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lirik lagu dj aresh - in 2021, here's how to get started with reverse engineering.

reverse engineering will appear to be so difficult that not everyone has the courage to attempt it. is it, however, really that difficult? today, we’ll take a look at the steps involved in learning how to reverse engineer

first and foremost, ask yourself what you want to accomplish with reverse engineering. reverse engineering is a technique, after all. you can also choose the appropriate tool for the job. so, here’s when reverse engineering could come in handy:

if you’re interested in learning how a piece of closed source software works. there are many forums devoted to reverse engineering old videogames, for example

an examination of malware. malware is usually distributed in the form of one or more binary files that are heavily obfuscated. furthermore, all of the big antivirus firms have malware~~n~lysis teams. they employ a variety of strategies, including reverse engineering. their goal was to detect malware more quickly and effectively. they can also take down malware’s command and control centres on occasion

closed source software was subjected to a security audit. look for flaws and other details

furthermore, if you have a simple target in mind, you can still keep your eyes on the prize while studying. it will assist you in concentrating on the most critical knowledge and sk!lls. it’s perfectly fine if you haven’t made up your mind yet. you can begin right away to get a taste of reverse engineering and then decide later what you want. maybe you’d like to do all of those things at the same time

now it’s time to have some fun! beginner reverse engineering sk!lls are classified into three categories. as usual, the overview includes links to all of the resources i discuss

this article is also available in video format:

1st level

it’s when you’ve got nothing on your mind but a burning urge to learn reverse engineering. so, on this tier, what should you study?
assembly is a programming language. it makes no difference which assembly language you learn first. since most assembly languages have a lot in common. however, i recommend starting with x86 because it has much more resources and tools supporting it than any other language. https://github.com/0xz0f/z0fcourse reverseengineering and https://beginners.reverseengineering are two of my favourite tools for learning x86 assembly
you’ll also benefit from having a basic understanding of executable file formats. each operating system has its own programme: pe is used by windows, while elf is used by linux and other unix~like systems
2nd tier
tier 1 shouldn’t take up too much of your time. in reality, you can start learning anything from tier 2 after just about 5 hours on tier 1. it will give you a much better sense of accomplishment, and learning tier 2 will aid you in learning tier 1
begin by using free reverse engineering tools such as ghidra, radare 2, binary ninja, and ida home/pro (paid). the first is ida, which is still used as the industry standard for static reverse engineering. it is, however, the most expensive choice. ghidra may be a good tool for beginners because it’s free, has a lot of features that other free tools don’t, and it’s extensible. there are numerous online tutorials available for ghidra, as well as a comprehensive book titled “the ghidra book: the definitive guide” on the subject. the relation to this book can be found in the title
perhaps write some simple c programmes and then run them in your preferred tool to see how they work. examine executable file formats as well
then, figure out how to debug. it’s a method of dynamically ~n~lysing and changing a program’s workflow. gdb for linux and x64dbg for windows are your go~to deb~gg~rs
tier three
this is where things start to get serious. it’s time for you to dip your toes in the water and try out some scenarios that are as true to reality as possible. it’s also where you can get a taste of various aspects of reverse engineering and decide which ones you want to concentrate on
look for any online challenges. simple crackme challenges from sites like https://crackmes.one may be the answer. it’s here where your reverse engineering expertise can come in handy
then you can learn about common binary software security flaws and try to find and exploit them. https://www.vulnhub.com, http://root~me.org, http://pwnable.kr, and https://www.hackthebox.eu are all good places to start the vulnerability exploitation journey
learn about packing and obfuscation. though they aren’t very popular in legitimate applications, they are often used in malware and other malicious software. so those abilities could come in handy
play a few ctf games. for every taste, there are ctfs and ctf challenges. nowadays, reing and exploitation problems are almost certainly included in every ctf. flareon is a kind of flareon that is used realworldctf is all about leveraging bugs in real~world applications, while ctf is all about reversing malware~like problems. while all ctfs are timed, don’t feel bad if you can’t solve a problem right away. there’s no need to rush; there’s no need to hurry. even if a ctf has finished, you can try to solve a challenge. also, if you’re stuck, look up write~ups for your challenge on google. http://ctftime.org is a fantastic archive of ctfs and writeups
finally, attempt to reverse engineer real~world products. if there’s a piece of software about which you’ve always been curious. or maybe you’ve always wanted to hack your home router and get a root sh~ll. it’s time to put it to the test
despite the fact that i listed three levels, i strongly advise you to complete them all at the same time. it is an iterative method to learn. those tiers will reinforce one another, allowing you to gain as much experience and expertise as possible
finally, some thoughts
and never stop learning: look for online tutorials, follow people on twitter, partic~p~te in reddit forums, be interested, and don’t be afraid to struggle!
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