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Topic: Backdoor

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	Backdoor - Wikipedia, the free encyclopedia
		A backdoor in a computer system (or cryptosystem or algorithm) is a method of bypassing normal authentication or securing remote access to a computer, while attempting to remain hidden from casual inspection.
		The notion of an asymmetric backdoor was introduced by A. Young and M. Yung in the proceedings of Advances in Cryptology---Crypto '96.
		The theory of asymmetric backdoors are part of a greater field known as cryptovirology.
	en.wikipedia.org /wiki/Backdoor (1016 words)

	Backdoor (disambiguation) - Wikipedia, the free encyclopedia
		In computing, a backdoor is a hidden method for bypassing normal authentication systems.
		In serialized fiction, a backdoor is a writing technique in which the writer provides a possible solution to reverse any potentially unpopular decision that's currently being done (such as killing off a popular recurring character).
		In Jazz Music Theory, a Backdoor Progression is a characteristic harmonic device found in many Jazz Standards.
	en.wikipedia.org /wiki/Backdoor_(disambiguation) (252 words)

	F-Secure Computer Virus Information Pages: Backdoor
		Usually a backdoor is a standalone file that installs itself to system and then remains active there listening to specific network ports for specific commands.
		After a backdoor is installed, it starts to listen to certain network ports for specific commands coming from a client part.
		A client part of a backdoor is used to control a server part that is installed on a victim's computer.
	www.f-secure.com /v-descs/backdoor.shtml (872 words)

	Backdoor Draws (Site not responding. Last check: 2007-10-06)
		You have a backdoor heart-flush draw since both the turn and river cards must be hearts for you to make a flush.
		Yet, despite the difficulty in making a backdoor draw, there are situations in holdâem in which having the backdoor draw turns a fold into a call.
		On the other hand, some players use a backdoor draw as an excuse to continue with a hand that should be folded.
	www.cardplayer.com /poker_magazine/archives/showarticle.php?a_id=12740&m_id=39 (2439 words)

	Virus Information - Backdoor.G_Door.20 (Site not responding. Last check: 2007-10-06)
		The backdoor server is installed on victim computers, and the client controls them from a remote station.
		As a result, the backdoor server-removal procedure is not a simple problem: it is impossible to remove or rename the KERNEL32.EXE backdoor server file (it is active and locked by the system); the registry keys are controlled by the server (this makes it impossible to reboot the system with a "clear" registry).
		Under Win9x, to get rid of this backdoor, it is possible to boot a computer in DOS mode and remove the KERNEL32.EXE file from the Windows system directory, and after booting Windows, it is necessary to remove references to this file in the system registry.
	www.viruslibrary.com /virusinfo/Backdoor.G_Door.20.htm (412 words)

	Backdoor.Asylum
		Another common vector is when the attacker simply e-mails the trojan to the user along with a social engineering hack that convinces the user to run it against their better judgment.
		Backdoor: A secret or undocumented means of getting into a computer system, or software that uses such a means to penetrate a system.
		Software that is classified as a "backdoor" is designed to exploit a vulnerability in a system, and open it to future access by an attacker.
	www.pestpatrol.com /pest_info/Stomp/b/backdoor_asylum.asp (346 words)

	Backdoor.Hacdef.b - CyberScrub AntiVirus 1.0 FAQ
		In order to install the backdoor on the system, this Trojan requires a configuration file (INI) that indicates which files and processes should be hidden, and also gives a password for remote access to the system.
		Once the backdoor is launched, the Trojan extracts the helper library from itself and installs it in the same directory as the backdoor.
		The backdoor installs API hooks in all active memory processes, and changes a large number of system APIs in order to mask its presence in the system.
	www.cyberscrub.com /antivirus/bank/backdoor.html (627 words)

	Backdoor Programs and Remote Access Trojans, Security Management
		You would not be aware of this unforgivable compromise of your security; you would not discern the threat, and hence, you would not modify your behavior or increase the fortifications of your castle.
		Depending on the backdoor program that is being used, it is possible for this “access” to allow a remote attacker to do virtually anything that you can do when sitting in front of your machine.
		Backdoor programs generally consist of two parts: a server and a client.
	www3.ca.com /Solutions/Collateral.asp?CID=37734&ID= (833 words)

	Viruslist.com - Backdoor.Win32.Death.18
		Backdoor Death has three components: server, client and a utility used to set up server components.
		This utility lets the hacker(s) controlling the backdoor Trojan to configure the server according to their requirements - for example they can: change the file server name, register in the system, make server icons, send email with stolen passwords, alter firewall settings (if victim computers have one installed), and more.
		Upon sever boot the backdoor code is copied to the system directory according the settings determined by the set-up utility.
	www.viruslist.com /en/viruslist.html?id=51825&ipcountry=US (379 words)

