Interested in Security and Exploit Development. Nano is the one true text editor.

Joined August 2015
59 Photos and videos
Specter retweeted
Method we used (>5 years ago, now) on ps5 to fiddle with mp4 and hv memory: github.com/fail0verflow/pros… hope it helps for linux!
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29 Dec 2025
Played @tihmstar's custom beatsaber song, 10/10 would play again
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Specter retweeted
RIP, my PlayStation exploit died. gist.github.com/TheOfficialF… Works upto PS4 13.00 and PS5 12.00. Patched on PS4 13.02 and PS5 12.02.
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20 Jul 2025
Some people already know this, but thought I'd mention here too... unfortunately basically all of my low fw PS5s got stolen recently, so I'm not sure what my future in console research will look like. Replacing this stuff might be too be difficult & expensive to be worth it :(
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Specter retweeted
22 Apr 2025
We have a special episode this week, where we interview @JohnCarse of @getsquarex. We talk about John's industry experience, history of browser security, and the work SquareX is doing on detecting and mitigating browser-based attacks. Check it out: youtube.com/watch?v=GtFpxB4H…

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Specter retweeted
6 Feb 2025
My @dayzerosec co-host zi and I are giving our 1st training @ hardwear.io with a focus on attacking security hypervisors! Trainings are something we've wanted to do for a while. Take a look and share to those who would be interested :) hardwear.io/usa-2025/trainin…

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Specter retweeted
We have a training by @SpecterDev & Zi on Attacking Hypervisors From KVM to Mobile Security Platforms hardwear.io/usa-2025/trainin…

8 Mar 2025
I've published a write-up on reversing and analyzing Samsung's H-Arx hypervisor architecture for Exynos devices, which has had a lot of changes in recent years and pretty interesting design. Hope you all enjoy :) dayzerosec.com/blog/2025/03/…
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8 Mar 2025
I've published a write-up on reversing and analyzing Samsung's H-Arx hypervisor architecture for Exynos devices, which has had a lot of changes in recent years and pretty interesting design. Hope you all enjoy :) dayzerosec.com/blog/2025/03/…
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Specter retweeted
19 Feb 2025
Recon Training 23-26 June 2025: KVM to Mobile Security Platforms - Attacking Hypervisors with @SpecterDev and zi from @dayzerosec (4 days) For more details recon.cx/2025/trainingFromKV…
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3 Nov 2024
RE: byepervisor do people care enough about not wanting to use rest mode and resume to switch the primary exploit for byepervisor to the jump table one? its higher maintenance and possibly slightly less stable but would be slightly more convenient to run I guess
65% yes
35% no
997 votes • Final results
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25 Oct 2024
25 Oct 2024
I've published the repo for Byepervisor (we love named vulns out here). Contains exploit implementation for two PS5 hypervisor bugs for 2.xx and lower. Slides from the talk vod should hopefully be published soon. github.com/PS5Dev/Byeperviso…
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25 Oct 2024
I've published the repo for Byepervisor (we love named vulns out here). Contains exploit implementation for two PS5 hypervisor bugs for 2.xx and lower. Slides from the talk vod should hopefully be published soon. github.com/PS5Dev/Byeperviso…
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Specter retweeted
The PS5's hypervisor has kept the system secure for years—now, vulnerabilities are being revealed. What does this mean for gamers? 🕵️‍♂️🚨 Join @SpecterDev at #hw_ioNL2024 Know More: hardwear.io/netherlands-2024… #ps5 #exploit #hardware
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Specter retweeted
There are a few ways on PS5 to defeat HV. One of methods that I've found was related to APIC: struct apic_ops is located in RW segment of kernel data. With KRW you can overwrite a function pointer inside it like xapic_mode and get into ROP, for example (just need to bypass CFI).
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29 Sep 2024
Feels great when an idea can finally be tested and works out after like a year :) Shouts to ChendoChap for working out the ROP chain. Protip: staying < 3.00 is a good idea.
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24 Sep 2024
Pushed v1.2, exploit's been updated with an implementation that works on 3.xx-5.xx (heap spray go brrr), also some support for other misc low fw. ELF loader and payloads will not work on 5.00 for a while due to dlsym changes. Payload SDK needs changes. github.com/PS5Dev/PS5-UMTX-J…
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