@OPOSEC

More than breaking through challenges, it is all about sharing the knowledge.

 Oporto, Portugal
0xoposec.github.io/
Joined April 2017
  • Tweets5.8K
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  • Followers1.2K
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Farewell Meetup, Hello Kommunity! In the best interest of our community, after 8.5 years, it's time to bid adieu to Meetup. While it was an easy choice back in 2016 to call it our digital home, the platform has since fallen into disrepair. 1/6 🧵
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Head on over and join the platform so you can stay up-to-date. Rest assured, we haven't abandoned our roots. The 0xoposec.github.io space will remain alive and kicking, keeping our vibrant legacy available for all to see. 5/6
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If you have any questions or concerns, feel free to bring them up at our next IRL event or drop them in our Slack as usual. Thank you for your unwavering support; we can't wait to see you all at our future events (Kommunity-powered, don't forget)! 6/6
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🌞 Summertime calls for relaxation, quality moments with loved ones, and a break from the daily grind. But wait! Get ready for our classic #SummerChallenge, packed with thrilling Web, Crypto, Miscs, and Trivia quests that will keep you hooked! Have fun at sc23.0d.al/.
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We must express our gratitude to @blip_pt for the exceptional support and to every one of you who made our Hack Day a unique experience. Thank you for your invaluable contributions and above all for embodying the true essence of hacking and community spirit throughout the event.
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We also extend a special acknowledgment to our trainers for their remarkable efforts in delivering insightful sessions. Thank you all for making this event memorable. cc: @kripthor @duartevolvox (@)kikloki @Pedro_SEC_R @ArmyS1ck @0xz3z4d45 @TarrinhoPedro @joaolima @simps0n
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ØxＯＰＯＳɆＣ retweeted
Pedro Umbelino@kripthor4 Jun 2023
Another edition of 'Hardware Fault Injection, MacGyver style' A great way to spend a morning in Porto, having fun creating magic smoke, surrounded by the @OPOSEC community. Thanks for inviting me @simps0n, what a great community you guys have going on there!
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Unpatched NodeJS Prototype Pollution in express-fileupload. blog.p6.is/Real-World-JS-1/ Related: qiita.com/shellyln/items/af2… #MustSee #337 (2020)
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A story of leaking uninitialized memory from Fastly (CVE-2021–43848). link.medium.com/BzrVrAKGhnb #Security #416 (2022)

A story of leaking uninitialized memory from Fastly

The post go through a QUIC (HTTP/3) implementation bug in the H2O webserver. The bug is interesting as it affected Fastly, a well-known…

link.medium.com
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The Stanford Geospatial Network Model of the Roman World. orbis.stanford.edu/ #Fun #284 (2019)
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The Art of Packet Crafting with Scapy. scapy.disruptivelabs.in/ #Hack #332 (2020)
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Beating an old PHP source code protector. adepts.of0x.cc/decrypt-nu-co… #Security #473 (2023)

Beating an old PHP source code protector | AdeptsOf0xCC

Article describing how to decode/decrypt source code protected with Nu-Coder

adepts.of0x.cc
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NetCAT network-based cache attack on the processor’s cache (CVE-2019-11184). vusec.net/projects/netcat/ #Security #291 (2019)

NetCAT - vusec

NetCAT shows that network-based cache side-channel attacks are a realistic threat. Cache attacks have been traditionally used to leak sensitive data on a local setting (e.g., from an attacker-contr...

vusec.net
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Don't use VPN services. gist.github.com/joepie91/5a9… #Security #100 (2016)

Don't use VPN services.

Don't use VPN services. GitHub Gist: instantly share code, notes, and snippets.

gist.github.com
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Ropchain - Primer and Attack. kvakil.me/posts/ropchain/ #Security #236 (2018)
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Burp Extension Python Tutorial. laconicwolf.com/2018/04/13/b… #Hack #237 (2018)
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A tool for checking if MFA is enabled on multiple Microsoft Services. github.com/dafthack/MFASweep Blog: bit.ly/34kymFj (+) #Hack #346 (2020)

GitHub - dafthack/MFASweep: A tool for checking if MFA is enabled on multiple Microsoft Services

A tool for checking if MFA is enabled on multiple Microsoft Services - dafthack/MFASweep

github.com
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