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Cisco 300-215 exam is a challenging and comprehensive exam that requires a thorough understanding of cybersecurity concepts and practices. 300-215 exam covers a wide range of topics, including the identification and analysis of security incidents, the use of various tools and techniques for forensic analysis, and the implementation of security controls to prevent future incidents. 300-215 exam is designed to test the candidate's ability to think critically and solve complex problems related to cybersecurity.
Cisco 300-215 exam covers a range of topics, including forensic analysis methodologies, legal considerations for conducting digital investigations, and best practices for collecting and preserving digital evidence. Additionally, candidates will learn about various types of forensic tools and their use in data recovery, system analysis, and evidence acquisition. Conducting Forensic Analysis & Incident Response Using Cisco Technologies for CyberOps certification exam is also designed to assess the candidate's ability to analyze logs and other data sources to identify anomalous behavior and potential security incidents.
NEW QUESTION # 18
An employee receives an email from a "trusted" person containing a hyperlink that is malvertising. The employee clicks the link and the malware downloads. An information analyst observes an alert at the SIEM and engages the cybersecurity team to conduct an analysis of this incident in accordance with the incident response plan. Which event detail should be included in this root cause analysis?
- A. alert identified by the cybersecurity team
- B. information from the email header
- C. alarm raised by the SIEM
- D. phishing email sent to the victim
Answer: D
Explanation:
Theroot cause analysisin incident response focuses on identifying theinitial trigger or root causeof the incident to understand how it started and how to prevent recurrence. In this scenario, thephishing email sent to the victim(A) is the initial trigger that led to the employee's action of clicking the malvertising link, resulting in the malware download.
The other options represent later stages in the incident response cycle, such as detection (SIEM alert, cybersecurity team's alert) or supporting evidence (email header information), but they do not address the root cause, which is thephishing email itself.
This aligns with theCyberOps Technologies (CBRFIR) 300-215 study guide, which states that identifying theinitial vector of compromiseis critical to theroot cause analysisphase of incident response (Chapter:
Incident Response Techniques, page 410-412).
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter: Incident Response Techniques, Root Cause Analysis, page 410-412.
NEW QUESTION # 19
Refer to the exhibit.
Which determination should be made by a security analyst?
- A. An email was sent with an attachment named "Final Report.doc".
- B. An email was sent with an attachment named "Grades.doc".
- C. An email was sent with an attachment named "Final Report.doc.exe".
- D. An email was sent with an attachment named "Grades.doc.exe".
Answer: C
Explanation:
The XML structure shows that:
* The file name starts with: "Final Report"
* The file extension equals: "doc.exe"
Together, this forms "Final Report.doc.exe" - a known double-extension technique used to disguise executables as benign documents. This is a red flag in email forensics, commonly linked to malware distribution, and explicitly covered in the Cisco CyberOps study material as a typical evasion method for malicious attachments.
NEW QUESTION # 20
An incident responder reviews a log entry that shows a Microsoft Word process initiating an outbound network connection followed by PowerShell execution with obfuscated commands. Considering the machine's role in a sensitive data department, what is the most critical action for the responder to take next to analyze this output for potential indicators of compromise?
- A. Conduct a behavioral analysis of the PowerShell execution pattern and deobfuscate the commands to assess malicious intent.
- B. Examine the network destination of the outbound connection to assess the credibility and categorize the traffic.
- C. Compare the metadata of the Microsoft Word document with known templates to verify its authenticity.
- D. Correlate the time of the outbound network connection with the user's activity log to establish a usage pattern.
Answer: A
Explanation:
When dealing with suspected malicious activity involving obfuscated PowerShell scripts-especially when launched from Microsoft Word documents-behavioral analysis is the most critical next step. This approach helps in determining if the process chain is part of a known attack pattern, such as a phishing attempt using malicious macros that launch PowerShell for data exfiltration or payload download.
As highlighted in theCyberOps Technologies (CBRFIR) 300-215 study guide, understanding behavior and deobfuscating PowerShell scripts is an essential part of the forensic and incident response process.
Specifically:
* During the detection and analysis phase, if PowerShell is used with obfuscated or encoded commands, responders should investigate the intent and behavior of the command.
