Change Your IP In Less Than 1 Minute

1. Click on "Start" in the bottom left hand corner of screen
2. Click on "Run"
3. Type in "command" and hit ok

You should now be at an MSDOS prompt screen.

4. Type "ipconfig /release" just like that, and hit "enter"
5. Type "exit" and leave the prompt
6. Right-click on "Network Places" or "My Network Places" on your desktop.
7. Click on "properties"

You should now be on a screen with something titled "Local Area Connection", or something close to that, and, if you have a network hooked up, all of your other networks.

8. Right click on "Local Area Connection" and click "properties"
9. Double-click on the "Internet Protocol (TCP/IP)" from the list under the "General" tab
10. Click on "Use the following IP address" under the "General" tab
11. Create an IP address (It doesn't matter what it is. I just type 1 and 2 until i fill the area up).
12. Press "Tab" and it should automatically fill in the "Subnet Mask" section with default numbers.
13. Hit the "Ok" button here
14. Hit the "Ok" button again

You should now be back to the "Local Area Connection" screen.

15. Right-click back on "Local Area Connection" and go to properties again.
16. Go back to the "TCP/IP" settings
17. This time, select "Obtain an IP address automatically"
tongue.gif 18. Hit "Ok"
19. Hit "Ok" again
20. You now have a new IP address

With a little practice, you can easily get this process down to 15 seconds.

P.S:
This only changes your dynamic IP address, not your ISP/IP address. If you plan on hacking a website with this trick be extremely careful, because if they try a little, they can trace it back

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How to remove write protection

1. Open Start Menu >> Run, type regedit and press Enter, this will open the registry editor. 

2. Navigate to the following path:  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies 

Note: If the registry key StorageDevicePolicies key does not exist, you will need to create it 

Download this batch file called add.bat from here, and double click after download the key will be automatically added to registry. 

write-protection-registry 

3. Double click the key WriteProtect in the right pane and set the value to 0 in the Value Data Box and press OK button 

disable-write-protection 

4. Exit Registry, restart your computer and then again re-connect your USB pen drive on your computer. That is it, done. 

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install Wine 1.5.2 on Ubuntu 12.04 Precise/Ubuntu 11.10 Oneiric/Linux Mint

Wine lets you run Windows software on other operating systems. With Wine, you can install and run these applications just like you would in Windows.
Wine enables Linux, Mac, FreeBSD, and Solaris users to run Windows applications without a copy of Microsoft Windows. Wine is free software under constant development. Other platforms may benefit as well.

What's new in this release:

• Improved naming scheme for audio devices.
• Better support for finding system fonts on Mac OS X.
• Beginnings of support for JPEG encoding.
• Several printing fixes.
• Improvements to the URL cache.
• Various bug fixes.

Install Wine on Ubuntu/Linux Mint open Terminal (Press Alt+F2 and type: gnome-terminal -or- Press Ctrl+Alt+T) and copy the following commands in the Terminal:

Terminal Commands:
sudo add-apt-repository ppa:ubuntu-wine/ppa
sudo apt-get update
sudo apt-get install wine1.5

Here you can download source of Wine 1.5.2 for other Distro's from Source Forge.
Enjoy 

