• 0x4142 0x4142

    Tech blog, CTFs, and projects.

Posts

  • Reverse Engineering 0x4142 0x4142 #reverse-engineering#gdb#x86-64

    A series that starts from C you already know and ends with you reading, debugging and cracking real x86-64 binaries.

  • Reverse Engineering · Part 1 What Your Compiler Actually Made 0x4142 0x4142 #reverse-engineering#elf#objdump

    Pulling apart the ELF file gcc builds from hello world: its header, sections, symbols, and a first look at main in assembly.

  • Smashing the Stack: A Visual Guide to Buffer Overflows 0x4142 0x4142 #security#memory-safety#c#exploitation#ctf

    How an unchecked write overwrites a saved return address, with a working ret2win demo, and why canaries, ASLR, and NX exist.

  • Hello, world 0x4142 0x4142 #meta

    The first post on 0x4142, a placeholder to replace with your own writing.