Hack The Box - ServMon

Jul 4, 2020 - by Renato "shrimpgo" Pacheco

Hi! Let’s go for another writeup from Hack The Box, Servmon machine, level easy. It’s a Windows machine and below there is a recon by nmap: [email protected]:~# nmap -sS -p- -O 10.10.10.184 Starting Nmap 7.80 ( https://nmap.org ) at 2020-05-06...

Hack the Box , Pentest , Writeup

NahamCon CTF 2020 - Elsa4

Jun 14, 2020 - by j3r3mias

Introduction This weekend we played NahamCon CTF 2020 and I decided to log this post-mortem solution that could help future challenges that involve random libs in python. It is post-mortem because we didn’t manage to solve, but after the end...

Cryptography , Capture the Flag , Writeup

2020 Defenit CTF - Some tasks

Jun 7, 2020 - by Alisson "Infektion" Bezerra

Introduction This weekend FireShell wasn’t going to play CTFs, so I decided to look at the Defenit CTF by myself. As I had some important things to do, I couldn’t play much longer, but it was enough to solve some...

Capture the Flag , Pwnable , Reverse Engineering , Web , Writeup

Reversing a Javascript Malware

Apr 16, 2020 - by Lucas "K4L1" Nathaniel

Hi everyone! C: Analysing computers from my uncle’s company, I found a file Bitcoin_2018fYe6fmdx0x.zip: This file was so suspicious to me, so I unzipped and got the file Bitcoin_2018fYe6fmdx0x.js, a javascript that was minify, so I needed to use a...

Javascript , Malware analysis , Reverse Engineering

Byte Bandits CTF 2020 - Look Beyond

Apr 12, 2020 - by Alisson "Infektion" Bezerra

Introduction This weekend, we played Byte Bandits CTF and we finished 9th! It was a really good CTF, the level of the challenges were higher than last year, so, they deserve better weight at CTFTime. We will talk about our...

Capture the Flag , Pwnable , Writeup

Writing a shellcode for MIPS32

Apr 4, 2020 - by Alisson "Infektion" Bezerra

Introduction Writing shellcode is an art, it is something that I really like to do, because it sparks your creativity and it is fun. So, following this post, which we had to exploit a MIPS32 binary, we will write our...

Binary exploitation , Shellcode

Midnight Sun CTF 2020 Quals - pwn2, pwn3 and pwn5

Apr 4, 2020 - by Alisson "Infektion" Bezerra

Introduction This weekend we played the Midnight Sun CTF 2020 Quals. There were a lot of nice challenges and good amount of pwnables, it was something we expected, as the organizers of the event are the ones which runs Pwny...

Capture the Flag , Pwnable , Writeup

Hack the Box - Registry

Apr 4, 2020 - by Daniel "Dan_Ps" Patricio

Nmap nmap 10.10.10.159 -sV -sC -oA scan/stdscan Starting Nmap 7.80 ( https://nmap.org ) at 2020-04-03 08:53 EDT Nmap scan report for 10.10.10.159 Host is up (0.11s latency). Not shown: 997 closed ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH...

Hack the Box , Pentest , Writeup

FireShell CTF 2020 - [PT-BR]

Apr 2, 2020 - by FireShell Security Team

Olá a todos! Nos dias 21 e 22 de março de 2020, ocorreu o FireShell CTF 2020 e este post tem a finalidade de apresentar algumas informações de interesse acerca do evento. Primeiramente gostaríamos de agradecer imensamente a sua participação...

Capture the Flag

Hack the Box - Forest

Mar 31, 2020 - by Renato "shrimpgo" Pacheco

This is my first writeup from Hack the Box platform and my first experience with Windows machine, so I hope to learn writing this! Every machine in the HTB begins with recon and I’ll use nmap to do this: #...

Hack the Box , Pentest , Writeup