Remko Weijnen's Blog (Remko's Blog)

About Virtualization, VDI, SBC, Application Compatibility and anything else I feel like

Today I was troubleshooting a warning message that popped up when launching a network application with RES Workspace Manager:

The publisher could not be verified. Are you sure you want to run this software?

Usually this is a simple fix: add the servername (file://server) to the Local Intranet zone:

You can add and remove websites from this zone. All websites in this zone will use the zone's security settings.

That worked when I launched the application directly. However when launching the application with RES Workspace Manager I would still get the warning. Even stranger: when I clicked Cancel the application would still be launched.

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Parse RES Building Blocks with PowerShell

Background
Customer uses Citrix XenApp 5 with ThinApp, RES Workspace Manager and RES Workspace Extender.

An application integration strategy is defined, the picture below displays the strategy and preferred order:

image

Question
Customer wanted to know the type (1..7) for all applications currently defined in RES Workspace Manager.

I decided to export all the Applications from RES WM as Building Blocks. This results in a folder with XML files. I decided to parse the XML files with a PowerShell script.

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From a script I needed to schedule a project in RES Automation Manager 2011 for a particular server.

imageThis can be done with the WMC.exe commandline tool as documented in the Admin Guide. However we must specify the agent’s GUID instead of it’s name. We can of course use the AM console to get the agent’s GUID but it’s more flexible to script this.

imageUnfortunately there’s no API we can call so I am directly quering the AM database using a PowerShell script.

The script read the database server and database name from the registry so it assumes you have the AM console installed.

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I needed to change the drive letter assigned to the cd/dvd station from an Automation Manager project.

DVD Drive IconAlthough most systems only have one cd/dvd drive, some machines might be equipped with multiple drives.

A couple of years ago I wrote a tool called ChDrvLetter that can assign a specific drive letter to a partition given it’s volumename. In that tool I also included an option for CD/DVD drives.

Using the CDROM [Letters] parameter you can assign specific letters to the CD/DVD drives.

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  • Filed under: RES
  • The XLSploit explained

    Recently I published a Proof of Concept that showed it was possible to launch unauthorized processes with both AppSense Application Manager and RES Workspace Manager.

    Although I didn’t test Microsoft Applocker I have no doubt at all that we couldn’t bypass it.

    imageI have named my Proof of Concept the XLSploit because I am using Excel as a trampoline. I choose Excel because this is generally a trusted process and VBA offers access to the Windows API that is needed.

    After publishing the XLSploit I have talked to both RES and AppSense and not that they both have a response to my Proof of Concept, I consider it safe to tell a little more about how it works.

    If you are merely interested in stopping the XLSploit, please scroll down to the end of the article.

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  • Filed under: General
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