Esempio n. 1
0
            public void SendTalk(StdString message, StdString receiver, int mode, int channel)
            {
                int baseAddress = this.Client.TibiaProcess.MainModule.BaseAddress.ToInt32();

                int functionAddress = 0x289140 + baseAddress;

                int objectAddress = 0x48E844 + baseAddress;



                /* Getting real object address by reading the static reference */

                byte[] object_pointer = new byte[4];

                IntPtr bytesRead;

                WinAPI.ReadProcessMemory(this.Client.TibiaHandle, new IntPtr(objectAddress), object_pointer, 4, out bytesRead);



                //Allocate our strings in Medivias memory

                message.Allocate(this.Client.TibiaHandle);

                receiver.Allocate(this.Client.TibiaHandle);



                byte[] message_pointer = BitConverter.GetBytes(message.BasePointer.ToInt32());

                byte[] receiver_pointer = BitConverter.GetBytes(receiver.BasePointer.ToInt32());

                /* Constructing the skeleton of the codecave */



                byte[] codeCave =
                {
                    0x68, 0x00, 0x00, 0x00, 0x00, //PUSH message

                    0x68, 0x00, 0x00, 0x00, 0x00, //PUSH receiver

                    0x68, 0x00, 0x00, 0x00, 0x00, //PUSH channel

                    0x68, 0x00, 0x00, 0x00, 0x00, //PUSH mode

                    0xB9, 0x00, 0x00, 0x00, 0x00, //MOV ECX, objectPointer

                    0xB8, 0x00, 0x00, 0x00, 0x00, //MOV EAX, functionAddress

                    0xFF, 0xD0,                   //CALL EAX

                    0xC2,                         //RETN
                };



                //Copy our values to codeCave

                Array.Copy(message_pointer, 0, codeCave, 1, 4);

                Array.Copy(receiver_pointer, 0, codeCave, 6, 4);

                Array.Copy(BitConverter.GetBytes(channel), 0, codeCave, 11, 4);

                Array.Copy(BitConverter.GetBytes(mode), 0, codeCave, 16, 4);

                Array.Copy(object_pointer, 0, codeCave, 21, 4);

                Array.Copy(BitConverter.GetBytes(functionAddress), 0, codeCave, 26, 4);
                CallCodeCave(this.Client.TibiaHandle, codeCave);



                //Free the strings

                receiver.Free(this.Client.TibiaHandle);

                message.Free(this.Client.TibiaHandle);
            }