* Deobfuscation allows analysts to see what the script is doing (e.g., downloading files, creating persistence mechanisms, or opening a reverse shell).
The guide states:
"For example, if the threat is malware, the compromised system should be immediately isolated and the malware should be placed in a sandbox or a detonation chamber to understand what it is trying to do".
This confirms that understanding execution behavior (such as what the PowerShell script intends to perform) is key to uncovering indicators of compromise (IoCs).
Thus, option C-conducting a behavioral analysis and deobfuscating PowerShell-is the most critical and effective response at this stage.
NEW QUESTION # 21
A network host is infected with malware by an attacker who uses the host to make calls for files and shuttle traffic to bots. This attack went undetected and resulted in a significant loss. The organization wants to ensure this does not happen in the future and needs a security solution that will generate alerts when command and control communication from an infected device is detected. Which network security solution should be recommended?
- A. Cisco Secure Firewall Threat Defense (Firepower)
- B. Cisco Secure Web Appliance (WSA)
- C. Cisco Secure Firewall ASA
- D. Cisco Secure Email Gateway (ESA)
Answer: A
NEW QUESTION # 22
Refer to the exhibit.
Which determination should be made by a security analyst?
- A. An email was sent with an attachment named "Final Report.doc".
- B. An email was sent with an attachment named "Grades.doc".
- C. An email was sent with an attachment named "Final Report.doc.exe".
- D. An email was sent with an attachment named "Grades.doc.exe".
Answer: C
Explanation:
The XML structure shows that:
* The file namestarts with:"Final Report"
* The file extensionequals:"doc.exe"
Together, this forms"Final Report.doc.exe"- a knowndouble-extensiontechnique used todisguise executablesas benign documents. This is a red flag in email forensics, commonly linked tomalware distribution, and explicitly covered in the Cisco CyberOps study material as a typicalevasion methodfor malicious attachments.
NEW QUESTION # 23
Refer to the exhibit.
A security analyst notices unusual connections while monitoring traffic. What is the attack vector, and which action should be taken to prevent this type of event?
- A. SYN flooding; block malicious packets
- B. DNS spoofing; encrypt communication protocols
- C. MAC flooding; assign static entries
- D. ARP spoofing; configure port security
Answer: D
Explanation:
The exhibit shows multipleARP reply packetswith the same IP addresses (192.168.51.105and192.
168.51.201) being mapped todifferent MAC addresses, which triggers the message: "duplicate use of [IP] detected". This is a strong indicator of anARP spoofing(or poisoning) attack.
ARP spoofing occurs when a malicious actor sends falsified ARP messages to associate their MAC address with the IP address of another host. This misleads other devices on the network and allows interception or redirection of traffic.
The Cisco CyberOps Associate guide specifically recommendsconfiguring port securityon switches as a method tomitigate ARP spoofing, by limiting the number of MAC addresses allowed per port or statically assigning legitimate MAC addresses to switch ports.
NEW QUESTION # 24
What are YARA rules based upon?
- A. IP addresses
- B. binary patterns
- C. HTML code
- D. network artifacts
Answer: B
Explanation:
YARA rulesare primarily used for malware classification and detection based onbinary pattern matchingwithin files. They describe sequences of bytes, strings, and other file characteristics found in malicious binaries.
The Cisco CyberOps Associate guide explains:"YARA rules operate by inspecting binary data using conditions and string matches to identify specific patterns that indicate known malware samples.".
NEW QUESTION # 25
An attacker modifies a malicious file named TOPSECRET0523619132 by changing its file extension from a .
png to a doc in an attempt to evade detection. Which technique is being used to disguise the file?
- A. spoofing
- B. steganography
- C. hashing
- D. obfuscatiofi
Answer: D
NEW QUESTION # 26
A security team is notified from a Cisco ESA solution that an employee received an advertising email with an attached .pdf extension file. The employee opened the attachment, which appeared to be an empty document.
The security analyst cannot identify clear signs of compromise but reviews running processes and determines that PowerShell.exe was spawned by CMD.exe with a grandparent AcroRd32.exe process. Which two actions should be taken to resolve this issue? (Choose two.)
- A. Quarantine this workstation for further investigation, as this event is an indication of suspicious activity.