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Cracking Zip Password Files

Tut On Cracking Zip Password Files..
What is FZC? FZC is a program that cracks zip files (zip is a method of compressing multiple files into one smaller file) that are password-protected (which means you're gonna need a password to open the zip file and extract files out of it). You can get it anywhere - just use a search engine such as altavista.com.
FZC uses multiple methods of cracking - bruteforce (guessing passwords systematically until the program gets it) or wordlist attacks (otherwise known as dictionary attacks. Instead of just guessing passwords systematically, the program takes passwords out of a "wordlist", which is a text file that contains possible passwords. You can get lots of wordlists at www.theargon.com.).
FZC can be used in order to achieve two different goals: you can either use it to recover a lost zip password which you used to remember but somehow forgot, or to crack zip passwords which you're not supposed to have. So like every tool, this one can be used for good and for evil.
The first thing I want to say is that reading this tutorial... is the easy way to learn how to use this program, but after reading this part of how to use the FZC you should go and check the texts that come with that program and read them all. You are also going to see the phrase "check name.txt" often in this text. These files should be in FZC's directory. They contain more information about FZC.
FZC is a good password recovery tool, because it's very fast and also support resuming so you don't have to keep the computer turned on until you get the password, like it used to be some years ago with older cracking programs. You would probably always get the password unless the password is longer than 32 chars (a char is a character, which can be anything - a number, a lowercase or undercase letter or a symbol such as ! or &) because 32 chars is the maximum value that FZC will accept, but it doesn't really matter, because in order to bruteforce a password with 32 chars you'll need to be at least immortal..heehhe.. to see the time that FZC takes with bruteforce just open the Bforce.txt file, which contains such information.
FZC supports brute-force attacks, as well as wordlist attacks. While brute-force attacks don't require you to have anything, wordlist attacks require you to have wordlists, which you can get fromwww.theargon.com. There are wordlists in various languages, various topics or just miscellaneous wordlists. The bigger the wordlist is, the more chances you have to crack the password.
Now that you have a good wordlist, just get FZC working on the locked zip file, grab a drink, lie down and wait... and wait... and wait...and have good thoughts like "In wordlist mode I'm gonna get the password in minutes" or something like this... you start doing all this and remember "Hey this guy started with all this bullshit and didn't say how I can start a wordlist attack!..." So please wait just a little more, read this tutorial 'till the end and you can do all this "bullshit".

We need to keep in mind that are some people might choose some really weird passwords (for example: 'e8t7@$^%*gfh), which are harder to crack and are certainly impossible to crack (unless you have some weird wordlist). If you have a bad luck and you got such a file, having a 200MB list won't help you anymore. Instead, you'll have to use a different type of attack. If you are a person that gives up at the first sign of failure, stop being like that or you won't get anywhere. What you need to do in such a situation is to put aside your sweet xxx MB's list and start using the Brute Force attack.
If you have some sort of a really fast and new computer and you're afraid that you won't be able to use your computer's power to the fullest because the zip cracker doesn't support this kind of technology, it's your lucky day! FZC has multiple settings for all sorts of hardware, and will automatically select the best method.

Now that we've gone through all the theoretical stuff, let's get to the actual commands.

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Bruteforce
--------------------------------------------------------------------------------

The command line you'll need to use for using brute force is:

fzc -mb -nzFile.zip -lChr Lenght -cType of chars

Now if you read the bforce.txt that comes with fzc you'll find the description of how works Chr Lenght and the Type of chars, but hey, I'm gonna explain this too. Why not, right?... (but remember look at the bforce.txt too)

For Chr Lenght you can use 4 kind of switches...

-> You can use range -> 4-6 :it would brute force from 4 Chr passwors to 6 chr passwords
-> You can use just one lenght -> 5 :it would just brute force using passwords with 5 chars
-> You can use also the all number -> 0 :it would start brute forcing from passwords with lenght 0 to lenght 32, even if you are crazy i don't think that you would do this.... if you are thinking in doing this get a live...
-> You can use the + sign with a number -> 3+ :in this case it would brute force from passwords with lenght 3 to passwords with 32 chars of lenght, almost like the last option...

For the Type of chars we have 5 switches they are:

-> a for using lowercase letters
-> A for using uppercase letters
-> ! for using simbols (check the Bforce.txt if you want to see what simbols)
-> s for using space
-> 1 for using numbers

Example:
If you want to find a password with lowercase and numbers by brute force you would just do something like:

fzc -mb -nzTest.zip -l4-7 -ca1

This would try all combinations from passwords with 4 chars of lenght till 7 chars, but just using numbers and lowercase.

