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IT Security and Insecurity Portal |
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I have an SQL dump file which I want to exploit |
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 Posted: Thu Jul 08, 2010 5:53 pm |
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| D1scord |
| Regular user |
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| Joined: Jul 08, 2010 |
| Posts: 7 |
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I have successfully negotiated to the relevant tables and exported all of the 2000 usernames / passwords etc to an excel file.
The passwords are hashed (MD5) and salt. I have the salt information in a separate column.
Now I have a few questions (very n00bish so I apologise in advance).
1. Since I have the entire d-base can I just modify it in some way to reveal all of the hashed passwords into plain text?
2. I am getting my head around rainbow tables. I ran a sample of the MD5 hashes through some of the online crackers but had no luck. Because of the salt I assume?
How to incorporate the salt information stored in the relevant column to support the cracking process?
3. I also have all of the plaintext private messages that were sent via the bulletin board that the SQL file came from, approx 21,000. Is there a technique for searching this data for particular strings?
If anybody has any other ideas and what to do I would love to hear them.
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| Posted: Thu Jul 08, 2010 6:53 pm |
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| vince213333 |
| Advanced user |
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| Joined: Aug 03, 2009 |
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| Location: Belgium |
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Question 1
You cannot modify the database to show the plaintext passwords. You need to crack the md5 hashes or install a logger on the site that logs the plaintext into a database/file/...
Question 2
Rainbow tables are meant to be used with unsalted hashes. The don't work unless you have a rainbow table for each specific salt (which I doubt). You need to import the md5 hash and the matching salt into a password cracker like the famous passwordspro.
Question 3
You can use an SQL query with the Like statement (Google is your friend). |
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| Posted: Thu Jul 08, 2010 7:27 pm |
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| D1scord |
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| Joined: Jul 08, 2010 |
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| vince213333 wrote: | Question 1
You cannot modify the database to show the plaintext passwords. You need to crack the md5 hashes or install a logger on the site that logs the
plaintext into a database/file/...
Question 2
Rainbow tables are meant to be used with unsalted hashes. The don't work unless you have a rainbow table for each specific salt (which I doubt). You need to import the md5 hash and the matching salt into a password cracker like the famous passwordspro.
Question 3
You can use an SQL query with the Like statement (Google is your friend). |
Thanks man - I really appreciate that.
The learning curve is steep and the time is finite! |
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| Posted: Thu Jul 08, 2010 8:17 pm |
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| vince213333 |
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My pleasure  It's steep but not everything is easy. If you need help with anything, feel free to ask ^^ |
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| Posted: Fri Jul 09, 2010 12:06 am |
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| earthquaker |
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| why dont u post the hash's+salt here |
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| Posted: Fri Jul 09, 2010 4:45 am |
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| D1scord |
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| earthquaker wrote: | | why dont u post the hash's+salt here |
All 1500? |
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| Posted: Fri Jul 09, 2010 6:06 am |
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| earthquaker |
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| Posted: Sat Jul 10, 2010 9:39 pm |
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| D1scord |
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| Joined: Jul 08, 2010 |
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| Posted: Fri Jul 16, 2010 11:50 am |
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| D1scord |
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Is nobody interested in this? |
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| Posted: Fri Jul 16, 2010 2:15 pm |
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| earthquaker |
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| have u got the whole .sql dump or just this piece ? if u have the whole thing then msg me |
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