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IT Security and Insecurity Portal |
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Rainbow tables and linux passwords |
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 Posted: Mon May 30, 2005 10:38 am |
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| nirVaan |
| Regular user |
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| Joined: May 20, 2005 |
| Posts: 8 |
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sorry about the erlier post i ment to write it here
so here it is
hello guys
i have 2 questions
first can you use rainbow tables to crack linux password (provided i have the shadow file)
what is the hashing algorythm used in linux is it MD5 if so doesnt md5 hashes only create hexa decimal numbers so how come those those linux hashes have wired characters like $ sing and etc...
little explenation on this is greatly appresiated
thankz |
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| Posted: Mon May 30, 2005 2:48 pm |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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Maybe that shadow file contains stuff like this:
| Code: |
root:$1$e8aD.GAJ$RVs8vl4KaXt/hr2pLAHjc.:12515:0:99999:7:::
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$1$ means, that it's md5 one-way hash.
"e8aD.GAJ" - those 8 characters are salt for making password cracking harder.
"RVs8vl4KaXt/hr2pLAHjc" - it's base64 encoded md5 hash of the salted password.
As soon, as i can understand, there is no help from rainbow crack in current moment in case of salted passwords.[/quote] |
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