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Trojan Part 2
11.How The Trojans Works
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Here I'll explain you how the trojans work.If you don't know some words
you can check the "Terms Used In The Text" section and read about them there.
When the victim runs the server it does functions like opening some specific port and listening
for connections.It can use TCP or UPD protocols.
When you connect with the victim IP the you can do what you want because the server let you do
the trojan functions on the infected computer.Some trojans restart every time Windows is loaded.
They modify win.ini or system.ini so the trojan can restart but most of the new trojans use the
registry so they can restart.
Trojans communicate like client and server.The victim runs the server,the attacker sends command
to the infected server with the client and the server is just following what the client "says" to it.
-------------------------->
12.The Most Common Trojan Ports
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Here's a list of the most common trojan ports:
Satanz Backdoor|666
Silencer|1001
Shivka-Burka|1600
SpySender|1807
Shockrave|1981
WebEx|1001
Doly Trojan|1011
Psyber Stream Server|1170
Ultors Trojan|1234
VooDoo Doll|1245
FTP99CMP|1492
BackDoor|1999
Trojan Cow|2001
Ripper|2023
Bugs|2115
Deep Throat|2140
The Invasor|2140
Phineas Phucker|2801
Masters Paradise|30129
Portal of Doom|3700
WinCrash|4092
ICQTrojan|4590
Sockets de Troie|5000
Sockets de Troie 1.x|5001
Firehotcker|5321
Blade Runner|5400
Blade Runner 1.x|5401
Blade Runner 2.x|5402
Robo-Hack|5569
DeepThroat|6670
DeepThroat|6771
GateCrasher|6969
Priority|6969
Remote Grab|7000
NetMonitor|7300
NetMonitor 1.x|7301
NetMonitor 2.x|7306
NetMonitor 3.x|7307
NetMonitor 4.x|7308
ICKiller|7789
Portal of Doom|9872
Portal of Doom 1.x|9873
Portal of Doom 2.x|9874
Portal of Doom 3.x|9875
Portal of Doom 4.x|10067
Portal of Doom 5.x|10167
iNi-Killer|9989
Senna Spy|11000
Progenic trojan|11223
Hack?99 KeyLogger|12223
GabanBus|1245
NetBus|1245
Whack-a-mole|12361
Whack-a-mole 1.x|12362
Priority|16969
Millennium|20001
NetBus 2 Pro|20034
GirlFriend|21544
Prosiak|22222
Prosiak|33333
Evil FTP|23456
Ugly FTP|23456
Delta|26274
Back Orifice|31337
Back Orifice|31338
DeepBO|31338
NetSpy DK|31339
BOWhack|31666
BigGluck|34324
The Spy|40412
Masters Paradise|40421
Masters Paradise 1.x|40422
Masters Paradise 2.x|40423
Masters Paradise 3.x|40426
Sockets de Troie|50505
Fore|50766
Remote Windows Shutdown|53001
Telecommando|61466
Devil|65000
The tHing|6400
NetBus 1.x|12346
NetBus Pro 20034
SubSeven|1243
NetSphere|30100
Silencer |1001
Millenium |20000
Devil 1.03 |65000
NetMonitor| 7306
Streaming Audio Trojan| 1170
Socket23 |30303
Gatecrasher |6969
Telecommando | 61466
Gjamer |12076
IcqTrojen| 4950
Priotrity |16969
Vodoo | 1245
Wincrash | 5742
Wincrash2| 2583
Netspy |1033
ShockRave | 1981
Stealth Spy |555
Pass Ripper |2023
Attack FTP |666
GirlFriend | 21554
Fore, Schwindler| 50766
Tiny Telnet Server| 34324
Kuang |30999
Senna Spy Trojans| 11000
WhackJob | 23456
Phase0 | 555
BladeRunner | 5400
IcqTrojan | 4950
InIkiller | 9989
PortalOfDoom | 9872
ProgenicTrojan | 11223
Prosiak 0.47 | 22222
RemoteWindowsShutdown | 53001
RoboHack |5569
Silencer | 1001
Striker | 2565
TheSpy | 40412
TrojanCow | 2001
UglyFtp | 23456
WebEx |1001
Backdoor | 1999
Phineas | 2801
Psyber Streaming Server | 1509
Indoctrination | 6939
Hackers Paradise | 456
Doly Trojan | 1011
FTP99CMP | 1492
Shiva Burka | 1600
Remote Windows Shutdown | 53001
BigGluck, | 34324
NetSpy DK | 31339
Hack?99 KeyLogger | 12223
iNi-Killer | 9989
ICQKiller | 7789
Portal of Doom | 9875
Firehotcker | 5321
Master Paradise |40423
BO jammerkillahV | 121
--------------------------------->
13.How Can I Monitor My Computer Without Scanner?
