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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Forensics Techniques | 20% | - Script analysis (Python, PowerShell, Bash) for log processing - Forensic tools: Volatility, Sysinternals, SIFT, TCPdump - Host-based evidence location and collection - Identifying Indicators of Compromise (IOC) from tools output - MITRE ATT&CK framework for fileless malware analysis |
| Topic 2: Fundamentals | 20% | - Root cause analysis reporting components - Encoding and obfuscation techniques - YARA rules for malware identification and classification - Evidence collection in virtualized environments - Network infrastructure device forensics - Antiforensic tactics, techniques, and procedures |
| Topic 3: Incident Response Techniques | 30% | - Threat intelligence interpretation: IOCs, IOAs, actor profiling - Interpreting alerts from SIEM, IDS/IPS, syslog - Correlating host and network activity data - Cisco security solutions for detection and prevention - Post-incident analysis and improvement actions - Response to zero-day exploits and vulnerabilities - Attack vector analysis and mitigation recommendations |
| Topic 4: Malware Analysis | 15% | - Static and dynamic malware analysis - Malware family and campaign identification - Malware classification and behavior analysis - Reverse engineering principles |
| Topic 5: Forensics Processes | 15% | - Legal and compliance considerations - Evidence handling and chain of custody - Antiforensic techniques: debugging, geolocation, obfuscation - Data acquisition: memory, disk, network |
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78. Frage
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?
Antwort: C
Begründung:
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.
79. Frage
A small company must create a temporary detection solution for distributed denial-of-service attacks. An engineer installs Suricata IDPS on an Ubuntu virtual machine and adds a denial-of-service detection rule.
Which rule headers must be used to alert on a SYN-flood attack?
Antwort: A
Begründung:
A SYN flood abuses the TCP handshake, so the applicable Suricata signature must inspect TCP traffic rather than DNS- or HTTP-only application traffic. Option B correctly scopes traffic between the untrusted
$EXTERNAL_NET and protected $HOME_NET, including the inbound direction in which attack SYN packets would normally arrive and the return direction used for correlation. Option C is unnecessarily broad because any ignores the defined trust boundaries. Strictly speaking, the displayed lines are only rule headers; a production SYN-flood signature must also include options that identify SYN-only behavior and a rate condition, such as TCP flags and a threshold or detection filter. Without those options, it would alert on ordinary TCP traffic. Suricata's official rule documentation confirms that a header defines action, protocol, addresses, ports, and direction. This belongs to CBRFIR incident-alert interpretation and mitigation. Suricata rule format
80. Frage
Refer to the exhibit.
An engineer received a ticket to analyze a recent breach on a company blog. Every time users visit the blog, they are greeted with a message box. The blog allows users to register, log in, create, and provide comments on various topics. Due to the legacy build of the application, it stores user information in the outdated MySQL database. What is the recommended action that an engineer should take?
Antwort: B
Begründung:
The alert box in the screenshot ("HACKED BY 1337") is a classic sign ofCross-Site Scripting (XSS). This occurs when unvalidated input is executed as code in a browser.
To prevent this:
* TheCisco CyberOps Associateguide recommendsstrict input validationas the primary defense against XSS and similar web-based injection attacks.
81. Frage 
Antwort: B
Begründung:
The code includes syntax and modules such asimport win32con,import win32api, and uses Python-specific formatting likedef,try/except, andprint, clearly indicating that this is written in Python. It also uses thewmimodule to monitor process creation events-a common technique in Python-based process monitoring scripts on Windows.
-
82. Frage
Refer to the exhibit.
A cybersecurity analyst is presented with the snippet of code used by the threat actor and left behind during the latest incident and is asked to determine its type based on its structure and functionality. What is the type of code being examined?
Antwort: C
Begründung:
The Python code snippet:
Uses socket.socket(AF_INET, SOCK_STREAM), which indicates TCP communication Connects to a remote server (192.168.1.10 on port 80) Sends a manual HTTP GET request Receives the response using s.recv() This is a classic example of TCP/IP socket programming, specifically creating a simple TCP client to communicate with a web server. It does not monitor traffic or crawl websites - it sends a crafted request and prints the response.
Thus, this code best fits:
D). socket programming listener for TCP/IP communication.
83. Frage
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