Posted by: so free on: October 09, 2010
How to restore Windows password (read: more precisely to break down) is often yourfound in many articles. Some use harsh way, is to make passwordsnew or overwrite the old password without needing to know the existing passwordpreviously, or with various password recovery software.Of the many ways, the authors would like to share one way that is good enough (the best according toclaims the examiners who have to prove it). Namely by using Ophcrack.What is Ophcrack?Ophcrack is a free Windows password breakers are very efficient. This program runs onWindows operating system, Linux, Unix and Mac OS X. Ophcrack has several versions that you canselect as needed such as:[1] Ophcrack All platforms where you can choose the appropriate type of operating system. This optionrequire installation into a Windows system[2] Ophcrack Live CD where the program is bundled in a live CD so it can run withoutneed to install into the computer. Live CDs have two choices for WinXP Ophcrack(452.31MB) and Vista (532.89MB).All versions can be downloaded at http://ophcrack.sourceforge.net.In this article, the authors use Ophcrack Live CD version 2.1.0 for Windows XP. Version 2.1.0is a live CD version and in it is already integrated Ophcrack vers.3.2.1. On the Live CD version alreadyRainbow Tables integrated standard. Rainbow Tables are the data tables that can be structuredperform the function of time-memory tradeoff used to restore the plaintext password frompasswords are encrypted.Running Ophcrack LiveCD 2.1.0The author assumes that you already downloaded the ISO and burn it on a CD. Setyour computer boot from the CD and Insert the CD Ophcrack LiveCD 2.1.0.Then you will get 3 options, namely:[1] Ophcrack Graphic Mode[2] Ophcrack Graphic Mode Vesa[3] Ophcrack Text ModeThe author chose Ophcrack Graphic Mode. Wait loading for a while ....After the module is loaded, the system will locate the Windows installation on a computer hard drive. If you havefound, the system will run Ophcrack vers.3.2.1 and try to solve the passwordWindows automatically, quickly and accurately.
Password security testing and the ability OphcrackDuring testing, the authors put a password on the user's Windows account withkombiniasi numbers and letters. Ophcrack is very quick in getting the passwordWindows, which is about 3-4 minutes for a password less than 6 characters and 5-8 minutes for the passwordbetween 7-12 characters. For complex passwords that are tested by the author, unable Ophcrackrestore passwords 14 characters with a combination of numbers and letters.CoverTo minimize the computer from the Windows password hacking methods such as this, protect the BIOS withpassword, and avoid setting first boot Windows from a CD.
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