Free May-2024 UPDATED EC-COUNCIL 312-50v11 Exam Questions & Answer
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NEW QUESTION # 75
Morris, a professional hacker, performed a vulnerability scan on a target organization by sniffing the traffic on the network lo identify the active systems, network services, applications, and vulnerabilities. He also obtained the list of the users who are currently accessing the network. What is the type of vulnerability assessment that Morris performed on the target organization?
- A. Passive assessment
- B. External assessment
- C. internal assessment
- D. Credentialed assessment
Answer: D
Explanation:
Explanation
Detached weakness evaluation adopts an interesting strategy: In checking network traffic, it endeavors to order a hub's working framework, ports and benefits, and to find weaknesses a functioning scan like Nessus or Qualys probably won't discover on the grounds that ports are hindered or another host has come on the web.
The information may then give setting to security occasions, for example, relating with IDS alarms to lessen bogus positives.
Uninvolved investigation offers two key points of interest. The first is perceivability. There's regularly a wide hole between the thing you believe is running on your organization and what really is. Both organization and host scan report just what they see. Scan are obstructed by organization and host firewalls. In any event, when a host is live, the data accumulated is here and there restricted to flag checks and some noninvasive setup checks. In the event that your scan has the host certifications, it can question for more data, however bogus positives are an immense issue, you actually may not see everything. Further, rootkits that introduce themselves may run on a nonscanned port or, on account of UDP, may not react to an irregular test. On the off chance that a functioning weakness appraisal scan doesn't see it, it doesn't exist to the scan.
Host firewalls are regular even on worker PCs, so how would you identify a rebel worker or PC with a functioning output? An inactive sensor may see mavericks on the off chance that they're visiting on the organization; that is perceivability a scanner won't give you. A detached sensor likewise will recognize action to and from a port that isn't generally filtered, and may identify nonstandard port utilization, given the sensor can interpret and order the traffic. For instance, basic stream examination won't distinguish SSH or telnet on Port 80, however convention investigation may.
The subsequent significant favorable position of inactive investigation is that it's noninvasive- - it doesn't intrude on organization tasks. Dynamic weakness evaluation scanners are obtrusive and can disturb administrations, regardless of their designers' endeavors to limit the potential for blackouts. In any event, utilizing alleged safe sweeps, we've taken out switches, our NTP administration and a large group of other basic framework segments. Quite a long while prior, we even bobbed our center switch twice with a nmap port output.
NEW QUESTION # 76
Bob, a network administrator at BigUniversity, realized that some students are connecting their notebooks in the wired network to have Internet access. In the university campus, there are many Ethernet ports available for professors and authorized visitors but not for students.
He identified this when the IDS alerted for malware activities in the network.
What should Bob do to avoid this problem?
- A. Ask students to use the wireless network
- B. Disable unused ports in the switches
- C. Use the 802.1x protocol
- D. Separate students in a different VLAN
Answer: C
NEW QUESTION # 77
You are a penetration tester working to test the user awareness of the employees of the client xyz. You harvested two employees' emails from some public sources and are creating a client-side backdoor to send it to the employees via email. Which stage of the cyber kill chain are you at?
- A. Command and control
- B. Exploitation
- C. Reconnaissance
- D. Weaponization
Answer: D
Explanation:
Explanation
Weaponization
The adversary analyzes the data collected in the previous stage to identify the vulnerabilities and techniques that can exploit and gain unauthorized access to the target organization. Based on the vulnerabilities identified during analysis, the adversary selects or creates a tailored deliverable malicious payload (remote-access malware weapon) using an exploit and a backdoor to send it to the victim. An adversary may target specific network devices, operating systems, endpoint devices, or even individuals within the organization to carry out their attack. For example, the adversary may send a phishing email to an employee of the target organization, which may include a malicious attachment such as a virus or worm that, when downloaded, installs a backdoor on the system that allows remote access to the adversary. The following are the activities of the adversary: o Identifying appropriate malware payload based on the analysis o Creating a new malware payload or selecting, reusing, modifying the available malware payloads based on the identified vulnerability o Creating a phishing email campaign o Leveraging exploit kits and botnets
NEW QUESTION # 78
You start performing a penetration test against a specific website and have decided to start from grabbing all the links from the main page.
What Is the best Linux pipe to achieve your milestone?
