January 15, 2004

word document security

ive been hearing about the break of the MS Word "protected document" for a while. well, here it is.

and for posterity, here's how its done in 9 easy steps:
1.) Open a protected document in MS Word
2.) Save as "Web Page (*.htm; *.html)", close Word
3.) Open html-document in any Text-Editor
4.) Search "" tag, the line reads something like 
    that: ABCDEF01
5.) keep the "password" in mind
6.) Open original document (.doc) with any hex-editor
7.) search for hex-values of the password (reverse order!)
8.) Overwrite all 4 double-bytes with 0x00, Save, Close
9.) Open document with MS Word, Select "Tools / Unprotect Document" 
    (password is blank)

Posted by Steve on January 15, 2004 12:06 PM
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