Vulnserver - Order of difficulty

Most guides out there give a walkthrough on solving individual functions within vulnserver. However, when practising for OSCE, I do not want the solutions. Instead, I want to know the order of difficulty of the various functions so I can start from the easiest function and work my way towards ...

Phishing with actual bait

If you received an email like the one below, would you try out the voucher code and see if it works? I sure as heck would, there is literally zero risk from doing so. Assuming the voucher code works and your account is credited with $5 immediately, how far would you be willing to go to get an ...

Overwriting MBR

We have all come across malware which overwrites the Master Boot Record (MBR) of a machine, leaving it unbootable. The code required to overwrite the MBR is surprisingly simple. We will first need to open a write handle to the physical device using the CreateFile API. The MBR is stored in the ...

FLARE-On 6 - Solve vv_max by hand

After looking at the published solutions for FLARE-On 6, I realised that for challenge 11, vv_max, most people used a script to either reverse the AVX functions or to brute force it. My approach was different, I made use of memory breakpoints strategically placed at the address of the arrays to ...

Tips for winning SANS CTFs

Over the past 3 years, I have attended 3 SANS courses and participated in 3 NetWars events. I have won the challenge coin for every event I participated in. I hope this gives a bit more credibility to the tips that I am about to share. The SANS Challenge on the last day differs depending on the ...

WP Like Button 1.6.0 - Auth Bypass

Exploit Title: WP Like Button 1.6.0 - Auth Bypass Date: 05-Jul-19 Exploit Author: Benjamin Lim Vendor Homepage: http://www.crudlab.com Software Link: https://wordpress.org/plugins/wp-like-button/ Version: 1.6.0 CVE : CVE-2019-13344 1. Product & Service Introduction: WP Like button allows you to ...