The latest articles on DEV Community by Dev assembly x86_64 (@nguyn_nhtmlp11a13). https://dev.to/nguyn_nhtmlp11a13 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3586396%2F954a4542-a886-40dc-8a8c-b6045a569dce.png https://dev.to/nguyn_nhtmlp11a13 en Dev assembly x86_64 Thu, 27 Nov 2025 22:04:52 +0000 https://dev.to/nguyn_nhtmlp11a13/minimal-linux-x8664-syscall-samples-pure-assembly-no-libc-1clg https://dev.to/nguyn_nhtmlp11a13/minimal-linux-x8664-syscall-samples-pure-assembly-no-libc-1clg <p>Hey everyone,</p> <p>I’ve been building a small collection of minimal Linux x86_64 assembly examples using raw syscalls only — no libc, no wrappers.</p> <p>These samples are meant for anyone studying:</p> <ul> <li>Linux ABI</li> <li>syscall-level I/O</li> <li>low-level networking primitives</li> <li>reversing / detection engineering</li> <li>CTF challenges</li> </ul> <p>Included examples:</p> <ul> <li>read_file / write_file</li> <li>socket / connect / send / recv</li> <li>bind → listen → accept</li> <li>minimal reverse shell concept (syscall only)</li> </ul> <p>Build:<br> nasm -f elf64 sample.asm -o sample.o<br> ld sample.o -o sample<br> More instructions + testing with netcat are included in the README.</p> <p>GitHub repository:<br> 👉 <a href="https://github.com/assembly64bit/Linux-asm-samples" rel="noopener noreferrer">https://github.com/assembly64bit/Linux-asm-samples</a></p> <p>This is purely for education &amp; Linux ABI research.</p> assembly reverseengineering systemcalls linux