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PT0-003 Fragen Beantworten, PT0-003 PDF Demo
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>> PT0-003 Fragen Beantworten <<
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CompTIA PenTest+ Exam PT0-003 Prüfungsfragen mit Lösungen (Q42-Q47):
42. Frage
A penetration tester gains access to a Windows machine and wants to further enumerate users with native operating system credentials. Which of the following should the tester use?
Antwort: A
Begründung:
The net.exe commands are native to the Windows operating system and are used to manage and enumerate network resources, including user accounts.
* Using net.exe Commands:
* User Enumeration: The net user command lists all user accounts on the system.
Step-by-Step Explanationnet user
* Detailed User Information: To get detailed information about a specific user.
net user <username>
* Additional net.exe Commands:
* Groups: Enumerate groups and group memberships.
net localgroup
net localgroup <groupname>
* Sessions: List active sessions.
net session
* Advantages:
* Native Tool: No need to install additional software.
* Comprehensive: Provides detailed information about users and groups.
* References from Pentesting Literature:
* The use of net.exe commands for user enumeration is a standard practice discussed in various penetration testing guides.
* HTB write-ups often include net.exe commands as part of the enumeration phase on Windows systems.
References:
* Penetration Testing - A Hands-on Introduction to Hacking
* HTB Official Writeups
43. Frage
A penetration tester is authorized to perform a DoS attack against a host on a network. Given the following input:
ip = IP("192.168.50.2")
tcp = TCP(sport=RandShort(), dport=80, flags="S")
raw = RAW(b"X"*1024)
p = ip/tcp/raw
send(p, loop=1, verbose=0)
Which of the following attack types is most likely being used in the test?
Antwort: A
Begründung:
A SYN flood attack exploits the TCP handshake process by sending a large number of SYN packets to a target, consuming resources and causing a denial of service.
Step-by-Step Explanation
Understanding the Script:
ip = IP("192.168.50.2"): Sets the target IP address.
tcp = TCP(sport=RandShort(), dport=80, flags="S"): Creates a TCP packet with a SYN flag set.
raw = RAW(b"X"*1024): Adds a payload to the packet.
p = ip/tcp/raw: Combines IP, TCP, and RAW layers into a single packet.
send(p, loop=1, verbose=0): Sends the packet in a loop continuously.
Purpose of SYN Flood:
Resource Exhaustion: The attack consumes resources by opening many half-open connections.
Denial of Service: The target system becomes unable to process legitimate requests due to resource depletion.
Detection and Mitigation:
Rate Limiting: Implement rate limiting on incoming SYN packets.
SYN Cookies: Use SYN cookies to handle large numbers of SYN requests without consuming resources.
Firewalls and IDS: Deploy firewalls and Intrusion Detection Systems (IDS) to detect and mitigate SYN flood attacks.
Reference from Pentesting Literature:
SYN flood attacks are a classic denial-of-service technique discussed in penetration testing guides.
HTB write-ups frequently illustrate the use of SYN flood attacks to test the resilience of network services.
Reference:
Penetration Testing - A Hands-on Introduction to Hacking
HTB Official Writeups
44. Frage
ion tester is attempting to get more people from a target company to download and run an executable. Which of the following would be the.. :tive way for the tester to achieve this objective?
Antwort: C
Begründung:
The most effective way for the tester to achieve this objective is to send a pretext email from the IT department before sending the download instructions later. A pretext email is an email that uses deception or impersonation to trick users into believing that it is from a legitimate source or authority, such as the IT department. A pretext email can be used to establish trust or rapport with the users, and then persuade them to perform an action or provide information that benefits the attacker. In this case, the tester can send a pretext email from the IT department that informs users about an important update or maintenance task that requires them to download and run an executable file later. The tester can then send another email with the download instructions and attach or link to the malicious executable file. The users may be more likely to follow these instructions if they have received a prior email from the IT department that prepared them for this action. The other options are not as effective ways for the tester to achieve this objective. Dropping USB flash drives around the company campus with the file on it may not reach many users, as they may not find or pick up the USB flash drives, or they may be suspicious of their origin or content.
45. Frage
A penetration tester was able to gather MD5 hashes from a server and crack the hashes easily with rainbow tables.
Which of the following should be included as a recommendation in the remediation report?
Antwort: D
46. Frage
A company that developers embedded software for the automobile industry has hired a penetration-testing team to evaluate the security of its products prior to delivery. The penetration-testing team has stated its intent to subcontract to a reverse-engineering team capable of analyzing binaries to develop proof-of-concept exploits. The software company has requested additional background investigations on the reverse- engineering team prior to approval of the subcontract. Which of the following concerns would BEST support the software company's request?
Antwort: A
47. Frage
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