*****
hint
*****

You should never start the first brute force attack to a file using all the chars switches, first just try lowercase, then uppercase, then uppercase with number then lowercase with numbers, just do like this because you can get lucky and find the password much faster, if this doesn't work just prepare your brain and start with a brute force that would take a lot of time. With a combination like lowercase, uppercase, special chars and numbers.

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Wordlis
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Like I said in the bottom and like you should be thinking now, the wordlist is the most powerfull mode in this program. Using this mode, you can choose between 3 modes, where each one do some changes to the text that is in the wordlist, I'm not going to say what each mode does to the words, for knowing that just check the file wlist.txt, the only thing I'm going to tell you is that the best mode to get passwords is mode 3, but it takes longer time too.
To start a wordlist attak you'll do something like.

fzc -mwMode number -nzFile.zip -nwWordlist

Where:

Mode number is 1, 2 or 3 just check wlist.txt to see the changes in each mode.
File.zip is the filename and Wordlist is the name of the wordlist that you want to use. Remember that if the file or the wordlist isn't in the same directory of FZC you'll need to give the all path.

You can add other switches to that line like -fLine where you define in which line will FZC start reading, and the -lChar Length where it will just be read the words in that char length, the switche works like in bruteforce mode.
So if you something like

fzc -mw1 -nztest.zip -nwMywordlist.txt -f50 -l9+

FZC would just start reading at line 50 and would just read with length >= to 9.

Example:

If you want to crack a file called myfile.zip using the "theargonlistserver1.txt" wordlist, selecting mode 3, and you wanted FZC to start reading at line 50 you would do:

fzc -mw3 -nzmyfile.zip -nwtheargonlistserver1.txt -f50

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Resuming
--------------------------------------------------------------------------------

Other good feature in FZC is that FZC supports resuming. If you need to shutdown your computer and FZC is running you just need to press the ESC key, and fzc will stop. Now if you are using a brute force attack the current status will be saved in a file called resume.fzc but if you are using a wordlist it will say to you in what line it ended (you can find the line in the file fzc.log too).
To resume the bruteforce attack you just need to do:

fzc -mr

And the bruteforce attack will start from the place where it stopped when you pressed the ESC key.
But if you want to resume a wordlist attack you'll need to start a new wordlist attack, saying where it's gonna start. So if you ended the attack to the file.zip in line 100 using wordlist.txt in mode 3 to resume you'll type

fzc -mw3 -nzfile.zip -nwwordlist.txt -f100

Doing this FZC would start in line 100, since the others 99 lines where already checked in an earlier FZC session.

Well, it looks like I covered most of what you need to know. I certainly hope it helped you... don't forget to read the files that come with the program

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HACK WINDOW PASSWORD

Here are the steps involved to Hack the Window XP Administrator Password .

1. Go to Start –> Run –> Type in CMD 
2.You will get a command prompt. Enter these commands the way it is given 
3. cd\ 
4. cd\ windows\system32 
5. mkdir temphack 
6. copy logon.scr temphack\logon.scr 
7. copy cmd.exe temphack\cmd.exe 
8. del logon.scr 
9. rename cmd.exe logon.scr 
10. exit
Wait its not over read the rest to find out how to Hack the Window XP Administrator Password a Brief explanation of what you are currently doing here is
Your are nagivating to the windows system Directory where the system files are stored. Next your creating a temporary directory called mkdir. After which you are copying or backing up the logon.scr and cmd.exe files into the mkdir then you are deleting the logon.scr file and renaming cmd.exe file to logon.scr.
So basically you are telling windows is to backup the command program and the screen saver file. Then we edited the settings so when windows loads the screen saver, we will get an unprotected dos prompt without logging in. When this appears enter this command
net user password
Example: If the admin user name is clazh and you want change the password to pass Then type in the following command
net user clazh pass
This will chang the admin password to pass.Thats it you have sucessfully hacked the Window XP Administrator Password now you can Log in, using the hacked Window XP Administrator Password and do whatever you want to do.
Here are the steps involved to De Hack or restore the Window XP Administrator Password to cover your tracks.
1. Go to Start –> Run –> Type in CMD 2. You will get a command prompt. Enter these commands the way it is given 3. cd\ 4. cd\ windows\system32\temphack 5. copy logon.scr C:\windows\system32\logon.scr 6. copy cmd.exe C:\windows\system32\cmd.exe 7. exit
Or simply go to C:\windows\system32\temphack and copy the contents of temphack back into system32 directory click Yes to overwrite the modified files.
Via internetbusinessdaily.net
Note To administrators: You can block the entire password change thing just a little tweak in the local security policy (control panel->administrative tools,works only for administrators group) will disallow any change in password even if u r the Admin (u can put a number of other restrictions too), but be cautious to give other users limitted accounts. After you have done this, the above Screensaver technique will fail.
Update: Christian Mohn points out The Above method is is possible only if you have Local Administrator Privileges. My fault for not checking it up before posting.
Update: The above Method only works if the system is FAT/FAT32 - because of the updated “user rights management” in NTFS - file level rights etc.

