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

InCTF 2019 - Fresh From The Oven

Sep 25, 2019 - by Renato "shrimpgo" Pacheco

Description I have intercepted one of my friends chat. Can you help me in analyzing it? Challenge: Link1 & Link2 This PCAP file has a communication between two users over a TCP connection, using port 1337 initially. The following chat...

Capture the Flag , Forensics , Writeup

InCTF 2019 - Golden Den

Sep 25, 2019 - by Kauê Doretto

Description The greatest heist in the town is here. Charlie and his gang have managed to enter into this three-way secured gold vault in Bulgaria. But he is pretty confused with the different layers of security attached to it. The...

Capture the Flag , Forensics , Writeup

InCTF 2019 - s3cur3-r3v

Sep 25, 2019 - by Marzano

Description Hello, can you reverse this object code for me ??? I would be thankfull to you. challenge.html Solution After googling some of the code, we learned that it corresponds to a series of PHP opcodes for some program. We...

Capture the Flag , Reverse Engineering , Web , Writeup

InCTF 2019 - Notch It Up

Sep 24, 2019 - by Renato "shrimpgo" Pacheco

Description I and my friend love playing with computers. So one day, my friend hid the flag in his computer and gave me the memory dump of the system. Now, the challenge is to get the flag. However, the only...

Capture the Flag , Forensics , Memory dump , Writeup

InCTF 2019 - PHP+1, PHP+1.5 and PHP+2.5

Sep 23, 2019 - by Alisson "Infektion" Bezerra

Introduction This write-up is about the challenges PHP+1, PHP+1.5 and PHP+2.5, we were able to solve those three challenges with the same payload. The idea behind the three challenges were the same: Bypass the WAF and get a shell. The...

Capture the Flag , Web , Writeup

Real World CTF 2019 Quals - Caidanti Part1 and Part 2

Sep 20, 2019 - by Lucas Pinheiro

Quick Intro and Tools Before describe the challange I’d like to share the tooling that I have used to solve it: IDA Pro - Disassembler and Reverse Engineering. Bless HEX editor - For checking the binaries provided. Ropper - ROP...

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

Chaos Communication Camp 2019 - CampRE

Aug 26, 2019 - by Alisson "Infektion" Bezerra

Description The description of the challenge is clear about what we will have to do: Reverse engineering a .NET Core application. So let’s download and extract the zip file and look what’s inside. The Challenge The image above is the...

Capture the Flag , Reverse Engineering , Writeup

CyBRICS CTF Quals 2019 - Telegram

Jul 25, 2019 - by Lucas "K4L1" Nathaniel

Description Author: Alexander Menshchikov (n0str) This Telegram bot really loves live face-to-face communication! And it also seems to have some covert channel! @cybrics_facetoface_bot The Jurandir Solver So basically this is a Telegram bot that sends and receives TVN (Telegram Video...

Capture the Flag , Steganography , Writeup