Backdoor Programs

Backdoor Programs

Backdoor Programs
It’s the​ ultimate nightmare for​ a​ computer user—the idea that someone outside the​ computer can take over .​
the​ official technical term is​ Remote Administration, but hackers are more likely to​ use the​ word Backdoor.
With Windows XP, remote administration comes pre-installed .​
Windows XP has an​ option called Remote Assistance, where an​ XP technician can remote in​ and​ take over your computer .​
the​ remote tech has as​ much control over your system as​ if​ he was sitting there at​ the​ keyboard.
The hackers predate Microsoft by several years.
NetBus, for​ example, was designed in​ 1998 by Carl-Fredric Neikter, and​ many of​ the​ backdoor programs since then have followed a​ similar design .​

The program comes in​ two parts, the​ Client, and​ the​ Server .​
the​ server is​ the​ part that has to​ be installed on the​ machine to​ be hacked, and​ the​ Client is​ the​ controlling system .​
Once the​ Server program has been installed, the​ Client has almost total control, from dangerous things like recording keystrokes or​ launching programs to​ annoying things like opening the​ CD tray .​
Netbus 2.0 Pro was even marketed commercially as​ a​ remote administration program.
Some other backdoor programs are Back Orifice (which was named as​ a​ pun on Microsoft’s Back Office program), SubSeven, and​ Poison Ivy.
Any backdoor program allows an​ outsider full, unrestricted access to​ the​ hacked computer .​
the​ hacker can copy information off of​ the​ computer, activate webcams, even remotely shut down or​ crash the​ computer .​
Netbus and​ SubSeven are very popular among script kiddies.
In one major case in​ 1999, a​ law professor was fired and​ charged because system administrators found child pоrnography on his system .​
He was acquitted—almost five years later—when the​ court was shown that Netbus was used to​ copy the​ images onto the​ computer.
Most backdoor programs are easily stopped by antivirus and​ firewall programs.

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