Thứ Ba, 26 tháng 11, 2013

Download and Run Avira AntiVir Rescue System



Section 0. Background Information
  1. Avira AntiVir Rescue System 
    • The Avira AntiVir Rescue System allows access to computers that cannot be booted. This makes it possible to repair a damaged system, to rescue data or to scan for virus infections.
    • The Avira AntiVir Rescue System is updated several times a day so that the most recent security updates are always available.
    • http://www.avira.com/en/download/product/avira-antivir-rescue-system
  2. Lab Notes
    • In this lab we will do the following:
      1. Download the Avira iso
      2. Boot Windows 7 VM into the Avira Rescue Environment
      3. Update Avira
      4. Download a Virus Signature sample file called MALWARE-TESTFILE.exe (Note: This is not a virus, just a one-line signature)
      5. Run Avira Antivirus Scan
  3. Prerequisites
    • Instructions:
      1. Windows 7: Lesson 1: Installing Windows 7
     

Section 1. Download Avira
  1. Open A Firefox Browser
    • Notes
      • Login to the machine that has VM Player Installed.
    • Instructions
      1. Click on the Windows Start Button
      2. Type firefox in the search box
      3. Click on Mozilla Firefox
  2. Open A Firefox Browser
  3. Navigate and Save
    • Instructions
      1. Navigate to your external USB hard drive.
      2. Create a directory call Anti-Virus Live CD on your
      3. Click Save

Section 2. Start your Windows 7 VM
  1. Edit Virtual Machine Settings
    • Instructions
      1. Click on Windows 7
      2. Click on Edit virtual machine
  2. Configure CD/DVD (IDE)
    • Instructions
      1. Configure CD/DVD (IDE)
      2. Click the radio button "Use ISO image file:"
      3. Click the Browse button and Navigate to the location of the rescue_system-common-en.iso
      4. Click the Okay button
  3. Start Windows 7
    • Instructions
      1. Click on Windows 7
      2. Click on Play virtual machine
  4. Access the Boot Menu
    • Instructions
      1. Once you see the below vmware screen, (1) Left Click in the screen and (2) press the <Esc> key.
  5. Boot from CD-ROM Drive
    • Instructions
      1. Arrow Down to where CD-ROM Drive is highlighted
      2. Press <Enter>

Section 3. Using Avira Rescue CD
  1. Press any key to enter the menu
    • Instructions
      1. Type "1" after the boot prompt.
      2. Press <Enter>
  2. Loading Avira AntiVir Rescue System
    • Note(FYI)
      1. Avira will not load its' rescue system.
      2. Continue to next step.
  3. Open a Terminal
    • Instructions
      1. Click on the Miscellaneous Tab
      2. Select Command line
      3. When you are prompted with the Rescue System Message, Select Yes.
  4. View IP Address
    • Instructions
      1. ifconfig -a
        • My IP Address is 192.168.1.106.
    • Notes (FYI)
      • If you do not have an IP Address, do the following:
        1. dhclient eth0
  5.  Download MALWARE-TESTFILE.exe
    • Note(FYI):
      • The file MALWARE-TESTFILE.exe is not a virus. 
      • It contains only the below one-line virus signature that we will use to test Avira.
      • X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
    • Instructions:
      1. df -k
        • /media/Devices/hdc - This file system contains the Avira Utilities
        • /media/Devices/sda1 - This file system contains the actual C: Drive.
      2. cd /media/Devices/sda1
        • Now you are in the actual C: Drive
      3. wget http://www.computersecuritystudent.com/WINDOWS/W7/lesson7/MALWARE-TESTFILE.exe
        • This is the actual Virus Signature Test File.
      4. ls -l MALWARE*
        • This verifies we have downloaded the test file.
      5. Press <Alt>-F7
        • This will put you back into the Avira GUI.
  6. Update Avira
    • Instructions
      1. Click the "Update" tab
      2. Click the Yes Button
  7. Update Results
    • Instructions
      1. Once update is complete, you will see a successfully completed message.
      2. Continue to Next Section

Section 4. Configure the Avira Scanner
  1. Open A Konqueror Web Browser
    • Instructions
      1. Click the Configuration Tab
      2. Scan method: Select All Files
      3. Action when malware found:
        • Select Repair infected files
        • Select Rename file if repair is not possible
      4. Extended thread categories
        • Select Dialiers
        • Select Backdoor client
        • Select Adware/Spyware

Section 4. Run the Avira Scanner
  1. Start Virus scanner
    • Instructions
      1. Click on the Virus scanner tab.
      2. Click on Start scanner button.
  2. Avira Summary Results
    • Notes (FYI):
      • After the scan finishes, Avira will list summary of the results. 
  3. View MALWARE-TESTFILE.exe Alert
    • Instructions
      1. Scroll all the way up in the log window
      2. Notice the Alert Entry
      3. Click the Save Button
  4. Save Ariva Log File
    • Instructions:
      1. Navigate to /media/Devices/sda1
      2. Click the Save Button

Section 5. Proof of Lab
  1. Open a Terminal
    • Instructions
      1. Click on the Miscellaneous Tab
      2. Select Command line
      3. When you are prompted with the Rescue System Message, Select Yes.
     
  2. Proof of Lab Instructions
    • Instructions:
      1. cd /media/Devices/sda1/
      2. ls -l MALWARE*
      3. grep -i alert rescue-system_scan.log
        • This shows you all the alerts in the Avira log.
      4. date
      5. Press <Enter>
      6. echo "Your Name"
        • Replace the string "Your Name" with your actual name.
        • e.g., echo "John Gray"
      7. Do a PrtScn
      8. Paste into a word document
      9. Upload to Moodle

Section 6. Post Lab Instructions
  1. Edit Virtual Machine Settings
    • Instructions
      1. From the VM Player Menu Bar do the following:
      2. Select Virtual Machine
      3. Select Virtual Machine Settings...
  2. Edit CD/DVD (IDE)
    • Instructions
      1. Select CD/DVD (IDE)
      2. Select the Connection radio button: Use physical drive, with Auto detect selected.
      3. Click the OK Button
  3. Windows 7 - VMware Player CD-ROW Disconnect Message
    • Instructions
      1. Select Yes
  4. Power Off
    • Instructions
      1. Virtual Machine --> Power --> Power Off
  5. VMware Player Message
    • Instructions
      1. Select Yes

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