Hey guys, welcome back on Exploitnetoworking! Today we will see the writeup of the binary exploitation challenge Jendy’s by UTCTF. This challenge is an hard pwn binary, that for exploit it, you must use two technics, the first step is manage the heap for obtain an arbitrary free and the second step is use a format string for obtain a write what where.
We may find ourselves on our domain server with old DNS records associated with IP addresses that however are dated or no longer reflect the current reality. We try to understand how to eliminate them automatically without going crazy.
Welcome back on Exploitnetworking! Today we’ll see the writeup of Hack The Box Sunday machine. This box was been really easy because with a simple nmap and with some enumerations you can enter in server, after that with some tricks you can get root user.
The backup, probably one of the most important things if you do not want to be screwed in IT. Only at the thought of losing important data within a company is the creepy. So we try to understand what backup is and its various types.
Welcome back on Exploitnetworking! PingPong was a pwn challenge of SECT CTF 2018, based on buffer overflow. The main goal was use an overflow to leak the memory addresses of remote libc (for bypass aslr) and then create a ropchain for spawn a shell.
Each operating system has its default file system, each with its merits and defects; APFS for Mac OSX, Ext4 for Linux and NTFS for Windows. We analyze the NTFS to understand how it behaves with the permissions associated with files and folders.