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Difference between pages "File Format Identification" and "EFS"

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File Format Identification is the process of figuring out the format of a sequence of bytes. Operating systems typically do this by file extension or by embedded MIME information. Forensic applications need to identify file types by content.
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#REDIRECT [[Windows Encrypted File System]]
 
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=Tools=
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==libmagic==
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* Written in C.
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* Rules in /usr/share/file/magic and compiled at runtime.
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* Powers the Unix “file” command, but you can also call the library directly from a C program.
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* http://sourceforge.net/projects/libmagic
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==DROID==
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* Writen in Java
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* Developed by National Archives of the United Kingdom.
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* http://droid.sourceforge.net
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==TrID==
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* XML config file
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* Closed source; free for non-commercial use
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* http://mark0.net/soft-trid-e.html
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==Stellent/Oracle Outside-In==
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* Proprietary but free demo.
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* http://www.oracle.com/technology/products/content-management/oit/oit_all.html
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[[Category:Tools]]
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=Bibliography=
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Current research papers on the file format identification problem. Most of these papers concern themselves with identifying file format of a few file sectors, rather than an entire file.
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* Mason McDaniel, Automatic File Type Detection Algorithm, Masters Thesis, James Madison University,2001
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* [http://www2.computer.org/portal/web/csdl/abs/proceedings/hicss/2003/1874/09/187490332a.pdf Content Based File Type Detection Algorithms], Mason McDaniel and M. Hossain Heydari, 36th Annual Hawaii International Conference on System Sciences (HICSS'03) - Track 9, 2003.
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* [http://www1.cs.columbia.edu/ids/publications/FilePrintPaper-revised.pdf Fileprints: identifying file types by n-gram analysis], LiWei-Jen, Wang Ke, Stolfo SJ, Herzog B..,  IProceeding of the 2005 IEEE workshop on information assurance; 2005 [http://www.itoc.usma.edu/workshop/2005/Papers/Follow%20ups/FilePrintPresentation-final.pdf [slides]]
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* [http://ieeexplore.ieee.org/iel5/10992/34632/01652088.pdf  File type identification of data fragments by their binary structure. ], Karresand Martin, Shahmehri Nahid. Proceedings of the IEEE workshop on information assurance; 2006b. p. 140–7. [http://www.itoc.usma.edu/workshop/2006/Program/Presentations/IAW2006-07-3.pdf [slides]]
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* FORSIGS; Forensic Signature Analysis of the Hard Drive for Multimedia File Fingerprints, John Haggerty and Mark Taylor, IFIP TC11 International Information Security Conference, 2006, Sandton, South Africa.
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* [https://www.cerias.purdue.edu/tools_and_resources/bibtex_archive/archive/2007-19.pdf Using Artificial Neural Networks for Forensic File Type Identification], Ryan M. Harris, Master's Thesis, Purdue University, May 2007
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* [http://www.dfrws.org/2008/proceedings/p14-calhoun.pdf Predicting the Types of File Fragments], William Calhoun, Drue Coles, DFRWS 2008 [http://www.dfrws.org/2008/proceedings/p14-calhoun_pres.pdf [slides]]
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[[Category:Bibliography]]
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Latest revision as of 10:19, 31 December 2008