full-disclosure - Re: Privilege escalation on Windows using BinaryPlanting

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Message-ID: <CAKtE3zdsrazuQTzra=HZ3Yt3tsvj6-GaNgYBh=JGYkmvsX9kZQ@mail.gmail.com>
Date: Sun, 25 Sep 2011 21:17:32 -0400
From: Travis Biehn <tbiehn@...il.com>
To: GloW - XD <doomxd@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Privilege escalation on Windows using
	BinaryPlanting

GloW: there's a lot of 3rd party software that installs itself as windows
services.

-Travis

On Sun, Sep 25, 2011 at 9:15 PM, GloW - XD <doomxd@...il.com> wrote:

> Haha , too good and too true thor !
>
>
> Maybe he can trick the user into installing on a FAT32 partition first, and
> THEN get the to execute from a remote share!
>
> Rofl x10.
>
> Agreed , this kind of attack, is NOT deasible in 2011, try maybe, 2006.
>
> Anyhow it has been a pleasure, ending this BS i think once and for all,
> lookup how winlogon works for one thing, then look at how windows creates
> and maintains a service_table, and then at the dlls, wich are protected ofc,
> you cannot touch msgina.dll,without ALOT of help from a rootkit or something
> similar, in wich case, why would you need to ?
> You could add an admin, hidden, and in simple batfile script (yes i do have
> my own code but no it is not for kids..), this is 10seconds and hidden, so
> when you have gotten that far, why would you bother to hijack a dll ?
>
> You CANNOT do crap,without complete ADMIN not SYSTEm, ADMIN$ share, and
> total axcs to all sockets, meaning, all pipe control and thats where half of
> windows exchanges smb shares for one thing, you guys dont seem to know CRAP
> about windows to start with, then have the gall to raise such a frigging
> ridiculous topic about a non happening, YOUTUBE ONE 'real' event, of this
> being useful, or, even just working, and i would look but, you wont, cannot,
> and will never be able to, especially on newer systems of windows7-8.
> As i said earlier, enjoy your bs DFLL hijacking, but ms, dont care for it,
> and whatever patches they instilled, dont touch even service_table.. so,
> they have not given it a high prio,and why shuld they.
>
> This is simply a case of a secteam gaining notoriety, to try and make this
> a 'big bug!!' , to try and gain brownie points from MS. Even tho, i dont
> believe in many things MS, I know windows system, and how to break it,
> better than many people, and i can tell you now, this whole DLL hijack, is a
> complete and utter waste of your times.
> But... keep on going, maybe MS will send you another 'thankyou' email ;)
> xd / crazycoders.com / #haxnet@Ef
>
>
>
>
>
> On 26 September 2011 10:52, Thor (Hammer of God) <thor@...merofgod.com>wrote:
>
>>  Maybe he can trick the user into installing on a FAT32 partition first,
>> and THEN get the to execute from a remote share!
>>
>> On Sep 25, 2011, at 5:30 PM, "Travis Biehn" <tbiehn@...il.com> wrote:
>>
>>   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@...glemail.com>
>> kz20fl@...glemail.com> wrote:
>>
>>> To replace a service executable you usually need administrator access
>>> anyway.
>>>
>>>
>>> ------Original Message------
>>> From: Madhur Ahuja
>>> Sender: <full-disclosure-bounces@...ts.grok.org.uk>
>>> full-disclosure-bounces@...ts.grok.org.uk
>>> To: <security-basics@...urityfocus.com>security-basics@...urityfocus.com
>>> To: <full-disclosure@...ts.grok.org.uk>full-disclosure@...ts.grok.org.uk
>>> 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
>>>
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>>
>>
>>
>>  --
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>> _______________________________________________
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>
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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