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[General] Top CCOA Exam Dumps - CCOA Certification

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【General】 Top CCOA Exam Dumps - CCOA Certification

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ISACA CCOA Exam Syllabus Topics:
TopicDetails
Topic 1
  • Adversarial Tactics, Techniques, and Procedures: This section of the exam measures the skills of a Cybersecurity Analyst and covers the tactics, techniques, and procedures used by adversaries to compromise systems. It includes identifying methods of attack, such as phishing, malware, and social engineering, and understanding how these techniques can be detected and thwarted.
Topic 2
  • Technology Essentials: This section of the exam measures skills of a Cybersecurity Specialist and covers the foundational technologies and principles that form the backbone of cybersecurity. It includes topics like hardware and software configurations, network protocols, cloud infrastructure, and essential tools. The focus is on understanding the technical landscape and how these elements interconnect to ensure secure operations.
Topic 3
  • Incident Detection and Response: This section of the exam measures the skills of a Cybersecurity Analyst and focuses on detecting security incidents and responding appropriately. It includes understanding security monitoring tools, analyzing logs, and identifying indicators of compromise. The section emphasizes how to react to security breaches quickly and efficiently to minimize damage and restore operations.
Topic 4
  • Securing Assets: This section of the exam measures skills of a Cybersecurity Specialist and covers the methods and strategies used to secure organizational assets. It includes topics like endpoint security, data protection, encryption techniques, and securing network infrastructure. The goal is to ensure that sensitive information and resources are properly protected from external and internal threats.
Topic 5
  • Cybersecurity Principles and Risk: This section of the exam measures the skills of a Cybersecurity Specialist and covers core cybersecurity principles and risk management strategies. It includes assessing vulnerabilities, threat analysis, and understanding regulatory compliance frameworks. The section emphasizes evaluating risks and applying appropriate measures to mitigate potential threats to organizational assets.

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ISACA Certified Cybersecurity Operations Analyst Sample Questions (Q139-Q144):NEW QUESTION # 139
Which of the following is the PRIMARY benefit of compiled programming languages?
  • A. Ability to change code in production
  • B. Streamlined development
  • C. Fasterapplication execution
  • D. Flexibledeployment
Answer: C
Explanation:
Theprimary benefit of compiled programming languages(like C, C++, and Go) isfaster execution speed because:
* Direct Machine Code:Compiled code is converted to machine language before execution, eliminating interpretation overhead.
* Optimizations:The compiler optimizes code for performance during compilation.
* Performance-Intensive Applications:Ideal for system programming, game development, and high- performance computing.
Other options analysis:
* A. Streamlined development:Compiled languages often require more code and debugging compared to interpreted languages.
* C. Flexible deployment:Interpreted languages generally offer more flexibility.
* D. Changing code in production:Typically challenging without recompilation.
CCOA Official Review Manual, 1st Edition References:
* Chapter 10: Secure Coding Practicesiscusses the benefits and challenges of compiled languages.
* Chapter 8: Software Development Lifecycle (SDLC):Highlights the performance benefits of compiled code.

NEW QUESTION # 140
Analyze the file titled pcap_artifact5.txt on the AnalystDesktop.
Decode the targets within the file pcap_artifact5.txt.
Select the correct decoded targets below.
10cal.com/exam
clOud-s3cure.com
c0c0nutf4rms.net
h3avy_s3as.biz
b4ddata.org
Answer:
Explanation:
See the solution in Explanation.
Explanation:
To decode thetargetswithin the filepcap_artifact5.txt, follow these steps:
Step 1: Access the File
* Log into the Analyst Desktop.
* Navigate to theDesktopand locate the file:
pcap_artifact5.txt
* Open the file using a text editor:
* OnWindows:
nginx
notepad pcap_artifact5.txt
* OnLinux:
cat ~/Desktop/pcap_artifact5.txt
Step 2: Examine the File Contents
* Analyze the contents to identify the encoding format. Common formats include:
* Base64
* Hexadecimal
* URL Encoding
* ROT13
Example Encoded Data (Base64):
makefile
MTBjYWwuY29tL2V4YW0K
Y2xPdWQtczNjdXJlLmNvbQpjMGMwbnV0ZjRybXMubmV0CmgzYXZ5X3MzYXMuYml6CmI0ZGRhdGEu Step 3: Decode the Contents Method 1: Using PowerShell (Windows)
* OpenPowerShell:
powershell
$encoded = Get-Content "C:Users<Username>Desktoppcap_artifact5.txt"
[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($encoded))
* This command will display the decoded targets.
Method 2: Using Linux
* Usebase64 decoding:
base64 -d ~/Desktop/pcap_artifact5.txt
* If the content appears to behexadecimal, use:
xxd -r -p ~/Desktop/pcap_artifact5.txt
* ForURL encoding, use:
echo -e $(cat ~/Desktop/pcap_artifact5.txt | sed 's/%/\x/g')
Step 4: Analyze the Decoded Output
* The decoded content should reveal domain names or URLs.
* Check for valid domain structures, such as:
10cal.com/exam
clOud-s3cure.com
c0c0nutf4rms.net
h3avy_s3as.biz
b4ddata.org
Example Decoded Output:
10cal.com/exam
clOud-s3cure.com
c0c0nutf4rms.net
h3avy_s3as.biz
b4ddata.org
Step 5: Verify the Decoded Targets
* Cross-reference the decoded domains with knownthreat intelligence feedsto check for any malicious indicators.
* Use tools likeVirusTotalorURLHausto verify the domains.
10cal.com/exam
clOud-s3cure.com
c0c0nutf4rms.net
h3avy_s3as.biz
b4ddata.org
Step 6: Document the Finding
* Decoded Targets:
10cal.com/exam
clOud-s3cure.com
c0c0nutf4rms.net
h3avy_s3as.biz
b4ddata.org
* Source File:pcap_artifact5.txt
* Decoding Method:Base64 (or the identified method)

