P.S. NewDumps在Google Drive上分享了免費的2026 ECCouncil 312-50v13考試題庫：https://drive.google.com/open?id=1i-q_B4YnokGMKT2cWRlCDtpn6DArg1To
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: System Hacking | 8% | - Clearing Tracks & Logs - Gaining Access: Password Attacks - Privilege Escalation - Maintaining Access |
| Topic 2: IoT & OT Security | 4% | - Security Controls - IoT/OT Architecture & Risks - Attacks on IoT & OT Systems |
| Topic 3: Footprinting and Reconnaissance | 7% | - Reconnaissance Concepts - Reconnaissance Countermeasures - OSINT Techniques - DNS, WHOIS, Network Mapping |
| Topic 4: Web Server & Application Attacks | 8% | - Web Security Countermeasures - Web Server Vulnerabilities - Web Application Attacks: XSS, CSRF - API Security Risks - SQL Injection & Command Injection |
| Topic 5: Social Engineering | 6% | - Countermeasures & Awareness - Identity Theft - Phishing, Pretexting, Baiting - Social Engineering Concepts |
| Topic 6: Wireless Networks | 5% | - Wireless Threats & Attacks - Wireless Hacking Tools - Wireless Encryption: WEP, WPA2, WPA3 - Security Best Practices |
| Topic 7: Enumeration | 7% | - Enumeration Concepts - AI-Driven Enumeration - DNS, SMTP, NFS Enumeration - Enumeration Countermeasures - NetBIOS, SNMP, LDAP Enumeration |
| Topic 8: Denial-of-Service | 4% | - Attack Techniques & Botnets - Defense Mechanisms - DoS & DDoS Concepts - DDoS Tools |
| Topic 9: Evading IDS, Firewalls, and Honeypots | 5% | - Evasion Techniques - IDS, IPS, Firewall Technologies - Honeypot Concepts & Detection |
| Topic 10: Mobile Platforms | 4% | - Mobile Device Security - Mobile Attack Vectors - Android & iOS Vulnerabilities |
| Topic 11: Introduction to Ethical Hacking | 5% | - Legal and Ethical Compliance - Ethical Hacking Methodology - Information Security Concepts - Cyber Kill Chain & MITRE ATT&CK |
| Topic 12: Sniffing | 5% | - Sniffing Tools & Techniques - Packet Sniffing Concepts - MITM Attacks - Sniffing Countermeasures |
| Topic 13: Vulnerability Analysis | 8% | - Vulnerability Research & Databases - Vulnerability Classification & Scoring - Scanning & Analysis Tools - Vulnerability Assessment Lifecycle |
| Topic 14: Cryptography | 5% | - Encryption Concepts & Algorithms - Cryptography in Practice - Cryptanalysis & Attacks - Public Key Infrastructure |
| Topic 15: Scanning Networks | 8% | - Scanning Beyond IDS/Firewall - Service & OS Fingerprinting - Host & Port Discovery - Scanning Countermeasures - AI-Assisted Scanning - Network Scanning Basics |
| Topic 16: Cloud Computing | 5% | - Cloud Models & Services - Cloud Security Risks - Cloud Security Best Practices - AWS, Azure, GCP Attacks |
| Topic 17: Session Hijacking | 4% | - Countermeasures - Application & Network Level Hijacking - Session Hijacking Concepts - Hijacking Techniques |
| Topic 18: Malware Threats | 7% | - Malware Types: Trojans, Viruses, Worms - AI-Powered Malware - APT & Fileless Malware - Malware Analysis & Countermeasures |
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問題 #351
An attacker decided to crack the passwords used by industrial control systems. In this process, he employed a loop strategy to recover these passwords. He used one character at a time to check whether the first character entered is correct; if so, he continued the loop for consecutive characters. If not, he terminated the loop. Furthermore, the attacker checked how much time the device took to finish one complete password authentication process, through which he deduced how many characters entered are correct. What is the attack technique employed by the attacker to crack the passwords of the industrial control systems?
答案：A
問題 #352
As an IT Security Analyst, you've been asked to review the security measures of an e-commerce website that relies on a SQL database for storing sensitive customer data. Recently, an anonymous tip has alerted you to a possible threat: a seasoned hacker who specializes in SQL Injection attacks may be targeting your system. The site already employs input validation measures to prevent basic injection attacks, and it blocks any user inputs containing suspicious patterns. However, this hacker is known to use advanced SQL Injection techniques. Given this situation, which of the following strategies would the hacker most likely adopt to bypass your security measures?
答案：C
問題 #353
An Internet Service Provider (ISP) has a need to authenticate users connecting via analog modems, Digital Subscriber Lines (DSL), wireless data services, and Virtual Private Networks (VPN) over a Frame Relay network.
Which AAA protocol is the most likely able to handle this requirement?
答案：A
解題說明：
https://en.wikipedia.org/wiki/RADIUS
Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) management for users who connect and use a network service.
RADIUS is a client/server protocol that runs in the application layer, and can use either TCP or UDP.
