Category Archives: Security

SaturdayMP Show 67: picoCTF (Forbidden Paths & Login)

Posted on April 9, 2025 by Chris C

In this episode I solve the Forbidden Paths and Login picoCTF challenges. You can find the source code in the video here. Found this video useful? Then help others find it by liking, subscribing, sharing, and sponsoring. Have question you … Continue reading →

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SaturdayMP Show 66: picoCTF Format String 2 (Solved in One Long Video)

Posted on February 19, 2025 by Chris C

In this episode I solve the picoCTF Format String 2 problem in my longest video yet. Jump right to the end if you want to see the solution which used pwntools. I think it gave me the knowledge to solve … Continue reading →

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SaturdayMP Show 64: picoCTF Format String 3 (Part 1 – Watch me Fail)

Posted on January 29, 2025 by Chris C

In this episode you can watch me fail to solve the picoCTF Format String 3 problem. My lack of low-level programming is highlighted in this video as I struggle with the C printf exploits and how to read memory. Any … Continue reading →

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SaturdayMP Show 51: Cyber Insecurity in the Wild

Posted on October 2, 2024 by Chris C

A presentation about security issues I’ve personally witnessed. The IRL presentation is Oct 3rd, 2024 for the Dev Edmonton JavaScript, Ruby, and Python Meetup in Edmonton. Found this video useful? Then help others find it by liking, subscribing, sharing, and … Continue reading →

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SaturdayMP Show 50: Hack the Box Sherlock (Brutus)

Posted on September 25, 2024 by Chris C

In this episode I solve the Brutus Sherlock on Hack the Box with only minimal help from the walkthrough. Found this video useful? Then help others find it by liking, subscribing, sharing, and sponsoring. Have question you want answered in … Continue reading →

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SaturdayMP Show 49: picoCTF Gym (Trickster & Cookies)

Posted on September 18, 2024 by Chris C

In this episode I show how to solve the Trickster picoCTF challenge which I got stuck on in the last video. I got some help from Weekly Dev Chat participants. I also solve the Cookies challenge. Found this video useful? … Continue reading →

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SaturdayMP Show 48: picoCTF Gym (Verify and Getting Stuck on Trickster)

Posted on September 11, 2024 by Chris C

In this episode I go over my plan for the month and then try a couple picoCTF problems. Successfully solved Verify and failed to figure out Trickster. Do you have any tips for me to solve Trickster? Found this video … Continue reading →

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SaturdayMP Show 36: picoCTF Gym

Posted on March 13, 2024 by Chris C

In this episode I do some picoCTF exercises inspired by the picoCTF 2024 competition starting. The last problem was a Unicode byte problem that I figured out with help from GitHub Copilot. I don’t fully understand the solution so let … Continue reading →

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SaturdayMP Show #25: TPS Report Uploader CFT Walkthrough (Vulnerable Blazor Application)

Posted on December 27, 2023 by Chris C

Happy Holidays! In this episode I do a walkthrough of the TPS Report Uploader capture the flag (CTF) I created. The walkthrough includes how to exploit the vulnerabilities and how to fix them in this .NET 8 Blazor application. You … Continue reading →

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SaturdayMP Show #23: Adding Basic Auth to NGINX Passenger Docker (Part 3)

Posted on December 15, 2023 by Chris C

In this stunning conclusion to the 3 part series I finally get HTTP Basic Authentication working. Including merging my changes into the main branch in GitLab and making sure it works in staging and production in Render. The video is … Continue reading →

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