Example #1
0
File: Program.cs Project: AxFab/amy
        public void Extract(AssemblyBox box)
        {
            Intelx86 ix86 = new Intelx86(box.TextSection.Data);

              // TODO Support file type detection !
              Console.WriteLine("Disassembly of section .text:\n");

              long address = box.TextSection.Virtual;
              Console.WriteLine("{0} <...>:", Hexa.ToString(address, 8, false).Substring(2));
              for (; ; ) {
            x86Operator op = ix86.Next();
            if (op == null)
              break;

            string amyMn = "  " + Hexa.ToString(address).Substring(7) + ":\t";
            for (var i = 0; i < Math.Min(op.Length, 7); ++i)
              amyMn += Hexa.ToString(ix86.Buffer[ix86.Offset + i], 2, false, false) + " ";
            for (var i = Math.Min(op.Length, 7); i < 7; ++i)
              amyMn += "   ";
            amyMn += "\t";
            amyMn += op.ATNTWriting;

            Console.WriteLine(amyMn);

            address += op.Length;
            int lg = op.Length, k = 7;
            while (lg > 7) {
              amyMn = "     :\t";
              for (var i = k; i < Math.Min(op.Length, k + 7); ++i)
            amyMn += Hexa.ToString(ix86.Buffer[ix86.Offset + i], 2, false, false) + " ";
              Console.WriteLine(amyMn);
              lg -= 7;
              k += 7;
            }

              }

              Console.WriteLine();
        }
Example #2
0
File: Program.cs Project: AxFab/amy
        static void UTx86(string[] args)
        {
            string start = "   0:\t";
              string objdump = @"C:\MinGW\bin\objdump";
              string file = @"C:\Users\Aesgar\Downloads\exit.o";
              // string objdump = @"D:\Programs\MinGW\bin\objdump";
              // string file = @"D:/exit.o";

              byte[] instr = new byte[15];
              instr[0] = 1;
              long Tested = 0;
              long Failure = 0;

              for (; ; ) {
            if (instr[0] == 0x0f)
              instr[0]++;
            if (instr[0] == 0x66)
              instr[0] += 2;
            if (instr[0] == 0x82)
              instr[0]++;
            if (instr[0] == 0xc4)
              instr[0] += 2;
            if (instr[0] == 0xce)
              instr[0] += 2;
            if (instr[0] == 0xd2)
              instr[0] += 22;
            if (instr[0] == 0xe8)
              instr[0] += 8;

            // Disassemble using MingW
            try {
              using (BinaryWriter wr = new BinaryWriter(File.Open(file, FileMode.Open, FileAccess.ReadWrite))) {
            wr.BaseStream.Seek(0x104, SeekOrigin.Begin);
            wr.Write(instr);
              }
            } catch (Exception e) {
            }

            // Start Process
            string strCmdText;
            strCmdText = "-d " + file;
            ProcessStartInfo startInfo = new ProcessStartInfo(objdump, strCmdText);
            startInfo.RedirectStandardOutput = true;
            startInfo.UseShellExecute = false;
            Process p = Process.Start(startInfo);

            // Disassemble using Amy
            Intelx86 dn = new Intelx86(instr);
            x86Operator op = dn.Next();
            string amyMn = start;
            for (var i = 0; i < Math.Min(op.Length, 7); ++i)
              amyMn += Hexa.ToString(instr[i], 2, false).Substring(2) + " ";
            for (var i = Math.Min(op.Length, 7); i < 7; ++i)
              amyMn += "   ";
            amyMn += "\t";
            amyMn += op.ATNTWriting;

            int lg = Math.Min(op.Length - 1, 1);
            if (instr[lg] == 0xff)
              while (lg >= 0 && instr[lg] == 0xff)
            instr[lg--] = 0;
            if (lg < 0)
              return;
            instr[lg]++;

            // Read
            // p.WaitForExit();
            StreamReader rd = p.StandardOutput;
            string mingwMn = string.Empty;
            while (!mingwMn.StartsWith(start))
              mingwMn = rd.ReadLine();

            //Console.WriteLine(st);
            Tested++;
            if (mingwMn != amyMn) {
              Failure++;
              Console.WriteLine(mingwMn);
            }
              }
        }