ACTIVITY: RAINBOW TABLES WITH OPHCRACK
This activity is ungraded.
Remember: Be sure to watch this Demo video from this unit before trying this activity. Watching me do it first will help you understand each of the steps.
Rainbow Table Attacks with ophcrack
System: There are modified instructions below for Windows 10 systems.
Time: This activity should take you approximately 20 minutes to complete.
Downloads
Ophcrack; Click Download ophcrack All PlatformsOphcrack Tables
Vista free (461MB)Vista proba free (581MB)
Goal
To see how rainbow tables are formed.
Instructions
Now it’s time to use rainbow tables to crack passwords!
Install and launch Ophcrack
Click the download button for Windows (portable).Extract the ZIP and install the software.In the uncompressed folder, select x86 if you’re on a 32-bit machine or x64 for 64 bit platforms.Right click the ophrack.exe file and launch the program as an Administrator.Go to the ophcrack table download page.Read the descriptions next to each of the download buttons.Download the first two Vista tables:Vista free (461MB)Vista proba free (581MB)Extract the ZIP files so there is a regular folder for each.In ophrack, click Tables at the top.Click Vista free, and then click the Install button.Browse to the extract tables_vista_free folder, and click the Select Folder button.You should see a green dot next to Vista Free in the Table Selection window in ophcrack.Repeat the above steps to install the Vista probabilistic free table.Click OK.
Watch rainbow tables being generated
Back in the main screen, you should see the two tables in the lower pane.Click the Load button, and select Local SAM with samdump2. (Windows 10 systems will need to use pwdump_7 to dump the hashes and then click Load and select PWDUMP file instead)You should see the user accounts and their corresponding hashes in the main pane.Click the Crack button.You can watch the progress by expanding Vista free and Vista pro in the lower pane, and eventually see the cracked passwords in the upper pane.
After you've finished, answer the Check Your Work questions.
转载于:https://www.cnblogs.com/sec875/articles/10015992.html
相关资源：Cracking Codes with Python: An Introduction to Building and Breaking Ciphers