- B. Check the Windows Event Viewer for security logs about the incident.
- C. Upload the .pdf file to Cisco Threat Grid and analyze suspicious activity in depth.
- D. No action is required because this behavior is standard for .pdf files.
- E. Investigate the reputation of the sender address and temporarily block all communications with this email domain.
Answer: A,C
Explanation:
The observed process tree (AcroRd32.exe # cmd.exe # powershell.exe) strongly suggests malicious behavior
, particularly in PDF-based malware attacks leveraging embedded scripts or exploits.
* A is correct: Submitting the suspicious PDF to Cisco Threat Grid allows sandbox analysis to detect hidden malicious behaviors.
* D is correct: The suspicious activity warrants quarantining the host to contain potential spread or further compromise.
NEW QUESTION # 27
Refer to the exhibit.
A company that uses only the Unix platform implemented an intrusion detection system. After the initial configuration, the number of alerts is overwhelming, and an engineer needs to analyze and classify the alerts.
The highest number of alerts were generated from the signature shown in the exhibit. Which classification should the engineer assign to this event?
- A. False Negative alert
- B. False Positive alert
- C. True Negative alert
- D. True Positive alert
Answer: B
Explanation:
The alert shown is based on aSnort rulefor aUnicode directory traversal attack against IIS web servers (Microsoft platform). The key detail here is the payload content"../..%c0%af../"which is a classic IIS-specific exploit related toCVE-2000-0884.
Since the company only usesUnix systems, they arenot vulnerableto this IIS-specific attack. Therefore, these alerts are triggered by irrelevant traffic or misapplied signatures, resulting inFalse Positives.
As defined in the Cisco CyberOps guide:
"False Positive: an alert is generated for traffic that is not actually malicious or relevant to the protected environment".
NEW QUESTION # 28
Data has been exfiltrated and advertised for sale on the dark web. A web server shows:
* Database unresponsiveness
* PageFile.sys changes
* Disk usage spikes with CPU spikes
* High page faults
Which action should the IR team perform on the server?
- A. Review the database.log file in the program files directory for database errors
- B. Analyze the PageFile.sys file in the System Drive and the Virtual Memory configuration
- C. Check the Memory.dmp file in the Windows directory for memory leak indications
- D. Examine the system.cfg file in the Windows directory for improper system configurations
Answer: B
Explanation:
The combination of CPU spikes, disk usage peaks, and fluctuating PageFile.sys indicates excessive virtual memory paging, which may be a sign of malicious memory or file access behavior. PageFile.sys is part of the virtual memory system, and analyzing it can reveal which processes or payloads are consuming unusual amounts of memory, especially during exfiltration events.
NEW QUESTION # 29
Refer to the exhibit.
Which two actions should be taken based on the intelligence information? (Choose two.)
- A. Block network access to all .shop domains
- B. Use the DNS server to block hole all .shop requests.
- C. Route traffic from identified domains to block hole.
- D. Block network access to identified domains.
- E. Add a SIEM rule to alert on connections to identified domains.
Answer: D,E
Explanation:
The STIX intelligence feed in the exhibit identifies specific malicious domains, such as:
* fightcovid19.shop
* nocovid19.shop
* stopcovid19.shop
These are categorized as "Malicious FQDN Indicator." The recommended cybersecurity actions when such threat intelligence is received are:
* D. Block network access to identified domains: This directly prevents users or systems from communicating with known malicious infrastructure and is a critical first step in threat mitigation.
* B. Add a SIEM rule to alert on connections to identified domains: This ensures that any attempted communication with these domains is flagged for immediate review and action, enabling real-time threat detection and incident response.
Blocking all .shop domains (Option A or C) would be overbroad and potentially disruptive, as many legitimate websites also use that TLD. Option E (routing to block hole) could be valid as a DNS strategy, but B and D represent the most actionable and precise responses per standard incident response practices.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on "Threat Intelligence Platforms," covering how to operationalize STIX/TAXII indicators via blocking and SIEM integration.
NEW QUESTION # 30
What is a use of TCPdump?
