JTJeff Tonginwind010.hashnode.dev·Jun 12 · 15 min readMalicious Binary Reverse EngineeringI'm no Low Level (Ed) or John Hammond. I'm at the point where it's a skills issue. I need some guidance. Initially, I tried to get have Claude Codede to analyze the malicious repository with instructi00
JTJeff Tonginwind010.hashnode.dev·Jun 12 · 13 min readDeeper Malware Binary AnalysisWe've setup the docker container with disassemblers like radare2 in the previous post. Separation of Concerns I'm going to use radare2 to slice out by offset/size from the header. We used file and obj00
JTJeff Tonginwind010.hashnode.dev·Jun 11 · 10 min readMalicious Binary Analysis In Malicious IPs and Domain Reconnaissance we trace the endpoints where the suspicious code is coming from. We're going to dive deeper, but I need some protections. The DNS, registry, and endpoint rec00
KSKartikey Sharmainkartikey5960.hashnode.dev·Dec 26, 2025 · 8 min readWhat Happens Before and After a Function Call (x86-64)We all have seen the long-running Foo Bar Code snippet used to explain function calls. In this article, we will focus on what actually happens in a generic nested function call at the machine level. We will explore the machine instructions generated ...10
LWLee Westlakeinrhm.hashnode.dev·Sep 25, 2025 · 6 min readGeneral Assembly Language PrimerWhen it comes to programming retro computers, four universal truths are practically immutable by contemporary standards: they’re slow and have very little memory … and uhhhh … they’re slow and have very little memory. Okay, so technically that’s only...00
UIUmer Islaminblog.umerislam.codes·Sep 15, 2025 · 2 min readAssembly Language: Memory Allocation, Access, Bytes and Words.For the CPU to operate, we must store the data we want to operate on; it is stored in RAM. The different buses of the CPU that communicate with the RAM fetch and read that data. NOTE: Please read the first blog in the series for a better understandin...00
IWIsaac Winhex-dump.hashnode.dev·Sep 5, 2025 · 4 min readMy Introduction to the Game BoySpare time Around a year and a half ago I had a lot of spare time on my hands. This was the consequence of a fairly unfortunate professional situation and my part-time enrollment in a masters degree program in electrical engineering. I had just enoug...00
SAShuja Ahmadinhex0.hashnode.dev·Aug 28, 2025 · 7 min readHow to Write Your First Bootloader from Scratch (No OS Needed)So it all started one day when this crazy thought struck my mind: "Can someone write their own operating system from scratch?" I thought to myself that even if it was possible, it must be really hard and time-consuming. I booted up my desktop running...00
CCyberSpyder028incyberspyder028.hashnode.dev·Jul 27, 2025 · 3 min read🚀 How I Made My Own Binary-Level Code Editor in Python (Like a Mini IDE)🚀 How I Made My Own Binary-Level Code Editor in Python (Like a Mini IDE) Because sometimes, even machine code deserves its own editor. "While I'm still learning the intricacies of binary-level programming, this project represents my early explora...00
박박서경inpsk-study.hashnode.dev·Mar 12, 2025 · 3 min readAssembly Language Programming (7)BL,BXUnderstanding BX and BL in ARM Assembly In ARM assembly, BX (Branch and Exchange) and BL (Branch with Link) are essential for function calls and dynamic branching. BL(Branch with Link) What does BL do? Calls a subroutine (function). Saves the retu...00
