Binary Exploitation - Pwning Tech

Binary Exploitation

Binary exploitation is the art of exploiting a bug in an application to cause malicious behavior in the program. This comes in several forms such as heap exploitation, stack exploitation, and kernel exploitation.

Linux Kernel Featured

Flipping Pages: An analysis of a new Linux vulnerability in nf_tables and hardened exploitation techniques

A tale about exploiting KernelCTF Mitigation, Debian, and Ubuntu instances with a double-free in nf_tables in the Linux kernel, using novel techniques like Dirty Pagedirectory. All without even having to recompile the exploit for different kernel targets once.

Linux Kernel Featured

Unleashing ksmbd: crafting remote exploits of the Linux kernel

December 22nd 2022: it's Christmas Thursday, one of the last workdays before the Christmas vacation starts. Whilst everyone was looking forward to opening presents from friends and family, the Zero Day Initiative decided to give the IT community a present as well: immense stress in the form of ZDI-22-1690, an

Binary Exploitation

Knote (HackTheBox)

Heya infosec folks, in this write-up we will cover the Knote (kernel-note) kernel-pwn challenge on HackTheBox. We can trigger a local privilege escalation attack by exploiting a use-after-free bug. The description of the challenge is as follows: Secure your secrets in the kernel space! Summary * What are kernel modules? * How

Binary Exploitation

Superfast (HackTheBox)

Hey folks. In this write-up, we're going to discuss the Superfast challenge in HackTheBox which was part of the HackTheBox Business CTF 2022. We're going to perform a single-byte overwrite to bypass ASLR, leak stack pointers, and perform a Return Oriented Programming (ROP) chain. The description of the challenge is:

Binary Exploitation

Finale (HackTheBox)

Hey all. Today we're going to discuss the retired Finale challenge on HackTheBox. The description on HackTheBox is as follows: It's the end of the season and we all know that the Spooktober Spirit will grant a souvenir to everyone and make their wish come true! Wish you the best

HackTheBox challenges

Blacksmith (HackTheBox)

Hey all. Today we're going to discuss the retired Blacksmith challenge on HackTheBox. The description on HackTheBox is as follows: You are the only one who is capable of saving this town and bringing peace upon this land! You found a blacksmith who can create the most powerful weapon in