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
Backdoor.Win32.Kbot.s January 11, 2011 February 11, 2011
Backdoor.Win32.Miancha 66/10 0 February 14, 2014
Backdoor.Win32.mIRC-based.k October 29, 2009
Backdoor.Win32.Morix 66/10 0 March 7, 2013
Backdoor.Win32.MoSucker.30.av January 14, 2010 April 15, 2011
Backdoor.Win32.Nihem.fs April 27, 2011
Backdoor.Win32.PcClient.agu April 27, 2011
Backdoor.Win32.PcClient.aguf April 28, 2011
Backdoor.Win32.Phanta.u June 27, 2011
Backdoor.win32.poison.aec 66/10 0 September 12, 2011
Backdoor.Win32.Poison.ajag March 3, 2011
Backdoor.Win32.Poison.apdm December 24, 2009
Backdoor.Win32.Poison.baov December 1, 2009
Backdoor.Win32.Poison.bbsr December 18, 2009
Backdoor.Win32.Poison.bdho January 5, 2010
Backdoor.Win32.Poison.bmhm June 10, 2010
Backdoor.Win32.Poison.bvoy April 4, 2011
Backdoor.Win32.Poison.ckym 66/10 0 September 13, 2011
Backdoor.Win32.Poison.fdb March 11, 2009
Backdoor.Win32.Poison.pgb September 21, 2009
Backdoor.Win32.Popwin November 12, 2009
Backdoor.Win32.Rbot 66/10 0 May 1, 2013
Backdoor.Win32.Rbot.acky March 9, 2011

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