piątek, 17 grudnia 2021

Quick intro to log4j

During this week I had a pleasure to learn more about a 'popular' log4j vulnerability. I decided to take a quick note for few cases I found in the IPS logs. Here we go...

piątek, 26 listopada 2021

Lore MIPS OOM

Few days ago I had a pleasure to present some of my ‘notes and ideas’ during TheHackSummit Conference. After (a “stage-fright” ate me alive and “ihmo - I failed”;)) the (“too fast!111”;)) presentation I decided to calm a bit and slow down with some binary exploitation topics. And that’s how I landed in the binary world of IoT and router devices… ;) Here we go…

piątek, 15 października 2021

Postauth Chained RCE with Nagios IM

Some time ago I started searching for bugs in NagiosIX. Few days ago I decided to continue my "research" and that's how I landed with NagiosIM (2.0.0 afaik ;)). Below you'll find few notes about it. :) Here we go...

czwartek, 14 października 2021

Pentesting Jenkins

Some time ago I started a small project called 'enlil'. As you already know - I'm using it during pentests and redteam projects. Below you'll find few notes about the test prepared for Jenkins. Here we go...

środa, 15 września 2021

Mobile Adventures: Fuzzing Android Browsers

In the meantime of last 3 weeks (beside looking for new projects;) of course) I was reading and learning about Android security. Below you'll find few notes about it. Here we go... 

wtorek, 17 sierpnia 2021

Mobile Adventures: Cracking with Frida

This time I decided to prepare a small Lab for testing mobile applications. Because of the 'future work' I decided to stick with Android based environment. Below you'll find few notes about it. Here we go...

niedziela, 15 sierpnia 2021

JS dropper static analysis

From time to time I'm checking Bazaar website to download some samples and try to analyse them in my 'local Lab'. This time I decided to download a file tagged as 'dropper'. Below you'll find the details. Here we go...

piątek, 13 sierpnia 2021

Kernel: Jump into Device

In previous post about kernel I tried to start with some basic kernel modules. Below we'll continue - this time with so called 'devices'. Here we go...

środa, 11 sierpnia 2021

Bounty CORSare

Few days ago someone asked me about CORS-related vulnerabilities. I decided it will be a good idea o try to create a small tool. Below you'll find the whole story. Here we go...

sobota, 7 sierpnia 2021

Kernel: Introduction

Few weeks ago I was invited by one Team to participate as a "guest" during some international CTF competition. Spoiler alert: as I failed strongly during kernel pwn challenges;) (read as: 'mostly all that I tried' ;)) I decided to 'go back' and learn more (to 'try harder' "next time" ;))... Below you'll find few notes from the journey. Here we go...

niedziela, 1 sierpnia 2021

Linux Assembly - Simple shellcode ride

Hi ;) According to our last 'quick intro' with an example of hello_world code in ASM on Linux this time we'll try to create something else. Here we go...

środa, 28 lipca 2021

Quick Intro to Linux Assembly

Some time ago I decided to get back to the ASM on Intel and refresh some of the basics. Below you'll find few notes about it. Here we go... 

wtorek, 13 lipca 2021

poniedziałek, 14 czerwca 2021

Crashing Aspire 9.5

Hi :) This time I decided to publish few details from one of the fuzzing I runned for a while some about 2 weeks ago. Below you'll find 3 bugs I found for Aspire 9.5 software. Here we go...

sobota, 22 maja 2021

środa, 19 maja 2021

Creating Simple File Format Fuzzer

Hi ;) This time I decided to present a short draft for the small and simple 'file format fuzzer' I created some time ago. Here we go...

sobota, 15 maja 2021

(Mass) Hunting for domains

Hi ;) During one of the CTFs I decided to check a domain enumeration tool called massdns. Below you'll find few details and my notes about it. Here we go...

czwartek, 13 maja 2021

Enlil.py - example module

Hi :) last time we talked about wooper.py and enlil.py projects I started some time ago. Since last few weeks I was wondering "what if" we'll combine results from both "proof-of-concepts". Below you'll find few notes about it. Here we go...

środa, 12 maja 2021

piątek, 7 maja 2021

Wooper.py - Reborn

Hi :) I decided to rewrite wooper.py script presented some time ago in the blog. Below you'll find few initial details and a friendly skeleton ;). Here we go...

sobota, 24 kwietnia 2021

Returning root to userland

Since last few days I was reading a little bit more about kernel exploitation. One of the resources I found[1,2,3] was "good enough" (for me ;)) to follow it and recreate the steps on my own VM machine. Vulnerable challenge - described here by Midas - was a one presented on hxpCTF 2020 - 'kernel-rop'. Below you'll find a "quick autopsy" (but I like to think about it like a note for the 'future me' ;)). Here we go...

sobota, 10 kwietnia 2021

FuzzLabs vs Acme CAD Converter

Hi ;) since last week I tried to prepare another article for the upcomoing 'Notes Magazine' (#07) - this time related to the fuzzing. My goal was to prepare a sample fuzzer and grab few new bugs. Below you'll find few of the "very first results". Here we go...

niedziela, 28 marca 2021

FuzzLabs: OpenAPC 5.5-1

Hi ;) From time to time you're asking me about 'pentesting SCADA'. During this weekend I decided to check the topic and mix it a bit with my 'FuzzLabs'. Below you'll find few details about it. Here we go...

czwartek, 25 marca 2021

Pentester on the Meeting

Hi, today we'll prepare a 'simple scenario for "Red Team" attacks' I decided to try after one of the "last  meetings"... ;) Below you'll find more details about it. Here we go...

wtorek, 23 marca 2021

Enlil: Continuous Development

Hi :) last time we talked about Enlil project I decided to rewrite. Today we'll go deeper and modify our current script to extend the "automation of pentest". ;) Here we go...

niedziela, 21 marca 2021

Enlil: Introduction

Hi. Some time ago I create a small script called 'enlil'. Few days ago I decided to check it again and rewrite few things. Below you will find a draft of the current status. ;) Here we go...

sobota, 13 marca 2021

piątek, 26 lutego 2021

sobota, 30 stycznia 2021

Crashing ActivePresenter

 Few days ago I started learning how to record a video... and that's how I found few bugs in ActivePresenter software. Below you'll find few details. Here we go...