Alexandro Sanchez

@AlexAltea

Security, reversing, mathematics. Writing emulators and hypervisors.

Madrid, Spain
Vrijeme pridruživanja: prosinac 2009.

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  1. proslijedio/la je Tweet
    20. sij

    I've written a new article covering the final issue preventing near-perfect emulation of the SNES: exact cycle-timing of the SNES PPUs (video generators.) I've also proposed solutions that are beyond my abilities, so this article is also a call for help.

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  2. 21. sij

    Lessons learned this weekend: Cunningham's Law works (even accidentally). Thanks to all astronomers who reached out, pointing to real issues. The problem might be largely economical, but I realize it's not trivial to solve.

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  3. proslijedio/la je Tweet
    18. sij

    RDP to RCE: When Fragmentation Goes Wrong AKA: What we know about CVE-2020-0609 and CVE-2020-0610.

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  4. 18. sij

    As space-launch costs sink, new opportunities open which will benefit humanity as a whole... And we should give up on that because you can't be bothered to fix your setup?

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  5. 18. sij

    Astrophotographers complaining about getting : Positions of every orbiting object noticeable by your sensors are known. Your frame's CCS-coords are known. Mask the satellites, average readings of unmasked data. What's the big deal?

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  6. proslijedio/la je Tweet
    29. pro 2019.
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  7. proslijedio/la je Tweet
    28. pro 2019.

    My talk «Hacking Sony PlayStation Blu-ray Drives» starts in 2 hours (22:10 +0100 CET). You can watch it in room Borg or online

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  8. 26. pro 2019.

    Unreleased versions of my PS4 emulator Orbital may or may not be there! 🙃

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  9. 26. pro 2019.

    We got our emulation assembly at ! Feel free to visit and grab a drink with us. Glad to have such awesome neighbors too: KJC, Nintenbros and fail0verflow.

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  10. 22. stu 2019.

    Actual masterplan from , saving both Earth and the energy bill of whoever is simulating/rendering the Universe... one low-poly electric truck at a time.

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  11. 6. ruj 2019.

    We could do formal verification of laws to prevent ambiguities/inconsistencies. Modern NLP might handle some subsets of law. Though this would probably go against .gov's interests.

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  12. proslijedio/la je Tweet
    27. kol 2019.

    Team RPCS3 will be on r/pcgaming on August 31st starting 16:00 UTC to answer your questions! Some of the over 15 team members that will be available on our AMA include: Nekotekina, kd-11, DH, AlexAltea, hcorion, Megamouse, Clienthax, VelocityRa, Whatcookie and many others!

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  13. 13. lip 2019.

    Privacy issues aside, the long-term security of "voiceprints" is questionable. Can any TTS models be sufficiently parametrized and turn passwords into unique voices (to bypass mandatory voiceprinting)?

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  14. 9. lip 2019.

    Streaming-only games will be the end of digital preservation via emulation. The idea of "Art as a Service" that cannot be consumed offline is concerning. This has never happened before, not even with Netflix/Spotify-like services.

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  16. proslijedio/la je Tweet
    6. lip 2019.

    As of today, we're open sourcing our RDP honeypot. Hacked it together over a couple of days with so we could observe any CVE-2019-0708 activity. I didn't like the idea of simulating the RDP protocol so we route connections to actual VMs!

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  17. 1. lip 2019.

    Additionally, there's a full demo showing the boot process and attempted installation of a new firmware in the PS4 VM, plus a 15-min talk of the current status and future plans for Orbital. Enjoy!

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  18. 1. lip 2019.

    The quirky Aeolia XHCI is now implemented so we got host USB pass-through to our PS4 emulator. Check out a DualShock 4 connected to Orbital. Kudos to jarves for his help!

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  19. 8. svi 2019.

    Time for GPUs to stop ignoring alpha on display output, and use it to control opacity instead. Also, add a glossiness component since we are at it.

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  20. proslijedio/la je Tweet
    27. ožu 2019.

    It's been over 90 days since I reported it and never responded, so: arbitrary command execution on the TP-Link SR20 smart hub and router (and possibly other TP-Link device)

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