- A. wgethttps://site.com | cut-d"http-
- B. wget https://stte.com | grep "< a href=\*http" | grep "site.com"
- C. curl -s https://sile.com | grep ''< a href-\'http" | grep "Site-com- | cut -d "V" -f 2
- D. dirb https://site.com | grep "site"
Answer: B
NEW QUESTION # 79
Samuel a security administrator, is assessing the configuration of a web server. He noticed that the server permits SSlv2 connections, and the same private key certificate is used on a different server that allows SSLv2 connections. This vulnerability makes the web server vulnerable to attacks as the SSLv2 server can leak key information.
Which of the following attacks can be performed by exploiting the above vulnerability?
- A. Padding oracle attack
- B. DUHK attack
- C. Side-channel attack
- D. DROWN attack
Answer: D
Explanation:
DROWN is a serious vulnerability that affects HTTPS and other services that deem SSL and TLS, some of the essential cryptographic protocols for net security. These protocols allow everyone on the net to browse the net, use email, look on-line, and send instant messages while not third-parties being able to browse the communication.
DROWN allows attackers to break the encryption and read or steal sensitive communications, as well as passwords, credit card numbers, trade secrets, or financial data. At the time of public disclosure on March 2016, our measurements indicated thirty third of all HTTPS servers were vulnerable to the attack. fortuitously, the vulnerability is much less prevalent currently. As of 2019, SSL Labs estimates that one.2% of HTTPS servers are vulnerable.
What will the attackers gain?
Any communication between users and the server. This typically includes, however isn't limited to, usernames and passwords, credit card numbers, emails, instant messages, and sensitive documents. under some common scenarios, an attacker can also impersonate a secure web site and intercept or change the content the user sees.
Who is vulnerable?
Websites, mail servers, and other TLS-dependent services are in danger for the DROWN attack. At the time of public disclosure, many popular sites were affected. we used Internet-wide scanning to live how many sites are vulnerable:
Operators of vulnerable servers got to take action. there's nothing practical that browsers or end-users will do on their own to protect against this attack.
Is my site vulnerable?
Modern servers and shoppers use the TLS encryption protocol. However, because of misconfigurations, several servers also still support SSLv2, a 1990s-era precursor to TLS. This support did not matter in practice, since no up-to-date clients really use SSLv2. Therefore, despite the fact that SSLv2 is thought to be badly insecure, until now, simply supporting SSLv2 wasn't thought of a security problem, is a clients never used it.
DROWN shows that merely supporting SSLv2 may be a threat to fashionable servers and clients. It modern associate degree attacker to modern fashionable TLS connections between up-to-date clients and servers by sending probes to a server that supports SSLv2 and uses the same private key.
A server is vulnerable to DROWN if:
It allows SSLv2 connections. This is surprisingly common, due to misconfiguration and inappropriate default settings.
Its private key is used on any other serverthat allows SSLv2 connections, even for another protocol. Many companies reuse the same certificate and key on their web and email servers, for instance. In this case, if the email server supports SSLv2 and the web server does not, an attacker can take advantage of the email server to break TLS connections to the web server.
How do I protect my server?
To protect against DROWN, server operators need to ensure that their private keys software used anyplace with server computer code that enables SSLv2 connections. This includes net servers, SMTP servers, IMAP and POP servers, and the other software that supports SSL/TLS.
Disabling SSLv2 is difficult and depends on the particular server software. we offer instructions here for many common products:
OpenSSL: OpenSSL may be a science library employed in several server merchandise. For users of OpenSSL, the simplest and recommended solution is to upgrade to a recent OpenSSL version. OpenSSL 1.0.2 users ought to upgrade to 1.0.2g. OpenSSL 1.0.1 users ought to upgrade to one.0.1s. Users of older OpenSSL versions ought to upgrade to either one in every of these versions. (Updated March thirteenth, 16:00 UTC) Microsoft IIS (Windows Server): Support for SSLv2 on the server aspect is enabled by default only on the OS versions that correspond to IIS 7.0 and IIS seven.5, particularly Windows scene, Windows Server 2008, Windows seven and Windows Server 2008R2. This support is disabled within the appropriate SSLv2 subkey for 'Server', as outlined in KB245030. albeit users haven't taken the steps to disable SSLv2, the export-grade and 56-bit ciphers that build DROWN possible don't seem to be supported by default.
