312-50v13試験の準備方法｜最新の312-50v13試験試験｜認定するCertified Ethical Hacker Exam (CEH v13 AI)的中問題集

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ECCouncil 312-50v13 Exam Syllabus Topics:

Section	Weight	Objectives
Information Security and Ethical Hacking Overview	6%	- Information Security Overview 1. Understanding Information Security Laws and Standards 2. Proactive Cyber Defense 3. Understanding Information Security Controls 4. Information Security Threats and Attack Vectors 5. Understanding Information Security - Ethical Hacking Overview 1. Governance and Compliance 2. Need for Ethical Hackers 3. Security Testing Methodologies 4. What is Ethical Hacking? 5. Skills and Mindset of an Ethical Hacker
Cryptography and Post-Exploitation	13%	- Post-Exploitation Techniques 1. Advanced Persistent Threat (APT) 2. Lateral Movement and Tunneling 3. Covering Tracks and Maintaining Access 4. Post-Exploitation Concepts 5. Reporting and Documentation - Cryptography Concepts 1. Code Signing and Email Encryption 2. Encryption Fundamentals 3. Encryption Algorithms (Symmetric and Asymmetric) 4. Cryptography Tools 5. Public Key Infrastructure (PKI) 6. Cryptography Countermeasures 7. Hashing and Digital Signatures 8. Disk Encryption and Cryptanalysis
Sniffing and Evasion	10%	- Network Sniffing 1. Sniffing Concepts 2. STP Attacks and DNS Poisoning 3. MAC Flooding and Switch Port Stealing 4. Sniffing Detection and Countermeasures 5. Sniffing Tools 6. ARP Spoofing 7. VLAN Hopping and DHCP Starvation - Social Engineering 1. Social Engineering Concepts 2. Social Engineering Tools and Countermeasures 3. Social Engineering Techniques 4. Insider Threats and Identity Theft - Network Evasion 1. Firewalls and Intrusion Detection/Prevention Systems 2. Denial of Service Attacks 3. Evasion Techniques 4. IDS/Firewall Evasion Tools
Wireless Network Attacks	9%	- Wireless Network Concepts 1. Wireless Terminology and Standards 2. Wireless Encryption and Security 3. Wireless Network Topology and Threats - Wireless Hacking Methodology 1. Bluetooth and RFID Attacks 2. Wireless Network Countermeasures 3. Wireless Network Hacking Tools 4. Wireless Sniffing and Wardriving 5. Cracking WPA/WPA2 and WEP Encryption
Enumeration	15%	- Enumeration Concepts 1. Enumeration Fundamentals 2. Enumeration Techniques - Enumeration Process 1. Mail Server Enumeration 2. NTP Enumeration 3. SNMP Enumeration 4. RPC and NFS Enumeration 5. NetBIOS Enumeration 6. LDAP Enumeration 7. SMB and SAMBA Enumeration 8. Enumeration Countermeasures 9. VoIP Enumeration
Vulnerability Analysis	7%	- Vulnerability Assessment Concepts 1. Vulnerability Assessment Tools and Software 2. Vulnerability Scoring Systems 3. Vulnerability Assessment Solutions
Cloud and Container Attacks	10%	- Cloud Computing Concepts 1. Container Technology 2. Cloud Architecture and Deployment Models 3. Cloud Service Models (IaaS, PaaS, SaaS) 4. Serverless Architecture - Cloud Attacks and Security 1. Container Security Tools and Countermeasures 2. Cloud Security Tools and Best Practices 3. Cloud Penetration Testing 4. Cloud Security Threats and Attacks
Reconnaissance Techniques	21%	- Scanning Networks 1. Scanning Tools 2. Port Scanning Techniques 3. Proxy Servers and Anonymizers 4. Masscan 5. Scanning Countermeasures 6. NIDS, NIPS, and Firewall Evasion Techniques 7. Drawing Network Diagrams 8. Network Scanning Concepts 9. Nmap and Zenmap 10. Banner Grabbing 11. Scan for Vulnerabilities 12. Hping2 and Hping3 13. Detecting Live Systems - Footprinting and Reconnaissance 1. Footprinting Tools 2. Competitive Intelligence Gathering 3. AWS Cloud Footprinting 4. Website Footprinting 5. Footprinting through Search Engines 6. Footprinting through Social Networking Sites 7. Network Footprinting 8. DNS Footprinting 9. Footprinting through Web Services 10. Footprinting Countermeasures 11. Email Footprinting
System Hacking	17%	- System Hacking Methodologies 1. Gaining Access 2. Cracking Passwords 3. Hiding Files 4. Executing Applications 5. Escalating Privileges 6. Covering Tracks - System Hacking Tools and Countermeasures 1. Rootkits 2. Password Recovery Tools 3. Keyloggers and Spyware 4. Ports and Log Files 5. Steganography 6. Covering Tracks Countermeasures
Malware Threats	8%	- Malware and Its Types 1. Types of Malware 2. APT Concepts 3. Malware Fundamentals 4. APT and Futuristic Malware - Malware Analysis and Distribution 1. Malware Analysis Techniques 2. Malware Detection Methods 3. Malware Countermeasures
Web Application Attacks	19%	- Web Application Concepts and Attacks 1. OWASP Top 10 Vulnerabilities 2. Web Application Architecture 3. Injection Attacks 4. Web Application Scanning and Testing Tools 5. Web Application Countermeasures 6. Authentication and Session Management Attacks 7. Web Application Password Cracking and Clickjacking 8. Cross-Site Scripting (XSS) and Request Forgery - Hacking Web Servers and Web Applications 1. Web Server Attack Methodology 2. Web Server and Web Application Countermeasures 3. Web Server Attacks
Mobile Platform and IoT Attacks	7%	- IoT and OT Attacks 1. IoT Hacking Methodology 2. OT Concepts and Attacks 3. IoT Attack Tools and Countermeasures 4. IoT Concepts and Architecture 5. IoT Vulnerabilities and Threats - Mobile Platform Attack Vectors 1. Mobile Malware and Mobile Spyware 2. Mobile Attack Techniques 3. Mobile Attack Surfaces and Vulnerabilities 4. Mobile Device Management (MDM) 5. Mobile Platform Overview 6. Mobile Security Tools and Countermeasures

