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2019 was a great year for Dragon Sector!
1st place at http://CTFTime.org global ranking for the 2nd year in a row & 3rd time in the history of our team
1st place at 2 CTFs
2nd place at 5 CTFs
3rd place at 5 CTFs
And also organized a well received Dragon CTF 2019!pic.twitter.com/YdRrLp2mO2
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We've released our solution slides for the Dragon CTF 2019: https://docs.google.com/presentation/d/12TzHVUc36eOZIZxLtr13YEmHxQS5lBXrWX5jbwMZjC8/edit … See also: https://blog.dragonsector.pl/2019/11/dragon-ctf-2019-results-and-tasks.html …
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Congratz to DragonCTF 2019 winners! TOP1: p4 (
@p4_team) TOP2: PPP (@PlaidCTF) TOP3: ALLES! (@allesctf) GG, WP! https://ctftime.org/event/887 pic.twitter.com/BAE8Tz1ggg
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Dragon Sector Retweeted
So uh, I made another CTF challenge with a strange custom architecture (involving non-binary bits):https://github.com/mwkmwkmwk/cpuadventure2 …
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If you're planning to attend Dragon CTF 2019, you might want to take a look at this post: https://blog.dragonsector.pl/2019/10/dragon-ctf-2019-will-feature-arcane.html …
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Dragon Sector Retweeted
I'm going live in 1.5h to showcase solutions of BabyPDF, PlayCAP and ummmfpu from 𝕿𝖊𝖆𝖘𝖊𝖗 𝕯𝖗𝖆𝖌𝖔𝖓 𝕮𝕿𝕱 2019 by
@DragonSectorCTF. Join me at:https://www.youtube.com/watch?v=Xz0ddDwxw_4 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
Just published my writeup for CPU Adventure at DSCTF, wherein me,
@zwad3,@thebluepichu and@jay_f0xtr0t reverse engineered a program written for a completely unknown, custom CPU with no access to the CPU, emulator or any documentation:https://www.robertxiao.ca/hacking/dsctf-2019-cpu-adventure-unknown-cpu-reversing/ …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
The "Looking glass" task of the
@DragonSectorCTF Teaser is an MD5 collision of Protobuf via UniColl made by mlen. Write-up by@nytr0gen_https://nytr0gen.github.io/writeups/ctf/2019/09/22/teaser-dragon-ctf-2019.html …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
My solution for PlayCAP from
@DragonSectorCTF teaser. https://github.com/ByteBandits/writeups/tree/master/teaser-dragon-ctf-2019/misc/PlayCAP/jaiverma …@BanditsByteThanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
Mostly complete disassembler for the
@DragonSectorCTF CPU Adventure problem. Kudos to@nneonneo for doing most of the reversing and@thebluepichu for solving ithttps://gist.github.com/zwade/d63141544243eab5372a2d8c3023bd54 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
I've released the sources to my
@DragonSectorCTF Teaser task `rms` (and `rms-fixed`):https://github.com/implr/dsctf-rmsThanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
I uploaded my BadType challenge from last weekend's Dragon CTF Teaser on GitHub. It's a medium-difficulty RE task for Windows x64 (worth 400 pts), solved by
teams during the competition.https://github.com/j00ru/ctf-tasks/tree/master/Dragon%20CTF%202019/Teaser/BadType …Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
My exploit on `rms-fixed` challenge https://gist.github.com/l4wio/19d27086b57c69871c9178b055c13add … caused by sort of race conditional while resolving addr of the host.
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Dragon Sector Retweeted
Write up on
@DragonSectorCTF recent CTF Challenge: Baby PDF#ctf#misc#dragonsector#writeup Read more:https://github.com/K0p1-Git/CTF-Writeups/blob/master/DragonSectorCTF-2019/Baby-PDF/solution.md …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
So long since my last blog post... Here's my writeup for Dragon CTF Teaser 2019 "rms" (and "rms-fixed"), enjoy!
@DragonSectorCTFhttps://abiondo.me/2019/09/22/dragonteaser19-rms/ …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
I've pushed my tasks (with sources / solvers) from Teaser Dragon CTF 2019 to my github: https://github.com/gynvael/random-stuff/tree/master/teaser_dragon_ctf_2019 … BabyPDF PlayCAP ummmfpu
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Dragon Sector Retweeted
Here's a little something that I made for (now-finished) Dragon CTF 2019 Teaser by
@DragonSectorCTF : https://github.com/koriakin/cpuadventure/ … (blackbox CPU reverse engineering) — have fun!Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
My writeup for PlayCAP challenge from
@DragonSectorCTF teaser 2019 - https://github.com/mkorman9/dragonsectorteaser2019/tree/master/PlayCAP …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Dragon Sector Retweeted
Docker apparmor bypass: FROM ubuntu:18.04 # get rid of procfs VOLUME /proc # fake files to avoid fail on run COPY empty /proc/self/attr/exec COPY empty /proc/self/fd/4 COPY empty /proc/self/fd/5 COPY empty /proc/self/status # cmd will not have apparmor restrictions CMD YOUR_CMD
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The Teaser Dragon CTF 2019 is now over! TOP1: PPP TOP2: p4 TOP3: Balsn Full scoreboard: https://ctf.dragonsector.pl/?scoreboard Congratz all around! If you've played our CTF, please fill out our post-CTF survey: https://docs.google.com/forms/d/1ZYOHteIf4AbXI7XpmK_gwXG2DSc2gdNCRZb-xqvJj-I … (and don't forget to vote on CTF time) GG WP!pic.twitter.com/mB0XzFHpXZ
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