Bài Tập Thực Hành - NESSUS: Lesson 3 Scan with Nessus on BackTrack 5

{ Scan with Nessus on BackTrack 5R}

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Section 0. Background Information

1. What is NESSUS?
   • Tenable Network Security provides enterprise-class solutions for continuous monitoring and visibility of vulnerabilities, configurations, user activity and system events that impact security and compliance.
   
   
   • Nessus features high-speed discovery, configuration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture
2. Pre-Requisite
   • BackTrack: Lesson 1: Installing BackTrack 5 
   • NESSUS: Lesson 2: Install Nessus on BackTrack 5
3. Lab Notes
   • In this lab we will do the following:
     1. Scan Damn Vulnerable WXP-SP2 with Nessus
     2. Product Nessus Report
     3. Save Nessus Report
4. Legal Disclaimer
     Đào Tạo An Toàn Thông Tin Www.AnToanThongTin.Edu.Vn

Section 1. Login to BackTrack

1. Start Up VMWare Player
   • Instructions:
     1. Click the Start Button
     2. Type Vmplayer in the search box
     3. Click on Vmplayer
   • 
2. Open a Virtual Machine
   • Instructions:
     1. Click on Open a Virtual Machine
   • 
3. Open the BackTrack5R1 VM
   • Instructions:
     1. Navigate to where the BackTrack5R1 VM is located
     2. Click on on the BackTrack5R1 VM
     3. Click on the Open Button
   • 
4. Edit the BackTrack5R1 VM
   • Instructions:
     1. Select BackTrack5R1 VM
     2. Click Edit virtual machine settings
   • 
5. Edit Virtual Machine Settings
   • Instructions:
     1. Click on Network Adapter
     2. Click on the Bridged Radio button
     3. Click on the OK Button
   • 
6. Play the BackTrack5R1 VM
   • Instructions:
     1. Click on the BackTrack5R1 VM
     2. Click on Play virtual machine
   • 
7. Login to BackTrack
   • Instructions:
     1. Login: root
     2. Password: toor or <whatever you changed it to>.
   • 
8. Bring up the GNOME
   • Instructions:
     1. Type startx
   • 

Section 2. Login to Damn Vulnerable WXP-SP2 (Victim Machine)

1. Edit Virtual Machine Settings
   • Instructions:
     1. Click on Damn Vulnerable WXP-SP2
     2. Edit Virtual Machine Settings
   • Note:
     • This VM is running Windows XP.
     • This is the Victim Machine that we will be scanning with BackTrack5R1.
   • 
2. Set Network Adapter
   • Instructions:
     1. Click on Network Adapter
     2. Click on the radio button "Bridged: Connected directly to the physical network".
   • 
3. Start Up Damn Vulnerable WXP-SP2.
   • Instructions:
     1. Start Up your VMware Player
     2. Play virtual machine
   • 
4. Logging into Damn Vulnerable WXP-SP2.
   • Instructions:
     1. Username: administrator
     2. Password: Use the Class Password or whatever you set it.
   • 
5. Open a Command Prompt
   • Instructions:
     1. Start --> All Programs --> Accessories --> Command Prompt
   • 
6. Obtain the IP Address
   • Instructions:
     1. In the Command Prompt type "ipconfig"
   • Note(FYI):
     • In my case, Damn Vulnerable WXP-SP2's IP Address 192.168.1.116.
     • This is the IP Address of the Victim Machine.
     • Record your IP Address.
   • 

Section 3. Bring up a console terminal

1. Start up a terminal window
   • Instructions:
     1. Click on the Terminal Window
   • 
2. Obtain the IP Address
   • Instructions:
     1. ifconfig -a
   • Note(FYI):
     • My IP address 192.168.1.111.
     • In your case, it will probably be different.
   • 

Section 4. Start the Nessus Service

1. Start Nessus Service
   • Instructions:
     1. /etc/init.d/nessusd start
     2. ps -eaf | grep nessus | grep -v grep
        • ps -eaf: Show me all processes
        • | grep  nessus: Only show me nessus processes.
        • | grep -v grep: Do not show my actual grep process.
   • 

Section 5. Login To Nessus

1. Login to Nessus
   • Instructions:
     1. Place the following URL in the Firefox Browser.
        • https://localhost:8834
     2. Username: admin
     3. Password: <Supply Your Password>
     4. Click the Sign In To Continue Button
   • 

Section 6. Scan with Nessus

1. Create a Scan
   • Instructions:
     1. Click on Scan Queue
     2. Click on New Scan
   • 
2. Launch Scan
   • Note(FYI):
     1. Replace 192.168.1.116 with Damn Vulnerable WXP-SP2's IP Address obtained from (Section 2, Step 6).
   • Instructions:
     1. Name: Damn Vulnerable WXP-SP2
     2. Type: Run Now
     3. Policy: Internal Network Scan
     4. Scan Targets: 192.168.1.116
     5. Click the Launch Scan Button
   • 
3. Watch Running Scan
   • Instructions:
     1. Click on Running
   • 

Section 7. View Nessus Results

1. View Scan Status
   • Instructions:
     1. Wait until scan is 100% complete before proceeding to the next step.
     2. Click on Vulnerabilities
   • 
2. Viewing the Vulnerabilities
   • Instructions:
     1. Notice the scan indicates how many vulnerabilities were found.
        • In my case, there were 63.
     2. The purple vulnerabilities are the highest severity.
     3. Click on MS08-067
   • Note(FYI):
     1. A pen tester will have a big smile on their face, if MS08-067 shows up on the radar.
   • 
3. MS08-067 (Synopsis, Description, Solution)
   • Instructions:
     1. Read the Synopsis
     2. Read the Description
     3. Read the Solution
   • Note(FYI):
     1. Notice this affects not only XP, but also W2K, W2K3, Vista and W2K8.
   • 
4. MS08-067 (Risk and Vulnerability Information)
   • Instructions:
     1. Read the Risk Information
     2. Read the Vulnerability Information
   • Note(FYI):
     1. The vulnerability section actually tells you which tools to use to exploit MS08-067.
   • 
5. MS08-067 (Risk and Vulnerability Information)
   • Note(FYI):
     1. Each reference provides you addition information on the MS08-067 vulnerability.
   • 

Section 8. Save Nessus Report

1. Produce Report
   • Instructions:
     1. Click on Export Results
     2. Export Format: CSV
     3. Click the Export button
   • 
2. Save Report
   • Instructions:
     1. Click the Save File radio button
     2. Click the OK Button
   • 
3. Where to save the report
   • Instructions:
     1. Name: dvwxpsp2.csv
     2. Places: root
     3. Click the Save Button
   • 
4. Close the Download Window
   • Instructions:
     1. Click the "X"
   • 

Section 9. Proof of Lab

Proof of Lab

• Instructions
  1. cd /root
  2. ls -l *.csv
  3. grep -i "MS08-067" *.csv
  4. date
  5. echo "Your Name"
     • Put in your actual name in place of "Your Name"
     • e.g., echo "John Gray"
• Proof Of Lab Instructions:
  1. Press the PrtScn key
  2. Paste into a word document
  3. Upload to website Www.AnToanThongTin.Edu.Vn
•