Difference between revisions of "File Format Identification"
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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. | 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 | ||
; [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]] | ; [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]] | ||
Revision as of 22:22, 19 October 2008
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.
Contents |
Tools
libmagic
- Written in C.
- Rules in /usr/share/file/magic and compiled at runtime.
- Powers the Unix “file” command, but you can also call the library directly from a C program.
- http://sourceforge.net/projects/libmagic
DROID
- Writen in Java
- Developed by National Archives of the United Kingdom.
- http://droid.sourceforge.net
TrID
- XML config file
- Closed source; free for non-commercial use
- http://mark0.net/soft-trid-e.html
Stellent/Oracle Outside-In
- Proprietary but free demo.
- http://www.oracle.com/technology/products/content-management/oit/oit_all.html
Bibliography
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.
- Mason McDaniel, Automatic File Type Detection Algorithm, Masters Thesis, James Madison University,2001
- Predicting the Types of File Fragments, William Calhoun, Drue Coles, DFRWS 2008 [slides]
- 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. [slides]
- Fileprints: identifying file types by n-gram analysis, LiWei-Jen, Wang Ke, Stolfo SJ, Herzog B.., IProceeding of the 2005 IEEEworkshop
on information assurance; 2005 [slides]
- Content Based File Type Detection Algorithms, hicss,pp.332a, 36th Annual Hawaii International Conference on System Sciences (HICSS'03) - Track 9, 2003.