Note that:- This does not work on a system using NTFS

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Basic Entry into a WEP Encrypted Network

This Tutorial explains EVERYTHING in detail So, it is quite long. Enjoy.

1. Getting the right tools
This Tutorial is in Bt3 But Download The Latest Release Bt4.

Download Backtrack 4. It can be found here:

http://www.backtrack-linux.org/downloads/

I downloaded the Dvd iso and burned it to a Dvd. Insert your BT4 Dvd/usb drive and reboot your computer into BT4. I always load into the 3rd boot option from the boot menu. (VESA/KDE) You only have a few seconds before it auto-boots into the 1st option so be ready. The 1st option boots too slowly or not at all so always boot from the 2nd or 3rd. Experiment to see what works best for you.

2. Preparing the slave network for attack

Once in BT4, click the tiny black box in the lower left corner to load up a "Konsole" window. Now we must prep your wireless card.
Type:

airmon-ng

You will see the name of your wireless card. (mine is named "ath0") From here on out, replace "ath0" with the name of your card.
Now type:

airmon-ng stop ath0

then type:

ifconfig wifi0 down

then:

macchanger --mac 00:11:22:33:44:55 wifi0

then:

airmon-ng start wifi0

What these steps did was to spoof (fake) your mac address so that JUST IN CASE your computeris discovered by someone as you are breaking in, they will not see your REAL mac address. Moving on...
Now it's time to discover some networks to break into.

Type:

airodump-ng ath0

Now you will see a list of wireless networks start to populate. Some will have a better signal than others and it is a good idea to pick one that has a decent signal otherwise it will take forever to crack or you may not be able to crack it at all.
Once you see the network that you want to crack, do this:

hold down ctrl and type c

This will stop airodump from populating networks and will freeze the screen so that you can see the info that you need.

**Now from here on out, when I tell you to type a command, you need to replace whatever is in parenthesis with what I tell you to from your screen. For example: if i say to type:
-c (channel)
then dont actually type in
-c (channel)
Instead, replace that with whatever the channel number is...so, for example you would type:
-c 6
Can't be much clearer than that...lets continue...

Now find the network that you want to crack and MAKE SURE that it says the encryption for that network is WEP. If it says WPA or any variation of WPA then move on...you can still crack WPA with backtrack and some other tools but it is a whole other ball game and you need to master WEP first.

Once you've decided on a network, take note of its channel number and bssid. The bssid will look something like this --> 05:gk:30:fo:s9:2n
The Channel number will be under a heading that says "CH".
Now, in the same Konsole window, type:

airodump-ng -c (channel) -w (file name) --bssid (bssid) ath0

the FILE NAME can be whatever you want. This is simply the place that airodump is going to store the packets of info that you receive to later crack. You don't even put in an extension...just pick a random word that you will remember. I usually make mine "wepkey" because I can always remember it.

