Unit 4: Web Application Exploitation - Practice Quiz

INT245 — Penetration Testing 50 Questions
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1 Which organization manages the standard awareness document for developers and web application security known as the 'Top 10'?

A. NIST
B. OWASP
C. IEEE
D. ISO

2 In the context of OWASP Top 10, which vulnerability allows an attacker to access unauthorized functionality or data, such as viewing another user's account details by simply changing a URL parameter?

A. Security Misconfiguration
B. Cryptographic Failures
C. Broken Access Control
D. Injection

3 Which attack involves an attacker stealing a valid session ID to gain unauthorized access to a web server?

A. Session Hijacking
B. Buffer Overflow
C. SQL Injection
D. Directory Traversal

4 What is the primary mechanism of a Cross-Site Request Forgery (CSRF) attack?

A. Injecting malicious SQL scripts into a database
B. Brute-forcing the admin password
C. Executing scripts in the victim's browser via a reflected input
D. Tricking a user's browser into sending an unwanted request to a trusted site where the user is authenticated

5 Which input would most likely be used to test for a basic SQL Injection vulnerability?

A. ping 127.0.0.1
B. ../../etc/passwd
C. <script>alert(1)</script>
D. ' OR '1'='1

6 What is the primary defense mechanism against SQL Injection attacks?

A. Using Hashing algorithms
B. Using SSL/TLS
C. Using Parameterized Queries (Prepared Statements)
D. Disabling JavaScript

7 Which type of XSS attack occurs when the malicious script is permanently stored on the target server (e.g., in a database or forum post)?

A. Reflected XSS
B. Stored (Persistent) XSS
C. DOM-based XSS
D. Blind XSS

8 In a DOM-based XSS attack, where does the security vulnerability lie?

A. In the client-side code (JavaScript) processing data
B. In the server-side database code
C. In the network transport layer
D. In the web server configuration

9 Which flag should be set on a Set-Cookie HTTP response header to prevent client-side scripts (like XSS payloads) from accessing the cookie?

A. Expires
B. SameSite
C. HttpOnly
D. Secure

10 BeEF is a popular penetration testing tool. What does the acronym stand for?

A. Basic Exploitation Environment Frontend
B. Binary Encryption and Encoding Facility
C. Backend Engineering Exploitation File
D. Browser Exploitation Framework

11 Which SQL injection technique involves asking the database true/false questions and determining the answer based on the application's response time?

A. Time-based Blind SQLi
B. Error-based SQLi
C. Union-based SQLi
D. Out-of-band SQLi

12 What is the mathematical logic often used in tautology-based SQL injection?

A.
B. (Always True)
C. (Imaginary)
D. where A is false

13 Which mobile deployment model allows employees to use their personal devices for work but requires them to install a Mobile Device Management (MDM) agent?

A. BYOD (Bring Your Own Device)
B. CYOD (Choose Your Own Device)
C. COPE (Corporate Owned, Personally Enabled)
D. Direct Access

14 Which OWASP Mobile Top 10 vulnerability refers to the storage of sensitive data (like passwords or API keys) in plain text within the device's file system?

A. Insecure Communication
B. Extraneous Functionality
C. Insecure Data Storage
D. Improper Platform Usage

15 What is 'Jailbreaking' in the context of mobile security?

A. Creating a sandbox environment for apps
B. Removing software restrictions imposed by the manufacturer on iOS devices
C. Escaping a physical prison using a mobile phone
D. Encrypting the file system of an Android device

16 Which Bluetooth attack involves sending unsolicited messages (often vCards or images) to a Bluetooth-enabled device?

A. Blueborne
B. Bluejacking
C. Bluebugging
D. Bluesnarfing

17 Which Bluetooth attack allows an attacker to steal data (contacts, calendars, emails) from a device?

A. Frequency Hopping
B. Bluesnarfing
C. Pairing Spoofing
D. Bluejacking

18 Which tool is commonly used to automate the detection and exploitation of SQL injection flaws?

A. Aircrack-ng
B. Hydra
C. John the Ripper
D. sqlmap

19 What does a 'Union-based' SQL injection allow an attacker to do?

A. Encrypt the database contents
B. Combine the results of the original query with the results of a malicious injected query
C. Delete the database schema
D. Shut down the database server

20 Which social engineering attack targets mobile users via SMS messages containing malicious links?

A. Whaling
B. Phishing
C. Smishing
D. Vishing

21 In the context of browser exploitation, what is a 'hook'?

A. A hardware keylogger
B. A phishing email subject line
C. A method to close the browser remotely
D. A script that binds the victim's browser to the attacker's framework (e.g., BeEF)

22 Which mitigation technique involves generating a unique random token for every user session and validating it with every state-changing request to prevent CSRF?