	Linux kernel backdoor blocked \| The Register
		Software developers on Wednesday detected and thwarted a hacker's scheme to submerge a slick backdoor in the next version of the Linux kernel, but security experts say the abortive caper proves that extremely subtle source code tampering is more than just the stuff of paranoid speculation.
		That difference between what the code looks like and what it actually is - that is, between assignment and comparison - is a matter of a single equal sign in the C programming language, making it easy to overlook.
		But Loveless says the hack is a glimpse of a more sophisticated computer underground than is normally talked about, and fuel for speculation that backdoors in software products are far more common than imagined.
	www.theregister.co.uk /2003/11/07/linux_kernel_backdoor_blocked (710 words)

	F-Secure Computer Virus Information Pages: SubSeven
		First samples of this backdoor were not packed, but later some packed versions appeared which were not easy to detect with contemporary anti-virus programs that had no Win32 'Aspack' file compressor unpacking support.
		The backdoor is usually distributed under different names via newsgroups and e-mails.
		If the SubSeven backdoor task is being active in the memory (and invisible in Task Manager), it looks for TCP/IP connections and if they are established it listens to TCP/IP ports for commands from a client part.
	www.f-secure.com /v-descs/subseven.shtml (667 words)

	BackDoor-FB.svr.gen
		This ensures the backdoor is executed upon system startup, at which point it goes memory resident, and the machine is rendered vulnerable.
		This is where the backdoor command file resides.
		This backdoor is dropped into the Startup folder within a user's profile when the W32/Myparty@MM virus is executed upon an NT (NT/2000/XP) machine.
	vil.nai.com /vil/content/v_99333.htm (320 words)

	Backdoor program gets backdoored
		The program in question is Optix Pro (Backdoor.OptixPro.12), a full-featured backdoor that allows an intruder to easily control a compromised Windows machine remotely, from accessing or changing files, to capturing a user's keystrokes or spying on a victim through their webcam.
		Merely writing a backdoor program is not illegal under U.S. federal law, but arrests have been made in other countries, most recently Germany and Taiwan.
		In a disclaimer evocative of advisories from more mainstream software vendors, Sleaze pointed out in his posting that the backdoor password in circulation only works on an older, unsupported versions of the Trojan horse, and that the latest version of Optix Pro uses stronger encryption to protect a different master password.
	www.securityfocus.com /news/8893 (626 words)

	SecurityTracker.com Archives - WHM AutoPilot Backdoor Discloses Authentication Credentials to Remote Users
		In the client login page (/clogin.php) there is a built in backdoor for administrators to login as standard user accounts.
		The backdoor code needing to be removed is the following: if (isset($c)) { $c=clogin_d(base64_decode($c)); $query="select "; $query.="username, "; $query.="password "; $query.="from "; $query.="user "; $query.="where "; $query.="uid='".addslashes(trim($c))."' "; $query.="limit 0, 1"; $rs=mysql_fetch_row(mysql_query($query)); $username=$rs[0]; $password=clogin_d(base64_decode($rs[1])); } On version 2.4.5, this code is from line 77 to line 94.
		An alternative workaround would be to use another vendor, that doesn't put backdoors in their code.
	www.securitytracker.com /alerts/2004/Aug/1010833.html (1043 words)

	Neowin.net - Where unprofessional journalism looks better - New backdoor program uses Sony rootkit
		Today a backdoor program which utilizes the rootkit technology was detected.
		The backdoor was mass mailed using spamming technologies, and attached to a message which uses classic social engineering techniques to entice the recipient into launching the attachment.
		Of course, the backdoor's activity will only be hidden if DRM protection, as used on some Sony Audio CDs, functions on the victim machine.
	neowin.net /comments.php?id=31395&category=main (491 words)

	'Windows backdoor' theory causes kerfuffle \| News.blog \| CNET News.com (Site not responding. Last check: 2007-10-06)
		The recent security problem regarding the rendering of Windows Meta File images was so bizarre that it has to be an intentional backdoor in the operating system, Steve Gibson said in a podcast posted Thursday.
		A backdoor is a method of bypassing normal authentication to gain access to a computer unbeknownst to the PC user..
		But Gibson appears to be alone in his thinking that the WMF issue is a backdoor deliberately created by Microsoft.
	news.com.com /2061-10789_3-6027130.html (777 words)

	BKDR_BREPLIBOT.C - Description and solution (Site not responding. Last check: 2007-10-06)
		Upon execution, this backdoor drops a copy of itself in the Windows system folder.
		Notably, this backdoor uses Digital Rights Management (DRM) Software, which is a form of rootkit technology, in an attempt to hide malware-related files, folders, and processes.
		This backdoor creates the mutex, $sys$drv.exe, to ensure that only one instance of itself runs in the affected system's memory.
	www.trendmicro.com /vinfo/virusencyclo/default5.asp?VName=BKDR_BREPLIBOT.C (223 words)

	F-Secure Computer Virus Information Pages: Petala
		Petala backdoor (hacker's remote tool) was first found on 28th of September 2003.
		When the backdoor's file is run, it installs itself to system.
		We believe that the backdoor's author wanted the backdoor to spread through IRC networks, but this functionality was not completed for some reason.
	www.f-secure.com /v-descs/petala.shtml (311 words)

