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It allows to enter and attack the affected computer, and gain remote access to it.
|First detected on:|
|Detection updated on:||Oct. 23, 2003|
Bck/FraggleRock.20 is a backdoor Trojan that makes it possible to access another computer remotely by means of a client-server connection. This Trojan is written in Visual Basic 6 and it consists of three files: a client, a server and a configuration program.
Once the server has been executed, it installs itself on the affected system. Once the client-server connection has been established the following actions will be carried out on the affected computer:
Accessing the affected system's setup.
Controlling the keyboard and mouse.
Restarting the system or shutting it down.
Opening the CD-Rom tray automatically.
Enabling and disabling the task bar.
Dialing a phone number by using the modem installed on the affected system.
The client will look as follows:
Additionally, a configuration program will make it possible to change the TCP port by default (48006). Similarly, it will prompt hackers to enter an ICQ number. This way, an ICQ notification will be sent to the attacking user when the victim is online. To receive this message, the attacking user will have to know the affected computer's IP address. The configuration program looks as follows: