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fun_stuff.pl
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# SQLite Miner is a short script to mine potentially overlooked data from SQLite databases
# Copyright (C) 2017 Jon Baumann
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# To do list
# - Flag potentially malicious files to block export
# - Specify file types to export
# - Support magic numbers that aren't at the start of the file
$FUN_STUFF_FILE_TYPE = 0;
$FUN_STUFF_COMPRESSED = 1;
$FUN_STUFF_EXTENSION = 2;
$FUN_STUFF_OFFSET = 3;
$FUN_STUFF_REGEX = 4;
# Hash of things to look for
%fun_stuff;
# Compressed formats that we may want to decompress
add_fun_thing_to_hash('7ZIP', 0, '7z', 0, '377abcaf271c%');
add_fun_thing_to_hash('BZIP', 1, 'bz2', 0, '425a68%');
add_fun_thing_to_hash('GZIP', 1, 'gz', 0, '1f8b%');
add_fun_thing_to_hash('LZ4', 1, 'lz4', 0, '04224d18%');
add_fun_thing_to_hash('RAR', 0, 'rar', 0, '526172211a0700%');
add_fun_thing_to_hash('RAR_5.0', 0, 'rar', 0, '526172211a070100%');
add_fun_thing_to_hash('TAR', 0, 'tar', 257,'7573746172%');
add_fun_thing_to_hash('ZIP', 1, 'zip', 0, '504b0304%');
add_fun_thing_to_hash('ZIP_EMPTY',1, 'zip', 0, '504b0506%');
add_fun_thing_to_hash('ZIP_SPAN', 1, 'zip', 0, '504b0708%');
add_fun_thing_to_hash('ZLIB_LOW', 1, 'zlib', 0, '7801%');
add_fun_thing_to_hash('ZLIB', 1, 'zlib', 0, '789c%');
add_fun_thing_to_hash('ZLIB_MAX', 1, 'zlib', 0, '78da%');
# Possible property files
add_fun_thing_to_hash('BPLIST', 0, 'bplist', 0, '62706c697374%');
add_fun_thing_to_hash('XML', 0, 'xml', 0, '3c3f786d6c20%');
# Images
add_fun_thing_to_hash('BMP', 0, 'bmp', 0, '424d%');
add_fun_thing_to_hash('JPEG_RAW', 0, 'jpg', 0, 'ffd8ffdb%');
add_fun_thing_to_hash('JPEG_JFIF',0, 'jpg', 0, 'ffd8ffe0____4a4649460001%');
add_fun_thing_to_hash('JPEG_EXIF',0, 'jpg', 0, 'ffd8ffe1____457869660000%');
add_fun_thing_to_hash('GIF', 0, 'gif', 0, '474946383_61%');
add_fun_thing_to_hash('PNG', 0, 'png', 0, '89504e470d0a1a0a%');
add_fun_thing_to_hash('WEBP', 0, 'webp',0, '52494646________57454250%');
# Media
add_fun_thing_to_hash('MP3', 0, 'mp3', 0, 'fffb%');
add_fun_thing_to_hash('MP3_ID3',0, 'mp3', 0, '494433%');
add_fun_thing_to_hash('OGG', 0, 'ogg', 0, '4f676753%');
add_fun_thing_to_hash('WAV', 0, 'wav', 0, '52494646________57415645%');
add_fun_thing_to_hash('FLAC', 0, 'flac', 0, '664c6143%');
# Documents
add_fun_thing_to_hash('PDF', 0, 'pdf', 0, '25504446%');
add_fun_thing_to_hash('RTF', 0, 'rtf', 0, '7b5c72746631%');
add_fun_thing_to_hash('iNote', 0, 'note', 0, '080012%');
# Executables
add_fun_thing_to_hash('DALVIK_EXECUTABLE', 0, 'dex', 0, '6465780a30333500%');
return 1;
####################
# Functions follow #
####################
# Function to add Fun Things to our hash.
# Function expects:
# A name for the file type (such as GZIP)
# Whether or not this file is compressed
# A regex to find it
# The file extension to be applied if exported
sub add_fun_thing_to_hash {
my $file_type = @_[$FUN_STUFF_FILE_TYPE];
my $file_is_compressed = @_[$FUN_STUFF_COMPRESSED];
my $file_regex = @_[$FUN_STUFF_REGEX];
my $file_extension = @_[$FUN_STUFF_EXTENSION];
my $file_offset = @_[$FUN_STUFF_OFFSET];
# Add in placeholders for anything that has an offset greater than 0
while($file_offset) {
$file_regex = "__".$file_regex;
$file_offset -= 1;
}
# Add the file type to our hash
if(exists($fun_stuff{$file_type})) {
print "Fun Stuff Hash Error: A file type called $file_type already exists, ignoring this\n";
} else {
$fun_stuff{$file_type} = {'compression' => $file_is_compressed,
'regex' => $file_regex,
'extension' => $file_extension};
print "Fun Stuff: Adding $file_type\n" if $very_verbose;
print "\tCompressed: $file_is_compressed\n" if $very_verbose;
print "\tREGEX: $file_regex\n" if $very_verbose;
print "\tExtension: $file_extension\n" if $very_verbose;
}
}