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About Virtualization, VDI, SBC, Application Compatibility and anything else I feel like
29 May // php the_time('Y') ?>
This morning Arjan Beijer sent me an interesting link to a youtube video about obtaining the Citrix IMA Datastore password using Windbg.
The video shows a method, discovered by Denis Gundarev to obtain the IMA Datastore password. Basically he uses DSMaint.exe and set’s a breakpoint on the call to CryptUnprotectData and then reads the password from memory.
I tried to call the CryptUnprotectData API with the data read from the registry directly but this failed with error NTE_BAD_KEY_STATE, this is defined in winerror.h and it means “Key not valid for use in specified state”.
21 May // php the_time('Y') ?>
Just a small post today: a small commandline utility that reads the “DefaultPassword” LSA secret.
This secret is stored in the registry under the SECURITY Hive:
17 May // php the_time('Y') ?>
After figuring out how to encode and decode the Citrix passwords my next step for the upcoming Citrix Launcher is experiment with config.xml and authenticating to the Citrix Web Interface.
I imported the NFuse.dtd from the Citrix Web Interface into Delphi with the XML Data Binding Wizard. The results in an NFuse Unit so I can easily create the XML data.
To create an authentication packet I use the following code:
13 May // php the_time('Y') ?>
I am working on a launcher tool for Citrix XenApp that can not only connect to a published application or published desktop but can also leverage Citrix Workspace Control to reconnect to disconnected and/or active sessions.
There doesn’t seem to be any sdk that exposed the data we need so I am trying to reproduce what the Citrix online plugi-in does.
I used a HTTP monitoring tool to capture the traffic between the Online plug-in and the Web Interface. First the online plug-in will retrieve the config.xml from the server specified via the Change Server option:
10 May // php the_time('Y') ?>
For a research project I tried to install Windows NT 4 Terminal Server on VMWare Workstation (version 8).
The setup would always fail however with the following error:
Obviously the installation doesn’t really fail because of too little memory and neither is the installation disc (an iso file) corrupt, it’s a bug.
10 May // php the_time('Y') ?>
I needed to dome some Bit Shifting in PowerShell but unfortunately PowerShell lacks operator for Bit Shifting. I searched the .NET Framework for anything that allows for bit shifting but was unable to find anything suitable.
I didn’t want to revert to C# so I implemented shift left and shift right functions in PowerShell.
The code isn’t really pretty and could probably be improved (comments/improvements are welcome!) but here goes (please note that I implemented for bit shifting a byte):