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Assessing and Securing Systems on a Wan and Applying Encryption and Hashing Algorithms for Secure Communications

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Submitted By daniellehunker
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Unit 1 Individual Project
Danielle Hunker
Ethical Hacking
Colorado Technical University Online
CSS280
February 22, 2016

Assessment Worksheet
Assessing and Securing Systems on a Wide Area Network (WAN)
Course Name and Number: Ethical Hacking CSS280
Student Name: Danielle Hunker
Instructor Name: Jimmy Irwin
Lab Due Date: February 22, 2016
Overview
In this lab, a systems administrator for the securelabsondemand.com network has reported odd behavior on two servers that support legacy applications you first conducted internal penetration tests (also called a vulnerability scan) on each system and then helped secure those systems by configuring firewalls and removing vulnerable open ports.
Lab Assessment Questions & Answers 1. What is the first Nmap command you ran in this lab? Explain the switches used.
Nmap command: nmap –O –v 10.20.100.50
-O was the switch used to detect the operating system 10.20.100.50
-v was the switch used to show the detail of 10.20.100.50 2. What are the open ports when scanning 192.168.3.25 and their service names? * 80 HTTP services * 135 Microsoft EPMAP (End Point Mapper) * 139 NetBios session service * 445 Microsoft DS, SMB file sharing and CIFS (common internet file sharing) * 3389 RDP (Remote Desktop Protocol) * 5357 WSDAPI web services for devices * 49152 uo to 49157 DCOM or ephemeral ports 3. What is the command line syntax for running an SMB vulnerability scan with Nmap against 10.20.100.50?
Nmap –script=smb-check-vulns –p445 10.20.100.50 4. Explain why SMBv2 DoS (CVE-2009-3103) is bad.
SMBv2DoS is bad because this kind of vulnerability allows for a denial of service attack with the Blue Screen of Death or BSOD. 5. What is the operating system of IP address 192.168.40.238?
FreeBSD 7.x|8.x|9.x|10.x 6. What are the reverse IP

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