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

FireShell CTF 2020 - Against the Perfect discord Inquisitor 1 and 2

Mar 30, 2020 - by Lucas "K4L1" Nathaniel

Hi everyone! C: Discord is one of mosts used communication software in the world that is supported on multiple platforms. There you can create servers, channels, and a lot of things like create bots. You can use this application via...

Capture the Flag , Miscellaneous , Writeup

Hack 'N' Routers - Vulnerabilidades comuns em roteadores domésticos - [PT-BR]

Nov 20, 2019 - by Elber "f0lds" Tavares

Hackers xiaomi e androids, algumas pessoas já vem me pedindo a algum tempo para falar um pouco sobre algumas vulns e exploits para roteadores (acho que é para fins educacionais), então, hoje irei falar sobre algumas vulnerabilidades presentes em alguns...

Common Vulnerabilities and Exposures , Pentest , Proof of Concept

InCTF 2019 - ... --- ...

Sep 26, 2019 - by Renato "shrimpgo" Pacheco

Description I recently bought a MiBand and started exploring what crazy stuff I can do with it. Maybe this capture helps you find it yourself. Note: Please submit the flag as inctf{sha1(FLAG IN CAPITALS)} Challenge: Link1 & Link2 Looking at...

Capture the Flag , Forensics , Writeup