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 821 articles listed on backdoors.
| Name | Threat Level | Detection Count | Date |
|---|---|---|---|
| Troj/Backdr-HN |
 8/10 |
32 | October 12, 2012 |
| Troj/BckR2D2-A |
 9/10 |
149 | October 10, 2011 |
| Troj/FlsplyBD-A |
 6/10 |
0 | April 30, 2012 |
| Troj/Kaiten |
8/10 |
0 | October 26, 2011 |
| Troj/Protux-Gen | September 4, 2009 | ||
| Troj/VB-FRI |
 5/10 |
8 | December 6, 2011 |
| Trojan backdoor.11.Win32.xnco | August 4, 2011 | ||
| Trojan-PWS.Win32.LdPinch | June 2, 2011 | ||
| Trojan-Spy.Goldun.btz | March 1, 2011 | ||
| Trojan.Agent.ATWK |
8/10 |
36 | January 25, 2012 |
| Trojan.Apmod | May 26, 2011 | ||
| Trojan.Banksun | May 20, 2011 | ||
| Trojan.fakems |
8/10 |
729,096 | February 23, 2011 |
| Trojan.Mailfinder.A!ct | February 18, 2011 | ||
| Trojan.Patched!sd5 | June 30, 2011 | ||
| Trojan.Ransomlock!gen4 |
9/10 |
0 | November 2, 2011 |
| Trojan.Spy.YEK | November 30, 2010 | ||
| Trojan.Vietak.A |
8/10 |
14 | May 7, 2012 |
| Trojan.Win32.Koutodoor | March 1, 2011 | ||
| Trojan.Win32.Refroso.chsg | March 2, 2011 | ||
| Trojan.Win32.Starter.uc | August 31, 2010 | ||
| Trojan.Win32.Swisyn.aswx | May 3, 2011 | ||
| Trojan.Win32.Zmunik | April 28, 2011 | ||
| Turla Backdoor | May 16, 2019 | ||
| Tyupkin | October 14, 2014 |
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