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Help decrypting
Posted by: PaPPy
Date: January 11, 2012 12:06PM

I am trying to decrypt the image created text on tnid.us

I have already written a post on how to read all the possibilities with OCR (http://sla.ckers.org/forum/read.php?15,36823,36823#msg-36823), but I want to try cracking the string, as it would go so much faster (and less software to install).


I have tried eliminated common letters like N2tLG5e6t10I-dici1q662kZ2LtQ..

But I don't know.

Obviously the data is not stored, it is just generated. I don't think it is session driven. No cookies are set.

And it doesn't look like any encryption I have seen.

Here is what I have figured out from the strings. (sometimes, multiple letters could change the same letter in the image) (for example below in the J, y changed it and then the next y changed it as well)


/callerid.php?q=ydSKsoCyypDAzaWRm6yxz7GssNN2tLG5e6t10I-dici1q662kZ2LtQ.. = NEW JERSEY
N y
E K
W
(space) 0
J y y
E
R A
S
E R
Y 6 (5 was x)




/callerid.php?q=y9SKrYrDypq_ypiyjZyxz7GssNN2tLG5e6t10I-dici1q662kZ2LtQ.. = VERIZON
V y
E K
R r
I
Z y D
O
N -


/callerid.php?q=x9SsqozYxo-8tJiyjZyxz7GssNN2tLG5e6t10I-dici1q662kZ2LtQ.. = FLORIDA
F x
L
O s q
R o
I Y x
D o
A 8


/callerid.php?q=ydSKsoCyypDAzaWRm6yxz7GssNN2tLG5e6t10I-dici1q662kZ2LtQ.. = NEW JERSEY

/callerid.php?q=y9SKrYrDypq_ypiyjZyxz7GssNN2tLG5e6t10I-dici1q662kZ2LtQ.. = VERIZON

/callerid.php?q=x9SsqozYxo-8tJiyjZyxz7GssNN2tLG5e6t10I-dici1q662kZ2LtQ.. = FLORIDA

/callerid.php?q=ypuCyZufoLO0pqW3nYvc28nAtNN2tLG5e6t10I-dici1q662kZ2LtQ.. = Schwab Cecilia

/callerid.php?q=y66BwYyexp7Bpq2ZmdKyrLyuxcN2tLG5e6t10I-dici1q662kZ2LtQ.. = TC SYSTEMS CLEV


Any thoughts, suggestions?

http://www.xssed.com/archive/author=PaPPy/

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Re: Help decrypting
Posted by: Skyphire
Date: January 13, 2012 07:24PM

It looks much like DES or Extended DES, used in PHP's Crypt().

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