lib/rex/pescan/search.rb in librex-0.0.33 vs lib/rex/pescan/search.rb in librex-0.0.34

- old
+ new

@@ -1,56 +1,62 @@ module Rex module PeScan module Search require "rex/assembly/nasm" - + class DumpRVA attr_accessor :pe - + def initialize(pe) self.pe = pe end - + def config(param) @address = pe.vma_to_rva(param['args']) end - + def scan(param) config(param) - + $stdout.puts "[#{param['file']}]" - + # Adjust based on -A and -B flags pre = param['before'] || 0 suf = param['after'] || 16 - + @address -= pre @address = 0 if (@address < 0 || ! @address) - + begin buf = pe.read_rva(@address, suf) rescue ::Rex::PeParsey::WtfError return end - + $stdout.puts pe.ptr_s(pe.rva_to_vma(@address)) + " " + buf.unpack("H*")[0] if(param['disasm']) - ::Rex::Assembly::Nasm.disassemble(buf).split("\n").each do |line| - $stdout.puts "\t#{line.strip}" + insns = [] + d2 = Metasm::Shellcode.decode(buf, Metasm::Ia32.new).disassembler + addr = 0 + while ((di = d2.disassemble_instruction(addr))) + insns << di.instruction + disasm = "0x%08x\t" % (pe.rva_to_vma(@address) + addr) + disasm << di.instruction.to_s + $stdout.puts disasm + addr = di.next_addr end end - - end + end end class DumpOffset < DumpRVA def config(param) begin @address = pe.file_offset_to_rva(param['args']) rescue Rex::PeParsey::BoundsError end end - end + end end end end