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Thread: Here are a few tweaks for you XP users out there...

  1. #41
    Join Date
    Sep 2005


    Correcting System Hang at Startup

    If your system hangs about 2 or 3 minutes at startup, where you can't access the Start button or the Taskbar, it may be due to one specific service (Background Intelligent Transfer) running in the background. Microsoft put out a patch for this but it didn't work for me. Here's what you do:

    1. Click on Start/Run, type 'msconfig', then click 'OK'.
    2. Go to the 'Services' tab, find the 'Background Intelligent Transfer' service, disable it, apply the changes & reboot.

  2. #42
    Join Date
    Sep 2005


    Faster startup of Windows XP

    If your computer takes a long time to become useable after starting up or logging on, or you want a clean boot of Winodws XP try this,

    Click Start > Run > Type "msconfig" > On the Startup tab click Disable All and on the Services tab check the Hide All Microsoft Service box and then click Disable All. Click Restart and Windows XP will restart with only the system services and applications running resulting in a vey fast logon / startup.

    N.B This tweak will disable all non-system startup sevices and applications so if you have anything you want to run in the background such as anti virus software do not disable that item.

  3. #43
    Join Date
    Sep 2005


    Getting More Processing Power

    A clarification is needed on Spongebob's Tweak post for getting more processing power.

    "In the Run box, type "Rundll32.exe advapi32.dll,ProcessIdleTasks". This frees up any idle tasks running in the background so that Windows XP can devote its full attention to what you want it to do. For example playing graphic intensive games."

    While it DOES free up idle tasks, according to Microsoft, it can take up to 15 minutes to do so. You would not want to run this task before playing a game or using your machine as it will actually cause any tasks waiting for the system to become idle to be performed immediately.

    Quote from Microsoft:

    "When called from the command line, the ProcessIdleTasks work is done in the background asynchronously. It can take 10 to 15 minutes for idle tasks to complete. Task Manager will report processes running, and the disk will likely be active during this time"

    The complete article can be found here:

  4. #44


    Does this really help? Or is it just an idea? I will try it and see for myself with my other computer!

  5. #45
    Join Date
    Sep 2005

    Default Intensive Registry Care Utilities All-In-One


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    AIO Bonus eBook:

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    Download: 28.8 MB

  6. #46
    Join Date
    Sep 2005


    if you not sure in Edit your Registry Please Backup First !!!

  7. #47
    Join Date
    May 2005
    kingdom of bahrain


    Thank you
    This one hell of a good post

    Thanks again

  8. #48
    Join Date
    Nov 2005

    Default 20 things you didn't know about Windows XP

    20 things you didn't know about Windows XP

    You've read the reviews and digested the key feature
    enhancements and operational changes. Now it's time to
    delve a bit deeper and uncover some of Windows XP's

    1. It boasts how long it can stay up. Whereas previous
    versions of Windows were coy about how long they went
    between boots, XP is positively proud of its stamina.
    Go to the Command Prompt in the Accessories menu from
    the All Programs start button option, and then type
    'systeminfo'. The computer will produce a lot of
    useful info, including the uptime. If you want to keep
    these, type 'systeminfo > info.txt'. This creates a
    file called info.txt you can look at later with
    Notepad. (Professional Edition only).

    2. You can delete files immediately, without having
    them move to the Recycle Bin first. Go to the Start
    menu, select Run... and type 'gpedit.msc'; then select
    User Configuration, Administrative Templates, Windows
    Components, Windows Explorer and find the Do not move
    deleted files to the Recycle Bin setting. Set it.
    Poking around in gpedit will reveal a great many
    interface and system options, but take care -- some
    may stop your computer behaving as you wish.
    (Professional Edition only).

    3. You can lock your XP workstation with two clicks of
    the mouse. Create a new shortcut on your desktop using
    a right mouse click, and enter 'rundll32.exe
    user32.dll,LockWorkStation' in the location field.
    Give the shortcut a name you like. That's it -- just
    double click on it and your computer will be locked.
    And if that's not easy enough, Windows key + L will do
    the same.

    4. XP hides some system software you might want to
    remove, such as Windows Messenger, but you can tickle
    it and make it disgorge everything. Using Notepad or
    Edit, edit the text file /windows/inf/sysoc.inf,
    search for the word 'hide' and remove it. You can then
    go to the Add or Remove Programs in the Control Panel,
    select Add/Remove Windows Components and there will be
    your prey, exposed and vulnerable.

