/explore

Click through on any links that interest you or select the planets on the right to continue exploring the Outer Web.
You are here

g-w1.github.io
| | wiki.osdev.org
1.6 parsecs away

Travel
| | [AI summary] A step-by-step tutorial from the OSDev Wiki explains how to parse and implement an ELF file loader for the i386 architecture using C code.
| | timelessname.com
0.8 parsecs away

Travel
| | [AI summary] The article details the author's process of creating the smallest possible x86 ELF binary that outputs 'Hello World' on Ubuntu Linux, involving C, assembly, and hex editing to minimize the file size.
| | blog.nuculabs.dev
1.6 parsecs away

Travel
| | Hello, In this article I'll present you my solution on the Chapter 5 CTF from the book Practical Binary Analysis. For this binary, the hint is to fix four broken things. Running file gives us the following response: 1 2 binary@binary-VirtualBox:~/ctf$ file ./lvl3 ./lvl3: ERROR: ELF 64-bit LSB executable, Motorola Coldfire, version 1 (Novell Modesto) error reading (Invalid argument) And the readelf command gives us: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 binary@binary-VirtualBox:~/ctf$ readelf -h ./lvl3 ELF Header: Magic: 7f 45 4c 46 02 01 01 0b 00 00 00 00 00 00 00 00 Class: ELF64 Data: 2's complement, little endian Version: 1 (current) OS/ABI: Novell - Modesto ABI Version: 0 Type: EXEC (Executable file) Machine: Motorola Coldfire Version: ...
| | matklad.github.io
13.7 parsecs away

Travel
| I've learned a thing I wish I didn't know. As a revenge, I am going to write it down so that you, my dear reader, also learn about this. You probably want to skip this post unless you are interested and somewhat experienced in all of Rust, NixOS, and dynamic linking.