- A. to decode user credentials
- B. to analyze IP and other packets
- C. to view encrypted data fields
- D. to change IP ports
Answer: B
Explanation:
TCPdump is a command-line packet analyzer used to capture and inspect network packets. As described in the study guide, "tcpdump is a command-line interface tool that is used to capture packets on a network. It is a very powerful and popular network protocol analyzer". The tool allows cybersecurity professionals to analyze headers and payloads of network traffic, making it valuable in forensic investigations and network diagnostics.
NEW QUESTION # 31
Refer to the exhibit.
A security analyst is reviewing alerts from the SIEM system that was just implemented and notices a possible indication of an attack because the SSHD system just went live and there should be nobody using it. Which action should the analyst take to respond to the alert?
- A. Reset the admin password in SSHD to prevent unauthorized access to the system at scale.
- B. Investigate the alert by checking SSH logs and correlating with other relevant data in SIEM.
- C. Ignore the alert and continue monitoring for further activity because the system was just implemented.
- D. Immediately block the IP address 192.168.1.100 from accessing the SSHD environment.
Answer: B
Explanation:
The log entry shows a failed SSH login attempt for an invalid user "admin" from IP 192.168.1.100. As the system has just gone live and no legitimate use is expected, this could be an early reconnaissance or brute- force attempt. However, blocking IPs or resetting passwords without fully understanding the context could lead to incomplete remediation or false positives.
According to Cisco CyberOps best practices, the first step is to thoroughly investigate the alert by correlating it with other logs (e.g., authentication logs, IDS/IPS logs) to determine the intent and scope of activity.
-
NEW QUESTION # 32
Refer to the exhibit.
What is occurring within the exhibit?
- A. Host 209.141.51.196 redirects the client request to port 49723.
- B. Source 10.1.21.101 is communicating with 209.141.51.196 over an encrypted channel.
- C. Source 10.1.21.101 sends HTTP requests with the size of 302 kb.
- D. Host 209.141.51.196 redirects the client request from /Lk9tdZ to /files/1.bin.
Answer: D
Explanation:
The Wireshark capture shows a series of HTTP requests and responses:
* The client (10.1.21.101) sends a GET request for/Lk9tdZ.
* The server (209.141.51.196) responds withHTTP/1.1 302 Found, which is a standard HTTP status code indicating a redirection.
* The subsequent GET request from the client is for/files/1.bin, which indicates it followed the redirect.
This behavior confirms that the server is issuing an HTTP 302 redirect from the initial request path/Lk9tdZto
/files/1.bin. This is often observed in malware command-and-control behavior or file download staging.
* Option A is incorrect: 302 is a status code, not a data size.
* Option C is incorrect: port 49723 is a source/destination ephemeral port, not a redirect target.
* Option D is incorrect: communication is over HTTP, not HTTPS (which would indicate encryption).
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on Network Traffic Analysis and HTTP Status Code Interpretation.
NEW QUESTION # 33
A security team detected an above-average amount of inbound tcp/135 connection attempts from unidentified senders. The security team is responding based on their incident response playbook. Which two elements are part of the eradication phase for this incident? (Choose two.)
- A. data and workload isolation
- B. anti-malware software
- C. intrusion prevention system
- D. enterprise block listing solution
- E. centralized user management
Answer: C,E
NEW QUESTION # 34
An engineer is investigating a ticket from the accounting department in which a user discovered an unexpected application on their workstation. Several alerts are seen from the intrusion detection system of unknown outgoing internet traffic from this workstation. The engineer also notices a degraded processing capability, which complicates the analysis process. Which two actions should the engineer take? (Choose two.)
- A. Disconnect from the network.
- B. Restore to a system recovery point.
- C. Format the workstation drives.
- D. Replace the faulty CPU.
- E. Take an image of the workstation.
Answer: B,E
NEW QUESTION # 35
Which two tools conduct network traffic analysis in the absence of a graphical user interface? (Choose two.)
- A. TCPshark
- B. Network Extractor
- C. NetworkDebuggerPro
- D. Wireshark
- E. TCPdump
Answer: A,E
Explanation:
* TCPdumpis a CLI-based packet capture tool that is widely used for real-time traffic inspection and analysis on Unix/Linux systems.
* TCPsharkis a variant CLI tool used similarly for packet analysis.