Network Security Services (NSS): NSS may be a common science library designed into several server merchandise. NSS versions three.13 (released back in 2012) and higher than ought to have SSLv2 disabled by default. (A little variety of users might have enabled SSLv2 manually and can got to take steps to disable it.) Users of older versions ought to upgrade to a more moderen version. we tend to still advocate checking whether or not your non-public secret is exposed elsewhere Other affected software and in operation systems:
Instructions and data for: Apache, Postfix, Nginx, Debian, Red Hat
Browsers and other consumers: practical nothing practical that net browsers or different client computer code will do to stop DROWN. only server operators ar ready to take action to guard against the attack.
NEW QUESTION # 80
You are a penetration tester working to test the user awareness of the employees of the client XYZ. You harvested two employees' emails from some public sources and are creating a client-side backdoor to send it to the employees via email.
Which stage of the cyber kill chain are you at?
- A. Command and control
- B. Weaponization
- C. Reconnaissance
- D. Exploitation
Answer: D
NEW QUESTION # 81
Ethical hacker jane Smith is attempting to perform an SQL injection attach. She wants to test the response time of a true or false response and wants to use a second command to determine whether the database will return true or false results for user IDs. which two SQL Injection types would give her the results she is looking for?
- A. union-based and error-based
- B. Time-based and boolean-based
- C. Out of band and boolean-based
- D. Time-based and union-based
Answer: C
NEW QUESTION # 82
Susan, a software developer, wants her web API to update other applications with the latest information. For this purpose, she uses a user-defined HTTP callback or push APIs that are raised based on trigger events; when invoked, this feature supplies data to other applications so that users can instantly receive real-time information.
Which of the following techniques is employed by Susan?
- A. REST API
- B. SOAP API
- C. Web shells
- D. Webhooks
Answer: D
NEW QUESTION # 83
You have gained physical access to a Windows 2008 R2 server which has an accessible disc drive. When you attempt to boot the server and log in, you are unable to guess the password. In your toolkit, you have an Ubuntu 9.10 Linux LiveCD. Which Linux-based tool can change any user's password or activate disabled Windows accounts?
- A. John the Ripper
- B. CHNTPW
- C. SET
- D. Cain & Abel
Answer: B
NEW QUESTION # 84
Sam is a penetration tester hired by Inception Tech, a security organization. He was asked to perform port scanning on a target host in the network. While performing the given task, Sam sends FIN/ACK probes and determines that an RST packet is sent in response by the target host, indicating that the port is closed.
What is the port scanning technique used by Sam to discover open ports?
- A. ACK flag probe scan
- B. Xmas scan
- C. IDLE/IPID header scan
- D. TCP Maimon scan
Answer: A
NEW QUESTION # 85
Attacker Lauren has gained the credentials of an organization's internal server system, and she was often logging in during irregular times to monitor the network activities. The organization was skeptical about the login times and appointed security professional Robert to determine the issue. Robert analyzed the compromised device to find incident details such as the type of attack, its severity, target, impact, method of propagation, and vulnerabilities exploited. What is the incident handling and response (IH&R) phase, in which Robert has determined these issues?
- A. Eradication
- B. Incident recording and assignment
- C. Incident triage
- D. Preparation
Answer: C
Explanation:
Triage is that the initial post-detection incident response method any responder can execute to open an event or false positive. Structuring an efficient and correct triage method can reduce analyst fatigue, reduce time to reply to and right incidents, and ensure that solely valid alerts are promoted to "investigation or incident" status.
Every part of the triage method should be performed with urgency, as each second counts once in the inside of a crisis. However, triage responders face the intense challenge of filtering an unwieldy input supply into a condensed trickle of events. Here are some suggestions for expediting analysis before knowledge is validated:
Organization: reduce redundant analysis by developing a workflow that may assign tasks to responders. Avoid sharing an email box or email alias between multiple responders. Instead use a workflow tool, like those in security orchestration, automation, and response (SOAR) solutions, to assign tasks. Implement a method to re-assign or reject tasks that are out of scope for triage.
Correlation: Use a tool like a security info and even management (SIEM) to mix similar events. Link potentially connected events into one useful event.
Data Enrichment: automate common queries your responders perform daily, like reverse DNS lookups, threat intelligence lookups, and IP/domain mapping. Add this knowledge to the event record or make it simply accessible.
Moving full speed ahead is that the thanks to get through the initial sorting method however a a lot of detailed, measured approach is necessary throughout event verification. Presenting a robust case to be accurately evaluated by your security operations center (SOC) or cyber incident response team (CIRT) analysts is key. Here are many tips for the verification:
Adjacent Data: Check the data adjacent to the event. for example, if an end has a virus signature hit, look to visualize if there's proof the virus is running before career for more response metrics.
