Backdoors
A backdoor (also known as a trap door or wormhole) in a computer system is a method of bypassing normal authentication, securing remote access to a computer, obtaining access to plaintext while attempting to remain undetected. This backdoor may take the form of an installed program (e.g. Back Orifice) or could be a modification to an existing program or hardware device.
A backdoor in a login system might take the form of a hard coded user and password combination which gives access to the system. It should be stated, however, that the motivation for such holes in the security of a system is not always sinister; some operating systems, for example, come out of the box with privileged accounts intended for use by field service technicians or the vendor’s maintenance programmers.
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There are currently 802 articles listed on backdoors.
| Name | Threat Level | Detection Count | Date |
|---|---|---|---|
| Backdoor:Win32/IRCbot.gen!M |
 6/10 |
561 | December 24, 2010 |
| Backdoor:Win32/IRCbot.gen!Y | October 8, 2012 | ||
| Backdoor:Win32/IRCbot.GX |
6/10 |
0 | October 16, 2012 |
| Backdoor:Win32/Kanav.D |
6/10 |
0 | November 20, 2012 |
| Backdoor:Win32/Kelihos.A |
6/10 |
0 | January 3, 2011 |
| Backdoor:Win32/Likseput.B |
 1/10 |
9,461 | September 14, 2011 |
| Backdoor:Win32/Losfondup.B |
6/10 |
0 | February 7, 2013 |
| Backdoor:Win32/Noancooe |
6/10 |
79 | October 16, 2015 |
| Backdoor:Win32/Nosrawec.C |
6/10 |
0 | November 6, 2012 |
| Backdoor:Win32/PcClient.ZR |
6/10 |
0 | May 3, 2013 |
| Backdoor:Win32/Phdet.gen!A |
6/10 |
0 | April 4, 2011 |
| Backdoor:Win32/Plugx.K |
 8/10 |
2 | September 19, 2014 |
| Backdoor:Win32/Poison.E |
6/10 |
0 | March 21, 2013 |
| Backdoor:Win32/Poison.M | November 9, 2009 | ||
| Backdoor:Win32/Poisonivy.I |
8/10 |
0 | November 25, 2009 |
| Backdoor:Win32/Qakbot!lnk |
6/10 |
0 | March 5, 2013 |
| Backdoor:Win32/RDPopen |
6/10 |
485 | January 14, 2013 |
| Backdoor:Win32/Sinda |
 9/10 |
0 | September 22, 2011 |
| Backdoor:Win32/Smadow | August 16, 2011 | ||
| Backdoor:Win32/Talsab.C |
6/10 |
0 | November 6, 2012 |
| Backdoor:Win32/Trubsil.B |
6/10 |
0 | August 14, 2013 |
| Backdoor:Win32/Vawtrak.A |
6/10 |
5 | May 22, 2013 |
| Backdoor:Win32/Votwup.B | July 11, 2011 | ||
| Backdoor:Win32/Xtrat.A |
6/10 |
0 | November 1, 2011 |
| Backdoor:Win32/Zegost.B |
6/10 |
9 | June 26, 2013 |
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