AlthoughWiresharkis a powerful network protocol analyzer, it requires a GUI. Therefore, it is not suitable for environments without a graphical interface.
NEW QUESTION # 36
Refer to the exhibit.
An HR department submitted a ticket to the IT helpdesk indicating slow performance on an internal share server. The helpdesk engineer checked the server with a real-time monitoring tool and did not notice anything suspicious. After checking the event logs, the engineer noticed an event that occurred 48 hour prior. Which two indicators of compromise should be determined from this information? (Choose two.)
- A. compromised root access
- B. malware outbreak
- C. denial of service attack
- D. privilege escalation
- E. unauthorized system modification
Answer: A,E
NEW QUESTION # 37
A website administrator has an output of an FTP session that runs nightly to download and unzip files to a local staging server. The download includes thousands of files, and the manual process used to find how many files failed to download is time-consuming. The administrator is working on a PowerShell script that will parse a log file and summarize how many files were successfully downloaded versus ones that failed. Which script will read the contents of the file one line at a time and return a collection of objects?
- A. Get-Content-Folder \\Server\FTPFolder\Logfiles\ftpfiles.log | Show-From "ERROR", "SUCCESS"
- B. Get-Content -ifmatch \\Server\FTPFolder\Logfiles\ftpfiles.log | Copy-Marked "ERROR", "SUCCESS"
- C. Get-Content -Directory \\Server\FTPFolder\Logfiles\ftpfiles.log | Export-Result "ERROR", "SUCCESS"
- D. Get-Content -Path \\Server\FTPFolder\Logfiles\ftpfiles.log | Select-String "ERROR", "SUCCESS"
Answer: D
NEW QUESTION # 38 
- A. Evaluate the artifacts in Cisco Secure Malware Analytics.
- B. Analyze the registry activity section in Cisco Umbrella.
- C. Analyze the activity paths in Cisco Secure Malware Analytics.
- D. Evaluate the file activity in Cisco Umbrella.
Answer: A
Explanation:
The correct next step in analyzing the malicious nature of the email is to evaluate the artifacts in Cisco Secure Malware Analytics (formerly Threat Grid). This tool provides a comprehensive sandbox environment where behavioral indicators like file execution, registry access, and domain connections are logged and scored.
The exhibit shows:
* Remote PowerShell execution
* Executable download from a flagged domain
* SHA256 hash linked to malware
All these artifacts, as labeled in the Secure Malware Analytics output, are key indicators of compromise, and analyzing them further can confirm whether the email was part of a malicious campaign.
Thus, the best action is:
A). Evaluate the artifacts in Cisco Secure Malware Analytics.
NEW QUESTION # 39 
- A. Validate the SSL certificate for 23.1.4.14.
- B. Generate a Windows executable file.
- C. Open the Mozilla Firefox browser.
- D. Initiate a connection to 23.1.4.14 over port 8443.
Answer: D
Explanation:
This Python script uses a combination of libraries (urllib, zlib, base64, and ssl) to:
* Disable SSL certificate verification (ssl.CERT_NONE and check_hostname=False).
* Construct a custom HTTPS opener with the specified SSL context.
* Add a forged User-Agent header to mimic Internet Explorer 11.
* Connect to the URL https://23.1.4.14:8443.
* Download and execute base64-encoded and zlib-compressed content from that URL using:
exec(zlib.decompress(base64.b64decode(...).read()))
This shows a classic example of:
* Downloading payloads from a remote server (23.1.4.14:8443).
* Avoiding detection by disabling SSL verification.
* Executing the payload dynamically with exec() after decoding and decompressing.
The main goal is clearly to initiate a connection to a remote command-and-control (C2) server on port 8443 and download/execute additional code.
Hence, the correct answer is: A. Initiate a connection to 23.1.4.14 over port 8443.
NEW QUESTION # 40
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Cisco 300-215 exam is designed to test the skills and knowledge required to conduct forensic analysis and incident response using Cisco technologies in a cybersecurity operations (CyberOps) role. 300-215 exam is part of the Cisco Certified CyberOps Professional certification and is aimed at professionals who want to enhance their skills in cybersecurity incident response and forensic analysis. 300-215 exam focuses on different topics such as threat intelligence, network and endpoint forensics, incident response, and event correlation.
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