@rajxnull

Security Engineer | prev: @Apple | Opinions my own

 Dubai
github.com/r4j0x00
Joined March 2018
  • Tweets140
  • Following413
  • Followers6.5K
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I remember looking at my first payslip for my first month working at Apple in Paris and seeing a 6 digit cost to employer (majority of which was taxes/social charges). I was convinced it’s a typo…
Pierre de Wulf
@PierreDeWulfFeb 21
Anthropic Head of Sales position in France: Company spend 530k€ per year 🇫🇷 gov get 340k€ employee get 190k€ All is fine.
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so excited to finally share something I’ve been working on alongside many brilliant colleagues. MTE will truly raise the bar for memory safety. security.apple.com/blog/memo…
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I like computers
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linkedin.com/posts/rajvardha…
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Rajvardhan Agarwal retweeted
Theo - t3.gg
@theo26 Jun 2023
I hate the “It’s just a job” discourse. I genuinely love programming. It’s sad that we mock people for enjoying their work.
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Rajvardhan Agarwal retweeted
Super Guesser@SuperGuesser15 Jun 2023
We are finding the sponsor for the DEFCON final. If you are interested in, please mail our mail - [email protected]
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Rajvardhan Agarwal retweeted
Super Guesser@SuperGuesser29 May 2023
Collaborated with @dicegangctf and CodeRed in DEFCON CTF! Finally, we qualified as 4th place in qual 💪💪
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Extremely shocking, he was such an amazing person :(((
Halvar Flake
@halvarflake9 May 2023
I learnt that Zach Riggle, the author of pwndbg, passed a few days ago. We weren't close friends, but acquaintances, and discussed stuff in Twitter DMs. I am sad. My Twitter DMs have lost multiple good folks in the last years :( smithfamilyfuneralhomes.com/…

Zachariah J. "Zach" Riggle Obituary May 5, 2023 - Smith Family Funeral Homes

View Zachariah J. "Zach" Riggle's obituary, send flowers, find service dates, and sign the guestbook.

smithfamilyfuneralhomes.com
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Enjoy our blog post on Cosmos security 👇
Zellic
@zellic_io6 Feb 2023
Building on Cosmos? Check out our latest blog post for a security focused introduction to Cosmos. Exploring Cosmos: A Security Primer zellic.io/blog/exploring-cos…
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Zero cost abstractions don’t exist
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Wow, wild to think it's been a bit over 5 years since I got into infosec. It all started with picoCTF. Met so many amazing people along the way and of course played a lot more CTFs. Truly grateful for all opportunities and experiences I've had. Hopefully, there's more to come!
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Rajvardhan Agarwal retweeted
Zellic
@zellic_io7 Dec 2022
We audited SPL-Token-2022 for the @SolanaFndn. It's an update for the SPL-Token program. In our review, we found an inflationary bug that would've allowed infinite minting of tokens for free. The audit was pre-launch. The code was not enabled, so no funds were at risk. 👇🧵
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Rajvardhan Agarwal retweeted
Zellic
@zellic_io4 Nov 2022
Zellic is proud to be the first audit firm backing their audit with a real stake. Incentive alignment is a HUGE industry-wide problem, and founders deserve better! Our partnership with Ante Finance is the first step toward addressing this issue: 👉zellic.io/blog/ante-x-zellic

Ante x Zellic: Audit Incentive Alignment | Zellic — Research

The first audit firm to stake ETH behind the effectiveness of an audit

zellic.io
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CVE-2021-4034, No idea how this went unnoticed for so long. Probably worse than the sudoedit bug.
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Apparently, it was found and reported back in 2013🤦 xitter.cf/ryiron/status/14862071…
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I wrote a Linux kernel pwnable for @asisctf finals github.com/r4j0x00/ctf-chall…
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Looks like the only web task on defcon quals was also pwn... @oooverflow
Rajvardhan Agarwal@rajxnull21 Mar 2021
Browser exploits are the only right way to solve frontend web tasks
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I wrote a 1day exploit for chrome CVE-2020-16040. It includes a typer hardening bypass. Works for chrome version <= 87.0.4280.88 github.com/r4j0x00/exploits/…
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Play CTF. If anyone is starting out, I would strongly recommend to complete the binexp category from @picoctf. It has a decent difficulty curve and you can always read writeups if you get stuck. Complete the binexp challenge sets from 2019 and this year, you will learn tons.
h0mbre@h0mbre_27 Mar 2021
getting several 'how do i get started in binary exploitation' DMs lately and i have no idea im sorry, im just getting started myself and im just as confused as you are 😅
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more replies
Other wargames like pwnable.kr, pwnable.tw, pwnable.xyz etc are also good to practice with.
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Some other great resources - 1. Binary Exploitation series from @LiveOverflow - youtube.com/watch?v=iyAyN3GF… 2. @farazsth98's blog - faraz.faith/ 3. ctf wiki - teamrocketist.github.io/cate… 4. Writeups from @teamrocketist teamrocketist.github.io/cate…
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