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Cyber Threat Intelligence

Claude Skill: cve-check

This post describes a Claude Skill named cve-check that I wrote to enrich CVE information for threat intelligence collection

Posted: Sep 8, 2026 by Mayuresh @pentestit

CVE Check Skill

If you follow me on LinkedIn, I released this skill there first. Resharing here if you don't. I created the cve-check Claude Skill to resolve multiple searches to begin my vulnerability mitigation research . The skill automates and presents multiple prerequisites that help you prioritize your threat detection backlog. Read on for more details. Read more about Claude Skill: cve-check

Offensive Security

List of Open Source C2 Post-Exploitation Frameworks

This is a list of open source C2 post-exploitation frameworks.

Posted: Feb 16, 2026 by Mayuresh @pentestit 1,307 views
Updated: Sep 17, 2026

List of Open Source C2 Post-Exploitation Frameworks

Restoring this post with the help of the Wayback machine - This post has been lying in my drafts for more than a year with edits all over. But two days ago, it was announced that Powershell Empire would no longer be supported by it’s authors. Hence just like I curated a list of adversary emulation tools, I finalized this list of open source C2 post-exploitation Read more about List of Open Source C2 Post-Exploitation Frameworks

Adversary Emulation

List of Adversary Emulation Tools

This is a list of open source and commercial adversary emulation tools

Posted: Feb 12, 2026 by Mayuresh @pentestit 1,266 views
Updated: Sep 11, 2026

As I went through the logs on this blog, I saw that an old post from 2018 was still being requested for! Thanks to the internet gods, I was able to find a cached copy. Currently, this is a paste of the old adversary emulation post as is. But, I will update it in a few days time. Every once in a while, the security industry brings forth a new buzz word and introduces Read more about List of Adversary Emulation Tools

Open Source

Deepstar: A Open Source Deepfake Detection Toolkit

This post introduces you an open source Deepstar aka deep*, AI based toolkit in python that helps you detect deepfake videos.

Posted: Aug 20, 2022 by Mayuresh @pentestit
Updated: Sep 27, 2026

Another restored post: Deepfake as a technology has been recently (since June 2016) seen in the wild and has caused concern with a lot of people. A recently released tool – Deepstar is now here to help you detect deepfake videos. Where does this come into picture from a security point of view? According to me, it directly does not. But, if you remember the 2019 Mark Zukerberg Read more about Deepstar: A Open Source Deepfake Detection Toolkit

Open Source

List of Open Source Deepfake Detection Tools

This is a list of open source Deepfake detection tools such as Deepstar, FALdetector, Resemblyzer.

Posted: Jul 5, 2020 by Mayuresh @pentestit
Updated: Sep 27, 2026

Restoring this post from my older archives. After I posted about Deepstar a couple of days ago, I wanted to know if there are more any more open source deepfake detection tools out there. What I found was that most of these tools are written in Python and some even help you “create” them. I also stumbled across some tools that help you detect fake news. This post is a Read more about List of Open Source Deepfake Detection Tools

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