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Again the masses think that when they have some
trojan scanner or anti-virus one they're secure.
Well the best way you can check for trojans is to do
it by your own.You're not sure is the trojan scanner
working correctly so start checking it alone.
In this text I've included one list of software and
reviews of course that will help you check your system
for trojans.
Well you always need to check which ports are opened on
your system and if you see that one of the common trojan
ports is open you're probably infected.
*NOTE*
You can check that by typing "netstat"
in the MS-DOS prompt or use other software
that can do this for you
*NOTE*
Always pay attention to which files are running on your
computer and check for something suspicious in it like
it's name.Well I think you'll check files like
config.EXE,himem.exe or winlilo.exe or other funny one.
Just Hex Edit them and if you find something interesting
like "SchoolBus Server" kill the running file.
Make sure you're monitoring your registry and check
every new change in it.Also be sure you monitor
system.ini or win.ini because there're still
trojans that restart from there.
And as I told you always download software like
ICQ,MIRC or some other well known program from
the official page.
Following these simple rules will help you
prevent your computer from getting infected.
---------------------------------->
14.Software To Help You Monitor Your Computer
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As I told you I've included one list of software
that will help you monitor your computer and help
you prevent trojan infections.
+++++++++++++++
----LogMonitor+
+++++++++++++++
Files and directories monitoring tool
=====================================
Version: 1.3.4
Home page: http://www.geocities.com/koenigvad/Eng/
Author: Vadim Dumbravanu, koenigvad@yahoo.com
Log Monitor is a files and directories monitoring tool. The program
periodically checks selected file's modification time and executes
external program if file's time was changed or not changed. For
directories it handles such events as files change, addition or
removal.
Works under Windows 95/98/NT.
It's free for personal and business use. See LICENSE.TXT for
copyright information.
This file contains following topics:
1. Purpose.
2. Usage.
3. Some features.
4. Installation.
5. Uninstallation.
1. PURPOSE
The program is intended for different administrators using
automated processes. From time to time these processes stop working
or can even terminate abnormally. Sometimes processes create or
update error log-files. Log Monitor can watch over such processes
via their log-files and warn administrators about problems.
Users can watch over common network folders and see what happens
within their directories.
2. USAGE
Most of automated processes track log-files, periodically updating
them. Accordingly, if such process will terminate abnormally,
log-files cease changing.
If the process did not update the log-file during selected
interval, Log Monitor runs an external program. It can be "net send
bla bla bla", or paging program, or process restart. Log Monitor
can run a program if the file was changed too, so you can check
error files for changes.
Log Monitor can also watch over directories and handle files
change, addition or removal events within directory tree.
Log Monitor can be used as a task scheduler. NT Scheduler Service
is uncomfortable if you need to run a task every hour for example.
Using Log Monitor you can add nonexisting file, then select
interval of 3600 seconds and the program. As long as the file does
not update, selected program will run every hour.
You can specify working time and days when program will be
launched.
3. SOME FEATURES
- Several files or directories can be monitored simultaneously,
each file has its own interval and is processing in a separate
thread.
- A list of monitoring processes stores in the configuration file.
- Minimizes to the System Tray (and restores from it). ;)
- There is an ability to pause monitoring of selected files.
"Paused" state can be stored in the configuration file.
- Works on the schedule, can check files and directories only
during selected time interval and days of week or month.
- Many other really beautiful things.
++++++++++++
----PrcView+
++++++++++++
PrcView is a freeware process viewer utility that shows comprehensive
information about running processes. This information includes such
details as the creation time, version and full path for each DLL used
by a selected process, a list of all threads, memory blocks and heaps.
PrcVIew also allows you to kill and attach a debugger to a selected process.
PrcView runs on both Windows 95/98 and Windows NT platforms and includes
Windows and command-line version of the program.
This software is free and freely distributable on a non-commercial basis in the format
ORIGINALLY RELEASED (PrcView.zip) with the original Copyright clause.