Network access servers, which control access to a network, usually contain a RADIUS client component that communicates with the RADIUS server. RADIUS is often the back-end of choice for 802.1X authentication.
A RADIUS server is usually a background process running on UNIX or Microsoft Windows.
Authentication and authorization
The user or machine sends a request to a Network Access Server (NAS) to gain access to a particular network resource using access credentials. The credentials are passed to the NAS device via the link-layer protocol- for example, Point-to-Point Protocol (PPP) in the case of many dialup or DSL providers or posted in an HTTPS secure web form.
In turn, the NAS sends a RADIUS Access Request message to the RADIUS server, requesting authorization to grant access via the RADIUS protocol.
This request includes access credentials, typically in the form of username and password or security certificate provided by the user. Additionally, the request may contain other information which the NAS knows about the user, such as its network address or phone number, and information regarding the user's physical point of attachment to the NAS.
The RADIUS server checks that the information is correct using authentication schemes such as PAP, CHAP or EAP. The user's proof of identification is verified, along with, optionally, other information related to the request, such as the user's network address or phone number, account status, and specific network service access privileges. Historically, RADIUS servers checked the user's information against a locally stored flat- file database. Modern RADIUS servers can do this or can refer to external sources-commonly SQL, Kerberos, LDAP, or Active Directory servers-to verify the user's credentials.
The RADIUS server then returns one of three responses to the NAS:
1) Access-Reject,
2) Access-Challenge,
3) Access-Accept.
Access-Reject
The user is unconditionally denied access to all requested network resources. Reasons may include failure to provide proof of identification or an unknown or inactive user account.
Access-Challenge
Requests additional information from the user such as a secondary password, PIN, token, or card. Access- Challenge is also used in more complex authentication dialogs where a secure tunnel is established between the user machine and the Radius Server in a way that the access credentials are hidden from the NAS.
Access-Accept
The user is granted access. Once the user is authenticated, the RADIUS server will often check that the user is authorized to use the network service requested. A given user may be allowed to use a company's wireless network, but not its VPN service, for example. Again, this information may be stored locally on the RADIUS server or may be looked up in an external source such as LDAP or Active Directory.
問題 #354
Mason, a professional hacker, targets an organization and spreads Emotet malware through malicious script.
After infecting the victim's device. Mason further used Emotet to spread the infection across local networks and beyond to compromise as many machines as possible. In this process, he used a tool, which is a self- extracting RAR file, to retrieve information related to network resources such as writable share drives. What is the tool employed by Mason in the above scenario?
答案：A
解題說明：
https://us-cert.cisa.gov/ncas/alerts/TA18-201A
Currently, Emotet uses five known spreader modules: NetPass.exe, WebBrowserPassView, Mail PassView, Outlook scraper, and a credential enumerator. Credential enumerator is a self-extracting RAR file containing two components: a bypass component and a service component. The bypass component is used for the enumeration of network resources and either finds writable share drives using Server Message Block (SMB) or tries to brute force user accounts, including the administrator account. Once an available system is found, Emotet writes the service component on the system, which writes Emotet onto the disk. Emotet's access to SMB can result in the infection of entire domains (servers and clients).
問題 #355
When conducting a penetration test, it is crucial to use all means to get all available information about the target network. One of the ways to do that is by sniffing the network. Which of the following cannot be performed by passive network sniffing?
答案：D
解題說明：
Passive sniffing refers to listening to or capturing network traffic without sending any packets or altering the communication stream. The attacker's system operates in "promiscuous mode" to monitor all traffic flowing through the network segment. This technique is mostly used in environments like hub-based or unencrypted Wi-Fi networks, where traffic is visible to all systems.
According to the CEH v13 Official Courseware, Module 08: Sniffing, under the subsection "Passive Sniffing", the following capabilities are associated with passive sniffing:
Capturing unencrypted credentials (usernames and passwords)
Identifying protocols, services, IP addresses, and hostnames
Monitoring HTTP sessions, cookies, and other clear-text traffic
Gathering detailed information for fingerprinting and enumeration
Exporting traffic to PCAPs for forensic and offline analysis
However, passive sniffing does not involve any active interference with the traffic. Therefore, actions like
"modifying and replaying" packets require an attacker to craft and inject packets into the network - this is considered active sniffing or traffic manipulation, which is out of scope for passive techniques.
Thus:
Option A: Valid for passive sniffing (host discovery via captured traffic) Option B: Invalid for passive sniffing (requires active traffic manipulation) Option C: Valid (if data is unencrypted) Option D: Valid (captures traffic for offline review) Reference - CEH v13 Official Courseware:
Module 08: Sniffing
Section: "Passive Sniffing vs Active Sniffing"
Study Guide Pages: Usually found under "Types of Sniffing Techniques"
CEH iLabs/Engage Scenarios: Packet capture and Wireshark lab modules
問題 #356
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2026 NewDumps最新的312-50v13 PDF版考試題庫和312-50v13考試問題和答案免費分享：https://drive.google.com/open?id=1i-q_B4YnokGMKT2cWRlCDtpn6DArg1To