**Side Note: if you crack more than one network in the same session, you must have different file names for each one or it won't work. I usually just name them wepkey1, wepkey2, etc.

Once you typed in that last command, the screen of airodump will change and start to show your computer gathering packets. You will also see a heading marked "IV" with a number underneath it. This stands for "Initialization Vector" but in noob terms all this means is "packets of info that contain clues to the password." Once you gain a minimum of 5,000 of these IV's, you can try to crack the password. I've cracked some right at 5,000 and others have taken over 60,000. It just depends on how long and difficult they made the password.

Now you are thinking, "I'm screwed because my IV's are going up really slowly." Well, don't worry, now we are going to trick the router into giving us HUNDREDS of IV's per second.

3. Actually cracking the WEP password

Now leave this Konsole window up and running and open up a 2nd Konsole window. In this one type:

aireplay-ng -1 0 -a (bssid) -h 00:11:22:33:44:55 ath0


This will send some commands to the router that basically cause it to associate with your computer even though you are not officially connected with the password. If this command is successful, you should see about 4 lines of text print out with the last one saying something similar to "Association Successful " If this happens, then good! You are almost there. Now type:

aireplay-ng -3 -b (bssid) -h 00:11:22:33:44:55 ath0


This will generate a bunch of text and then you will see a line where your computer is gathering a bunch of packets and waiting on ARP and ACK. Don't worry about what these mean...just know that these are your meal tickets. Now you just sit and wait. Once your computer finally gathers an ARP request, it will send it back to the router and begin to generate hundreds of ARP and ACK per second. Sometimes this starts to happen within seconds...sometimes you have to wait up to a few minutes. Just be patient. When it finally does happen, switch back to your first Konsole window and you should see the number underneath the IV starting to rise rapidly. This is great! It means you are almost finished! When this number reaches AT LEAST 5,000 then you can start your password crack. It will probably take more than this but I always start my password cracking at 5,000 just in case they have a really weak password.

Now you need to open up a 3rd and final Konsole window. This will be where we actually crack the password. Type:

aircrack-ng -b (bssid) (filename)-01.cap

Remember the filename you made up earlier? Mine was "wepkey". Don't put a space in between it and -01.cap here. Type it as you see it. So for me, I would type wepkey-01.cap
Once you have done this you will see aircrack fire up and begin to crack the password. typically you have to wait for more like 10,000 to 20,000 IV's before it will crack. If this is the case, aircrack will test what you've got so far and then it will say something like "not enough IV's. Retry at 10,000." DON'T DO ANYTHING! It will stay running...it is just letting you know that it is on pause until more IV's are gathered. Once you pass the 10,000 mark it will automatically fire up again and try to crack it. If this fails it will say "not enough IV's. Retry at 15,000." and so on until it finally gets it.


If you do everything correctly up to this point, before too long you will have the password! now if the password looks goofy, dont worry, it will still work. some passwords are saved in ASCII format, in which case, aircrack will show you exactly what characters they typed in for their password. Sometimes, though, the password is saved in HEX format in which case the computer will show you the HEX encryption of the password. It doesn't matter either way, because you can type in either one and it will connect you to the network.

Take note, though, that the password will always be displayed in aircrack with a colon after every 2 characters. So for instance if the password was "secret", it would be displayed as:
se:cr:et
This would obviously be the ASCII format. If it was a HEX encrypted password that was something like "0FKW9427VF" then it would still display as:
0F:KW:94:27:VF
Just omit the colons from the password, boot back into whatever operating system you use, try to connect to the network and type in the password without the colons and presto! You are in!

It may seem like a lot to deal with if you have never done it, but after a few successful attempts, you will get very quick with it. If I am near a WEP encrypted router with a good signal, I can often crack the password in just a couple of minutes.

I am not responsible for what you do with this information. Any malicious/illegal activity that you do, falls completely on you because...technically...this is just for you to test the security of your own network. 

