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

Flare-On 5: MineSweeper Write-up

Oct. 13, 2018

With the Flare-On 5 challenge over and done I thought it would be a good idea to present my solutions for the challenges I managed to solve. This post will group the first two challenges together since they follow the same “story”, the Minesweeper World Championship is coming soon and you weren’t invited. However, you somehow managed to get your hands on the registration application for the challenge and need to crack the code in order to register. Let’s take a look at this application and see what we are dealing with....

Reverse Engineering, Radare2, Hacking, Linux, Windows, CrackMe, DotNET, DnSpy

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