ちなみに、Pass4Test 312-50v13の一部をクラウドストレージからダウンロードできます：https://drive.google.com/open?id=1bkBnSk03h1HiMFdNn9i1fLIk_S6yU_OA
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cryptography | 5% | - Public Key Infrastructure - Encryption Concepts & Algorithms - Cryptanalysis & Attacks - Cryptography in Practice |
| Topic 2: System Hacking | 8% | - Privilege Escalation - Maintaining Access - Gaining Access: Password Attacks - Clearing Tracks & Logs |
| Topic 3: Introduction to Ethical Hacking | 5% | - Ethical Hacking Methodology - Information Security Concepts - Cyber Kill Chain & MITRE ATT&CK - Legal and Ethical Compliance |
| Topic 4: Sniffing | 5% | - Sniffing Countermeasures - MITM Attacks - Sniffing Tools & Techniques - Packet Sniffing Concepts |
| Topic 5: IoT & OT Security | 4% | - IoT/OT Architecture & Risks - Attacks on IoT & OT Systems - Security Controls |
| Topic 6: Social Engineering | 6% | - Identity Theft - Social Engineering Concepts - Phishing, Pretexting, Baiting - Countermeasures & Awareness |
| Topic 7: Denial-of-Service | 4% | - Defense Mechanisms - Attack Techniques & Botnets - DDoS Tools - DoS & DDoS Concepts |
| Topic 8: Footprinting and Reconnaissance | 7% | - Reconnaissance Countermeasures - DNS, WHOIS, Network Mapping - OSINT Techniques - Reconnaissance Concepts |
| Topic 9: Enumeration | 7% | - Enumeration Countermeasures - DNS, SMTP, NFS Enumeration - Enumeration Concepts - AI-Driven Enumeration - NetBIOS, SNMP, LDAP Enumeration |
| Topic 10: Vulnerability Analysis | 8% | - Vulnerability Research & Databases - Vulnerability Assessment Lifecycle - Vulnerability Classification & Scoring - Scanning & Analysis Tools |
| Topic 11: Scanning Networks | 8% | - Service & OS Fingerprinting - Host & Port Discovery - Scanning Countermeasures - AI-Assisted Scanning - Network Scanning Basics - Scanning Beyond IDS/Firewall |
| Topic 12: Mobile Platforms | 4% | - Mobile Device Security - Mobile Attack Vectors - Android & iOS Vulnerabilities |
| Topic 13: Malware Threats | 7% | - APT & Fileless Malware - Malware Analysis & Countermeasures - Malware Types: Trojans, Viruses, Worms - AI-Powered Malware |
| Topic 14: Evading IDS, Firewalls, and Honeypots | 5% | - IDS, IPS, Firewall Technologies - Honeypot Concepts & Detection - Evasion Techniques |
| Topic 15: Wireless Networks | 5% | - Wireless Encryption: WEP, WPA2, WPA3 - Security Best Practices - Wireless Threats & Attacks - Wireless Hacking Tools |
| Topic 16: Web Server & Application Attacks | 8% | - SQL Injection & Command Injection - API Security Risks - Web Application Attacks: XSS, CSRF - Web Security Countermeasures - Web Server Vulnerabilities |
| Topic 17: Cloud Computing | 5% | - AWS, Azure, GCP Attacks - Cloud Security Best Practices - Cloud Models & Services - Cloud Security Risks |
| Topic 18: Session Hijacking | 4% | - Session Hijacking Concepts - Application & Network Level Hijacking - Countermeasures - Hijacking Techniques |
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質問 # 558
Gilbert, a web developer, uses a centralized web API to reduce complexity and increase the integrity of updating and changing data. For this purpose, he uses a web service that uses HTTP methods such as PUT, POST, GET, and DELETE and can improve the overall performance, visibility, scalability, reliability, and portability of an application. What is the type of web-service API mentioned in the above scenario?
正解：C
質問 # 559
In Atlanta, Georgia, ethical hacker James Patel is hired by Southern Retail, a major e-commerce chain, to test the security of their online shopping platform. During his penetration test, James aims to simulate a session hijacking attack by setting up a proxy to intercept HTTP traffic between customers and the platform, log the requests, and perform advanced searches on the captured data to identify session tokens. He needs a lightweight tool specifically designed for security research that can handle these tasks in a controlled environment to demonstrate vulnerabilities to the company's security team.
Which tool should James use to perform this session hijacking simulation?
正解：D
解説：
The best choice is Caido because the scenario describes a web-focused interception proxy workflow:
intercepting HTTP traffic, logging requests, and performing advanced searches to identify session tokens. In CEH-aligned web application testing methodology, session hijacking simulations commonly rely on an intercepting proxy to observe and manipulate application-layer requests and responses, extract session identifiers from cookies or headers, and demonstrate how weak session management can lead to account compromise. A lightweight security research proxy that captures traffic and supports fast filtering and searching across requests fits this exact need. Caido is designed as a modern web security toolkit centered around an interception proxy, allowing testers to capture browser-to-server traffic, inspect headers and cookies, and quickly search through recorded traffic for patterns such as session IDs, authentication cookies, bearer tokens, or predictable parameters.
