0x4142
Hi, I'm 0x4142. I take things apart to see how they work, then write it down. Expect security write-ups, CTF solutions, and notes on the projects I'm building.
Recent posts
-
Reverse Engineering 
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 #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 #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 #meta The first post on 0x4142, a placeholder to replace with your own writing.