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ECCouncil Certified Ethical Hacker Exam (CEH v13 AI) 認定 312-50v13 試験問題 (Q588-Q593):

質問 # 588
During an internal assessment, a penetration tester gains access to a hash dump containing NTLM password hashes from a compromised Windows system. To crack the passwords efficiently, the tester uses a high-performance CPU setup with the hashcat tool, configuring it to attempt millions of password combinations per second using a known hash algorithm. This setup drastically reduces the time required for password recovery compared to CPU-based cracking methods. Which technique is being optimized in this scenario?

A. Leverage hardware acceleration for cracking speed
B. Dump SAM contents for offline password retrieval
C. Spoof NetBIOS to impersonate a file server
D. Exploit dictionary rules with appended symbols

正解：A

解説：
The tester is optimizing password cracking by leveraging hardware acceleration, allowing hashcat to process millions of hash computations per second and significantly reduce the time required to recover NTLM passwords compared to standard CPU-only methods.

質問 # 589
You are the chief cybersecurity officer at CloudSecure Inc., and your team is responsible for securing a cloudbased application that handles sensitive customer data. To ensure that the data is protected from breaches, you have decided to implement encryption for both data-at-rest and data-in-transit. The development team suggests using SSL/TLS for securing data in transit. However, you want to also implement a mechanism to detect if the data was tampered with during transmission. Which of the following should you propose?

A. Encrypt data using the AES algorithm before transmission.
B. Qswitch to using SSH for data transmission.
C. Use the cloud service provider's built-in encryption services.
D. Implement IPsec in addition to SSL/TLS.