The other tools are less aligned with the described requirements. Wireshark is a powerful packet analyzer, but it operates primarily at the packet level and is not optimized for web-app testing workflows such as organized request history, token-focused searching, and convenient HTTP manipulation. Bettercap is primarily a network MITM and exploitation framework; while it can intercept traffic, it is not the typical choice for controlled web proxy testing and detailed HTTP request analysis in the way described. Hetty is an HTTP toolkit, but the question's emphasis on a lightweight, security-research proxy with strong captured-data searching and request logging aligns more closely with Caido's purpose-built approach for web application assessments and session token discovery.
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質問 # 560
You perform a SYN (half-open) scan and receive a SYN/ACK packet in response. How should this result be interpreted?
正解：B
解説：
In CEH v13 Network Scanning, a SYN scan-also known as a half-open scan-is one of the most common and reliable techniques used to identify open TCP ports. This method involves sending a TCP SYN packet to a target port and analyzing the response without completing the full three-way handshake.
When a scanner sends a SYN packet:
* SYN/ACK response # The port is OPEN
* RST response # The port is CLOSED
* No response or ICMP unreachable # The port is FILTERED
In this scenario, the receipt of a SYN/ACK packet clearly indicates that the target system is willing to establish a TCP connection on that port. The scanner typically responds with a RST packet instead of an ACK to avoid completing the connection, thereby remaining stealthy.
Option B is therefore correct and aligns exactly with CEH v13 definitions.
Option A is incorrect because unreachable hosts do not respond with SYN/ACK.
Option C is incorrect because filtered ports usually do not respond or return ICMP errors.
Option D is incorrect because closed ports respond with RST, not SYN/ACK.
CEH v13 emphasizes SYN scanning as a preferred method due to its balance of accuracy and reduced logging. Understanding TCP flag behavior is fundamental for interpreting scan results correctly.
質問 # 561
You have successfully comprised a server having an IP address of 10.10.0.5. You would like to enumerate all machines in the same network quickly.
What is the best Nmap command you will use?
正解：A
解説：
https://nmap.org/book/man-port-specification.html
NOTE: In my opinion, this is an absolutely wrong statement of the question. But you may come across a question with a similar wording on the exam. What does "fast" mean? If we want to increase the speed and intensity of the scan we can select the mode using the -T flag (0/1/2/3/4/5). At high -T values, we will sacrifice stealth and gain speed, but we will not limit functionality.
- nmap -T4 -F 10.10.0.0/24
- This option is "correct" because of the -F flag.
-F (Fast (limited port) scan)
Specifies that you wish to scan fewer ports than the default. Normally Nmap scans the most common 1,000 ports for each scanned protocol. With -F, this is reduced to 100.
Technically, scanning will be faster, but just because we have reduced the number of ports by 10 times, we are just doing 10 times less work, not faster.
質問 # 562
In Miami, Florida, cybersecurity analyst Laura Bennett is responding to a series of unauthorized access attempts targeting Sunshine Credit Union's online banking platform. She observes unusual network activity that suggests attackers may be intercepting session IDs transmitted over unsecured connections to hijack active user sessions. To prevent further compromise, Laura works with the network team to apply a control that secures session-related communications throughout the entire portal, ensuring sensitive tokens are no longer exposed to interception during user interactions.
What countermeasure should Laura implement to prevent session hijacking in this scenario?
正解：B
解説：
The scenario clearly indicates session hijacking risk caused by interception of session IDs over unsecured connections. In CEH-aligned web security, when session tokens are transmitted without strong transport encryption, an attacker positioned on the same network path can sniff traffic and capture cookies or URL- based session IDs, then reuse them to impersonate the victim. The most effective control that directly addresses interception in transit across the entire portal is enforcing SSL/TLS for all session-related communications, meaning every page and request that could carry authentication state is protected by HTTPS.
This prevents passive eavesdropping and significantly reduces the feasibility of man-in-the-middle capture of session identifiers during normal user interactions.
Option A, regenerating the session ID after login, is an important defense against session fixation, but it does not stop an attacker from stealing the new session token if it is later transmitted over plaintext HTTP. Option C, cache-control directives, helps prevent sensitive pages from being stored in shared caches or browser history, but it does not protect session IDs from network sniffing. Option D, avoiding sessions for unauthenticated users, can reduce some tracking exposure, yet the core issue here is hijacking of authenticated sessions due to unencrypted transport.
Therefore, implementing SSL/TLS across the portal, typically combined with secure cookie flags and strict HTTPS enforcement, is the correct countermeasure for the described interception-based session hijacking.
質問 # 563
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