Early days of viruses included development of basic viruses. At that time malware spread only by some form of transport agent, such as a floppy disk and then email. As time passed, with the wide spread use of the internet and email expanding in businesses and homes, we began to see some significant damage done by viruses and worms.
- [Instructor] Early days of viruses included…development of primitive viruses in the 70s, 80s, and 90s.…These viruses caused some system instability…and unpredictable behavior.…However, encrypting viruses along with…polymorphic behavior soon started to develop.…At that time, malware spread only by some form…of a transport agent, such as a floppy disk and then email.…That is, once email systems became capable…of accepting and sending attachments.…
Wide-scale damage didn't appear until the late 1990s,…when the first worm appeared.…And then shortly after that,…with the widespread use of the Internet and email…expanding into businesses and homes,…we began to see some significant damage…done by viruses and worms.…Historically, let's take a look at some well-known worms.…In 1999, the Happy99 worm attached itself to an email.…
And then when triggered, Happy99 modified Outlook Express…and Internet Explorer system files…all while wishing the viewer a Happy New Year '99,…while displaying fireworks.…In 2000, the iloveyou virus, or love letter,…
Learn more about the Certified Ethical Hacking exam and the benefits of certification at https://www.eccouncil.org/programs/certified-ethical-hacker-ceh/.
- Understanding viruses and worms
- Recognizing a virus attack
- Identifying different virus types
- Creating a simple virus
- Analyzing malware
- Countering malware