Purpose:
- To gain a more through understating and need for complex passwords, password cracking techniques and rainbow tables through using John the Ripper.
Materials:
- John the Ripper will be used to crack Windows XP user account passwords.
- PWDump7 will be used to acquire the hashes that make up the user account passwords on the Windows XP virtual machine.
- Windows notepad will be used to edit, create and save files.
- Windows XP will be running on a virtual machine.
- VMware Player is the virtual machine player that Windows 2000 Pro and XP will be running on.
- An HP laptop computer running Windows 8.1 will be used to operate VMware Player, which is then used to run John the Ripper on Windows XP.
Procedures and Results
PWDump7 will first be used to acquire the hashes that make up user account passwords on a Windows XP system. PWDump7.exe will be copied from the downloaded D2L file and pasted into C:WINDOWSsystem32. Once PWDump7.exe has been pasted into C:WINDOWSsystem32, the file will be ran through the command prompt. The command, “pwdump7 >> C:Log.txt” will be entered into the command prompt. This command states that the pwdump7.exe will run and send its output into a file name “Log.txt” on the C drive. The file contents consist of the hashes that make up the Windows XP passwords for this systems users. This will conclude the use of PWDump7.
John the Ripper will now be utilized to figure out the passwords of the users based on the hashes PWDump7 created. The Log.txt file that was created from running PWDump7 will now be moved from the C drive into the same file folder that has John the Ripper files inside of it. In this case, the “Log.txt” file will be moved to “C:Documents and SettingsAdministratorDesk...
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... any user to use and add too. The software developers that created John the Ripper and John the Ripper Pro also sell a collection of this very thing.
The speed at which John the Ripper was able to crack passwords that consisted of words was immensely faster than passwords that contained uppercase letters with lower case letters and numbers. It took 1 second for John the Ripper to crack the password “password” on one of the created Windows XP accounts. For the password, “F18H0rnet”, on another created account, John the Ripper had yet to crack the password after 30 minutes. A GPU processing card, like the NVIDIA Tesla K40, contains 1.4 Tflops of power from 2880 processing cores and would be an incredible assets to have if password cracking was to become a more common occurrence or the need to crack complex passwords in a timely and efficient manner was needed.
The password related configuration changes which are recommended below will make it more difficult or unauthorized users to figure out user passwords and access systems with the identified
From 1888-1891 a portion of London England known as Whitechapel was terrorized by a rash of murders. In total eleven women were murdered, five of those are thought to be the victim of one of the most well-known serial killers whom was never identified, Jack the Ripper. Out of the murders committed in the two year period, the five had like backgrounds, they lived in boarding houses and were prostitutes, alcoholics, or both. The women were found with their bodies lying on their backs with the legs spread apart. The victims were also found to have been murdered in like fashion with their throats had been slit and their bodies mutilated. This gave Jack the Ripper a specific modus operandi narrowing down the field of likely victims from the original total. Those five murders also took place in a time span of ten months.
"I am down on whores and shant quit ripping them until I do get buckled,” (Pulditor 48). That statement was sent from Jack the Ripper himself to Scotland Yard, a detective in the case. Jack the Ripper was a horrendous serial killer that preyed on prostitutes in the late 1880s (Pulditor 45-47). Mary Ann “Polly” Nichols, Annie Chapman, Elizabeth Stride, Kate Eddowes, and Mary Kelly are five of the prostitutes’ murdered by Jack the Ripper (Anderson 10-51). Although the true identity of Jack the Ripper has never been identified, experts have investigated Prince Albert Victor, Thomas Neill Cream, and Montague John Druitt as prime suspects.
On August 12, 2003, a computer worm was released called MSBlaster.B, which was distributed through two files “teekids.exe” ( which included code that directs compromised computers to attack the Microsoft domain name www.windowsupdate.com and a backdoor file “Lithium” ( which allows a way into a password protected system without use of a password and remote control a system). The worm itself targeted mostly Windows 2000 & Windows XP systems. If Windows NT or Windows 2003 servers do not have the appropriate patches, they too may be vulnerable. The function of the worm is to exploit the DCOM RPC vulnerability.
Privacy and security issues have become one of the top concerns among computer users in today’s market. It has become a game of survival of the fittest in protection of your security. The only true way to defend yourself is knowledge. You should prepare your self against hackers, spammers and potential system crashing viruses and web bugs. Lets focus on how you can protect yourselves from the would be thieves.
Jack the Ripper is one of the most well-known serial killers of the ages. Although everyone knows the name, “Jack the Ripper,” nobody really knows of his true identity. When the murder victims were found the press and the detectives could never put a name with the crime.
of a camp shot a ten year old boy who could not remember the password.
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Aldous Huxley’s, “Brave New World,” explores the roles of people in society, morals concerning sexual activity, and other controversies in our reality. One of the principal characters in the novel is ‘John the Savage.’ John is a unique character in the story because unlike the other characters in the book, his emotions and morals were similar to those of the majority of our society. He felt emotions in a way others did not, and his morals can be regarded as ethically right (for example, he did not consider sex to be meaningless; in fact, he considered it an intimate act. Unfortunately, by the end of the story, John develops into a corrupt and barbaric man- the novel even finishes with the image of John whipping both himself and others, eliminating our prior perception of John’s character. This paper will analyse the themes and importance of the final moments of “Brave New World,” and explore how a person’s sexual experience is heavily experienced by their environment.
Users are also notorious for leaving passwords written down in close proximity to their devices. Some users take this a step further and keep a list of a rotation of all the passwords they use. Passwords also present another weak link in the fact that they can be shared between users, or given out durin...
[15] T. J. Klevinsky, Scott Laliberte, and Ajay Gupta. (2002). Hack I.T.: Security Through Penetration Testing. Addison-Wesley Professional.
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The text was written by The PuppetMaster2501.I am proud member of one of the newest crack groups called D.O.C. - Defenders of Cracking.If you have some experience in cracking hacking or can program some graphic tools in Turbo Pascal or C++ and wanna be an Defender too and an member of D.O.C. then send me an e-mail and i will contact you.
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