Nevins Duret wrote:
A good friend of mine locked herself out of her computer and forgot her
password. I pretty much scoured the internet as
a resource only to hit a brick wall. I tried using ophcrack version 2.3.1
in order to obtain the password and felt completely at home
being that it was Linux, but then towards the end it failed and the output
of this file which seems to contain the Users and passwords
but in Unicode format:
Administrator:500::31d6cfe0d16ae931b73c59d7e0c089c 0:::
Guest:501::31d6cfe0d16ae931b73c59d7e0c089c0:::
SUPPORT_388945a0:1002::881037e0b6909b04b6900f7c806 dca6e:::
HelpAssistant:1004:b209ce7e3ff7aea1131906e9f5df481
9:d83f663c50bcd5815ccb94f9e38a9a4b:::
Beverly:1005:00006395b1acd69aaad3b435b51404ee:992a
c78ffb08204c592c6e47b916f85d:::
I see no Unicode there. It looks like plain ASCII. Are you sure you
understand how to use ophcrack? Perhaps you should be asking on a
ophcrack mailing list (if they have one).
And it didn't complete as a result of this error message:
Tables found:
/mnt/hdc/tables/xp_free_small
Found one partition that contains hashes:
/mnt/hda1/WINDOWS/system32/config
Starting Ophcrack
QIconvCodec::convertFromUnicode: using ASCII for conversion, iconv_open
failed
QIconvCodec::convertToUnicode: using ASCII for conversion, iconv_open failed
/home/tux/launch.sh: line 100: 1044 Killed
ABLES_INLINE -w $FOUND/ -n $numcpu -o /tmp/ophcrack.txt $opts
Press a key to exit::
Looks to me like a bug in ophcrack, although I could be wrong.
Now , I remember reading somewhere that Python is very good for converting
Unicode
data into ASCII and admittedly know nothing about this:
Before asking any more questions about converting Unicode to ASCII, I
think you need to read this article:
http://www.joelonsoftware.com/articles/Unicode.html
You can't just "convert" Unicode to ASCII -- what would you expect to
get if you convert (say) "πΣՋوຜ₦ℵ↷"? For starters, you need to know what
encoding(s) are being used.
Is there a work around in Python where I can simply import the file like and
convert it to readable string using
A for loop.
Import *which* file?
What does ophcrack consider "readable"?
How do you know that you're not making the problem worse?
No, don't go down this track. You'll probably end up making your
friend's computer completely unusable without a complete re-build. My
advice is to start with Microsoft's instructions:
http://support.microsoft.com/kb/321305
and if they aren't helpful, then try using a Linux live cd to reset the
password. You can find instructions on the internet, such as:
http://www.ehow.com/how_6532691_change-xp-password-linux.html
http://www.psychocats.net/ubuntucat/resetwindowspassword/
--
Steven
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