MalwareBytes CrackMe #2 Write-Up

May 19, 2018

MalwareBytes recently released their second CrackMe Challenge and I managed to solve it. This article will be my write-up for it so readers can see the techniques that were used in this CrackMe and the steps I went through to reverse engineer the application and get the flag. If you want to follow along you can download the application from the official MalwareBytes post here....

Reverse Engineering, Radare2, Hacking, MalwareBytes, CrackMe

Unpacking Executables - The ESP Trick

April 2, 2018

Malware authors use many tricks to try to get past antivirus solutions. They can obfuscate strings or sign the malware as some other software. One of the more effective tricks is to use a packer to compress the malware, making it harder for antivirus software to detect it. As a malware analyst you should know about what packing is and how to unpack an executable. This article will talk about some of the basic packers and a neat trick that works to unpack most of them....

Reverse Engineering, Radare2, Hacking, x64dbg, Unpacking, mpress

Debugging Using Radare2… and Windows!

Feb. 26, 2018

To start off I want to say I am a Linux person. I use it all the time for development. The command-line is amazing and very streamlined for computer-science related tasks. While I feel this way, there are those who do not and would prefer to use a Windows environment instead. So I want to show two things in this article, how to install and use radare2 for Windows, and also how to debug applications using radare2....

Reverse Engineering, Radare2, Windows

Linux Malware Analysis—Why Homebrew Encryption is Bad

Feb. 2, 2018

Linux is one of my favorite operating systems, but you seldom see malware for it, so I was pretty interested when Linux Malware was caught by my honeypot. This article will be my analysis of the sample, particularly the decryption function that was used throughout it. It’s a good example of why using your own encryption algorithm isn’t very secure....

Reverse Engineering, Radare2, Malware Analysis, Malware, Linux

Snojan Analysis

Jan. 11, 2018

So this is my analysis on the snojan malware. My goal for my articles is to write about different malware samples that I collect in my honeypot. I hate finding a sample and looking up analyses on it only to find that nobody has taken the time to really look at it, so this is my remedy for that....

Reverse Engineering, Radare2, Malware Analysis, Malware


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