Your SlideShare is downloading. ×
Ophcrack
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Saving this for later?

Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime - even offline.

Text the download link to your phone

Standard text messaging rates apply

Ophcrack

1,440
views

Published on

Its an windows password cracker software which is radely available on internet,

Its an windows password cracker software which is radely available on internet,

Published in: Education, Technology

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,440
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
12
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. 1
  • 2. OPHCRACK FAKHAR-UL-HASSAN
  • 3. OPHCRACKDefinition – Ophcrack is a free Windows password cracker based on rainbow tables. – It comes with a Graphical User Interface and runs on multiple platforms. BASIC DESCION MAKING UNITS IN ECONOMY 3 OPHCRACK
  • 4. OPHCRACK⁻ Larger rainbow tables contain LM hashes of passwords with all printable characters, including symbols and spaces.⁻ Ophcrack is available for Windows XP and as well as another for Windows Vista and Windows7.⁻ It become disable for the password longer than 14 characters. 4 OPHCRACK 4
  • 5. RAINBOW TABLE⁻ A rainbow table is a precomputed table for reversing cryptographic hash functions, usually for cracking password hashes.⁻ Tables are usually used in recovering the plaintext password, up to a certain length consisting of a limited set of characters.⁻ These are different for different windows including XP,Vista etc. OPHCRACK 5
  • 6. How to use?⁻ Load the Ophcrack CD to the computer, install and run it.⁻ Click Tables, and select the location or folder to store the rainbow hash tables.⁻ Go to the option Load and select the appropriate password LM (LAN Manager) hash to use.⁻ Select the type of tables you wish to use.⁻ Click Launch to start the cracking process. OPHCRACK 6
  • 7. ADVANTAGES⁻ Free Windows password recovery software.⁻ Works for Windows 7/Vista/XP.⁻ No software installation is necessary to recover passwords.⁻ No knowledge of any existing passwords is necessary.⁻ Graphical User Interface and runs on multiple platforms. OPHCRACK 7
  • 8. DISADVANTAGES⁻ Some antivirus programs mistakenly identify Ophcrack as a Trojan.⁻ The large ISO image will take you much time to download.⁻ Passwords greater than 14 characters cannot be cracked.⁻ Do not work for Windows server 2008(R2)/2003(R2)/ 2000. OPHCRACK 8
  • 9. 9OPHCRACK 9