syscalls
Linux X86 Assembly – How To Test Custom Shellcode Using a C Payload Tester
Overview In the last blog post in this series, we created a tool to make it easy to build our custom payloads and extract them. However, what if we want to test ...
Linux X86 Assembly – How to Make Our Hello World Usable as an Exploit Payload
Overview In the last two tutorials, we built a Hello World program in NASM and GAS for x86 assembly. While this can help us learn x86 assembly, it isn’t viable as a ...
Linux X86 Assembly – How to Build a Hello World Program in NASM
Overview A processor understands bytecode instructions specific to that architecture. We as humans use mnemonics to make building these instructions easier than remembering a bunch of binary codes. These mnemonics are known ...