kaliwiki/tools/bulk_extractor.md
2014-04-23 10:38:32 -05:00

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# bulk_extractor
Notes
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bulk_extractor is a computer forensics tool that scans a disk image, a file, or a directory of files and extracts useful information without parsing the file system or file system structures.
Help Text
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`bulk_extractor version 1.3 $Rev: 10606 $
Usage: bulk_extractor [options] imagefile
runs bulk extractor and outputs to stdout a summary of what was found where
Required parameters:
imagefile - the file to extract
or -R filedir - recurse through a directory of files
SUPPORT FOR E01 FILES COMPILED IN
SUPPORT FOR AFF FILES COMPILED IN
-o outdir - specifies output directory. Must not exist.
bulk_extractor creates this directory.
Options:
-b banner.txt- Add banner.txt contents to the top of every output file.
-r alert_list.txt - a file containing the alert list of features to alert
(can be a feature file or a list of globs)
(can be repeated.)
-w stop_list.txt - a file containing the stop list of features (white list
(can be a feature file or a list of globs)s
(can be repeated.)
-F <rfile> - Read a list of regular expressions from <rfile> to find
-f <regex> - find occurrences of <regex>; may be repeated.
results go into find.txt
-q nn - Quiet Rate; only print every nn status reports. Default 0; -1 for no status at all
Tuning parameters:
-C NN - specifies the size of the context window (default 16)
-G NN - specify the page size (default 16777216)
-g NN - specify margin (default 4194304)
-W n1:n2 - Specifies minimum and maximum word size
(default is -w6:14)
-B NN - Specify the blocksize for bulk data analysis (default 512)
-j NN - Number of analysis threads to run (default 4)
-M nn - sets max recursion depth (default 5)
Path Processing Mode:
-p <path>/f - print the value of <path> with a given format.
formats: r = raw; h = hex.
Specify -p - for interactive mode.
Specify -p -http for HTTP mode.
Parallelizing:
-Y <o1> - Start processing at o1 (o1 may be 1, 1K, 1M or 1G)
-Y <o1>-<o2> - Process o1-o2
-A <off> - Add <off> to all reported feature offsets
Debugging:
-h - print this message
-H - print detailed info on the scanners
-V - print version number
-z nn - start on page nn
-dN - debug mode (see source code
-Z - zap (erase) output directory
Control of Scanners:
-P <dir> - Specifies a plugin directory
-E scanner - turn off all scanners except scanner
-m <max> - maximum number of minutes to wait for memory starvation
default is 60
-s name=value - sets a bulk extractor option name to be value
-e bulk - enable scanner bulk
-e wordlist - enable scanner wordlist
-x accts - disable scanner accts
-x aes - disable scanner aes
-x base16 - disable scanner base16
-x base64 - disable scanner base64
-x elf - disable scanner elf
-x email - disable scanner email
-x exif - disable scanner exif
-x gps - disable scanner gps
-x gzip - disable scanner gzip
-x hiber - disable scanner hiber
-x json - disable scanner json
-x kml - disable scanner kml
-x net - disable scanner net
-x pdf - disable scanner pdf
-x vcard - disable scanner vcard
-x windirs - disable scanner windirs
-x winpe - disable scanner winpe
-x winprefetch - disable scanner winprefetch
-x zip - disable scanner zip
``
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Example Usage
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Links
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[1] http://www.forensicswiki.org/wiki/Bulk_extractor