mirror of
https://github.com/rapid7/metasploit-framework
synced 2024-11-12 11:52:01 +01:00
112 lines
2.3 KiB
Ruby
Executable File
112 lines
2.3 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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#
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# $Id$
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# $Revision$
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#
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msfbase = __FILE__
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while File.symlink?(msfbase)
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msfbase = File.expand_path(File.readlink(msfbase), File.dirname(msfbase))
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end
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$:.unshift(File.join(File.dirname(msfbase), 'lib'))
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$:.unshift(ENV['MSF_LOCAL_LIB']) if ENV['MSF_LOCAL_LIB']
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require 'rex/machparsey'
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require 'rex/machscan'
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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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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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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|
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begin
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Rex::Arch::X86.reg_number(o)
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rescue
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puts "Invalid register \"#{o}\""
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exit(1)
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end
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}
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worker = Rex::MachScan::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::MachScan::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::MachScan::Scanner::RegexScanner
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param['args'] = t
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end
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opt.separator('')
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opt.separator('Options:')
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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(1)
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end
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begin
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opt.parse!
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rescue OptionParser::InvalidOption
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puts "Invalid option, try -h for usage"
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exit(1)
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end
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if (! worker)
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puts opt
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exit(1)
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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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mach = Rex::MachParsey::Mach.new_from_file(file, true)
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o = worker.new(mach)
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o.scan(param)
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mach.close
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rescue Rex::MachParsey::MachHeaderError
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$stderr.puts("File is not a Mach-O binary, trying Fat..\n")
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fat = Rex::MachParsey::Fat.new_from_file(file, true)
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o = worker.new(fat)
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o.scan(param)
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fat.close
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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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end
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