IOLI Crackme 0x02 walkthrough — computing the password via static analysis of x86 arithmetic, then confirming with dynamic analysis by stepping through IDA.

shcode2exe converts raw shellcode blobs or strings into debuggable executables targeting 32 or 64-bit Windows, with no Wine dependency when running on Linux.

IOLI Crackme 0x01 walkthrough — converting hex to decimal to find the password, plus a closer look at how arguments are passed to functions in x86 assembly.

IOLI Crackme 0x00 walkthrough — finding the hardcoded password in IDA Pro and patching the binary to accept any input by changing a jz opcode to jmp.

How I won the GuideM Hunt the Kingdom blue team CTF — strategy, preparation, and the high-stakes final minutes that came down to four unsolved questions.

First-time experience ordering custom PCBs from PCBWay using the ESPBoy gerber files — the process, quality, and what comes next for future board designs.

Defcon RTV CTF writeup — reversing a Linux malware binary, bypassing ptrace anti-debugging, and recovering flags from shared memory and rootkit files.

Study notes on MAC spoofing — what it is, legitimate versus illegitimate uses, and how to change your MAC address using ifconfig or macchanger on Linux.

Practical Chicken Scheme FFI examples covering foreign-lambda, struct accessors, inline C code, memory management, and enum bindings for C interop.

Dropping C++ from my custom game engine in favor of pure C, and the cross-platform bugs that surfaced when C++ features I didn't notice were being used.