This blogpost is based on an evil thought I have had. After all, I have been a pentester for several years, so «evil» ideas are a part of my mindset. Let’s say I want to plant a backdoor on future machines, where would I put my backdoor? Inside the WIM that is used to deploy […]
Posts tagged wim
Reducing size of Wim files
Have you ever noticed when you edit your WIM files they tend to grow considerably in size even if the file you just copied over was only 2MB in size. In order to reduce size of the image you can run imageX /export + parameters to reduce the size. Example: imagex /export d:wimfilesorig.wim d:wimfilesNew.wim 1 […]
Apply .WIM with SCCM: Windows cannot verify the digital signature for this file
I have had this issue at a customer. We could not find out why the deployment stopped at various times. We did not find any pattern at all. The Advertisement status reported this error messages: The task sequence execution engine failed executing the action (Apply Operating System) in the group (Install Operating System) with the […]
Error updating WIM boot image in ConfigMgr
Have problems updating boot images? Your wim boot image may be corrupt. I recieved the following error when trying to inject drivers into my boot image: Failed to inject a ConfigMgr driver into the mounted WIM file The ConfigMgr Provider reported an error.: ConfigMgr Error Object: instance of SMS_ExtendedStatus { Description = “Failed to insert […]