computer viruses--luyan2009

Upload: lvyanbill

Post on 30-May-2018

226 views

Category:

Documents


0 download

TRANSCRIPT

  • 8/14/2019 computer viruses--luyan2009

    1/15

    The major virus in IThistory

    Bill

  • 8/14/2019 computer viruses--luyan2009

    2/15

  • 8/14/2019 computer viruses--luyan2009

    3/15

    Brain 1986 1`the first viruses to attackMicrosoft's popular operating systemDOS.

    2` 360K floppy disks can be

    infected with a virus infection, thevirus will fill a floppy disk full ofunused space, which led to it can nolonger be used.

  • 8/14/2019 computer viruses--luyan2009

    4/15

    Morris 1988 1`use the weaknesses of the system to

    carry out the invasion,.2`the designed original purpose is not

    to sabotage, but used to measure the size ofthe network. However, because theprocedure does not deal with the cycle, we

    will continue with the implementation of thecomputer, copy Morris, ultimately lead todeath.

  • 8/14/2019 computer viruses--luyan2009

    5/15

    CI H 1998 1` by far the most serious virus, but also the world's

    first undermine hardware virus. It attacks not only

    undermine the hard disk boot sector and partition table,and the destruction of the computer system BIOS, resultingin damage to the motherboard.

    2`This virus is transmitted by the Taiwan collegestudents developed by Ying-hao, who said to develop thisvirus to commemorate the disaster in 1986 , so

    embarrassing anti-virus software.

  • 8/14/2019 computer viruses--luyan2009

    6/15

    Melissa 1999 1`one of the first virus spread

    via e-mail , when a user opens an e-mail attachments, the virus will beautomatically sent to the usersaddress book in the first 50addresses, so the virus within a few

    hours around the globe

  • 8/14/2019 computer viruses--luyan2009

    7/15

    Love bug 2000 1` has spread through e-mail around, it makes use

    of human nature, their courtship disguised as an openletter to deceive the recipient.

    2`The spread of the virus in its speed and scopemakes security experts so surprised. Within a few hours,this small computer program conquers the whole worldwithin the scope of the computer system.

  • 8/14/2019 computer viruses--luyan2009

    8/15

    Code Red 2001 1`the most expensive in the history of

    computer viruses, the self-replicating maliciouscode "Code Red" to use the Microsoft IIS server ina loophole.

    2` The worm has a more sinister versionknown as Code Red II. In addition to these twoviruses can be modified on the site, the infectedsystem performance will seriously decrease.

  • 8/14/2019 computer viruses--luyan2009

    9/15

    Shock wave 2003 1` is the English name of the virusBlaster, also known as Lovsan or Lovesan,it makes use of a Microsoft software defecton the system ,crazy attack leads tosystem crashes.

  • 8/14/2019 computer viruses--luyan2009

    10/15

    Sasse r 2004 1` another use of defects in the

    Windows worm, Sasser can causecomputer crashes and constantly re-starting.

  • 8/14/2019 computer viruses--luyan2009

    11/15

    Panda bu rn in g in ce nse 2007 1` all the program icons will become Pandaburning incense, and they can not be applied.

  • 8/14/2019 computer viruses--luyan2009

    12/15

    Blast wave(2008) 1`like the shock waveand Sasser , is also a use ofloopholes in the procedurefrom network intrusion.

    2`And during blackcase, a large number ofusers turn off automaticupdates, this isexacerbated by the spreadof the virus.

    3`The virus can leadto an attacker completelycontrol the machine .

  • 8/14/2019 computer viruses--luyan2009

    13/15

    MareDownloader(2009) 1`The new virus ,after the infection , willproduce ranging from1000 to 2000 Trojan

    viruses, resulting insystem crash.

    2`In three days ,into360 security guards to killthe first top three (nowtop)

  • 8/14/2019 computer viruses--luyan2009

    14/15

    Nimda 1` in the history of the spreadingvirus, is one of the fastest, onlineafter 22 minutes , becomes the mostwidely spreading virus.

  • 8/14/2019 computer viruses--luyan2009

    15/15

    Co nfick er 1`In March 2009, the virus should has spread toa large number, and then, in the April 1,implemented a global attack, causing a globalcatastrophe.

    2`However, this virus, in fact, did not cause anydamage.