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| Section | Weight | Objectives |
|---|---|---|
| Forensics Techniques | 20% | - Forensic tools: Volatility, Sysinternals, SIFT, TCPdump - MITRE ATT&CK framework for fileless malware analysis - Identifying Indicators of Compromise (IOC) from tools output - Host-based evidence location and collection - Script analysis (Python, PowerShell, Bash) for log processing |
| Malware Analysis | 15% | - Static and dynamic malware analysis - Reverse engineering principles - Malware family and campaign identification - Malware classification and behavior analysis |
| Fundamentals | 20% | - Encoding and obfuscation techniques - Root cause analysis reporting components - Antiforensic tactics, techniques, and procedures - Evidence collection in virtualized environments - YARA rules for malware identification and classification - Network infrastructure device forensics |
| Incident Response Techniques | 30% | - Correlating host and network activity data - Response to zero-day exploits and vulnerabilities - Interpreting alerts from SIEM, IDS/IPS, syslog - Threat intelligence interpretation: IOCs, IOAs, actor profiling - Post-incident analysis and improvement actions - Attack vector analysis and mitigation recommendations - Cisco security solutions for detection and prevention |
| Forensics Processes | 15% | - Antiforensic techniques: debugging, geolocation, obfuscation - Legal and compliance considerations - Data acquisition: memory, disk, network - Evidence handling and chain of custody |
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질문 # 137
Which tool is used for reverse engineering malware?
정답：D
설명：
Explanation/Reference: https://www.nsa.gov/resources/everyone/ghidra/#:~:text=Ghidra%20is%20a%20software%
20reverse,in%20their%20networks%20and%20systems.
질문 # 138
Refer to the exhibit.
Which two actions should be taken as a result of this information? (Choose two.)
정답：B,E
설명：
Comprehensive and Detailed Explanation:
The exhibit contains STIX (Structured Threat Information Expression) formatted threat intelligence indicating:
* A phishing indicator related to the domain: apponline-8473.xyz
* Associated malicious IP addresses: 164.90.168.78 and 199.19.224.83
* Labelled as "malicious-activity" with "xfe-threat-score-10"
Based on this:
* Option B is correct: The IP addresses explicitly listed in the pattern field should be blacklisted to prevent command-and-control or malicious connections.
* Option C is correct: The domain apponline-8473.xyz is also listed and flagged as involved in phishing, so DNS and firewall rules should block access to and from this domain.
Options A and E are too broad or speculative; the data specifies a specific domain, not a generic block on all emails or URLs. Option D refers to a label used for classification and not a directly actionable item.
Therefore, the correct answers are: B and C.
질문 # 139
A threat intelligence report identifies an outbreak of a new ransomware strain spreading via phishing emails that contain malicious URLs. A compromised cloud service provider, XYZCloud, is managing the SMTP servers that are sending the phishing emails. A security analyst reviews the potential phishing emails and identifies that the email is coming from XYZCloud. The user has not clicked the embedded malicious URL.
What is the next step that the security analyst should take to identify risk to the organization?
정답：D
설명：
Since the phishing email originates from a known compromised cloud provider (XYZCloud), the correct immediate action for the security analyst is to determine the broader scope of exposure. This involves checking whether other users in the organization received similar emails from the same potentially malicious source. Therefore, querying for emails from theIP address rangesorSMTP domainslinked to XYZCloud is essential for identifying other possible attack vectors.
This step aligns with the containment phase of the incident response lifecycle, as outlined in theCyberOps Technologies (CBRFIR) 300-215 study guide, where threat hunting and log analysis are used to determine the extent of compromise and prevent lateral movement or further exposure. Only after the scope is understood should remediation or reporting actions follow.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter: Email-Based Threats and Containment Strategy during Incident Response.
질문 # 140
Several previously unseen executable files are detected on an international bank's transaction servers after an overnight batch-processing update. The executables make covert outbound connections to a server in a jurisdiction known for harboring threat actors. Their creation time also coincides with a network-intrusion attempt that the SOC initially classified as unsuccessful. The IT engineer has collected the observations and available data. Which set of actions should occur next?
정답：B
설명：
After initial collection, the engineer should escalate the suspected compromise to the incident-response team and begin structured analysis. Comparing the new executables, timestamps, services, hashes, and configurations with trusted baselines helps determine what changed and whether the overnight update was abused. Investigating the intrusion attempt's source connects the allegedly unsuccessful event to the later files and outbound communications. Options A and D begin potentially disruptive containment before the authorized response team has assessed the transaction systems' criticality and selected a strategy. Option C adds external information sharing before the organization has validated scope and facts. NIST SP 800-61r3 states that incident handlers collect and analyze evidence, prioritize response, and investigate what happened, how, and why; it also requires escalation based on risk. This corresponds to CBRFIR incident analysis, correlation, and response-process objectives. NIST SP 800-61r3
질문 # 141 
Refer to the exhibit. After a cyber attack, an engineer is analyzing an alert that was missed on the intrusion detection system. The attack exploited a vulnerability in a business critical, web-based application and violated its availability. Which two migration techniques should the engineer recommend? (Choose two.)
정답：C,E
질문 # 142
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