I will gladly answer any legitimate questions anyone has to the best of my ability.
HOWEVER, I WILL NOT ANSWER ANYONE THAT IS TOO LAZY TO READ THE WHOLE TUT AND JUST ASKS ME SOME QUESTION THAT I CLEARLY ANSWERED. No one wants to hold your hand through this...read the tut and go experiment until you get it righ

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How to Recover Hidden Files From Virus Infected USB Pendrive without any Software

We are using USB pen drives for data transfer between computers. It's very important to keep your data always with you. When you're using pen drives, the biggest problem is Viruses. Mostly pen drives doesn't consist any security measures. So viruses and malwares can attack our pen drive easily. If virus attacks your pen drive, it hides the all the files and creates .exe extension to replace the hidden files.

Normally you can view hidden files by clicking
Folder Options -->
View -->
Show Hidden Files and Folders
But this simple method doesn't work when your pen drive is attacked by harmful viruses.

So here I'll provide you an easiest method to view your infected files from pen drive without using any software.

Insert pen drive into computer and find drive letter of connected USB drive
For Example, E:

Now click on Start --> Run

In Run box, type cmd and hit Enter

Now command prompt will appear, in command prompt type the drive letter of your pen drive and hit Enter.
Example type E:

After that, type attrib -s -h /s /d *.*

Now hit Enter and wait for sometime. That's all, you have done !!! Now you can view all your files in pen drive without any problems.

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How to Bypass BIOS Passwords

BIOS passwords can add an extra layer of security for desktop and laptop computers. They are used to either prevent a user from changing the BIOS settings or to prevent the PC from booting without a password. Unfortunately, BIOS passwords can also be a liability if a user forgets their password, or changes the password to intentionally lock out the corporate IT department. Sending the unit back to the manufacturer to have the BIOS reset can be expensive and is usually not covered in the warranty. Never fear, all is not lost. There are a few known backdoors and other tricks of the trade that can be used to bypass or reset the BIOS
DISCLAIMER
This article is intended for IT Professionals and systems administrators with experience servicing computer hardware. It is not intended for home users, hackers, or computer thieves attempting to crack the password on a stolen PC. Please do not attempt any of these procedures if you are unfamiliar with computer hardware, and please use this information responsibly. LabMice.net is not responsible for the use or misuse of this material, including loss of data, damage to hardware, or personal injury.

Before attempting to bypass the BIOS password on a computer, please take a minute to contact the hardware manufacturer support staff directly and ask for their recommended methods of bypassing the BIOS security. In the event the manufacturer cannot (or will not) help you, there are a number of methods that can be used to bypass or reset the BIOS password yourself. They include:
Using a manufacturers backdoor password to access the BIOS
Use password cracking software
Reset the CMOS using the jumpers or solder beads.
Removing the CMOS battery for at least 10 minutes
Overloading the keyboard buffer
Using a professional service
Please remember that most BIOS passwords do not protect the hard drive, so if you need to recover the data, simply remove the hard drive and install it in an identical system, or configure it as a slave drive in an existing system. The exception to this are laptops, especially IBM Thinkpads, which silently lock the hard drive if the supervisor password is enabled. If the supervisor password is reset without resetting the and hard drive as well, you will be unable to access the data on the drive.

