QuestionQuestion

Overview: Syslog is a protocol for machines on a network to communicate logging information to a centralized server for analysis and storage. You have been given a syslog file and been told from your supervisor that there might be some suspicious logins on one of your systems. Your job is to provide evidence of these actions.

Setup: Download the syslog text file that you will analyze for the assignment/
Required functionality:
• Create a script that passes in a file and then analyzes it for specific patterns that you will specify during the analysis.
• When the script is executed pass in your text file.
• Create RegEx expressions to determine if there were any guest or anonymous accounts logged into the system.
• Create a RegEx expression to determine if any malicious executable files were downloaded onto the machine.

What to Submit:
Submit your shell script into the assignment. Also, answer the following questions using your script:
1. How many guest or anonymous accounts were logged in?
2. Were there any malicious executables downloaded and if so what?

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These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.

#!/bin/sh
num=$(grep -c 'Worm.*FOUND\|\.exe' MOA1-testfile-sysLog.txt)
echo "number of malicious executable files were downloaded onto the machine = ${num}"...

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Solution.sh and SolutionLog.txt.

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