version ภาษาไทย ไว้มีเวลาจะมา update ภายหลังครับ Today I would like to review my old one lesson about buffer overflow before I take the OSCP exam in 2015. I wish you learn basic BOF from this post. CesarFTP is the one ftp software which is vulnerabled to BOF (buffer overflow). 1. The first step I download vulnerabled software from internet and install on WinXP (vm) and then 2. Try to search for exploit in my kali linux (No, I don't exploit by metasploit just find the start code and try to make it overflow) This original python 1906.py code is as picture below. I have to change "host" ip before do next step. ***Let's take a look at "buffer". That is something I have to modify later.*** but right now I begin with Fuzzing to find how many characters can crash this application ? 3. Control EIP address - try to replace character after "\n" * 671 by "A" 350 characters and found that Cesar not be crashed. - Let&
My Security and Penetration Testing Life.