    5. For those skilled in the art of DOS batch files, XP
    has a number of interesting new commands. These
    include 'eventcreate' and 'eventtriggers' for creating
    and watching system events, 'typeperf' for monitoring
    performance of various subsystems, and 'schtasks' for
    handling scheduled tasks. As usual, typing the command
    name followed by /? will give a list of options --
    they're all far too baroque to go into here.

    6. XP has IP version 6 support -- the next generation
    of IP. Unfortunately this is more than your ISP has,
    so you can only experiment with this on your LAN. Type
    'ipv6 install' into Run... (it's OK, it won't ruin
    your existing network setup) and then 'ipv6 /?' at the
    command line to find out more. If you don't know what
    IPv6 is, don't worry and don't bother.

    7. You can at last get rid of tasks on the computer
    from the command line by using 'taskkill /pid' and the
    task number, or just 'tskill' and the process number.
    Find that out by typing 'tasklist', which will also
    tell you a lot about what's going on in your system.

    8. XP will treat Zip files like folders, which is nice
    if you've got a fast machine. On slower machines, you
    can make XP leave zip files well alone by typing
    'regsvr32 /u zipfldr.dll' at the command line. If you
    change your mind later, you can put things back as
    they were by typing 'regsvr32 zipfldr.dll'.

    9. XP has ClearType -- Microsoft's anti-aliasing font
    display technology -- but doesn't have it enabled by
    default. It's well worth trying, especially if you
    were there for DOS and all those years of staring at a
    screen have given you the eyes of an astigmatic bat.
    To enable ClearType, right click on the desktop,
    select Properties, Appearance, Effects, select
    ClearType from the second drop-down menu and enable
    the selection. Expect best results on laptop displays.
    If you want to use ClearType on the Welcome login
    screen as well, set the registry entry
    Panel/Desktop/FontSmoothingType to 2.

    10. You can use Remote Assistance to help a friend
    who's using network address translation (NAT) on a
    home network, but not automatically. Get your pal to
    email you a Remote Assistance invitation and edit the
    file. Under the RCTICKET attribute will be a NAT IP
    address, like Replace this with your
    chum's real IP address -- they can find this out by
    going to -- and get them to make
    sure that they've got port 3389 open on their firewall
    and forwarded to the errant computer.

    11. You can run a program as a different user without
    logging out and back in again. Right click the icon,
    select Run As... and enter the user name and password
    you want to use. This only applies for that run. The
    trick is particularly useful if you need to have
    administrative permissions to install a program, which
    many require. Note that you can have some fun by
    running programs multiple times on the same system as
    different users, but this can have unforeseen effects.

    12. Windows XP can be very insistent about you
    checking for auto updates, registering a Passport,
    using Windows Messenger and so on. After a while, the
    nagging goes away, but if you feel you might slip the
    bonds of sanity before that point, run Regedit, go to
    Version/Explorer/Advanced and create a DWORD value
    called EnableBalloonTips with a value of 0.

    13. You can start up without needing to enter a user
    name or password. Select Run... from the start menu
    and type 'control userpasswords2', which will open the
    user accounts application. On the Users tab, clear the
    box for Users Must Enter A User Name And Password To
    Use This Computer, and click on OK. An Automatically
    Log On dialog box will appear; enter the user name and
    password for the account you want to use.

    14. Internet Explorer 6 will automatically delete
    temporary files, but only if you tell it to. Start the
    browser, select Tools / Internet Options... and
    Advanced, go down to the Security area and check the
    box to Empty Temporary Internet Files folder when
    browser is closed.

    15. XP comes with a free Network Activity Light, just
    in case you can't see the LEDs twinkle on your network
    card. Right click on My Network Places on the desktop,
    then select Properties. Right click on the description
    for your LAN or dial-up connection, select Properties,
    then check the Show icon in notification area when
    connected box. You'll now see a tiny network icon on
    the right of your task bar that glimmers nicely during
    network traffic.

    16. The Start Menu can be leisurely when it decides to
    appear, but you can speed things along by changing the
    registry entry HKEY_CURRENT_USER/Control
    Panel/Desktop/MenuShowDelay from the default 400 to
    something a little snappier. Like 0.

