FSOP

This is not a in-depth detail but rather a tldr. below is links of blogs that help me understand and explained this concept in more detail that I could possibly do.

Basic Understanding

• https://chovid99.github.io/posts/file-structure-attack-part-1/#file-explanation

• https://hackmd.io/@whoisthatguy/Hke0xJaLWp#FSOP-stdout

• https://pwn.college/software-exploitation/file-struct-exploits/

• https://ctf-wiki.mahaloz.re/pwn/linux/io_file/introduction/

Advanced

some of the more in-depth and detailed explanation of the concept can be found on these writeups

STACK the Flags CTF 2022Chovid99's Blog

Deep Dive into FSOPNiftic's blog