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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Incident Response Techniques | 30% | - Correlating host and network activity data - Cisco security solutions for detection and prevention - Interpreting alerts from SIEM, IDS/IPS, syslog - Post-incident analysis and improvement actions - Attack vector analysis and mitigation recommendations - Response to zero-day exploits and vulnerabilities - Threat intelligence interpretation: IOCs, IOAs, actor profiling |
| Topic 2: Fundamentals | 20% | - Antiforensic tactics, techniques, and procedures - YARA rules for malware identification and classification - Evidence collection in virtualized environments - Network infrastructure device forensics - Encoding and obfuscation techniques - Root cause analysis reporting components |
| Topic 3: Forensics Processes | 15% | - Antiforensic techniques: debugging, geolocation, obfuscation - Data acquisition: memory, disk, network - Legal and compliance considerations - Evidence handling and chain of custody |
| Topic 4: Forensics Techniques | 20% | - MITRE ATT&CK framework for fileless malware analysis - Host-based evidence location and collection - Identifying Indicators of Compromise (IOC) from tools output - Forensic tools: Volatility, Sysinternals, SIFT, TCPdump - Script analysis (Python, PowerShell, Bash) for log processing |
| Topic 5: Malware Analysis | 15% | - Reverse engineering principles - Malware family and campaign identification - Malware classification and behavior analysis - Static and dynamic malware analysis |
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질문 # 67
Refer to the exhibit.
An engineer analyzes a suspicious email. Which two actions should be taken? (Choose two.)
정답：D,E
설명：
The STIX/CybOX indicator identifies two actionable observables: a sender address containing @site.org and a .doc file with the specified SHA-256 hash. Blocking incoming mail from the identified malicious domain contains the known delivery source, while adding the exact SHA-256 value to endpoint or antivirus controls blocks the documented malicious file. The block should later be reviewed because domain reputation and ownership can change. Option A incorrectly treats an XML schema attribute as email subject text. Option B names a nonexistent SHA128 algorithm and does not match the indicator. Blocking every document attachment is excessively broad and would disrupt legitimate business traffic. CBRFIR Incident Response Processes objective 5.5 requires analysis of threat intelligence in STIX and TAXII formats. OASIS defines STIX as a machine-readable language for exchanging indicators and other cyber-threat intelligence. OASIS STIX 2.1
질문 # 68
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.)
정답：D,E
질문 # 69
Refer to the exhibit.
What do these artifacts indicate?
정답：B
설명：
From the exhibit, the first artifact (PE32 executable fromsyracusecoffee.com) and the second artifact (HTML fromqstride.com) suggest astaged malware deliverymethod. The executable and the HTML file are linked to different domains, often indicating redirection or multi-stage infection strategies, which is common in phishing or malvertising campaigns.
The Cisco guide explains this tactic as:"One file may appear benign but can initiate downloads or connections to external resources to fetch additional payloads or redirect users". This pattern of domain redirection strongly supportsOption B.
질문 # 70 
Refer to the exhibit. A network administrator creates an Apache log parser by using Python. What needs to be added in the box where the code is missing to accomplish the requirement?
정답：B
설명：
The goal of the given Python code is to parse an Apache access log and extract IP addresses using regular expressions (regex). In this context, the most appropriate regex pattern to extract IPv4 addresses from log data is:
* r'\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}'
This pattern matches typical IPv4 addresses, where each octet consists of 1 to 3 digits separated by periods.
For example, it matches addresses like 192.168.1.1 or 10.0.0.123. The pattern uses:
* \d{1,3} to capture between 1 and 3 digits,
* \. to match the dot (escaped since . is a special character in regex),
* repeated 4 times with proper separation to form the full IPv4 structure.
Options A, B, and C either include incorrect syntax, improper escape sequences, or do not represent a valid IP address pattern.
This type of log analysis and pattern extraction is described in the Cisco CyberOps Associate curriculum under basic scripting and automation techniques used in log and artifact analysis.
Reference: CyberOps Technologies (CBRFIR) 300-215 study guide, Section: "Basic Python Scripting for Security Analysts" and "Log Analysis and Data Extraction using Regex."
질문 # 71
Refer to the exhibit.
Which two determinations should be made about the attack from the Apache access logs? (Choose two.)
정답：D,E
설명：
The Apache access logs in the exhibit show a sequence of HTTP requests and responses indicative of a malicious upload via WordPress:
A POST to:
/wp-admin/admin-ajax.php with parameters that include uploading r57.php (a known PHP web shell).
The uploaded file name appears as r57.php in:# & name=%5B%5D=r57.php & FILES...
There are plugin installation and activation attempts, specifically for:
file-manager plugin:# plugin=file-manager & ...
Which is known to be vulnerable and exploited for file uploads.
GET requests to:
/wp-content/57.php and variations such as 57.php?28 - This suggests that r57.php was successfully uploaded and is being accessed.
These logs reveal that:
D). The attacker used the WordPress file manager plugin to upload r57.php - confirmed by plugin activity and file uploads.
B). The attacker uploaded the WordPress file manager trojan - as evidenced by the direct access to /wp- content/57.php (r57 shell variant).
Other options are invalid or speculative:
A is correct in identifying r57 as a web shell, but the logs don ' t show privilege escalation.
C mentions brute force and SQL injection, which are not indicated here.
E assumes legitimate access - logs suggest exploitation, not standard login.
Reference: CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on "Analyzing HTTP and Apache Logs for Intrusion Behavior" and "Common CMS Exploits via Plugins and Upload
질문 # 72
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