    17. You can rename loads of files at once in Windows
    Explorer. Highlight a set of files in a window, then
    right click on one and rename it. All the other files
    will be renamed to that name, with individual numbers
    in brackets to distinguish them. Also, in a folder you
    can arrange icons in alphabetised groups by View,
    Arrange Icon By... Show In Groups.

    18. Windows Media Player will display the cover art
    for albums as it plays the tracks -- if it found the
    picture on the Internet when you copied the tracks
    from the CD. If it didn't, or if you have lots of
    pre-WMP music files, you can put your own copy of the
    cover art in the same directory as the tracks. Just
    call it folder.jpg and Windows Media Player will pick
    it up and display it.

    19. Windows key + Break brings up the System
    Properties dialogue box; Windows key + D brings up the
    desktop; Windows key + Tab moves through the taskbar

    20. The next release of Windows XP, codenamed
    Longhorn, is due out late next year or early 2003 and
    won't be much to write home about. The next big
    release is codenamed Blackcomb and will be out in

  9. #49
    Join Date
    Aug 2005


    Gr8 Stuffs Keep It Up

  10. #50
    Join Date
    Nov 2005

    Default Hacking with Windows XP

    Hacking with Windows XP

    Part I: The Magic of DOS

    In this guide you will learn how to telnet, forge email, and use
    nslookup with Windows XP.

    So you have the newest, glitziest, "Fisher Price" version of Windows:
    XP. How can you use XP in a way that sets you apart from the boring
    millions of ordinary users?

    Luser Alert: Anyone who thinks this GTMHH will reveal how to blow up
    people's TV sets and steal Sandra Bullock's email is going to find out
    that I won't tell them how.

    The key to doing amazing things with XP is as simple as D O S. Yes,
    that's right, DOS as in MS-DOS, as in MicroSoft Disk Operating System.
    Windows XP (as well as NT and 2000) comes with two versions of DOS. is an old DOS version. Various versions of
    come with Windows 95, 98, SE, ME, Window 3, and DOS only operating

    The other DOS, which comes only with XP, 2000 and NT, is cmd.exe.
    Usually cmd.exe is better than because it is easier to
    use, has more commands, and in some ways resembles the bash shell in
    Linux and other Unix-type operating systems. For example, you can
    repeat a command by using the up arrow until you back up to the
    desired command. Unlike bash, however, your DOS command history is
    erased whenever you shut down cmd.exe. The reason XP has both versions
    of DOS is that sometimes a program that won?t run right in cmd.exe
    will work in

    Flame Alert: Some readers are throwing fits because I dared to compare
    DOS to bash. I can compare cmd.exe to bash if I want to. Nanny nanny
    nah nah.

    DOS is your number one Windows gateway to the Internet, and the open
    sesame to local area networks. From DOS, without needing to download a
    single hacker program, you can do amazingly sophisticated explorations
    and even break into poorly defended computers.

    You can go to jail warning: Breaking into computers is against the law
    if you do not have permission to do so from the owner of that
    computer. For example, if your friend gives you permission to break
    into her Hotmail account, that won't protect you because Microsoft
    owns Hotmail and they will never give you permission.
    You can get expelled warning: Some kids have been kicked out of school
    just for bringing up a DOS prompt on a computer. Be sure to get a
    teacher's WRITTEN permission before demonstrating that you can hack on
    a school computer.

    So how do you turn on DOS?
    Click All Programs -> Accessories -> Command Prompt
    That runs cmd.exe. You should see a black screen with white text on
    it, saying something like this:

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.


    Your first step is to find out what commands you can run in DOS. If
    you type "help" at the DOS prompt, it gives you a long list of
    commands. However, this list leaves out all the commands hackers love
    to use. Here are some of those left out hacker commands.

    TCP/IP commands:

    NetBIOS commands (just some examples):
    net use
    net view
    net localgroup

    TCP/IP stands for transmission control protocol/Internet protocol. As
    you can guess by the name, TCP/IP is the protocol under which the
    Internet runs. along with user datagram protocol (UDP). So when you
    are connected to the Internet, you can try these commands against
    other Internet computers. Most local area networks also use TCP/IP.

