In order to access C$ you need the admin credentials of the target.
These could be of a local account part of the "administrators" group,
or a domain admin account (provided that the target workstation/server
is part of a domain).
example of attack on local admin account with empty password:
net use b: \\192.168.1.10\c$ "" /u:administrator
example of attack against domain admin account using password equals
to 'mypass':
net use b: \\192.168.1.10\c$ "mypass" /u:mydomain\administrator
The idea is to target local and domain admin accounts and attempt to
mount as many C$ shares as possible.
In cases in which I can only mount certain folders, I always do a
search on the folder for strings such as:
"pass"
"password"
"username"
"administrator"
etc..
So that you can start gaining further access. After all, it's common
to see administrators saving passwords in cleartext files.
Hope that helps
On 15 Oct 2006 00:59:38 -0000, wymerzp@sbu.edu <wymerzp@sbu.edu> wrote:
Hi pen-testers et al,
I am new to the whole 'pen-testing' science and am trying to work through the book Hacking Exposed 5th ed
(alas, the going is slow because Computer Org and Database class takes up my time). I have been testing the
"null session" vulnerability on Windows machines. I am able to connect to the IPC$ share of a
computer and enumerate users (using enum.exe), I can use Sid2User and User2Sid to do the same, I have also
had success using the command: net use * \\xxx.xxx.xxx.xxx\SharedDocs to connect to the Shared Folders of a
machine. The question that I pose is two-fold: 1) as a pseudo/learning pen-tester, when you are connected to
the SharedDocs folder is there anyway to delve further into a system? 2) If I can connect to the ShareDocs
and IPC$ shares of a computer using the user name of "x" and a password of "" (null), why
can't I do the same with the C$ share? Is this because the SharedDocs share is in the group 'everyone'?
Thanks alot guys and happy coding!
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