最真實的300-215認證考試考古題

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Cisco 300-215 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Forensics Processes	15%	- Legal and compliance considerations - Antiforensic techniques: debugging, geolocation, obfuscation - Data acquisition: memory, disk, network - Evidence handling and chain of custody
Topic 2: Incident Response Techniques	30%	- Response to zero-day exploits and vulnerabilities - Correlating host and network activity data - Threat intelligence interpretation: IOCs, IOAs, actor profiling - Post-incident analysis and improvement actions - Interpreting alerts from SIEM, IDS/IPS, syslog - Cisco security solutions for detection and prevention - Attack vector analysis and mitigation recommendations
Topic 3: Malware Analysis	15%	- Malware family and campaign identification - Reverse engineering principles - Static and dynamic malware analysis - Malware classification and behavior analysis
Topic 4: Fundamentals	20%	- Antiforensic tactics, techniques, and procedures - Encoding and obfuscation techniques - Network infrastructure device forensics - Root cause analysis reporting components - YARA rules for malware identification and classification - Evidence collection in virtualized environments
Topic 5: Forensics Techniques	20%	- Host-based evidence location and collection - MITRE ATT&CK framework for fileless malware analysis - Forensic tools: Volatility, Sysinternals, SIFT, TCPdump - Script analysis (Python, PowerShell, Bash) for log processing - Identifying Indicators of Compromise (IOC) from tools output

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最新的 CyberOps Professional 300-215 免費考試真題 (Q59-Q64):

問題 #59
Refer to the exhibit.

What is occurring?

A. The threat actor creates persistence by creating a repeatable task.
B. RDP is used to move laterally to systems within the victim environment.
C. Obfuscated scripts are getting executed on the victim machine.
D. Malware is modifying the registry keys.

答案：A

解題說明：
The command in the image usesschtasks /createwith theONLOGONschedule andSystemuser context to executetest.exe. This is a well-documented persistence technique, where an attacker ensures that a malicious executable is launched automatically at each system logon. This kind of scheduled task creation aligns with persistence techniques in the MITRE ATT&CK framework (T1053).
-

問題 #60
Drag and drop the cloud characteristic from the left onto the challenges presented for gathering evidence on the right.

答案：

解題說明：

問題 #61

Refer to the exhibit. What should an engineer determine from this Wireshark capture of suspicious network traffic?

A. There are signs of ARP spoofing, and the engineer should use Static ARP entries and IP address-to- MAC address mappings as a countermeasure.
B. There are signs of a DNS attack, and the engineer should hide the BIND version and restrict zone transfers as a countermeasure.
C. There are signs of a malformed packet attack, and the engineer should limit the packet size and set a threshold of bytes as a countermeasure.
D. There are signs of SYN flood attack, and the engineer should increase the backlog and recycle the oldest half-open TCP connections.

答案：D

問題 #62
Refer to the exhibit.

An engineer is analyzing a .LNK (shortcut) file recently received as an email attachment and blocked by email security as suspicious. What is the next step an engineer should take?

A. Open the file in a sandbox environment for further behavioral analysis as the file contains a malicious script that runs on execution.
B. Delete the suspicious email with the attachment as the file is a shortcut extension and does not represent any threat.
C. Quarantine the file within the endpoint antivirus solution as the file is a ransomware which will encrypt the documents of a victim.
D. Upload the file to a virus checking engine to compare with well-known viruses as the file is a virus disguised as a legitimate extension.

答案：A

解題說明：
The metadata in the exhibit reveals a strong indicator that this .LNK file (shortcut) is malicious:
* The shortcut file is named "ds7002.pdf" but actually points to the execution of PowerShell:# Full path:
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
* Arguments include:# -noni -ep bypass $z = '...'; indicating an attempt to run a PowerShell script with execution policy bypassed (a known tactic for fileless malware delivery).
* The file is masked as a PDF (common social engineering technique), and PowerShell execution via .
LNK is a signature technique used by many malware families to initiate second-stage payloads or scripts.
Given this, the correct and safest course of action is to:
# Open the .LNK file in a sandbox environment (D).
This enables safe behavioral analysis to observe what actions it attempts upon execution without endangering live systems.
Other options are inappropriate:
* A (ignoring the threat due to extension) is dangerous - .LNKs can trigger code.
* B (upload to virus engine) is only helpful for known malware and lacks behavioral context.
* C (quarantine) is preventive but not investigative - sandboxing provides visibility.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on "Threat Hunting and Malware Analysis," section covering shortcut (.LNK) based attacks, PowerShell-based threats, and sandbox behavioral analysis strategies.

問題 #63

Refer to the exhibit. A network engineer is analyzing a Wireshark file to determine the HTTP request that caused the initial Ursnif banking Trojan binary to download. Which filter did the engineer apply to sort the Wireshark traffic logs?

A. tls.handshake.type ==1
B. http.request.un matches
C. tcp.port eq 25
D. tcp.window_size ==0

答案：A

解題說明：
Explanation/Reference:
https://www.malware-traffic-analysis.net/2018/11/08/index.html
https://unit42.paloaltonetworks.com/wireshark-tutorial-examining-ursnif-infections/

問題 #64
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