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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Fundamentals | 20% | - YARA rules for malware identification and classification - Antiforensic tactics, techniques, and procedures - Encoding and obfuscation techniques - Root cause analysis reporting components - Network infrastructure device forensics - Evidence collection in virtualized environments |
| Topic 2: Forensics Techniques | 20% | - Script analysis (Python, PowerShell, Bash) for log processing - Host-based evidence location and collection - Identifying Indicators of Compromise (IOC) from tools output - MITRE ATT&CK framework for fileless malware analysis - Forensic tools: Volatility, Sysinternals, SIFT, TCPdump |
| Topic 3: Malware Analysis | 15% | - Static and dynamic malware analysis - Reverse engineering principles - Malware classification and behavior analysis - Malware family and campaign identification |
| Topic 4: Forensics Processes | 15% | - Antiforensic techniques: debugging, geolocation, obfuscation - Legal and compliance considerations - Evidence handling and chain of custody - Data acquisition: memory, disk, network |
| Topic 5: Incident Response Techniques | 30% | - Post-incident analysis and improvement actions - Threat intelligence interpretation: IOCs, IOAs, actor profiling - Attack vector analysis and mitigation recommendations - Cisco security solutions for detection and prevention - Interpreting alerts from SIEM, IDS/IPS, syslog - Response to zero-day exploits and vulnerabilities - Correlating host and network activity data |
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NEW QUESTION # 52
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.)
Answer: D,E
Explanation:
When suspicious activity is detected on a workstation, immediate steps need to be taken to preserve evidence and prevent further compromise:
* Disconnecting the system from the network (C)is crucial to stop potential exfiltration of data or ongoing communications with a command-and-control server. This isolation prevents further spread or damage while preserving the state of the compromised system for further investigation.
* Taking an image of the workstation (E)is part of the forensics acquisition process. It involves creating a bit-by-bit copy of the system's disk, which preserves all evidence in its current state. This allows for thorough forensic analysis without affecting the original evidence.
These steps align with the best practices outlined in the incident response and forensics processes (as described in theCyberOps Technologies (CBRFIR) 300-215 study guide). Specifically, in theIdentification and Containmentphases of the incident response cycle, it's emphasized that isolating the system and preserving evidence through imaging are critical to ensuring both containment of the threat and successful forensic investigation.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter: Understanding the Security Incident Response Process, Identification and Containment Phases, page 102-104.
NEW QUESTION # 53
A security team received an alert of suspicious activity on a user's Internet browser. The user's anti-virus software indicated that the file attempted to create a fake recycle bin folder and connect to an external IP address. Which two actions should be taken by the security analyst with the executable file for further analysis? (Choose two.)
Answer: D,E
Explanation:
Cisco Secure Malware Analytics (formerly Threat Grid) enables deep file behavior analysis, including TCP/IP stream analysis and behavioral indicators such as file system activity, process injection, registry changes, and command and control communication. These are essential in understanding what the suspicious file does post- execution, especially given the described behavior of creating a fake folder and outbound connection attempts.
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NEW QUESTION # 54
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?
Answer: B
Explanation:
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.
NEW QUESTION # 55
An organization fell victim to a ransomware attack that successfully infected 256 hosts within its network. In the aftermath of this incident, the organization's cybersecurity team must prepare a thorough root cause analysis report. This report aims to identify the primary factor or factors that led to the successful ransomware attack and to develop strategies for preventing similar incidents in the future. In this context, what should the cybersecurity engineer include in the root cause analysis report to demonstrate the underlying cause of the incident?
Answer: C
Explanation:
According to the Cisco CyberOps Associate guide, the goal of a root cause analysis is to determine how an attacker successfully exploited a system so that similar vulnerabilities can be mitigated in the future. The
"method of infection" (e.g., phishing email with malicious attachment, drive-by download, credential compromise, etc.) is the most relevant factor in understanding the initial access vector and subsequent spread of ransomware across the network.
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NEW QUESTION # 56
An engineer is analyzing a ticket for an unexpected server shutdown and discovers that the web-server ran out of useable memory and crashed.
Which data is needed for further investigation?
Answer: D
NEW QUESTION # 57
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