正解：D

解説：
SSL/TLS is a protocol that provides encryption and authentication for data in transit between a client and a server. However, SSL/TLS does not provide any protection against data tampering, which is the alteration, deletion, or insertion of data without authorization or proper validation. Data tampering can compromise the integrity and accuracy of the data, and potentially lead to breaches or fraud. To detect and prevent data tampering, you should implement IPsec in addition to SSL/TLS. IPsec is a protocol that provides encryption, authentication, and integrity for data in transit at the network layer. IPsec uses cryptographic mechanisms, such as digital signatures and hash-based message authentication codes (HMACs), to verify the identity of the sender and the receiver, and to ensure that the data has not been modified during transmission. IPsec can also provide replay protection, which prevents an attacker from retransmitting old or duplicate packets. By combining SSL/TLS and IPsec, you can achieve a higher level of security and reliability for your cloud-based application. References:
* EC-Council CEHv12 Courseware Module 18: Cryptography, page 18-20
* EC-Council CEHv12 Courseware Module 19: Cloud Computing, page 19-29
* A comprehensive guide to data tampering
* Tamper Detection

質問 # 590
An attacker examines differences in ciphertext outputs resulting from small changes in the input to deduce key patterns in a symmetric algorithm. What method is being employed?

A. Brute-force attack to try every possible key
B. Differential cryptanalysis on input-output differences
C. Chosen-ciphertext attack to decrypt arbitrary ciphertexts
D. Timing attack to infer key bits based on processing time

正解：B

解説：
Differential cryptanalysis analyzes how small, controlled changes in plaintext affect the resulting ciphertext, allowing attackers to identify patterns and infer information about the secret key used in a symmetric encryption algorithm.

質問 # 591
A penetration tester finds that a web application does not properly validate user input and is vulnerable to reflected Cross-Site Scripting (XSS). What is the most appropriate approach to exploit this vulnerability?

A. Embed a malicious script in a URL and tricked a user into clicking the link
B. Inject a SQL query into the search form to attempt SQL injection
C. Perform a brute-force attack on the user login form to steal credentials
D. Use directory traversal to access sensitive files on the server

正解：A

解説：
Reflected XSS is exploited by embedding a malicious script into a URL parameter and convincing a user to click the link. When the application reflects the unsanitized input in the response, the script executes in the victim's browser within the trusted context of the site.

質問 # 592
You have recently joined as a cybersecurity analyst at a multinational corporation. Your role includes regular vulnerability assessments of the company's wide-ranging IT infrastructure.
During one of these assessments, you employ the Nessus scanner. The scanner flags a severe vulnerability marked as CVE-2023-12456. This vulnerability specifically targets the SSH (Secure Shell) service running on one of the company's Linux servers. With a CVSS (Common Vulnerability Scoring System) score of 9.0, the vulnerability poses a substantial risk. Most concerning is its ability to allow potential remote code execution. Given the high-risk nature of the vulnerability, as depicted by the CVSS score, and its potential impact, what course of action should be immediately prioritized from the following choices?

A. Temporarily isolate the affected server from the broader network, perform an in-depth system audit, and then apply patches as required based on the findings.
B. Without delay, apply the patch recommended by the vendor. Subsequently, initiate a system-wide reboot during the next downtime scheduled for system maintenance.
C. Establish a backup SSH service on an unaffected server and reroute all SSH traffic to this server until the vulnerability on the original server is completely resolved.
D. Commence a manual inspection of the discovered SSH service vulnerability. If it cannot be verified, mark it as a false positive and move on to the next task.

正解：B

解説：
A critical CVSS 9.0 vulnerability allowing remote code execution requires immediate remediation.
Applying the vendor-recommended patch as soon as possible directly eliminates the exploit vector, which is the highest priority action to reduce risk, with the reboot completed during the next available maintenance window to finalize the fix.

質問 # 593
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