full-disclosure - Re: [FD] Defense in depth -- the Microsoft way (part 47): "AppLocker bypasses are not serviced via monthly security roll-ups"

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Message-ID: <335CAD151C80431185B4C4F20B4D2AC1@W340>
Date: Sun, 26 Mar 2017 22:50:40 +0200
From: "Stefan Kanthak" <stefan.kanthak@...go.de>
To: <bugtraq@...urityfocus.com>
Cc: fulldisclosure@...lists.org
Subject: Re: [FD] Defense in depth -- the Microsoft way (part 47):
	"AppLocker bypasses are not serviced via monthly security roll-ups"

I wrote Tuesday, March 21, 2017 8:09 PM:

[ ...snip... ]

> Mitigation:
> ~~~~~~~~~~~
> 
> Create an "AppCert.Dll" that exports CreateProcessNotify and
> set the following registry entry
> 
> [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\AppCertDlls]
> "AppCert.Dll"="<path>\AppCert.Dll"

[ ...snip... ]

If you can't create an "AppCert.Dll" from the code I depicted or
don't know how to implement the function "forbidden()" yourself:
just visit <https://skanthak.homepage.t-online.de/appcert.html>,
read it and get the prebuilt DLLs plus their .INF setup script,
packaged in a .CAB archive.

enjoy
Stefan Kanthak

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