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Gray Area

Hyperion Gray's Blog: Software and ideas from Hyperion Gray, the computer security, scraping, crawling, machine learning hackers

Pen Test Primer: Multicast DNS & Service Discovery

Multicast DNS (mDNS) and Service Discovery (DNS-SD) are ubiquitous protocols that are enabled by default in many modern tech products, especially those designed for home and »

Web Design without a Web Designer

Earlier this year, we decided to update our company website. We wanted to update the graphic design and publish more content to reflect all the work »

Pwning dnsmasq (part 2) with ROP

tl;dr There's an exploit that uses ROP for remote root on VYOS against dnsmasq and can be found here. Let's start at the beginning. CVE-2017-14493 »

Dark Web Map: Exploration

In today's installment of our Dark Web Map series we are going to take a deeper dive into its contents. Mainstream coverage of the dark web »

Local Privilege Escalation Exploit/POC for dnsmasq <v2.78 on VyoS

Situation VyOS v1.1.7 ships with dnsmasq v2.55. Wait wait, let me back up. dnsmasq is a program that is run on an OS, »