Google CTF 2017 – Pwnables – Wiki – Writeup

Hi guys, another writeup for the Google CTF 2017 qualifiers. This time it’s about the “wiki” pwnable binary which had a “medium” difficulty tag attached to it.

Google CTF 2017 – Inst_Prof – Writeup v2 (different approach – keeping it real!)

Hey folks, here as promised – the 2nd blog post about breaking/cracking the GoogleCTF 2017 pwnable challenge “inst_prof”.

Google CTF 2017 – Pwnables – Inst_Prof – Writeup

Hello my friends, let me tell you a short (wrong: rather long) story. Once about a time there was a “capture the flag” (CTF) competition, held by the well known, loaded-with-smart-people company, Google…

Offensive Security CTP course / OSCE certification review

Hi guys, I’d like to tell you a bit about my personal experience about taking (and passing! :-)) the Offensive Security “Cracking The Perimeter” (CTP) course / Offensive Security Certified Expert (OSCE) certification.

Disk Savvy Enterprise v9.6.18 – Buffer Overflow (SEH) Win 7 x64 Exploit Development

Hey folks. Still training hard for my upcoming OSCE (whoop whoop) certification exam. And, in order to do so, I started replicating exploits from exploit-db. One application I found there is called Disk Savvy Enterprise.

SLAE Assignment #7 – Custom Shellcode Crypter

Final assignment of the SecurityTube SLAE Exam! In this assignment I’ll develop a custom crypter/decrypter for shellcode.

SLAE Assignment #6 – Polymorphing 3 Shell-Storm Shellcodes

Right… this is assignment 6 (of 7) of the SecurityTube SLAE Exam.. In this assignment I’ll polymorph three different shellcodes, taken from shell-storm.org.

SLAE Assignment #5 – Analyzing MsfVenom Payloads

So… here we go with assignment 5 (of 7). In this assignment I’ll dissect three different MsfVenom (-> Metasploit Framework) payloads and explain, what they do..

SLAE Assignment #4 – x86 Linux Custom Shellcode Encoder

Hey, I’m back with my solution for assignment 4 (of 7). This time, I show you my custom shellcode encoder (written in Python, yeah) and the according assembly decoding stub.

SLAE Assignment #3 – x86 Linux Egghunter

Whoop Whoop. We’re back – this time (and just very shortly after Easter) – we’re hunting eggs! 🙂