Intelligence Review: understand the context around the intelligence. simply because an ip address was flagged as a part of a botnet last week doesn't mean it still is an element of a botnet today.
Initial Priority: Align with operational incident priorities and classify incidents appropriately. ensure the right level of effort is applied to every incident.
Cross Analysis: look for and analyze potentially shared keys, like science addresses or domain names, across multiple knowledge sources for higher knowledge acurity.
NEW QUESTION # 86
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?
- A. REST API
- B. JSON-RPC
- C. SOAP API
- D. RESTful API
Answer: D
NEW QUESTION # 87
Robin, a professional hacker, targeted an organization's network to sniff all the traffic. During this process, Robin plugged in a rogue switch to an unused port in the LAN with a priority lower than any other switch in the network so that he could make it a root bridge that will later allow him to sniff all the traffic in the network.
What is the attack performed by Robin in the above scenario?
- A. STP attack
- B. VLAN hopping attack
- C. DNS poisoning attack
- D. ARP spoofing attack
Answer: A
NEW QUESTION # 88
While performing online banking using a Web browser, a user receives an email that contains a link to an interesting Web site. When the user clicks on the link, another Web browser session starts and displays a video of cats playing a piano. The next business day, the user receives what looks like an email from his bank, indicating that his bank account has been accessed from a foreign country. The email asks the user to call his bank and verify the authorization of a funds transfer that took place. What Web browser-based security vulnerability was exploited to compromise the user?
- A. Cross-Site Scripting
- B. Web form input validation
- C. Cross-Site Request Forgery
- D. Clickjacking
Answer: C
NEW QUESTION # 89
Dayn, an attacker, wanted to detect if any honeypots are installed in a target network. For this purpose, he used a time-based TCP fingerprinting method to validate the response to a normal computer and the response of a honeypot to a manual SYN request. Which of the following techniques is employed by Dayn to detect honeypots?
- A. Detecting the presence of Sebek-based honeypots
- B. Detecting honeypots running on VMware
- C. Detecting the presence of Snort_inline honeypots
- D. Detecting the presence of Honeyd honeypots
Answer: C
NEW QUESTION # 90
An attacker runs netcat tool to transfer a secret file between two hosts.
He is worried about information being sniffed on the network.
How would the attacker use netcat to encrypt the information before transmitting onto the wire?
- A. Use cryptcat instead of netcat
- B. Machine A: netcat -l -p -s password 1234 < testfileMachine B: netcat <machine A IP> 1234
- C. Machine A: netcat -l -e magickey -p 1234 < testfileMachine B: netcat <machine A IP> 1234
- D. Machine A: netcat -l -p 1234 < testfile -pw passwordMachine B: netcat <machine A IP> 1234 -pw password
Answer: A
NEW QUESTION # 91
Study the following log extract and identify the attack.
- A. Multiple Domain Traversal Attack
- B. Unicode Directory Traversal Attack
- C. Cross Site Scripting
- D. Hexcode Attack
Answer: B
NEW QUESTION # 92
Your organization has signed an agreement with a web hosting provider that requires you to take full responsibility of the maintenance of the cloud-based resources. Which of the following models covers this?
- A. Platform as a service
- B. Functions as a
- C. Software as a service
- D. service Infrastructure as a service
Answer: B
NEW QUESTION # 93
Lewis, a professional hacker, targeted the loT cameras and devices used by a target venture-capital firm. He used an information-gathering tool to collect information about the loT devices connected to a network, open ports and services, and the attack surface are a. Using this tool, he also generated statistical reports on broad usage patterns and trends. This tool helped Lewis continually monitor every reachable server and device on the Internet, further allowing him to exploit these devices in the network. Which of the following tools was employed by Lewis in the above scenario?
- A. Censys
- B. Lacework
- C. Wapiti
- D. NeuVector
Answer: A
Explanation:
Censys scans help the scientific community accurately study the Internet. The data is sometimes used to detect security problems and to inform operators of vulnerable systems so that they can fixed
NEW QUESTION # 94
Rebecca, a security professional, wants to authenticate employees who use web services for safe and secure communication. In this process, she employs a component of the Web Service Architecture, which is an extension of SOAP, and it can maintain the integrity and confidentiality of SOAP messages.
Which of the following components of the Web Service Architecture is used by Rebecca for securing the communication?
- A. WS-Security
- B. WS-Policy
- C. WSDL
- D. WS Work Processes
Answer: A
NEW QUESTION # 95
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