Unblvr (@Unblvr1) profile picture

Unblvr

@Unblvr1

CTF player | https://nitter.cf/t.co/qfpNfBaxFK | https://nitter.cf/t.co/fpmI3UGuh8

Joined July 2019
  • Tweets38
  • Following47
  • Followers480
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Photo by Unblvr (@Unblvr1)Photo by Unblvr (@Unblvr1)
Unblvr retweeted
Zach Wade (@zwad3) profile picture
Zach Wade@zwad3Aug 10
Congratulations to all the DEF CON CTF players!! Particular congrats to 🎲SDCL, 🇰🇷0x4B52, and of course 🌊Blue Water for winning
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Unblvr retweeted
Jazzy (@ret2jazzy) profile picture
Jazzy
@ret2jazzyAug 10
winning defcon ctf in 2026 feels like catching the last chopper out of nam
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Unblvr retweeted
V12 (@v12sec) profile picture
V12
@v12secJul 30
How to raise a $10M Seed Round

How to raise a $10M Seed Round

Article · @v12sec
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Bad auditors miss obvious bugs. We built an AI tool that finds them. Introducing V12: the only autonomous Solidity auditor that actually finds Highs and Criticals. We'll be releasing it for free. V12 finds Crits in Zellic audits, High/Mediums in Cantina, and a bug in Pendle.
Image from Zellic (@zellic_io)
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BLS signatures are everywhere, from Ethereum’s consensus to EigenLayer. But it’s easy to use them wrong. What are BLS signatures? Let’s talk about the right way and the wrong way to use them:
Image from Zellic (@zellic_io)
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How many security considerations are there for non-EVM chains? There's a TON. Developed by Telegram, @ton_blockchain has a very unique approach to both execution and state. In this thread, we'll dive into some security considerations unique to TON. ⬇️ 🧵
Image from Zellic (@zellic_io)
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In December of 2023, Zellic's @farazsth98 found a bug in NEAR's blockchain node. We worked with the NEAR team to responsibly disclose and fix the issue. Exploiting this bug would crash every node on the NEAR network. Read on for all the details:
Image from Zellic (@zellic_io)
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Here is a 72-byte alphanum MD5 collision with 1-byte difference for fun: md5("TEXTCOLLBYfGiJUETHQ4hAcKSMd5zYpgqf1YRDhkmxHkhPWptrkoyz28wnI9V0aHeAuaKnak") = md5("TEXTCOLLBYfGiJUETHQ4hEcKSMd5zYpgqf1YRDhkmxHkhPWptrkoyz28wnI9V0aHeAuaKnak")
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Announcing the 10th annual Flare-On Challenge, launching on Sept. 29, 2023! The challenge is designed for the world’s best reverse engineers to test their skills through difficult puzzles, featuring a retro-computing challenge involving PDP-11. mandiant.com/resources/blog/… #flareon10
Mandiant Cybersecurity Consulting

Mandiant Cybersecurity Consulting

Transform cyber defense with Mandiant. Engage frontline experts for incident response, threat intelligence services, and cyber risk management.

cloud.google.com
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when the offsets change
Image from chompie (@chompie1337)
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Third edition of pbctf is here! 🗓️ Dec 3rd 14:00 UTC to Dec 5th 02:00 UTC (36 hours) 🎁 Sponsored by @Zellic_io ctftime.org/event/1763 #pbctf #pbctf2022

pbctf 2023

ctftime.org
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This past weekend we had an amazing event. The Google CTF Finals 2022 which were ran as a game hacking competition we named #Hackceler8. We tried to bring under one roof some of the folks with the best hacking skills in the world and have them do/hack a videogame speedrun. 🧵1/N
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Thanks to @bootplug_ctf, our CTF registration is now open! Anyone can participate online, but only Security BSides Oslo participants will be able capture on-site flags at the venue or be eligible for prizes. ctf.bootplug.io/
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My writeups for #flareon8. github.com/myrdyr/ctf-writeu…
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pbctf 2021 has concluded! Congratulations to our winners @dicegangctf , @GuesserSuper, and @0rganizers ! 🏆 Thanks to everyone who participated in #pbctf and taking their precious time to solve our challenges. See you next year!
Image from perfect blue (@pb_ctf)
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Forgot to post earlier, but I finished #flareon8 after 6d23h, ranking 28th. Big thanks to the FLARE Team and @FireEye for the challenges! Challenge 9 really earned its name, and 10 really had potential, but had some issues that made it easier than intended.
Image from Unblvr (@Unblvr1)
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Unblvr retweeted
BAM CTF (@bamctf) profile picture
BAM CTF@bamctf23 Jun 2021
unblvr is a beast, submitting flags at 4am and still way in the lead #ITNSecure21 #CTF
Image from BAM CTF (@bamctf)
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After a long wait we released match videos/sources of our experimental CTF-meets-speedrunning competition - Hackceler8! capturetheflag.withgoogle.co… BIG THANKS to the competing CTF teams and all the Hackceler8 organizers!
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You can't stop me anymore @oooverflow
Image from Zach Wade (@zwad3)
Zach Wade (@zwad3) profile pictureZach Wade@zwad330 Apr 2021
👀
Image from Zach Wade (@zwad3)
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A few months ago Cellebrite announced that they would begin parsing data from Signal in their extraction tools. It seems they're not doing that very carefully. Exploiting vulnerabilities in Cellebrite's software, from an app's perspective: signal.org/blog/cellebrite-v…
Exploiting vulnerabilities in Cellebrite UFED and Physical Analyzer from an app's perspective

Exploiting vulnerabilities in Cellebrite UFED and Physical Analyzer from an app's perspective

Cellebrite makes software to automate physically extracting and indexing data from mobile devices. They exist within the grey – where enterprise branding joins together with the larcenous to be...

signal.org
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