    NetBIOS (Net Basic Input/Output System) protocol is another way to
    communicate between computers. This is often used by Windows
    computers, and by Unix/Linux type computers running Samba. You can
    often use NetBIOS commands over the Internet (being carried inside of,
    so to speak, TCP/IP). In many cases, however, NetBIOS commands will be
    blocked by firewalls. Also, not many Internet computers run NetBIOS
    because it is so easy to break in using them. We will cover NetBIOS
    commands in the next Guide to XP Hacking.

    The queen of hacker commands is telnet. To get Windows help for
    telnet, in the cmd.exe window give the command:

    C:\>telnet /?

    Here's what you will get:

    telnet [-a][-e escape char][-f log file][-l user][-t term][host
    -a Attempt automatic logon. Same as -l option except uses
    the currently logged on user's name.
    -e Escape character to enter telnet client prompt.
    -f File name for client side logging
    -l Specifies the user name to log in with on the remote system.
    Requires that the remote system support the TELNET ENVIRON
    -t Specifies terminal type.
    Supported term types are vt100, vt52, ansi and vtnt only.
    host Specifies the hostname or IP address of the remote computer
    to connect to.

    port Specifies a port number or service name.

    Newbie note: what is a port on a computer? A computer port is sort of
    like a seaport. It's where things can go in and/or out of a computer.
    Some ports are easy to understand, like keyboard, monitor, printer and
    modem. Other ports are virtual, meaning that they are created by
    software. When that modem port of yours (or LAN or ISDN or DSL) is
    connected to the Internet, your computer has the ability to open or
    close any of over 65,000 different virtual ports, and has the ability
    to connect to any of these on another computer - if it is running that
    port, and if a firewall doesn?t block it.
    Newbie note: How do you address a computer over the Internet? There
    are two ways: by number or by name.

    The simplest use of telnet is to log into a remote computer. Give the

    C:/>telnet (substituting the name of the computer
    you want to telnet into for

    If this computer is set up to let people log into accounts, you may
    get the message:


    Type your user name here, making sure to be exact. You can't swap
    between lower case and capital letters. For example, user name Guest
    is not the same as guest.

    Newbie note: Lots of people email me asking how to learn what their
    user name and password are. Stop laughing, darn it, they really do. If
    you don't know your user name and password, that means whoever runs
    that computer didn't give you an account and doesn't want you to log

    Then comes the message:


    Again, be exact in typing in your password.

    What if this doesn't work?

    Every day people write to me complaining they can't telnet. That is
    usually because they try to telnet into a computer, or a port on a
    computer that is set up to refuse telnet connections. Here's what it
    might look like when a computer refuses a telnet connection:

    C:\ >telnet
    Connecting To not open connection to the host, on
    port 23. A connection attempt failed because the connected party did
    not properly respond after a period of time, or established connection
    failed because connected host has failed to respond.

    Or you might see:

    C:\ >telnet
    Connecting To not open connection to the host,
    on port 23.
    No connection could be made because the target machine actively
    refused it.

    If you just give the telnet command without giving a port number, it
    will automatically try to connect on port 23, which sometimes runs a
    telnet server.

    Newbie note: your Windows computer has a telnet client program,
    meaning it will let you telnet out of it. However you have to install
    a telnet server before anyone can telnet into port 23 on your

    If telnet failed to connect, possibly the computer you were trying to
    telnet into was down or just plain no longer in existence. Maybe the
    people who run that computer don't want you to telnet into it.

    Even though you can't telnet into an account inside some computer,
    often you can get some information back or get that computer to do
    something interesting for you. Yes, you can get a telnet connection to
    succeed -without doing anything illegal --against almost any computer,
    even if you don't have permission to log in. There are many legal
    things you can do to many randomly chosen computers with telnet. For

    C:/telnet 22


    That tells us the target computer is running an SSH server, which
    enables encrypted connections between computers. If you want to SSH
    into an account there, you can get a shell account for free at . You can get a free SSH client program from .

    You can get punched in the nose warning: Your online provider might
    kick you off for making telnet probes of other computers. The solution
    is to get a local online provider and make friends with the people who
    run it, and convince them you are just doing harmless, legal

    Sometimes a port is running an interesting program, but a firewall
    won't let you in. For example,, a computer on my local area
    network, runs an email sending program, (sendmail working together
    with Postfix, and using Kmail to compose emails). I can use it from an
    account inside to send emails with headers that hide from
    where I send things.

    If I try to telnet to this email program from outside this computer,
    here's what happens:

    C:\>telnet 25
    Connecting To not open connection to the host, on
    port 25.
    No connection could be made because the target machine actively
    refused it.