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Backdoor passwords
Many BIOS manufacturers have provided backdoor passwords that can be used to access the BIOS setup in the event you have lost your password. These passwords are case sensitive, so you may wish to try a variety of combinations. Keep in mind that the key associated to "_" in the US keyboard corresponds to "?" in some European keyboards. Laptops typically have better BIOS security than desktop systems, and we are not aware of any backdoor passwords that will work with name brand laptops.
WARNING: Some BIOS configurations will lock you out of the system completely if you type in an incorrect password more than 3 times. Read your manufacturers documentation for the BIOS setting before you begin typing in passwords
Award BIOS backdoor passwords:
ALFAROME ALLy aLLy aLLY ALLY aPAf _award AWARD_SW AWARD?SW AWARD SW AWARD PW AWKWARD awkward BIOSTAR CONCAT CONDO Condo d8on djonet HLT J64 J256 J262 j332 j322 KDD Lkwpeter LKWPETER PINT pint SER SKY_FOX SYXZ syxz shift + syxz TTPTHA ZAAADA ZBAAACA ZJAAADC 01322222
589589 589721 595595 598598
AMI BIOS backdoor passwords:
AMI AAAMMMIII BIOS PASSWORD HEWITT RAND AMI?SW AMI_SW LKWPETER A.M.I. CONDO
PHOENIX BIOS backdoor passwords:
phoenix, PHOENIX, CMOS, BIOS
MISC. COMMON PASSWORDS
ALFAROME BIOSTAR biostar biosstar CMOS cmos LKWPETER lkwpeter setup SETUP Syxz Wodj
OTHER BIOS PASSWORDS BY MANUFACTURER
Manufacturer Password
VOBIS & IBM merlin
Dell Dell
Biostar Biostar
Compaq Compaq
Enox xo11nE
Epox central
Freetech Posterie
IWill iwill
Jetway spooml
Packard Bell bell9
QDI QDI
Siemens SKY_FOX
TMC BIGO
Toshiba Toshiba
TOSHIBA BIOS
Most Toshiba laptops and some desktop systems will bypass the BIOS password if the left shift key is held down during boot
IBM APTIVA BIOS
Press both mouse buttons repeatedly during the boot

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Password cracking software
The following software can be used to either crack or reset the BIOS on many chipsets. If your PC is locked with a BIOS administrator password that will not allow access to the floppy drive, these utilities may not work. Also, since these utilities do not come from the manufacturer, use them cautiously and at your own risk.
Cmos password recovery tools 3.1
!BIOS (get the how-to article)
RemPass
KILLCMOS
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Using the Motherboard "Clear CMOS" Jumper or Dipswitch settings
Many motherboards feature a set of jumpers or dipswitches that will clear the CMOS and wipe all of the custom settings including BIOS passwords. The locations of these jumpers / dipswitches will vary depending on the motherboard manufacturer and ideally you should always refer to the motherboard or computer manufacturers documentation. If the documentation is unavailable, the jumpers/dipswitches can sometimes be found along the edge of the motherboard, next to the CMOS battery, or near the processor. Some manufacturers may label the jumper / dipswitch CLEAR - CLEAR CMOS - CLR - CLRPWD - PASSWD - PASSWORD - PWD. On laptop computers, the dipswitches are usually found under the keyboard or within a compartment at the bottom of the laptop.
Please remember to unplug your PC and use a grounding strip before reaching into your PC and touching the motherboard. Once you locate and rest the jumper switches, turn the computer on and check if the password has been cleared. If it has, turn the computer off and return the jumpers or dipswitches to its original position.

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Removing the CMOS Battery
The CMOS settings on most systems are buffered by a small battery that is attached to the motherboard. (It looks like a small watch battery). If you unplug the PC and remove the battery for 10-15 minutes, the CMOS may reset itself and the password should be blank. (Along with any other machine specific settings, so be sure you are familiar with manually reconfiguring the BIOS settings before you do this.) Some manufacturers backup the power to the CMOS chipset by using a capacitor, so if your first attempt fails, leave the battery out (with the system unplugged) for at least 24 hours. Some batteries are actually soldered onto the motherboard making this task more difficult. Unsoldering the battery incorrectly may damage your motherboard and other components, so please don't attempt this if you are inexperienced. Another option may be to remove the CMOS chip from the motherboard for a period of time.
Note: Removing the battery to reset the CMOS will not work for all PC's, and almost all of the newer laptops store their BIOS passwords in a manner which does not require continuous power, so removing the CMOS battery may not work at all. IBM Thinkpad laptops lock the hard drive as well as the BIOS when the supervisor password is set. If you reset the BIOS password, but cannot reset the hard drive password, you may not be able to access the drive and it will remain locked, even if you place it in a new laptop. IBM Thinkpads have special jumper switches on the motherboard, and these should be used to reset the system.