	YAHOO TOWERS BACK DOOR LINKS
		This is a complete list of backdoor links to get into towers when the rooms are full.
		If you dont know what a backdoor is i'll explain.
		It is an entry link that allows you to enter the game rooms when they are full.
	www.angelfire.com /games/towers/backdoor.html (265 words)

	Technorati Tag: Backdoor
		Microsoft niega la petición de un backdoor en...
		Vista won’t get a backdoor 5th March 2006 Windows Vista won’t have a backdoor that could be used by police forces to get into encrypted files...
		Contrary to suspicions that were reported in BBC, Microsoft claims that they will not put a secret government backdoor into their new Vista operating...
	www.technorati.com /tag/Backdoor (514 words)

	Backdoor.VB.h - a² Malware Description
		The term Backdoor describes a specific group of Trojan Horses.
		Backdoors allow attackers full control over the victim's PC.
		The part which is put on the victim's PC and takes control over the PC.
	www.emsisoft.com /en/malware?Backdoor.VB.h (153 words)

	Bush creating 'backdoor draft' by forcing GIs to stay on, Kerry says
		A day after the Army delivered the news to active-duty soldiers and reservists, the presidential candidate raised the specter of the nation inching closer to a draft as he criticized the Bush administration for stretching the military too thin, complicating the mission to create a stable Iraq.
		The Army, struggling to find fresh units to continue the occupation of Iraq, announced Wednesday that thousands of soldiers who had expected to leave the military will be required to stay if their units are ordered to Iraq or Afghanistan.
		Responding to Kerry in a conference call arranged by the Bush campaign, Sen. Mitch McConnell (R-Ky.) dismissed the idea of a backdoor draft as ''absurd.'' Retired Navy Adm. Thomas Morris said Kerry's suggestion is ''an insult to the wonderful volunteer service we have in the military and the wonderful people we have serving.''
	www.suntimes.com /output/elect/cst-nws-kerry041.html (230 words)

	20.1: Shells, SPACs, Reverse Acquisitions and Reverse or "Backdoor" IPOs - Encyclopedia - Library - VC Experts
		20.1: Shells, SPACs, Reverse Acquisitions and Reverse or "Backdoor" IPOs
		Shells, SPACs, Reverse Acquisitions and Reverse or "Backdoor" IPOs: As the search for equity capital for development- stage entities intensifies, so the collective imagination of managers and financial intermediaries swells to meet the challenge.
		An attorney-client relationship does not exist in connection with the non-legal services VC Experts provides.
	vcexperts.com /vce/library/encyclopedia/documents_view.asp?document_id=256 (397 words)

	ISS X-Force Database: phatbot-backdoor(15520): Phatbot backdoor (Site not responding. Last check: 2007-10-06)
		Phatbot, which is derived from Agobot, is a backdoor affecting Microsoft Windows operating systems.
		The backdoor uses a client/server relationship, where the server component is installed in the victim's system and the remote attacker has control of the client.
		If the program detects a backdoor, follow its instructions to disinfect and repair the computer.
	xforce.iss.net /xforce/xfdb/15520 (270 words)

	Updated backdoor program increases danger (Site not responding. Last check: 2007-10-06)
		The SubSeven backdoor, which allows malicious hackers to access and control a user's computer without his or her knowledge, is "one of the highest threats to Windows PCs, especially those running in broadband environments," said Chris Rouland, director of the X-Force research team at computer security firm Internet Security Systems (ISS) in Atlanta.
		Backdoors such as SubSeven and the better-known BackOrifice have a tendency to spread quickly because they are easy for hackers to launch, Rouland said.
		ISS found one strain of SubSeven 2.17 in thousands of computers, and Rouland estimates the total number of infected machines to be in the tens of thousands.
	www.infoworld.com /articles/hn/xml/01/03/14/010314hnbackdoor.html?0314alert (895 words)

	Pocket PC Trojan Backdoor Detected
		According to Kapersky, Brador is a classic Trojan backdoor program, in that it opens the infected machine for remote administration.
		Brador is a small file (less than 6K in size) that typically arrives as an email attachment.
		The author was offering to sell the client part for the Trojan to all interested parties, which means that there is a real chance that the backdoor may be bought by somebody who will use it commercially (bot network creation, for instance).
	www.brighthand.com /article/pocketpc_backdoor (369 words)

	ISS X-Force Database: backdoor-subseven(2245): SubSeven backdoor for Windows (Site not responding. Last check: 2007-10-06)
		SubSeven is a powerful backdoor that is widely used against Windows systems.
		With recent versions, a remote attacker can do anything to a victim's computer that could be done locally.
		The SubSeven backdoor can be very difficult to manually remove, because the executable is difficult to locate and identify on your system.
	xforce.iss.net /xforce/xfdb/2245 (392 words)

	Malware - Wikipedia, the free encyclopedia
		Revenge is sometimes a motive to write malicious software.
		A programmer or system administrator about to be fired from a job may leave behind backdoors or software "time bombs" that will allow them to damage the former employer's systems or destroy their own earlier work.
		However, since the rise of widespread broadband Internet access, a greater portion of malicious software has been focused strictly on a profit motive.
	en.wikipedia.org /wiki/Malware (2470 words)

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