Re: [Full-disclosure] Privilege escalation on Windows using BinaryPlanting

[Travis Biehn <tbiehn@xxxxxxxxx>]

It might be a fun experiment to see what DLLs they're looking for :.)


-Travis

On Sun, Sep 25, 2011 at 2:57 PM, <kz20fl@xxxxxxxxxxxxxx> wrote:

> To replace a service executable you usually need administrator access
> anyway.
>
>
> ------Original Message------
> From: Madhur Ahuja
> Sender: full-disclosure-bounces@xxxxxxxxxxxxxxxxx
> To: security-basics@xxxxxxxxxxxxxxxxx
> To: full-disclosure@xxxxxxxxxxxxxxxxx
> Subject: [Full-disclosure] Privilege escalation on Windows using
> BinaryPlanting
> Sent: 25 Sep 2011 19:31
>
> Imagine a situation where I have a Windows system with the restricted
> user access and want to get the Administrator access.
>
> There are many services in Windows which run with SYSTEM account.
>
> If there exists even one such service whose executable is not
> protected by Windows File Protection, isn't it possible to execute
> malicious code (such as gaining Administrator access) simply by
> replacing the service executable with malicious one and then
> restarting the service.
>
> As a restricted user, what's stopping me to do this ?
>
> Is there any integrity check performed by services.msc or service
> itself before executing with SYSTEM account ?
>
> Madhur
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/
>
> Sent from my POS BlackBerry  wireless device, which may wipe itself at any
> moment
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/
>



-- 
Twitter <https://twitter.com/tbiehn> |
LinkedIn<http://www.linkedin.com/in/travisbiehn>|
GitHub <http://github.com/tbiehn> | TravisBiehn.com<http://www.travisbiehn.com>

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/