mirror of
https://github.com/rapid7/metasploit-framework
synced 2024-11-12 11:52:01 +01:00
126 lines
2.9 KiB
Ruby
Executable File
126 lines
2.9 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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msfbase = File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__
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$:.unshift(File.join(File.dirname(msfbase), 'lib'))
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require 'rex/peparsey'
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require 'rex/pescan'
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require 'rex/arch/x86'
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require 'optparse'
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def opt2i(o)
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o.index("0x")==0 ? o.hex : o.to_i
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end
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#
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# Right now this program is a bit shakey...
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#
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# - It tries to error on the side of caution, so it will try for a
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# false negative vs a false positive.
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# - It doesn't account for the entire PE image neccesairly
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# - It wouldn't find hits that overlap sections
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# - etc etc
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#
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opt = OptionParser.new
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opt.banner = "Usage: #{$PROGRAM_NAME} [mode] <options> [targets]"
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opt.separator('')
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opt.separator('Modes:')
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worker = nil
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param = {}
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pe_klass = Rex::PeParsey::Pe
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opt.on('-j', '--jump [regA,regB,regC]', 'Search for jump equivalent instructions') do |t|
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# take csv of register names (like eax,ebx) and convert
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# them to an array of register numbers
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regnums = t.split(',').collect { |o| Rex::Arch::X86.reg_number(o) }
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worker = Rex::PeScan::Scanner::JmpRegScanner
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param['args'] = regnums
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end
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opt.on('-p', '--poppopret', 'Search for pop+pop+ret combinations') do |t|
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worker = Rex::PeScan::Scanner::PopPopRetScanner
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param['args'] = t
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end
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opt.on('-r', '--regex [regex]', 'Search for regex match') do |t|
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worker = Rex::PeScan::Scanner::RegexScanner
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param['args'] = t
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end
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opt.on('-a', '--analyze-address [address]', 'Display the code at the specified address') do |t|
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worker = Rex::PeScan::Search::DumpRVA
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param['args'] = opt2i(t)
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end
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opt.on('-b', '--analyze-offset [offset]', 'Display the code at the specified offset') do |t|
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worker = Rex::PeScan::Search::DumpOffset
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param['args'] = opt2i(t)
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end
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opt.on('-f', '--fingerprint', 'Attempt to identify the packer/compiler') do |t|
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worker = Rex::PeScan::Analyze::Fingerprint
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param['database'] = File.join(File.dirname(__FILE__), 'data', 'msfpescan', 'identify.txt')
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end
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opt.separator('')
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opt.separator('Options:')
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opt.on('-M', '--memdump', 'The targets are memdump.exe directories') do |t|
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pe_klass = Rex::PeParsey::PeMemDump
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end
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opt.on('-A', '--after [bytes]', 'Number of bytes to show after match (-a/-b)') do |t|
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param['after'] = opt2i(t)
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end
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opt.on('-B', '--before [bytes]', 'Number of bytes to show before match (-a/-b)') do |t|
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param['before'] = opt2i(t)
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end
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opt.on('-I', '--image-base [address]', 'Specify an alternate ImageBase') do |t|
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param['imagebase'] = opt2i(t)
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end
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opt.on_tail("-h", "--help", "Show this message") do
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puts opt
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exit
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end
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opt.parse!
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if (! worker)
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puts opt
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exit(0)
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end
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ARGV.each do |file|
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param['file'] = file
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begin
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pe = pe_klass.new_from_file(file, true)
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rescue Rex::PeParsey::FileHeaderError
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next if $!.message == "Couldn't find the PE magic!"
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raise $!
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rescue Errno::ENOENT
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$stderr.puts("File does not exist: #{file}")
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next
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end
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if (param['imagebase'])
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pe.image_base = param['imagebase'];
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end
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o = worker.new(pe)
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o.scan(param)
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pe.close
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end
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