Hello,This is another post related to malware analysis and QEMUKVM. I did a bit more research and found different older articles describing how to make pafish happy and how to evade malware that are aware of virtual machines. Below is a screenshot from the output of pafish on Windows 7. The Windows 7 system is running on a KVM host with the following kernel. Linux host. local 3. SMP Tue Jun 2. 3 2. UTC 2. 01. 5 x. 866. GNULinuxrootvirre uname a. Linux host. local. SMP Tue Jun 2. 3 2. UTC 2. 01. 5 x. 866. GNULinux. As you can see, it looks pretty good and we may be able to win over most malware, but there are still stuff that we want to remove. For instance, check out the device manager. As you can see there are devices called QEMU which indicates that this is not a laptop. Convert Perl Script To Exe Windows Service' title='Convert Perl Script To Exe Windows Service' />Convert Huawei E3372h153 from HiLinkroutermode to Stickmodemmode UPDATED 20160902. 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Now all my clients are not part of the Endpoint. News 12. 12. 11 Version 3. For Windows shttp3. Kb MD5shttp3. exe 33d555c5c6386216ad8b27025d67b68e For Linux shttplnx. Kb MD5shttplnx. tgz. Note that pafish did not detect this, but still, we should fix it. Our goal today is to make it say something else. Before we continue there are a lot of posts that I have used for reference Check the end of this guide, but I wanted to start fresh and make a guide for everyone trying to do this on. You guessed it, Cent. OS 7. Before we start let me just explain a little. When you install qemukvm on Cent. OS 7 using yum it will be called qemu kvm, but when you compile it will be called qemu system x. This is important to understand. It is still the same, but it is called different depending on if it is compiled or not. Read more here. Also, make sure that you have the kvm module loaded. My laptop for this guide is an old laptop running a AMD CPU. Check with lsmod if the proper modules are loaded. For intel it should say kvmintel. Install a fresh Cent. OS 7 minimal. I installed it with Gnome Desktop as I am using an old laptop. And update it. yum update y yum upgrade y. After we finish it will look something like this 2. Linux localhost. localdomain 3. SMP Tue Jun 2. 3 2. UTC 2. 01. 5 x. 866. GNULinuxrootlocalhost uname a. Linux localhost. localdomain. SMP Tue Jun 2. 3 2. UTC 2. 01. 5 x. 866. GNULinux. 2. Install some more packages and development tools Grab a coffee while you wait. XML XPath supermin python ipaddr libvirt python. Development Toolsyum install python devel perl XML XPath supermin python ipaddr libvirt pythonyum groupinstallDevelopment ToolsBefore we continue we can do some tweaking to compile a little bit faster. Depending on how many cores your system has, you can change the jobs parameter for make. Execute the following command. This would give me the value of make j. Yea, this is an old laptop. Cloning QEMU. yum builddep qemu kvm. Edit drivers and compiling Now the fun stuff starts. We are going to rename the device from QEMU HARDDISK to something else. Make sure you are in the cloned qemu folder that we just cloned from the git repo step 4. Find the driver name As seen in the device manager. HARDDISK hw. hwidecore. QEMU HARDDISK. hwscsiscsi disk. QEMU HARDDISK rootlocalhost qemu grep nr HARDDISK hwwidecore. QEMU HARDDISK hwscsiscsi disk. QEMU HARDDISK These are the files that you need to edit. I will replace it with WDC WD2. EARS that should simulate a 2. TB disk from Western Digital according to a Google search. QEMU HARDDISKWDC WD2. EARSg hwidecore. QEMU HARDDISKWDC WD2. EARSg hwscsiscsi disk. WDC hw hwidecore. WDC WD2. 0EARS. WDC WD2. EARS rootlocalhost qemu sed i sQEMU HARDDISKWDC WD2. EARSg hwidecore. QEMU HARDDISKWDC WD2. EARSg hwscsiscsi disk. WDC hwwidecore. WDC WD2. EARS hwscsiscsi disk. WDC WD2. 0EARS Also, let us not forget the DVD drive. Let us call it Toshiba DVD ROM because it was the only thing that popped up in my head. QEMU DVD hw hwideatapi. QEMU DVD ROM. hwidecore. QEMU DVD ROM rootlocalhost qemu grep nr QEMU DVD hwwideatapi. QEMU DVD ROM hwidecore. QEMU DVD ROM And there are some more places that we need to edit. QEMU DVD ROMDVD ROMg hwidecore. QEMU DVD ROMDVD ROMg hwideatapi. QEMU s vendor gstrdupToshiba g hwscsiscsi disk. QEMU CD ROMCD ROMg hwscsiscsi disk. QEMU padstr. 8buf 8, 8, Toshiba g hwideatapi. QEMU DVD ROMDVD ROMg hwidecore. QEMU DVD ROMDVD ROMg hwideatapi. QEMU s vendor gstrdupToshiba g hwscsiscsi disk. QEMU CD ROMCD ROMg hwscsiscsi disk. QEMU padstr. 8buf 8, 8, Toshiba g hwideatapi. Time to build Make sure you are root so you can install it. Fix a sympbolic link to make virt manager happy. Time to compile libvirt. If you want to know more about compiling libvirt, and the arguments I am using with autogen you can read more here before you continue https libvirt. Go ahead and start You should see something like this in varlogmessages. Jun 2. 6 0. 8 3. Starting Virtualization daemon. Jun 2. 6 0. 8 3. Started Virtualization daemon. Jun 2. 6 0. 8 3. Jun. Microsoft Visual Basic 2008 Freeware Video. Starting Virtualization daemon. Jun. 26. 08 3. 2 0. Started Virtualization daemon. Jun. 26. 08 3. 2 0. Install virt manager. You can now start virt manager by executing. Or, if you do not want to use virt manager and create the virtual machine, you can just continue to step 7. Install the first virtual machine. Let us install a Windows XP SP0 and see whats what. I am using an old iso image which I placed in root. Create the disk. usrbinqemu img create f qcow. G. Either create a machine through virt manager or do it command line style. Create the diskusrbinqemu img create fqcow. GEither create a machine through virt manager or do it command line styleusrlibexecqemu kvm enable kvm m. When the installation is complete, go into the device manager and voil Device Manager after QEMO modifications. Each time you want to modify something in the qemu code you can just rerun the make and make install steps and you will update the binary and drivers will be changed accordingly. Changing The BIOSThis is the last step if you really would like to be sneaky. When you execute dmidecode it will also tell you that this is QEMU and not something else. Notice QEMU after Manufacturer on the devices. QEMU uses seabios so we will start by performing a clone of the latest source and compile it. The completed bios file will be located in the folder out and is called bios. The next step is to execute it with some parameters set k en means english keyboard. Dell smbios type0,vendorDell smbios type4,manufacturerDell smbios type1. Dell smbios type3,manufacturerDell1usrlibexecqemu kvm enable kvm m. Dell smbios type0,vendorDell smbios type4,manufacturerDell smbios type1. Dell smbios type3,manufacturerDellNotice the parameter. This is where I specify the bios file we compiled. The other parameters. Dell. smbios type0,vendorDell. Dell. smbios type1. Dell. smbios type3,manufacturerDell smbios type1,manufacturerDell smbios type0,vendorDell smbios type4,manufacturerDell smbios type1. Dell smbios type3,manufacturerDellIs where I tell it to set Dell as a manufacturer and not QEMU. And your final product after running dmidecode should be something like this dmidecode after the parameter changes. You can also add the bios file using virsh edit and set the following. However, you still require the smbios arguments. You could also add the smbios type parameters in the domain xml for the vm. That was all References and links.