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Back Orifice
Developer(s)
Sir Dystic (cDc)
Stable release
1.20
/ August 3, 1998
Operating system
Microsoft Windows 9x, UNIX-systems (client only)
Type
Remote administration
License
Freeware, (source distribution, UNIX client)
Website
Back Orifice Homepage
Back Orifice (often shortened to BO) is a computer program designed for remote system administration. It enables a user to control a computer running the Microsoft Windows operating system from a remote location.[1] The name is a play on words on Microsoft BackOffice Server software. It can also control multiple computers at the same time using imaging.
Back Orifice has a client–server architecture.[2] A small and unobtrusive server program is on one machine, which is remotely manipulated by a client program with a graphical user interface on another computer system. The two components communicate with one another using the TCP and/or UDP network protocols. In reference to the Leet phenomenon, this program commonly runs on port 31337.[3]
The program debuted at DEF CON 6 on August 1, 1998 and was the brainchild of Sir Dystic, a member of the U.S. hacker organization Cult of the Dead Cow. According to the group, its purpose was to demonstrate the lack of security in Microsoft's Windows 9x series of operating systems.
Although Back Orifice has legitimate purposes, such as remote administration, other factors make it suitable for illicit uses. The server can hide from cursory looks by users of the system. Since the server can be installed without user interaction, it can be distributed as the payload of a Trojan horse.
For those and other reasons, the antivirus industry immediately categorized the tool as malware and appended Back Orifice to their quarantine lists. Despite this fact, it was widely used by script kiddies because of its simple GUI and ease of installation.
Two sequel applications followed it, Back Orifice 2000, released in 1999, and Deep Back Orifice by French Canadian hacking group QHA.
^Richtel, Matt. "Hacker Group Says Program Can Exploit Microsoft Security Hole," The New York Times August 4, 1998. Retrieved April 24, 2007.
^"Information on Back Orifice and NetBus". Symantec. Archived from the original on February 22, 1999. Retrieved 8 February 2013.
^Knudsen, Kent (April 5, 2002). "Tracking the Back Orifice Trojan On a University Network". sans.org. p. 7. Archived from the original (PDF) on April 21, 2018. Retrieved April 20, 2018. The server normally binds to UDP port 31337, but it may be configured to use another port.
BackOrifice (often shortened to BO) is a computer program designed for remote system administration. It enables a user to control a computer running the...
BackOrifice 2000 (often shortened to BO2k) is a computer program designed for remote system administration. It enables a user to control a computer running...
Look up orifice in Wiktionary, the free dictionary. An orifice is any opening, mouth, hole or vent, as in a pipe, a plate, or a body Body orifice, any opening...
member of Cult of the Dead Cow (cDc) since May 1997, and is the author of BackOrifice. He has also written several other hacker tools, including SMBRelay,...
section in a de Laval nozzle or through an orifice plate. The choked velocity is observed upstream of an orifice or nozzle. The upstream volumetric flow...
Swedish programmer in March 1998. It was in wide circulation before BackOrifice was released, in August 1998. The author claimed that the program was...
Bojangles (disambiguation) Bo School, a secondary school in Bo, Sierra Leone BackOrifice, remote administration software Barrel of Oil, sometimes used in place...
being delivered by a so-called server editor (an idea borrowed from BackOrifice 2000). Customizations possible with the Sub7 server editor included changing...
of L0pht. DilDog is best known as the author of the original code for BackOrifice 2000, an open source remote administration tool. He is also well known...
[user-generated source] Knudsen, Kent (April 5, 2002). "Tracking the BackOrifice Trojan On a University Network". sans.org. p. 7. Archived from the original...
left atrium and left ventricle, then drains into the right atrium at the orifice of the coronary sinus (which is usually guarded by the valve of coronary...
25 mm (1 in) apart and about the same distance from the internal urethral orifice; in the distended bladder, these measurements may be increased to about...
girls have a vagina", which causes children to think that girls have one orifice in the pelvic area. Author Hilda Hutcherson stated, "Because many [women]...
On July 10, 1999, the Cult of the Dead Cow hacker collective released BackOrifice 2000 (later discovered to be infected with the CIH virus) at DEF CON...
costly malware outbreak to date. July: Cult of the Dead Cow releases BackOrifice 2000 at DEF CON. August: Kevin Mitnick, is sentenced to 5 years, of which...
"foo", "mung", and "frob". Other substitutions include "orifice" for office (as in later BackOrifice), "cruft" for garbage, and "hack", meaning an elaborate...
For example, an orifice plate produces a pressure drop that is a function of the square of the volume rate of flow through the orifice. A vortex meter...
remote intruders to gain access to the network through backdoors like BackOrifice. One general solution may be end-to-end encryption, with independent...
sphincter into the cardiac orifice, the opening into the gastric cardia. A cardiac notch at the left of the cardiac orifice, marks the beginning of the...
A Restrictive Flow Orifice (RFO) is a type of orifice plate. They are used to limit the potential danger, damage, or wastage of an uncontrolled flow from...
Some third-party remote desktop software programs perform the same job. BackOrifice, whilst commonly used as a script kiddie tool, claims to be a remote-administration...
crossover act. The group consisted of four artists individually known as Orifice Vulgatron (Pavan Mukhi, vocals), Metropolis Graham (Ebow Enyan Graham,...
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