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«Tim Berners-Lee»
Puppetmatryoshka
Welcome back on Exploitnetworking! Puppetmatryoshka was a misc challenge of SECT CTF 2018 where it was necessary inspect a pcap file.
NTFS permissions in Windows
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.
SimpleAuth
Welcome back on Exploitnetworking. SimpleAuth is a web challenge of TokyoWesterns CTF. The base of this challenge is manipulate the php function parse_str to bypass auth control and get the flag.
Allow and block P2P connections on FortiGate (Torrent)
In this post we will see how to allow or block 2P2 traffic inside our fortinet.
[HTB] Celestial writeup
In this machine there is a nodejs service exploitable in a easy and direct way. And for privilege escalation there is a simple trick with python.
Ron, Adi and Leonard
Ron, Adi and Leonard is a funny crypto challenge, based on RSA, in particular in this challenge the exponent e is very big, then the ciphertext is vulnerable to Wiener’s attack.
She sells sea shells
Hey guys! Here there is another writeup of a pwn of the HackCon18 ctf. The challenge She Sells Sea Shells was a very easy pwn based on buffer overflow, where you can simply put a shellcode in buffer and jump on it!
Simple yet elegent pwn
Hey guys, it’s just finished the HackCon18 ctf, let’s see the writeup of Simple Yet Elegent pwn. This pwn is based on format string vulnerability and buffer overflow, then our target is leak an address of libc with the format string (because we suppose that ASLR is enabled), and then calculate remote system for spawn a shell.
My first Arm pwn
Recently I have tried for the first time an Arm pwn, a simple program vulnerable to buffer overflow. The only difference between an Arm pwn and a “normal” binary is the assembly code, but look this for see how exploit it.
Monitor computer resources, 3 pre-installed Microsoft tools
We analyze 3 programs for monitoring resources within our system, understanding the programs and services that use it and how
Mouse Without Border, the best free KVM
Mouse Without Border, the best free KVM to share keyboard, mouse and screens. Many features: can also be used through different sub-networks, encrypting data with a secret key, up to 4 pcs with a single keyboard / mouse and many other settings to make your life easier.
[HTB] Valentine writeup
Welcome back on Exploitnetworking! Today we’ll see a Valentine write up. This box is really funny because the first step is based on heartbleed vulnerability that permit you to exploit openssl protocol and read the machine memory.
Understanding the Windows Registry
Everyone has a problem with Windows and look for an online guide that shows us how to change the system logs in the hope of solving it without understanding what you are actually doing. Good but not very well. We try to fully understand what we are going to change and how these registries are composed.