    However, if I log into an account on and then telnet from
    inside to port 25, here's what I get:

    Last login: Fri Oct 18 13:56:58 2002 from
    Have a lot of fun...
    [email protected]:~> telnet localhost 25
    Trying ::1...
    telnet: connect to address ::1: Connection refused
    Trying [Carolyn's note: is the numerical
    address meaning localhost, the same computer you are logged into]
    Connected to localhost.
    Escape character is '^]'.
    220 test-box.local ESMTP Postfix

    The reason I keep this port 25 hidden behind a firewall is to keep
    people from using it to try to break in or to forge email. Now the
    ubergeniuses reading this will start to make fun of me because no
    Internet address that begins with 10. is reachable from the Internet.
    However, sometimes I place this "test-box" computer online with a
    static Internet address, meaning whenever it is on the Internet, it
    always has the same numerical address. I'm not going to tell you what
    its Internet address is because I don't want anyone messing with it. I
    just want to mess with other people's computers with it, muhahaha.
    That's also why I always keep my Internet address from showing up in
    the headers of my emails.

    Newbie note: What is all this about headers? It's stuff at the
    beginning of an email that may - or may not - tell you a lot about
    where it came from and when. To see full headers, in Outlook click
    view -> full headers. In Eudora, click the "Blah blah blah" icon.

    Want a computer you can telnet into and mess around with, and not get
    into trouble no matter what you do to it? I've set up my ( with user xyz, password guest for you to
    play with. Here's how to forge email to [email protected] using
    telnet. Start with the command:

    C:\>telnet 25
    Connecting To

    220 <> Service ready

    Now you type in who you want the message to appear to come from:

    helo [email protected] will answer:

    250 <> host ready

    Next type in your mail from address:

    mail from:[email protected]

    250 Requested mail action okay, completed

    Your next command:

    rcpt to:[email protected]
    250 Requested mail action okay, completed

    Your next command:
    354 Start main input; end with <CRLF>.<CRLF>

    Carolyn's note: <CRLF> just means hit return. In case you can't see
    that little period between the <CRLF>s, what you do to end composing
    your email is to hit enter, type a period, then hit enter again.
    Anyhow, try typing:

    This is a test.
    250 Requested mail action okay, completed
    221 <> Service closing transmission channel

    Connection to host lost.

    Using techbroker's mail server, even if you enable full headers, the
    message we just composed looks like:

    Status: R
    X-status: N

    This is a test.

    That's a pretty pathetic forged email, huh? No "from", no date.
    However, you can make your headers better by using a trick with the
    data command. After you give it, you can insert as many headers as you
    choose. The trick is easier to show than explain:

    220 <> Service ready
    helo [email protected]
    250 <> host ready
    mail from:[email protected]
    250 Requested mail action okay, completed
    rcpt to:[email protected]
    250 Requested mail action okay, completed
    354 Start main input; end with <CRLF>.<CRLF>
    from:[email protected]
    Date: Mon, 21 Oct 2002 10:09:16 -0500
    Subject: Rudolf
    This is a Santa test.
    250 Requested mail action okay, completed
    221 <> Service closing transmission channel

    Connection to host lost.

    The message then looks like:

    from:[email protected]
    Date: Mon, 21 Oct 2002 10:09:16 -0500
    Subject: Rudolf
    This is a Santa test.

    The trick is to start each line you want in the headers with one word
    followed by a colon, and the a line followed by "return". As soon as
    you write a line that doesn't begin this way, the rest of what you
    goes into the body of the email.

    Notice that the [email protected] from the "mail from:" command
    didn't show up in the header. Some mail servers would show both "from"

    You can forge email on within one strict limitation.
    Your email has to go to someone at If you can find any
    way to send email to someone outside techbroker, let us know, because
    you will have broken our security, muhahaha! Don't worry, you have my

    Next, you can read the email you forge on via telnet:

    C:\>telnet 110

    +OK <[email protected]> service ready

    Give this command:
    user xyz
    +OK user is known

    Then type in this:
    pass test
    +OK mail drop has 2 message(s)

    retr 1
    +OK message follows
    This is a test.

