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fqlenos

@fqlenos

Telecom engineer.

scavengersecurity.com
Joined August 2021
  • Tweets11
  • Following48
  • Followers14
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Carlos (@00xc1) profile picture
Carlos@00xc115 Jan 2022
I wrote a _very_ simple (and hopefully correct) implementation of hazard pointers in pure C89 using GCC atomic builtins: github.com/00xc/libdanger
GitHub - 00xc/libdanger: A sane and minimal implementation of hazard pointers in pure C89.

GitHub - 00xc/libdanger: A sane and minimal implementation of hazard pointers in pure C89.

A sane and minimal implementation of hazard pointers in pure C89. - 00xc/libdanger

github.com
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Our writeups for ABBR and Beans Talk, from @asisctf. We worked with @ripp3rsCTF for this CTF, great experience overall! scavengersecurity.com/posts/… scavengersecurity.com/posts/…
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Wait….when should you learn BGP?? But seriously, could be fun 😅
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fqlenos retweeted
Carlos (@00xc1) profile picture
Carlos@00xc127 Sep 2021
Writeup for Flag Checker, from @DownUnderCTF scavengersecurity.com/posts/…

DownUnderCTF 2021 - Flag Checker [Reversing]

flag checker was a reversing challenge during DownUnderCTF 2021 that got 16 solves. We are given a stripped 64 bit binary ELF file for Linux.

scavengersecurity.com
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Thanks for playing! Congratulations to Top 5 Teams 🎉 @thehackerscrew1 BIT CRIMINALS @warlockrootx @ScavengerSec @zh3r0__ #grabcon #grabconctf
Image from The Cyber Grabs (@thecybergrabs)
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fqlenos retweeted
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Carlos@00xc15 Sep 2021
Writeup for Paas, from GrabCON CTF 2021 (@thecybergrabs). Format string exploitation in the Linux kernel. scavengersecurity.com/posts/…

GrabCON CTF 2021 - Paas [Pwn]

Paas was a kernel exploitation challenge during GrabCON CTF 2021 that only got a single solve (our own). We are given a tarball and SSH access to a remote server. The compressed archive contains a...

scavengersecurity.com
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I’ve recently published my first writeup for “devprivops” bash challenge from #FWordCTF 2021 (by @FwordTeam). Thanks to @ScavengerSec for their support. scavengersecurity.com/posts/…
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