The author expressly disclaims any warranty for this software. This software and
any related documentation is provided "as is" without warranty of any kind.
Distribution of the program or any work based on the program by a commercial
organization to any third party is permitted only with the written permission of the author
If you encounter a problem while running PrcView, please visit
http://www.teamcti.com to obtain the latest version. If you still have problems,
please send a short description to: IgorNys@writeme.com
----XNetStat
XNetStat is a program like the "netstat"
command in the MS-DOS promt.The programs
shows you all of the open ports of your computer
and all of the established connections.
Mail fresh@arez.com if you want it
or have questions about it.
++++++++++++
----AtGuard+
++++++++++++
AtGuard is a nice firewall with some cool
features.It can also show you which file
opened a connection from your computer
that is VERY useful if you want to detect
some trojans on your machine.
I currently lost the URL for that program
but try searching altavista.com
or packetstorm.securify.com
+++++++++++++++++++++++++
-----ConSeal PC FIREWALL+
+++++++++++++++++++++++++
This software will help you to secure your PC.
It has some major advantages over other PC-based firewalls.
It is available on Windows 95, Windows 98 and Windows NT
(3.51 & 4.0).
This is probably the best firewall for Windows machines
that will help you block trojans ports on your machine
and also against various D.O.S attacks.
+++++++++++++++++
----LockDown2000+
+++++++++++++++++
This is really good anti-trojan package that detects
a LOT of trojans and other tools and also acts as a firewall,
protect you against nuke and ICQ attacks.It also
block file sharing so you won't have problems with it.
It's updated regulary with many new trojan definitions.
A must have for those of you that want to be protected
against attacks and trojan infections.
You can get it at http://www.lockdown2000.com
++++++++++
----TDS-2+
++++++++++
Trojan Defence Suite is also one very good
anti trojan package with a lot of functions and
plugins in it.It also detects probably all of
the trojans out there and is regulary updated.
A must have for those of you that want to be protected
against attacks and trojan infections.
You can get it at http://www.tds.diamondcs.com.au
Using all of these tools of course with the anti-trojan
packages will result in one SECURE against trojans
Windows machine so go and get them.
15.Placing BackDoors In Programs
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The people that infect with trojans are becoming smarter.
They started placing the trojans in some real programs that
everyone is using so they can infect the victim.
Most of the people know that when they run a trojan
nothing will happen or an error message will apear,but
when the trojan is "joined" with another program
the program will work normally without any error messages
and the victim will think that he/she is not infected.
That's not right.Programmers made such programs that
just "join" two or more executables in one so they
can place the trojan in some programs that everyone
know about.
Such well known programs with open source are
also very dangerous.Good programmer may modify
the source and make it like a trojan so let's
say you're using modified e-mail client.As well
all know the password sending trojans use port 25
to send the e-mail with the information.How about
if the attacker modified the e-mail client to send
your e-mail password to him/her.You'll of course
see(if you're monitoring)that port 25 is open but
probably you won't pay attention because you're sending
e-mails and that's why the port is open.
As I said people are becoming smarter and smarter.
--------------------------------->
16.Advices
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Some advises from me to help you prevent
being infected by trojan or virus.
[1]-Never accept file even it is from some friend.
You're never sure who's on the other side of the computer.
[2]-When executing file first check it's type
someone may try to trick you into running it.
[3]-Always monitor your open ports and the running files
on your computer.
[4]-Download software ONLY from it's official page.
[5]-When playing with trojans you can also get infected
because the creators some time put the server in the client
so when you run the client you also get infected.This shows you
once again that trojans are dangerous and when you make mistake
you can lose sensitive information.
[6]-Become a paranoid it's more secure.People laugh at these people
that burn every paper they have,that keep all of their passwords
in their minds,that always use encryption,that don't ICQ or IRC because
they know how weak these protocols are BUT that's why these people never
get caught because they know how to protect themselves.
------------------------>
17.Final Words
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That's it for now I'll update this text in future too.
Btw this was my biggest and well writer text for now and I really like it
also I hope it will help to those of you that want to know how to protect from
trojans and want to learn more about them.Once again this is a security related
tutorial as I told I've starting writing such texts from now.
rahuldutt1 |
Latest page update: made by rahuldutt1
, Feb 2 2007, 12:47 PM EST
(about this update
About This Update
Edited by rahuldutt1
2120 words added view changes - complete history) |
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