Episode 75: *Rerun* of The OG Bug Bounty King - Frans Rosen

Episode 75: *Rerun* of The OG Bug Bounty King - Frans Rosen

Episode 75: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are sick, So instead of a new full episode, we're going back 30 episodes to review.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

Today's Guest: https://twitter.com/fransrosen

Detectify

Discovering s3 subdomain takeovers

https://labs.detectify.com/writeups/hostile-subdomain-takeover-using-heroku-github-desk-more/

bucket-disclose.sh

https://gist.github.com/fransr/a155e5bd7ab11c93923ec8ce788e3368

A deep dive into AWS S3 access controls

Attacking Modern Web Technologies

Live Hacking like a MVH

Account hijacking using Dirty Dancing in sign-in OAuth flows

Timestamps:

(00:00:00) Introduction

(00:11:41) Franz Rosen's Bug Bounty Journey and Detectify

(00:20:21) Pseudo-code, typing, and thinking like a dev

(00:27:11) Hunter Methodologies and automationists

(00:42:31) Time on targets, Iteration vs. Ideation

(00:58:01) S3 subdomain takeovers

(01:11:53) Blog posting and hosting motivations

(01:20:21) Detectify and entrepreneurial endeavors

(01:36:41) Attacking Modern Web Technologies

(01:52:51) postMessage and MessagePort

(02:05:00) Live Hacking and Collaboration

(02:20:41) Account Hijacking and OAuth Flows

(02:35:39) Hacking + Parenthood

Jaksot(161)

Episode 161: Cross-Consumer Attacks & DTMF Tone Exfil

Episode 161: Cross-Consumer Attacks & DTMF Tone Exfil

Episode 161: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gives us some quick hits regarding CSRF and Cross Consumer Attacks, and also touches on some breaking questions surroundin...

12 Helmi 24min

Episode 160: Cloudflare Zero-days & Mail Unsubscribing for XSS

Episode 160: Cloudflare Zero-days & Mail Unsubscribing for XSS

Episode 160: In this episode of Critical Thinking - Bug Bounty Podcast Joseph and Brandyn. Chat through some news, Including a Cloudflare Zero-day, Turning List-Unsubscribe into an SSRF/XSS Gadget, & ...

5 Helmi 45min

Episode 159: Avoiding Downgrades on Google Cloud VRP with Cote and Darby Hopkins

Episode 159: Avoiding Downgrades on Google Cloud VRP with Cote and Darby Hopkins

Episode 159: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with the Google Cloud VRP Team to deep-dive policy and reward changes, what the panel process looks like, and how to ...

29 Tammi 1h 46min

Episode 158: 10hr Marathon Hack-Along Recap + $300k Client-side Bugs

Episode 158: 10hr Marathon Hack-Along Recap + $300k Client-side Bugs

Episode 158: In this episode of Critical Thinking - Bug Bounty Podcast we talk about our personal takeaways from the CTBB Charity Hackalong, and then break down some InsertScript POCs, what a $55,000 ...

22 Tammi 58min

Episode 157: Crushing Pwn2Own & H1 with Kernel Driver Exploits

Episode 157: Crushing Pwn2Own & H1 with Kernel Driver Exploits

Episode 157: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Hypr to talk about hacking Mediatek and his experiences with HackerOne and Pwn2Own Ecosystems.Follow us on twitte...

15 Tammi 1h 34min

Episode 156: Chill AMA from bugbounty.forum

Episode 156: Chill AMA from bugbounty.forum

Episode 156: In this episode of Critical Thinking - Bug Bounty Podcast we answer some fantastic questions from over at bugbounty.forumFollow us on twitter at: https://x.com/ctbbpodcastGot any ideas an...

8 Tammi 1h 23min

Episode 155: 2025 Hacker Stats & 2026 Goals

Episode 155: 2025 Hacker Stats & 2026 Goals

Episode 155: In this episode of Critical Thinking - Bug Bounty Podcast Justin, Joseph, and Brandyn reflect on last year of Bug Bounty, and list their goals and predictions for what 2026 holds.Follow u...

1 Tammi 1h 32min

Episode 154: Starting a Pentesting Company on Top of Bug Bounty

Episode 154: Starting a Pentesting Company on Top of Bug Bounty

Episode 154: In this episode of Critical Thinking - Bug Bounty Podcast Joseph and Brandyn talk through the transition from Bug Bounty hunting to Pentesting. We cover diversifying income streams, the c...

25 Joulu 202541min