    If you want to know all possible commands, give this command:

    +OK help list follows
    USER user
    PASS password
    LIST [message]
    RETR message
    DELE message
    APOP user md5
    TOP message lines
    UIDL [message]

    Unless you use a weird online provider like AOL, you can use these
    same tricks to send and receive your own email. Or you can forge email
    to a friend by telnetting to his or her online provider's email
    sending computer(s).

    With most online providers you need to get the exact name of their
    email computer(s). Often it is simply
    (substitute the name of the online provider for targetcomputer). If
    this doesn't work, you can find out the name of their email server
    with the DOS nslookup program, which only runs from cmd.exe.
    Here's an example:

    C:\ >nslookup
    Default Server:

    > set q=mx
    Address: MX preference = 5, mail exchanger = MX preference = 10, mail exchanger = MX preference = 20, mail exchanger = nameserver = nameserver = nameserver = nameserver = nameserver = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address =

    The lines that tell you what computers will let you forge email to
    people with addresses are: MX preference = 5, mail exchanger = MX preference = 10, mail exchanger = MX preference = 20, mail exchanger =

    MX stands for mail exchange. The lower the preference number, the more
    they would like you to use that address for email.If that lowest
    number server is too busy, then try another server.

    Sometimes when you ask about a mail server, nslookup will give you
    this kind of error message:

    DNS request timed out.
    timeout was 2 seconds.
    DNS request timed out.
    timeout was 2 seconds.
    *** Request to [] timed-out

    To get around this problem, you need to find out what are the domain
    servers for your target online provider. A good place to start looking
    is . If this doesn't work, see for how to find the domain
    servers for any Internet address.

    Newbie note: A domain name server provides information on the names
    and numbers assigned to computers on the Internet. For example, and contain information on,,,
    and When you query about other computers,
    it might have to go hunting for that information from other name
    servers. That's why you might get a timed out failure.

    Once you know the domain servers for an online service, set one of
    them for the server for your nslookup program. Here's how you do it:

    C:\ >nslookup
    Default Server:

    Now give the command:

    > server
    Default Server:

    Next command should be:
    > set q=mx
    Address: MX preference = 5, mail exchanger = MX preference = 5, mail exchanger = MX preference = 5, mail exchanger = MX preference = 5, mail exchanger = MX preference = 5, mail exchanger = MX preference = 5, mail exchanger = MX preference = 5, mail exchanger = nameserver = nameserver = nameserver = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address = internet address =

    Your own online service will usually not mind and may even be glad if
    you use telnet to read your email. Sometimes a malicious person or
    faulty email program will send you a message that is so screwed up
    that your email program can't download it. With telnet you can manually
    delete the bad email. Otherwise tech support has to do it for you.

    If you think about it, this ability to forge email is a huge
    temptation to spammers. How can your online provider keep the bad guys
    from filling up a victim's email box with garbage? The first time a
    bad guy tries this, probably nothing will stop him or her. The second
    time the online provider might block the bad guy at the firewall,
    maybe call the bad guy's online provider and kick him or her and maybe
    get the bad guy busted or sued.

    You can go to jail warning: Sending hundreds or thousands of junk
    emails to bomb someone's email account is a felony in the US.

    You can get sued warning: Spamming, where you send only one email to
    each person, but send thousands or millions of emails, is borderline
    legal. However, spammers have been successfully sued when they forge
    the email addresses of innocent people as senders of their spam.

    Now that you know how to read and write email with telnet, you
    definitely have something you can use to show off with. Happy hacking!

    Oh, here's one last goodie for advanced users. Get netcat for Windows.
    It's a free program written by Weld Pond and Hobbit, and available
    from many sites, for example . It is
    basically telnet on steroids. For example, using netcat, you can set
    up a port on your Windows computer to allow people to telnet into a
    DOS shell by using this command:

    C:\>nc -L -p 5000 -t -e cmd.exe

    You can specify a different port number than 5000. Just make sure it
    doesn't conflict with another port by checking with the netstat
    command. Then you and your friends, enemies and random losers can
    either telnet in or netcat in with the command:

    C:\>nc -v [ipaddress of target] [port]

    Of course you will probably get hacked for setting up this port.
    However, if you set up a sniffer to keep track of the action, you can
    turn this scary back door into a fascinating honeypot. For example,
    you could run it on port 23 and watch all the hackers who attack with
    telnet hoping to log in. With some programming you could even fake a
    unix-like login sequence and play some tricks on your attackers.

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