Dvl damn vulnerable linux

• Select the «Use physical drive:» radio button

• Select the «Bridged: Connected. » radio button
• Select OK

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( Damn Vulnerable Linux: [DVL])

1. What is Damn Vulnerable Linux?
   • Damn Vulnerable Linux (DVL) is everything a good Linux distribution isn’t. Its developers have spent hours stuffing it with broken, ill-configured, outdated, and exploitable software that makes it vulnerable to attacks.

• DVL isn’t built to run on your desktop — it’s a learning tool for security students. DVL is a live CD available as a 150MB ISO.

• It’s based on the popular mini-Linux distribution Damn Small Linux (DSL), not only for its minimal size, but also for the fact that DSL uses a 2.4 kernel, which makes it easier to offer vulnerable elements that might not work under the 2.6 kernel.

• It contains older, easily breakable versions of Apache, MySQL, PHP, and FTP and SSH daemons, as well as several tools available to help you compile, debug, and break applications running on these services, including GCC, GDB, NASM, strace, ELF Shell, DDD, LDasm, LIDa, and more.

• DVL was initiated by Thorsten Schneider of the International Institute for Training, Assessment, and Certification (IITAC) and Secure Software Engineering (S�e) in cooperation with Kryshaam from the French Reverse Engineering Team. «The main idea behind DVL,» says Schneider, «was to build up a training system that I could use for my university lectures.» His goal was to design a Linux system that was as vulnerable as possible, to teach topics such as reverse code engineering, buffer overflows, shellcode development, Web exploitation, and SQL injection.

1. You need to have virtualization software that allows you to create operating system images using either an ISO or installation CD. For this «how to», I will be using VMware Workstation. However, you can also use other popular tools, such as, VirtualBox.

• In my case, I save it to an external hard drive, hence Hard Drive 2 (E:)

1. Click on New Virtual Machine.
   • 

• Select the Browse Button

• In my case, the iso was saved to E:\VMware ISO’s\DVL\
• Select DVL iso and click open

• Virtual machine name: DVL
• Location: In my case, I save it to my external hard drive at E:\VMware

• Increase the memory from 256 MB to 512 MB.
• Click OK.

• Command : fdisk /dev/sda
• Input : m

• Select «p»

• Note: There is 1044 cylinders

• Select «n»
• Select «p»
• Select «1»
• Select the maximum amount of cylinders 1044.

• Select «p»
• Note: Previously when «p» was selected there was not a partition listed.

• Select «q»

• Right Click on DE and click on Configure

• Highlight Germany, Click on Remove.
• Highlight Italy, Click on Remove.
• Only U.S. English should be left.
• Click Apply
• Click OK

• Note: If the installer completes in a few seconds, then the installer actually failed. The installer should take 5 to 10 minutes to complete. You should see messages like copying /opt with the status bar inching slowly forward.

• Command : lilo -v

• VMware Workstation —> File —> Open

  

• Navigate to where you created the DVL.vmx image

• Edit Virtual machine settings

  

• Highlight CD/DVD
  • Select the «Use physical drive:» radio button

  

• Highlight CD/DVD
  • Select the «Bridged: Connected. » radio button
  • Select OK

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  Home » Linux » Installing DVL (Damn Vulnerable Linux)

  Installing DVL (Damn Vulnerable Linux)

  I have been playing around with metasploit the last few days and I thought I would setup a lab environment for it.

  The team over at metasploit has a virtual machine you can download and use for such purposes but unfortunately it runs on VMware. Not a huge issue normally but since I’ve moved across to Windows 8 I have found HyperV to be adequate for my needs so I would prefer to use that.

  There is probably a way to convert the VM into a HyperV compatible format but for now I’ll try using DVL and see how I go.

  Prerequisites

  • Download DVL – DVL_1.5_Infectious_Disease.iso (it appears that this project is discontinued, but I did find a download for it)
  • Setup virtual machine on Hyper-V. I used 2GB of ram, and 20gb disk. The only other gotcha is you need to use a “Legacy network adapter”.

  Once you have the prerequisites done you can boot your VM up and start the installing.

  Installing DVL

  • Boot your VM, you will get a login prompt. Login with root/toor
  • Configure your virtual hard disk
  • You will need at least a swap partition and one partition to install. I created a 2GB partition for swap and the rest I will use as the root partition.
  • Once you have setup your partitions you will need to create a file-system

  # mkdir /mnt/dvl # mount /dev/hda2 /mnt/dvl # mount /dev/hdc /mnt/hdc_cdrom

  • Launch the gui by typing startx
  • On the bottom right hand corner you will see a “DE” sign, right click on this icon and select your preferred keyboard language.
  • Next you can start the installer, click on the K->Be ReSlaxed->System->BackTrack Installer
  • Enter the following settings in this dialog and then click install.
    • Source (BackTrack CD): /mnt/hdc_cdrom
    • Install BackTrack to: /mnt/dvl
    • Write MBR to: /dev/hda
    • Install Method: Real

    # chroot /mnt/dvl /bin/bash # lilo -v

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