Class: Rex::PeScan::Analyze::Information

Inherits:
Object
  • Object
show all
Defined in:
lib/rex/pescan/analyze.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pe) ⇒ Information

Returns a new instance of Information.



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# File 'lib/rex/pescan/analyze.rb', line 74

def initialize(pe)
	self.pe = pe
end

Instance Attribute Details

#pe ⇒ Object

Returns the value of attribute pe.



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# File 'lib/rex/pescan/analyze.rb', line 72

def pe
  @pe
end

Instance Method Details

#add_fields(tbl, obj, fields) ⇒ Object 



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# File 'lib/rex/pescan/analyze.rb', line 78

def add_fields(tbl, obj, fields)
	fields.each do |name|
		begin
			tbl << [name, "0x%.8x" % obj.send(name)]
		rescue ::NoMethodError => e
			$stderr.puts "Invalid field #{name}"
		end
	end
end

#scan(param) ⇒ Object 



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# File 'lib/rex/pescan/analyze.rb', line 88

def scan(param)

	$stdout.puts "\n\n"

	tbl = table("Image Headers", ['Name', 'Value'])
	add_fields(tbl, pe.hdr.file, %W{
		Characteristics
		SizeOfOptionalHeader
		PointerToSymbolTable
		TimeDateStamp
		NumberOfSections
		Machine
	})
	$stdout.puts tbl.to_s
	$stdout.puts "\n\n"

	tbl = table("Optional Image Headers", ['Name', 'Value'])
	add_fields(tbl, pe.hdr.opt, %W{
		ImageBase
		Magic
		MajorLinkerVersion
		MinorLinkerVersion
		SizeOfCode
		SizeOfInitializeData
		SizeOfUninitializeData
		AddressOfEntryPoint
		BaseOfCode
		BaseOfData
		SectionAlignment
		FileAlignment
		MajorOperatingSystemVersion
		MinorOperatingSystemVersion
		MajorImageVersion
		MinorImageVersion
		MajorSubsystemVersion
		MinorSubsystemVersion
		Win32VersionValue
		SizeOfImage
		SizeOfHeaders
		CheckSum
		Subsystem
		DllCharacteristics
		SizeOfStackReserve
		SizeOfStackCommit
		SizeOfHeapReserve
		SizeOfHeapCommit
		LoaderFlags
		NumberOfRvaAndSizes
	})
	$stdout.puts tbl.to_s
	$stdout.puts "\n\n"

	if (pe.exports)
		tbl = table("Exported Functions", ['Ordinal', 'Name', 'Address'])
		pe.exports.entries.each do |ent|
			tbl << [ent.ordinal, ent.name, "0x%.8x" % pe.rva_to_vma(ent.rva)]
		end
		$stdout.puts tbl.to_s
		$stdout.puts "\n\n"
	end

	if (pe.imports)
		tbl = table("Imported Functions", ['Library', 'Ordinal', 'Name'])
		pe.imports.each do |lib|
			lib.entries.each do |ent|
				tbl << [lib.name, ent.ordinal, ent.name]
			end
		end
		$stdout.puts tbl.to_s
		$stdout.puts "\n\n"
	end

	if(pe.config)
		tbl = table("Configuration Header", ['Name', 'Value'])
		add_fields(tbl, pe.config, %W{
			Size
			TimeDateStamp
			MajorVersion
			MinorVersion
			GlobalFlagsClear
			GlobalFlagsSet
			CriticalSectionDefaultTimeout
			DeCommitFreeBlockThreshold
			DeCommitTotalFreeThreshold
			LockPrefixTable
			MaximumAllocationSize
			VirtualMemoryThreshold
			ProcessAffinityMask
			ProcessHeapFlags
			CSDVersion
			Reserved1
			EditList
			SecurityCookie
			SEHandlerTable
			SEHandlerCount
		})
		$stdout.puts tbl.to_s
		$stdout.puts "\n\n"
	end


	if(pe.resources)
		tbl = table("Resources", ['ID', 'Language', 'Code Page', 'Size', 'Name'])
		pe.resources.keys.sort.each do |rkey|
			res = pe.resources[rkey]
			tbl << [rkey, res.lang, res.code, res.size, res.file]
		end
		$stdout.puts tbl.to_s
		$stdout.puts "\n\n"
	end

	tbl = table("Section Header", ["Name", "VirtualAddress", "SizeOfRawData", "Characteristics"])
	pe.sections.each do |sec|
		tbl << [ sec.name, *[sec.vma, sec.raw_size, sec.flags].map{|x| "0x%.8x" % x} ]
	end
	$stdout.puts tbl.to_s
	$stdout.puts "\n\n"

end

#table(name, cols) ⇒ Object 



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# File 'lib/rex/pescan/analyze.rb', line 208

def table(name, cols)
	Rex::Ui::Text::Table.new(
		'Header'  => name,
		'Columns' => cols
	)
end