The kinds of Trojan

Follow by dancho danchev (2004) trojan that go around at internet can classified to be 8 kinds that are:

1. Trojan Remote Access

Trojan this type of belong popularest in this time. Many assailants uses this trojan with function reason many and very easy in use it. The process wait somebody runs trojan that functioned as server and if assailant has ip addres victim, so assailant get the whip-hand of fully computer victim. This trojan kind example Back Orifice (BO), consist of BOSERV.exe that runs at computer victim and BOGUI.exe that runs by assailant to accessing computer victim.

2. Password sender trojan

This trojan aim sends password that reside in victim computer or at internet to a special email that prepared. Password example that tapped for example to ICQ, IRC, FTP HTTP or other application that needs user somebody to enter to logging and password. Majority this trojan uses port 25 to send e-mail. This type of very dangerous if in computer found password of vital importance.

3. Transfer File Trojan Protocol (FTP)

Trojan this type of simplest and assumed old-fashioned. Only function that run open port 21 at victim computer that causes to simplify has ftp client to enter victim computer without password with do to download or upload file.

4. Keylongger

This type of be simple trojan and the function transcribe or register button moment victim does typing and keep in logfile. This trojan can be runing at the time of also offline or online. At the time of recording process is done to do after Windows is runing and kept at hardisk victim and wait moment online to do transfer or taken by assailant.

5. Destroying Force Trojan

Only function from this type of smash and wipe off file. Destroying force trojan belongs kind very simple and easy used but very dangerous. Once infection can not do to rescuing, so a part or all system files will be lost. This trojan is automatically wipes off all victim system files likes. *.dll, *.ini or *.exe.

6. Trojan Denal Of Service (DOS ) Attack

Trojan this type is very popular. Tojan this type has ability to run Distributed dos (DDOS). The aim are if has 200 user victims using ADSL that infection, then attack a victim simultaneously. The result is will be rush by data that very solid, because request avalanche and exceed band capacity width victim. The mentioned makes internet access is closed.

7. Trojan Proxy/Wingate

This kind is very attractive applied by trojan maker to cheat victim with make use a proxy/wingate server that provided to whole world or just for assailant. Trojan this type of used in Telnet anonymous, ICQ, IRC and to register domain with credit card number that stolen with for activity other not valid. This trojan equips assailant with anonymity and give to chance to make everything towards victim computer and trace can not be traced.

8. Software Detection Killer

Several trojan are equiped ably paralyse detection software function, but there also programs that selfsupporting with function same. Detection software example that can be paralysed the function Zone Alarm, Norton Antianvirus and other antivirus/firewalls program.
The kinds of Trojan