Mobile Application - (Advance)

Scenario: 
You are auditing SecureBank, a banking application. The team claims it's well-protected with various security mechanisms. The APK is provided.
Question 1: 
SecureBank uses a custom obfuscation algorithm, which you need to reverse engineer to understand the code. What would be the most appropriate tool or combination of tools to achieve effective code deobfuscation?

Scenario: 
During static analysis, you identify that SecureBank uses native libraries (.so files) for critical functionalities like encryption and key management. You need to analyze these libraries for potential vulnerabilities like buffer overflows or hardcoded secrets.
Question 2: 
You need to disassemble and analyze the native library. What tool is best suited for disassembling and reverse engineering native code (compiled for ARM or x86 architecture) to identify vulnerabilities in the .so files?

Scenario: 
SecureBank implements certificate pinning to prevent man-in-the-middle attacks. However, the implementation appears complex. You need to bypass this certificate pinning.
Question 3: 
To bypass certificate pinning and intercept network traffic using Burp Suite or a similar proxy tool, which approach, combined with Frida, is generally the most effective for dynamically patching the certificate validation logic at runtime?

Scenario: 
SecureBank uses a custom protocol for communication with its backend servers, making it difficult to analyze the API interactions using standard tools.
Question 4: 
To understand the custom protocol used by SecureBank, what approach, combined with network analysis tools like Wireshark and scripting languages like Python, is most effective for reverse engineering the protocol and identifying potential vulnerabilities?

Scenario: 
SecureBank uses root detection mechanisms to prevent the app from running on rooted devices. You need to bypass these checks.
Question 5: 
You need to prevent the app from detecting root. What technique would be required?

Scenario: 
SecureBank implements a complex licensing scheme to prevent unauthorized use of the app. You need to bypass this licensing to analyze all app features.
Question 6: 
What would be most effective for bypassing the licensing mechanism and enabling full app functionality for testing purposes?

Scenario: 
SecureBank uses several advanced anti-tampering techniques, including checksum verification and code integrity checks.
Question 7: 
What tools or techniques, combined with reverse engineering tools and debuggers, are most effective for bypassing these anti-tampering measures?

Scenario: 
During dynamic analysis, you discover SecureBank uses native libraries to perform some cryptographic functions. However, the library uses weak or outdated cryptographic algorithms.
Question 8: 
The app uses Triple DES which is an outdated encryption. What is the weakness of this encryption?

Scenario: 
A user reported the app slows down significantly when a certain feature is used. You suspect there's a memory leak or inefficient resource management.
Question 9:
What tool is best to track resource usage?

Scenario: 
The application has protections against dynamic instrumentation with tools like Frida.
Question 10: 
What technique can be implemented to prevent usage of Frida.

Scenario: 
SecureBank integrates with a third-party SDK for push notifications. You suspect this SDK might be vulnerable.
Question 11: 
A third-party SDK is known to be vulnerable. What is the name of this?