312-50v13 Exam Dumps : Certified Ethical Hacker Exam (CEHv13)

These tools are all Distributed Denial of Service (DDoS) attack tools that coordinate large numbers of systems (bots) to flood target networks or services:

Trinoo – UDP flood-based DDoS tool

TFN2k (Tribe Flood Network 2000) – Supports ICMP, SYN, and other attack types

WinTrinoo – Windows variant of Trinoo

Stacheldraht – Combines features of Trinoo and TFN with encryption and auto-updating

T-Sight – DDoS control tool

From CEH v13 Official Courseware:

Module 9: Denial-of-Service Attacks

CEH v13 Study Guide states:

“These tools are classic examples of distributed DoS platforms used by attackers to launch coordinated flood attacks using compromised hosts.”

Incorrect Options:

A: Not all tools were developed by the same group.

B: Not typically used by defenders.

D/E: These tools are cross-platform (some run on Linux, others on Windows).

A Pulse Wave attack is a type of DDoS attack that uses a botnet to send high-volume traffic pulses at regular intervals, typically lasting for a few minutes each. The attacker can adjust the frequency and duration of the pulses to maximize the impact and evade detection. A Pulse Wave attack can exhaust the network resources of the target, as well as the resources of any DDoS mitigation service that the target may use. A Pulse Wave attack can also conceal the attacker’s identity, as the traffic originates from multiple sources that are part of the botnet. A Pulse Wave attack can bypass simple defensive measures, such as IP-based blocking, as the traffic can appear legitimate and vary in source IP addresses.

The other options are less effective or feasible for the attacker’s objectives. A protocol-based SYN flood attack is a type of DDoS attack that exploits the TCP handshake process by sending a large number of SYN requests to the target server, without completing the connection. This consumes the connection state tables on the server, preventing it from accepting new connections. However, a SYN flood attack can be easily detected and mitigated by using SYN cookies or firewalls. A SYN flood attack can also expose the attacker’s identity, as the source IP addresses of the SYN requests can be traced back to the attacker. An ICMP flood attack is a type of DDoS attack that sends a large number of ICMP packets, such as ping requests, to the target server, overwhelming its ICMP processing capacity. However, an ICMP flood attack from a single IP can be easily blocked by using IP-based filtering or disabling ICMP responses. An ICMP flood attack can also reveal the attacker’s identity, as the source IP address of the ICMP packets can be identified. A volumetric flood attack is a type of DDoS attack that sends a large amount of traffic to the target server, saturating its network bandwidth and preventing legitimate users from accessing it. However, a volumetric flood attack using a single compromised machine may not be sufficient to overwhelm the network bandwidth of a major online retailer, as the attacker’s machine may have limited bandwidth itself. A volumetric flood attack can also be detected and mitigated by using traffic shaping or rate limiting techniques. References:

Pulse Wave DDoS Attacks: What You Need to Know

DDoS Attack Prevention: 7 Effective Mitigation Strategies

DDoS Attack Types: Glossary of Terms

DDoS Attacks: What They Are and How to Protect Yourself

DDoS Attack Prevention: How to Protect Your Website

User-directed spidering is a technique that allows the hacker to manually browse the target website and use a proxy or spider tool to capture and analyze the traffic. This way, the hacker can discover hidden or dynamic content that standard web spiders may miss due to a specific file in the root directory, such as robots.txt, that instructs them not to crawl certain pages or directories. User-directed spidering can also help the hacker to bypass authentication or authorization mechanisms, as well as identify vulnerabilities or sensitive information in the target website. User-directed spidering can be performed with tools like Burp Suite and WebScarab, which are web application security testing tools that can intercept, modify, and replay HTTP requests and responses, as well as perform various attacks and scans on the target website.

The other options are not likely to achieve the same results as user-directed spidering. Using Photon to retrieve archived URLs of the target website from archive.org may provide some historical information about the website, but it may not reflect the current state or content of the website. Using the Netcraft tool to gather website information may provide some general information about the website, such as its IP address, domain name, server software, or hosting provider, but it may not reveal the specific files or web pages on the website. Examining HTML source code and cookies may provide some clues about the website’s structure, functionality, or user preferences, but it may not expose the hidden or dynamic content that user-directed spidering can discover. References:

User Directed Spidering with Burp

Web Spidering - What Are Web Crawlers & How to Control Them

Web Security: Recon

Mapping the Application for Penetrating Web Applications — 1