Debugging Tools & Software (Find Bugs)


This resource contains our updated 2020 recommend for debugging which we hope you can use to find and iron out any kinks in your software.


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Posted by Henry Dalziel  |  December 17, 2019  |   Questions / Comments 3

Debugging Tools & Software (Find Bugs)

Recommended Tools  4
Henry Dalziel
Henry Dalziel | December 17, 2019

- C|EH, Security+, MSc Marketing Management;
- Based in Hong Kong for the last five years;
- Cybersecurity Pro & Growth Hacker

If you are completely new to the world of debugging and how to debug, then we’d recommend you check out this piece here.

Debugging tools are a must for anyone serious software developer, programmer and of course, nefarious hacker.

We’ve listed a bunch of debugging tools (that we hope) you will find useful in your perennial quest to seek bugs in software, code, and programs.

It’s also worth mentioning for those that are interested in bug bounty programs that ‘de-bugging tools’ are definitely very useful when it comes to finding vulnerabilities that might exist on platforms, networks or others.

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4 Recommended Tools

Debugging Tools & Software (Find Bugs)

GDB: THE GNU PROJECT DEBUGGER

GDB, or, the GNU Project debugger, is a cybersecurity pentesting/ hacker tool that allows the user to audit and discover what is being executed witin a web app or program. GDB is especially helpful for developers or programmers that are keen to understand why their application or program is crashing or whether their code has any vulnerabilities. GDB is a free hacking tool released under the GNU General Public License and was modeled after DBX Debugger which works on all Operating Systems including all Unix-like sytems and works for many programming languages that includes C, C++, Ada, Free Pascal, Fortan, Java and many more.

What are the Typical Uses for GDB? GDB has four major uses; these are: Seeing what happens when you start your program, detailing anything that might be affecting its’ behavior. Seeing what happens when you stop your program at specified actions or times of action. Investigate and try and understand why your program has stopped working the way it is meant to and alter things in your program to allow the developer to experiment with correcting the effects of a bug.

IDA PRO

IDA is a multi-platform (including Linux) multi-processor disassembler and debugger that programmers and developers can use to debug their applications. The ‘IDA Disassembler and Debugger’ has become a popular tool when evaluating code that is not working the way that it should be. Furthermore, IDA Pro allows the user to analyze possible vulnerabilities. According to the developer, the ‘IDA Disassembler works as close as is possible to the original source code’ hence why it is popular for those seeking a good debugger tool.

Is IDA Pro Free?
The latest full version of this tool is commercial but you can download a less capable and earlier version (version 5.0) for free.

Does IDA Pro Work on all Operating Systems?
This tool works on Windows, Linux and Mac OS X operating systems.

What are the Typical Uses for IDA Pro?
Two of the key features of this tool are Multitarget Disassembler and Multitarget Debugger. Multitarget Disassembler is a Disassembler module for a huge number of processors. It has full extendability and interactivity and close as possible to a high level source code. While Multitargert Debugger is a debugger that adds dynamic analysis to the data gathered by the disassembler. It also offers complete features expected from a debugger.

IMMUNITY DEBUGGER

The Immunity CANVAS pentesting tool can be used to test how vulerable your system really is. This hacking tool ships with purposely designed vulnerability exploitation modules. The modules that have been written to discover exploits. Immunity CANVAS provides a solution for any organization to have a concrete picture of their security profile.

Is Immunity Debugger Free? Yes, Immunity Debugger is free to download.

Does Immunity Debugger Work on all Operating Systems? Immunity Debugger works on Windows operating systems.

What are the Typical Uses for Immunity Debugger? Immunity Debugger is used to analyze malware, write exploits and reverse engineer binary files. This tool builds on a solid user interface that includes function graphing, its the industry’s first analysis tool build only for heap creation and a huge and support Python API for easy extensibility.

WINDBG

WinDbg, like OllyDbg, is a multipurpose debugger for Microsoft Windows that is distributed by Microsoft. This hacker tool can be used to debug mode applications and drivers. The tool can also be used to find bugs within the operating system itself, i.e. within the kernel mode. WinDbg runs from a GUI application. Many users of this tool also tend to use the Visual Studio Debugger. WinDbg can be used for debugging kernel-mode memory dumps.

For those that don’t know, ‘kernel-mode memory dumps’ is the data that is accumulated from the ‘Blue Screen Of Death’. WinDbg can also be used for post-mortem debugging. WinDbg also has the ability to automatically load debugging symbol files (for example PDB files) from a server by matching various criteria (e.g., timestamp, CRC, single or even the multiprocessor version).

Is WinDbg Free?
Just like WindDbg, all official versions are free.

Does WinDbg Work on all Operating Systems?
No, It only works on Windows operating systems.

What are the Typical Uses for WinDbg?
The primary purpose of this tool is to debug memory dumps after Windows operating system encounters a crash or what other calls the “Blue Screen of Death”. This tool can also let you debug in Kernel mode.

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Debugging Tools & Software (Find Bugs)

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Summary

Any questions that we get that are frequently asked we’ll go ahead and pin them to this page. If you’d like to change an answer or add a question please submit your comments below.

Previously Asked Questions (with Answers)

Debugging is the process that software programers will execute to be able to detect and remove existing and potential errors (which are referred to as ‘bugs’) in a software code. They do this to prevent unexpected crashes and future problems. The main reason why we perform debugging checks is to prevent the incorrect operation of a software or system and exercising this operation will find and resolve bugs or defects.

A debugger is a computer tool (which can also be used by hackers to test and debug software. Debuggers may use instruction-set simulators as opposed to running a program directly on the processor to achieve a higher level of control over its operational execution.

Credit for the terms “bug” and “debugging” are widely attributed to Admiral Grace Hopper in the mid-1940s. Whilst was was working on a Mark II computer at Harvard University, her associates found that a moth has lodged itself in a relay and had short-circuited the system. Commenting on this she wrote in her diary: “First actual case of bug being found” and the term “debugging” came into existence.

Debugging is a vital step in being able to test and find errors or “bugs” in a program or application so that the problem (or “bugs”) can be fixed thereby making the program function in the way it was desired. Typically this is done pre-commercial launch.

The “Post Mortem Debugging Process” is a process in which, with the use of several tools (many listed in this resource) you’d examine a memory dump when an issue occurs and later analyze it offline. The intention being of discovering errors within the code and logs.

The software engineer would typically examine process ID’s and execute a bunch of commands through logic. Debugging tools then read and write on the targets’ virtual memory, and try to “fuzz it” by for example adjusting its register values through APIs provided by the OS.

Debugging is the routine process of locating and removing computer program bugs, errors or abnormalities, which is methodically handled by software programmers via debugging tools. Debugging checks, detects and corrects errors or bugs to allow proper program operation according to set specifications.

USB Debugging allows an Android device to communicate in tandem with another computer running the Android SDK to use advanced operations such as bug-fixing. It’s a useful mobile tool.

You can turn off USB debugging on your Android by going to Settings, Developer options, and then turn off USB debugging. After you turn off USB debugging you may want to reboot your mobile or Android device.

3 responses to “Debugging Tools & Software (Find Bugs)”

  1. Anonymous says:

    these are really great tools

  2. Elaine says:

    Ive been looped, hijacked, and web roots placed on a mac. What cab I do???

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