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Safe exam browser exit key5/1/2023 ![]() ![]() The following manual explains how to configure and use SEB for Windows from the perspective of exam administrators. Generally it can easily be used with most web-based online quiz and e-assessment systems. Currently SEB integrates with the wide spread learning management systems (LMS) Moodle, ILIAS and OpenOLAT and several commercial and non-commercial exam systems, as for example Inspera Assessment. SEB enables secure exams on unmanaged computers like students' own laptops as well as in managed environments. Safe Exam Browser – SEB for Windows opens a web browser window without navigation elements and locks the computer into a kiosk mode, which prevents from switching to other applications or quitting SEB untimely. Until the manual is updated for SEB 3.x, please check tool tips (hover mouse cursor over new controls) for new options in the Configuration Tool. Feel free to RE me, check log file for more information.Note: This is the manual for the legacy version of Safe Exam Browser for Windows. Looking in the TLS for the hooks information structure. cpuid Intel wrong value for processor name. cpuid AMD wrong value for processor name. cpuid CPU brand string 'QEMU Virtual CPU'. Scsi port->bus->target id->logical unit id-> 0 identifier. Looking for C:\WINDOWS\system32\drivers\vmhgfs.sys. Looking for C:\WINDOWS\system32\drivers\vmmouse.sys. Reg key (HKLM\SOFTWARE\VMware, Inc.\VMware Tools). Scsi port 0,1,2 ->bus->target id->logical unit id-> 0 identifier. Looking for VBox processes (vboxservice.exe, vboxtray.exe). Looking for a MAC address starting with 08:00:27. Driver files in C:\WINDOWS\system32\drivers\VBox*. Reg key (HKLM\HARDWARE\DESCRIPTION\System "SystemBiosDate"). Reg key (HKLM\SYSTEM\ControlSet001\Services\VBox*). Reg key (HKLM\HARDWARE\ACPI\RSDT\VBOX_). Reg key (HKLM\HARDWARE\ACPI\FADT\VBOX_). Reg key (HKLM\HARDWARE\ACPI\DSDT\VBOX_). ![]() Reg key (HKLM\HARDWARE\Description\System "VideoBiosVersion"). Reg key (HKLM\SOFTWARE\Oracle\VirtualBox Guest Additions). Reg key (HKLM\HARDWARE\Description\System "SystemBiosVersion"). Checking if disk size bus->target id->logical unit id-> 0 identifier. Checking common sample names in drives root. Checking cpuid hypervisor vendor for known VM vendors. Checking hypervisor bit in cpuid feature bits. Checking the difference between CPU timestamp counters (rdtsc) forcing VM exit. Checking the difference between CPU timestamp counters (rdtsc). It gives you a good level of VM undetectability, as you can see by these Pafish results: Click to expand.ĬPU brand: Intel(R) Core(TM) i7-1065G7 CPU 1.30GHz Other purposesĪctually this can be used for most software that detect VMs by registry keys. Other than SEB, it has only been tested with Respondus Lockdown Browser, and apparently it doesn't work, it will still detect your VM. This has been published only to make SEB developers aware of these flaws so that they can be fixed in future SEB updates. This has only been tested offline/locally with the SEB Configurator Tool, NOT during any exam. ![]() This is for demonstration use only, does not encourage cheating during exams, and has never been tested or used for any illegal purpose. I'm NOT responsible for what you'll do with this and for any loss or damage caused by it. To restore registry modifications made by the script, just reboot the VM. To restore your old VMX file, restore the backup you made before editing it (because you did, right?). Notepad) and delete the penultimate (30th) row ("copy. If you use your VM for other purposes and you don't want the script to re-apply changes after every reboot, before running it for the first time edit it with a text editor (e.g. This means that you just need to run it once. The file should automatically run as admin and it'll copy itself in the startup folder of your VM OS. Start the VM and run SafeExamPwner.bat in it (NOT in your host PC).You'll only need to do this first step once. Before booting the VM, add all the content of AddToYourVmxFile.txt file at the end of your VM's. ![]() This script has been made just for informative purposes in March 2020 but apparently these flaws have not been fixed yet. A batch script to make your (Windows) VM undetectable from Safe Exam Browser (SEB), the anti-cheat browser used by most schools and universities to let students take exams. ![]()
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