A. Database Encryption
B. Input Sanitization
C. Anti-CSRF Token (Synchronizer Token Pattern)
D. Turning off Cookies

23 What is 'Bluebugging'?

A. Jamming a Bluetooth signal
B. Taking full control of a Bluetooth device to make calls or listen to conversations
C. Scanning for Bluetooth devices
D. Sending a virus via Bluetooth

24 Which vulnerability allows an attacker to inject malicious code into a website that is then executed by other users?

A. XXE
B. XSS
C. SSRF
D. RCE

25 Which COPE deployment model stands for?

A. Company Operated, Public Entry
B. Corporate Owned, Public Enabled
C. Computer Operated, Private Encryption
D. Corporate Owned, Personally Enabled

26 Which type of malware disguises itself as legitimate software to trick the user into installing it?

A. Trojan Horse
B. Keylogger
C. Worm
D. Logic Bomb

27 What is the primary risk associated with 'Side-Loading' apps on Android?

A. It automatically deletes system files
B. It requires root access
C. It slows down the internet connection
D. It bypasses the official app store security checks, increasing malware risk

28 Which attack involves an attacker creating a fake mobile transmission tower to intercept mobile traffic?

A. Rogue Access Point
B. NFC Replay
C. Evil Twin
D. IMSI Catcher (Stingray)

29 Identify the vulnerability: An application allows uploading a file named shell.php without validating the file type.

A. XSS
B. Unrestricted File Upload
C. Path Traversal
D. SQL Injection

30 Which component is essential for a 'Reflected XSS' attack to succeed?

A. Access to the database
B. Social engineering to trick a user into clicking a crafted link
C. Root access to the server
D. A stored comment on a blog

31 What does the 'SameSite' cookie attribute helps prevent?

A. Password Cracking
B. Buffer Overflows
C. SQL Injection
D. CSRF (Cross-Site Request Forgery)

32 Which of the following is a symptom of a mobile device being infected with spyware?

A. Unexpected high data usage and rapid battery drain
B. Improved battery life
C. Screen becomes brighter
D. Faster performance

33 Reverse engineering an Android app (APK) is often used in penetration testing to:

A. Upgrade the Android OS
B. Increase the app's speed
C. Compress the file size
D. Identify hardcoded API keys and logic vulnerabilities

34 Which attack involves overlaying a legitimate application with a fake window to trick users into entering sensitive data on a mobile device?

A. SIM Swapping
B. Bluejacking
C. Rooting
D. Tapjacking / Overlay Attack

35 In SQL Injection, what is the purpose of the -- or # characters?

A. To execute the query immediately
B. To comment out the rest of the original SQL query
C. To start a new table
D. To encrypt the payload

36 Which of the following represents a 'Blind' SQL Injection scenario?

A. The application does not return data but behaves differently (true/false) based on the injection
B. The application crashes the server immediately
C. The application returns the results of the UNION SELECT query on the screen
D. The application returns the full database error message

37 Which mobile vulnerability involves an app accidentally sharing access to its components (Activities, Services) with other malicious apps?

A. Broken Cryptography
B. Client Code Quality
C. Insecure Data Storage
D. Improper Platform Usage (Exported Components)

38 What is 'Vishing'?

A. Video Phishing
B. Virtual Phishing
C. VPN Phishing
D. Voice Phishing (using phone calls)

39 Which technique is used to bypass mobile device screen locks using residues left by fingers?

A. Brute Force
B. Dictionary Attack
C. Rainbow Table
D. Smudge Attack

40 Which of the following is a valid method to secure a session ID?

A. Using a short, predictable sequence
B. Storing it in the URL
C. Storing it in a public folder
D. Regenerating the Session ID after a successful login

41 Malware that encrypts a user's files and demands payment for the decryption key is known as:

A. Ransomware
B. Rootkit
C. Adware
D. Spyware

42 In the context of malware, what is a 'Wrapper' or 'Binder'?

A. A secure coding standard
B. A tool used to combine a malicious executable with a legitimate file
C. A firewall rule
D. A type of antivirus

43 What is the function of a C2 (Command and Control) server in a malware attack?

A. To validate SSL certificates
B. To prevent DDOS attacks
C. To store the company's backups
D. To issue instructions to compromised devices (botnet) and receive stolen data

44 Which encoding is often used in XSS payloads to bypass basic keyword filters (e.g., converting < to %3C)?

A. Rot13
B. Base64
C. MD5
D. URL Encoding (Percent Encoding)

45 What is 'Session Fixation'?

A. The server crashing due to too many sessions
B. Fixing a broken session link
C. An attacker setting a user's session ID to a known value before the user logs in
D. An attacker stealing a session cookie via XSS

46 Which tool is specifically designed for decompiling Android applications into readable Java source code?

A. Wireshark
B. Metasploit
C. Nmap
D. Jadx / APKTool

47 If an attacker inputs admin' -- into a login field, they are attempting to bypass authentication via:

A. Buffer Overflow
B. Cross-Site Scripting
C. SQL Injection
D. Path Traversal

48 Which of the following is an example of a Social Engineering attack utilizing authority?

A. Injecting SQL code
B. An attacker pretending to be the CEO asking for an urgent wire transfer
C. A brute force attack on a password
D. Scanning ports on a server

49 What defines a 'Hybrid' mobile application?

A. It runs only on Android
B. It is a web application wrapped in a native container
C. It is written purely in Assembly language
D. It runs only on iOS

50 Which mathematical concept is primarily compromised when an attacker successfully performs a 'Integer Overflow' attack on a web application?

A. Data Integrity / Correctness of calculation
B. Bandwidth
C. Confidentiality
D. Network Latency