As some of you might know, I am recently focusing on ARM64/AArch64 trying to expand my reversing skills to this magnificent realm. As I was dealing exclusively with the x86-64 for the bigger part of my career, I thought that learning about the internals of this widely used RISC platform (somebody argue that it is […]
Password cracking / guessing is the inevitable pain of penetration testers. When conducting those assessments, beside a good cracking software and decent amount of GPU power that will definitely come handy, what matters is the good word list that will narrow the search space as much as possible. Definitely, easier said than done, especially if […]
NOTE: Some MALLOC_OPTIONS such as Dump (D) are introduced in the latest release (OpenBSD 7.4). Lately I’ve been exploring functionality and possibilities of various memory allocators to see which one provides decent level of safety for the average developer. Talking about safety in memory allocators, one has to have in mind that there is an […]
Gone are the days when we feared stack buffer overflows, as most modern compilers deploy stack protection by default (we all like cookies, right?), but for the sake of getting myself familiar with WinDbg debugger extension development I decided to have some fun and try to write a small SBOF detection script. But before delving […]
Recently I decided to start solving crackmes.one challenges and publish my experience as series of write ups. The first one is simple crackme by miah which has a low difficulty score and seems to be perfect for introduction to the series. After I have downloaded the zip archive and unziped it, file authforperk.exe (SHA256 6f65c2ef2a828dff2247c2c5a377c91cf6c1fedd93116e01544ecbd9f5234093) […]
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