NEW QUESTION # 141
Multi-factor authentication (MFA) BEST protects against which of the following attack vectors?
  • A. Social engineering
  • B. Ransomware
  • C. Compromised credentials
  • D. Malware
Answer: C
Explanation:
Multi-factor authentication (MFA)significantly mitigates risks associated withcompromised credentialsby requiring multiple verification factors, such as:
* Something you know (password)
* Something you have (authenticator app or token)
* Something you are (biometric data)
Even if attackers obtain the password, they would still need additional factors, making unauthorized access far more challenging.
Incorrect Options:
* B. Social engineering:MFA does not directly protect against sophisticated social engineering attacks where users are tricked into giving away all factors.
* C. Malware:MFA does not prevent malware infections on the device.
* D. Ransomware:Ransomware attacks typically bypass authentication mechanisms.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 4, Section "Identity and Access Management," Subsection "Multi-Factor Authentication" - MFA specifically addresses the risk of compromised credentials.

NEW QUESTION # 142
The CISO has received a bulletin from law enforcementauthorities warning that the enterprise may be at risk ofattack from a specific threat actor. Review the bulletin named CCOA Threat Bulletin.pdf on the Desktop.
Which of the following domain name(s) from the CCOAThreat Bulletin.pdf was contacted between 12:10 AMto 12:12 AM (Absolute) on August 17, 2024?
Answer:
Explanation:
See the solution in Explanation.
Explanation:
Step 1: Understand the Objective
Objective:
* Identify thedomain name(s)that werecontactedbetween:
12:10 AM to 12:12 AM on August 17, 2024
* Source of information:
CCOA Threat Bulletin.pdf
* File location:
~/Desktop/CCOA Threat Bulletin.pdf
Step 2: Prepare for Investigation
2.1: Ensure Access to the File
* Check if the PDF exists:
ls ~/Desktop | grep "CCOA Threat Bulletin.pdf"
* Open the file to inspect:
xdg-open ~/Desktop/CCOA Threat Bulletin.pdf
* Alternatively, convert to plain text for easier analysis:
pdftotext ~/Desktop/CCOA Threat Bulletin.pdf ~/Desktop/threat_bulletin.txt cat ~/Desktop/threat_bulletin.txt
2.2: Analyze the Content
* Look for domain names listed in the bulletin.
* Make note ofany domainsorURLsmentioned as IoCs (Indicators of Compromise).
* Example:
suspicious-domain.com
malicious-actor.net
threat-site.xyz
Step 3: Locate Network Logs
3.1: Find the Logs Directory
* The logs could be located in one of the following directories:
/var/log/
/home/administrator/hids/logs/
/var/log/httpd/
/var/log/nginx/
* Navigate to the likely directory:
cd /var/log/
ls -l
* Identify relevant network or DNS logs:
ls -l | grep -E "dns|network|http|nginx"
Step 4: Search Logs for Domain Contacts
4.1: Use the Grep Command to Filter Relevant Timeframe
* Since we are looking for connections between12:10 AM to 12:12 AMonAugust 17, 2024:
grep "2024-08-17 00:1[0-2]" /var/log/dns.log
* Explanation:
* grep "2024-08-17 00:1[0-2]": Matches timestamps between00:10and00:12.
* Replace dns.log with the actual log file name, if different.
4.2: Further Filter for Domain Names
* To specifically filter out the domains listed in the bulletin:
grep -E "(suspicious-domain.com|malicious-actor.net|threat-site.xyz)" /var/log/dns.log
* If the logs are in another file, adjust the file path:
grep -E "(suspicious-domain.com|malicious-actor.net|threat-site.xyz)" /var/log/nginx/access.log Step 5: Correlate Domains and Timeframe
5.1: Extract and Format Relevant Results
* Combine the commands to get time-specific domain hits:
grep "2024-08-17 00:1[0-2]" /var/log/dns.log | grep -E "(suspicious-domain.com|malicious-actor.net|threat- site.xyz)"
* Sample Output:
2024-08-17 00:11:32 suspicious-domain.com accessed by 192.168.1.50
2024-08-17 00:12:01 malicious-actor.net accessed by 192.168.1.75
* Interpretation:
* The command revealswhich domain(s)were contacted during the specified time.
Step 6: Verification and Documentation
6.1: Verify Domain Matches
* Cross-check the domains in the log output against those listed in theCCOA Threat Bulletin.pdf.
* Ensure that the time matches the specified range.
6.2: Save the Results for Reporting
* Save the output to a file:
grep "2024-08-17 00:1[0-2]" /var/log/dns.log | grep -E "(suspicious-domain.com|malicious-actor.net|threat- site.xyz)" > ~/Desktop/domain_hits.txt
* Review the saved file:
cat ~/Desktop/domain_hits.txt
Step 7: Report the Findings
Final Answer:
* Domain(s) Contacted:
* suspicious-domain.com
* malicious-actor.net
* Time of Contact:
* Between 12:10 AM to 12:12 AM on August 17, 2024
* Reasoning:
* Matched thelog timestampsanddomain nameswith the threat bulletin.
Step 8: Recommendations:
* Immediate Block:
* Add the identified domains to theblockliston firewalls and intrusion detection systems.
* Monitor for Further Activity:
* Keep monitoring logs for any further connection attempts to the same domains.
* Perform IOC Scanning:
* Check hosts that communicated with these domains for possible compromise.
* Incident Report:
* Document the findings and mitigation actions in theincident response log.

