is reprogrammed the user will not be able to boot the machine at all. It caused $250 million dollars worth of destruction. |
| 6. Melissa (1999) | The virus was distributed as an e-mail attachment and when the attachment “list.doc” is clicked upon, the virus seeks for the Microsoft Outlook address book to e-mail itself to the first 50 names on the list with a message “Here is that document you asked for…don’t show anyone else. ;-)” |
| 5. SQL Slammer (2003) | Was the first fileless worm which rapidly infected more than 75000 vulnerable hosts within10 minutes on 25th January. It dramatically slowed down global internet traffic and brought down South Korea’s online capacity on knees for 12 hours. It generated random IP addresses and discharged the worm to those IP addresses. |
| 4. Code Red (2001) | It did not require you to open an e-mail attachment or run a file; it simply needed an active internet connection with which it defaces the webpage you open and display a text string “Hacked by Chinese!” In less than a week “Code Red” brought down more than 400,000 servers including the White House web server. |
| 3. Sobig F (2003) | It infected computers by fooling the users that the corrupt e-mail they received is from a legitimate source. If the user opens the attachment it exposes a security hole in the system allowing the intruder to send messages. Within 24 hours, Sobig F set a record of replicating more than one million copies of itself. |
| 2. ILOVEYOU (2000) | The bug was transmitted via e-mail having a subject line “ILOVEYOU”. As soon as the file was opened, the virus took the liberty of e-mailing itself to the first 50 contacts present in the Windows address book and also infected the multimedia files saved in the system. |
| 1. My doom (2004) | It infected some two million computers and instigated a huge denial of service attack which smashed the cyber world for sometime. It transmitted itself in a particularly deceitful manner through e-mail as what receiver would first reckon to be a bounced error message as it reads “Mail Transaction Failed.” But, as soon as the message is clicked upon, the attachment is executed and the worm is transferred to e-mail addresses found in user’s address book. |
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