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This is currently the most up-to-date and powerful kernel code debugger. WinDbg supports remote debugging and can download debug symbols directly from Microsoft servers. Reverse engineering cannot exist without static code analysis tools. The current selection of disassemblers is not much better than that of debuggers, but there we still have some favorites. The IDA Pro disassembler is a de facto standard in antivirus labs.
The free version is limited to x86 and does not support plugins. The Pro version offers full functionality with a large number of supported processor architectures and plugin support. IDA does have a built-in debugger with rather basic functionality, but its unconventional interface takes some time to get used to. IDA can also be augmented with the Hex-Rays addon, a decompiler of application source code into C code. This is very useful as it really speeds up program analysis.
Overall, IDA is a very powerful and polished tool with a long development history. So we have to make do with other options. Radare2 was initially conceived as a simple hex editor but grew into a full framework able to debug and disassemble all types of code including firmware, viruses and cracks. Radare is a set of console tools including a debugger, disassembler, decompiler, hex editor, its own compiler, utility for comparing binary files and much more.
The framework supports a large number of processors and platforms, which enables it to compete with products like IDA Pro. Another big advantage of Radare is that it is an open source, free and community-driven project. We have covered the main tools, but reverse engineering also needs packer identifiers, network monitors, hex editors and many other utilities.
This is a great packer identifier with a large number of useful functions. For example, it allows you to view file section entropy, which facilitates visual identification of encryption. It also has a resource viewer with a dump-to-disk feature. DiE enables you to easily access the import table and add plugins and scripts, configure signature scanning methods and view file headers.
There is only one problem with this program: a slow update cycle, although it has not been abandoned. In fact, a new version was released recently! Cracking a custom packer based on GlobeImposter 2.
This is another packer and protector detector. On the other hand, the program is frequently updated, offers numerous interesting functions and user-friendly tips for unpacking. Overall, I would recommend it to beginners. ExeInfoPE has a number of automatic unpackers and will tell you which tool to use to crack a bolt-on protection system. Of course, the program also offers the full set of standard features including a file header viewer, section viewer, hex viewer and even a number of built-in mini-utilities like TerminateProcess and more.
They are the ethical hackers who stay within the limits of the law. They do not access any system or network illegally.
They are constantly looking for flaws in computer and internet security, and their sole aim is to rectify these flaws and improve the security of the content. The companies hire these white hats in order to audit and check their network security. These hackers work as professionals and correct the flaws with their advanced knowledge of the area and reduce the risk that might put the security of the company at stake. They discover the weak points in the network securities, work tirelessly, and put in their best efforts to seek solutions to these network issues.
They establish the reason behind these loopholes and work for fixing them. They are interested in knowing how things work. They like to explore and discover computer systems, programming and networks. While some may only be interested in learning things, others turn their passion into their profession, thus making them professional hackers. They are essentially very well acquainted with all sorts of software tools, techniques and codes that the crackers know.
They know how a cracker would attempt to attack any content which is meant to be secure on the websites and across computer systems. They design exactly such software and tools that a cracker would use, and then they work on improving the system with more security tools and techniques.
This ensures that the computer systems and the network systems become secure enough to not be thwarted by the crackers. The white hats also break in the security, but their purpose of breaking in is entirely non-malicious. They do this only to test their own systems for security purposes, and they do it legally with the permission of various companies and firms that hire them for this job.
Professional hackers mean no harm to any company or individual. We have learnt about hackers, how they work, what their interests are and what they do.
Now when we talk of crackers, we must know that crackers are also hackers. But their ways of works differ a lot. While a hacker works totally in the interest of a company or an individual, the cracker works totally in the opposite manner.
The purpose of a cracker is to break the security of computers and networks. It is an illegal activity. They make use of their knowledge to make personal gains and breach security across networks. They acquire extensive knowledge and learning about computers, their programming, software, codes and languages and use them to break into computers for criminal gains. The crackers are also known as Black Hats. They gain access to the accounts of people maliciously, and they can misuse the secured information across networks.
They can steal credit card information; they can destroy important files, disclose crucial data and information or personal details and sell them for personal gains. Their purpose can range from little personal gains to bigger criminal interests. They can make employees of a company divulge highly secure information. They violate computer security. Once they have gained control over a system, they can do anything like steal data, destroy it, use it to their advantage etc.
While some crackers are driven by sheer publicity of their abilities in the field of hacking, some do it for criminal and malicious purposes. They intentionally breach the computer and network security merely for profit, or maybe there is a challenge in it. They are interested in gaining access to various programs and software without paying royalties. The only purpose they have is illegal hacking leading to security problems.
Some crackers are interested in modifying the software by reverse engineering. And they do this merely for amusement or to showcase their knowledge and abilities. Usually, they are less skilled and do not possess the necessary in-depth knowledge about programming and codes. They almost always rely on the software tools created by others to carry out their operations. Most of the times, they do not know what this program really does.
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