NEW QUESTION # 143
The network team has provided a PCAP file withsuspicious activity located in the Investigations folderon the Desktop titled, investigation22.pcap.
What date was the webshell accessed? Enter the formatas YYYY-MM-DD.
Answer:
Explanation:
See the solution in Explanation.
Explanation:
To determine thedate the webshell was accessedfrom theinvestigation22.pcapfile, follow these detailed steps:
Step 1: Access the PCAP File
* Log into the Analyst Desktop.
* Navigate to theInvestigationsfolder on the desktop.
* Locate the file:
investigation22.pcap
Step 2: Open the PCAP File in Wireshark
* LaunchWireshark.
* Open the PCAP file:
mathematica
File > Open > Desktop > Investigations > investigation22.pcap
* ClickOpento load the file.
Step 3: Filter for Webshell Traffic
* Since webshells typically useHTTP/Sto communicate, apply a filter:
http.request or http.response
* Alternatively, if you know the IP of the compromised host (e.g.,10.10.44.200), use:
nginx
http and ip.addr == 10.10.44.200
* PressEnterto apply the filter.
Step 4: Identify Webshell Activity
* Look for HTTP requests that include:
* Common Webshell Filenames:shell.jsp, cmd.php, backdoor.aspx, etc.
* Suspicious HTTP Methods:MainlyPOSTorGET.
* Right-click a suspicious packet and choose:
arduino
Follow > HTTP Stream
* Inspect the HTTP headers and content to confirm the presence of a webshell.
Step 5: Extract the Access Date
* Look at theHTTP request/response header.
* Find theDatefield orTimestampof the packet:
* Wireshark displays timestamps on the left by default.
* Confirm theHTTP streamincludes commands or uploads to the webshell.
Example HTTP Stream:
POST /uploads/shell.jsp HTTP/1.1
Host: 10.10.44.200
User-Agent: Mozilla/5.0
Date: Mon, 2024-03-18 14:35:22 GMT
Step 6: Verify the Correct Date
* Double-check other HTTP requests or responses related to the webshell.
* Make sure thedate fieldis consistent across multiple requests to the same file.
2024-03-18
Step 7: Document the Finding
* Date of Access:2024-03-18
* Filename:shell.jsp (as identified earlier)
* Compromised Host:10.10.44.200
* Method of Access:HTTP POST
Step 8: Next Steps
* Isolate the Affected Host:
* Remove the compromised server from the network.
* Remove the Webshell:
rm /path/to/webshell/shell.jsp
* Analyze Web Server Logs:
* Correlate timestamps with access logs to identify the initial compromise.
* Implement WAF Rules:
* Block suspicious patterns related to file uploads and webshell execution.

NEW QUESTION # 144
......
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