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Overloading the KeyBoard Buffer
On some older computer systems, you can force the CMOS to enter its setup screen on boot by overloading the keyboard buffer. This can be done by booting with the keyboard or mouse unattached to the systems, or on some systems by hitting the ESC key over 100 times in rapid succession.

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Jumping the Solder Beads on the CMOS
It is also possible to reset the CMOS by connecting or "jumping" specific solder beads on the chipset. There are too many chipsets to do a breakdown of which points to jump on individual chipsets, and the location of these solder beads can vary by manufacturer, so please check your computer and motherboard documentation for details. This technique is not recommended for the inexperienced and should be only be used as a "last ditch" effort.

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Using a professional service

If the manufacturer of the laptop or desktop PC can't or won't reset the BIOS password, you still have the option of using a professional service. Password Crackers, Inc., offers a variety of services for desktop and laptop computers for between $100 and $400. For most of these services, you'll need to provide some type of legitimate proof of ownership. This may be difficult if you've acquired the computer second hand or from an online auction.

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How to shutdown your friend's Pc through chating using cmd

Hello friends.
                   You can shutdown your friend's computer through chating. This is very simple and cool trick. Kindly follow these steps :-

Step 1: Before going to start clear all history, all cookies, stop all downloading and close all extra tabs. Mean to say stop all internet activities. Now go to your messanger and start chating with the victim.
Step 2: Go the start and click on run.
Step 3: In run command type cmd.exe and hit enter.
Step 4: A black screen will appear. This is command prompt. In this box type "netstat -n" (without quotes).
Step 5: Now if you done the step one correctly you see only one ip address many times (ip should be of victim).
Step 6: Now again, type "shutdown -i"(without quotes).A box will appear now click on add button.A small box will pop up. Now type ip address of computer which you get from "netstat -n" command.
Step 7: Now there are three options click on shutdown.
Step 8: To show a message to victim's computer check the "warm users of the action" and set the number of seconds.
Step 9: Now select any option in shutdown event tracker.
Step 10: Now comes the best part of the prank. In last type your message like you got hacked and we destroy your computer. After this shutdown your computer is not going to start(type anything that scare your victim). Now click on ok and you are done.

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2600 Hertz Single Tone Generator Schematic

2600 Hertz Single Tone Generator  Schematic
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Parts:  555 timer I.C.
        8 ohm speaker                          |
        9 volt battery & connector           --+--  =  connection
        Push button switch                      |
        5k potentiometer
        1k ohm resistor                        |
        4.7 micro-farad capacitor            -----  =  no connection
        3.3 micro-farad capacitor              |


                   +----+-------------------------------+
                   |    |                               |
                   |    V      1k                       |
                   |  /\/\/-+-/\/\/-+---------------+   |
          +--------+   5k   |       |               |   |
          |     ---|--------|-------|--------|---   |   |
pshbtn  | o     |  8        7       6        5  |   |   |
switch -+       |                               |   |   |
        | o     |||           5 5 5             |   |   |
          |     |||           TIMER             |   |   |
          |     |                               |   |   |
  (+)-----+     |  1        2       3        4  |   |   |
9 volts         ---|--------|-------|--------|---   |   |
  (-)--------------+        |       |        |      |   |
                   |        +-----------------------+   |
                   |  3.3uF         |        |          |
                   +--->|--------------------+----------+
                   |                |
           4.7uF  \_/               |
                  ---               |
                   |(+)             |
                   |     ______     |
                   +----| 8ohm |----+
                       /__SPKR__\


To calibrate:

Play next to a pure 2600hz source and adjust the 5k potentiometer until the two
sounds are the same. As you get closer you will hear a beat tone form and get
slower and slower. When it stops, the two frequencies are equal. This takes a
little practice.

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