2021 was a yet another great year for perfect blue! ๐
We placed 1st place in CTFTime.org globally for the 2nd year in a row!๐
๐ฅ1st place at 8 CTFs
๐ฅ2nd place at 3 CTFs
๐ฅ3rd place at 2 CTFs
๐ปAnd also organized a well received pbctf 2021!
2020 was a great year for perfect blue! ๐
We placed 1st place in CTFTime.org globally! ๐
Hereโs an exclusive rewind โช for this season from our perspective, the story behind our team and how we accomplished our goal.
blog.perfect.blue/perfect-blโฆ
Victory! perfect rโชโชโชt wins first place๐ฅin Google CTF 2022 for the second year in a row๐ . Many thanks to the organizers (especially @gynvael and @ZetaTwo!) for their hard work to put together an amazing CTF. Looking forward to finals!
perfect blue finishes 4th at HITB Pro CTF. We had a wonderful time in Dubai and Abu Dhabi! Thank you @HITBSecConf for organizing this awesome CTF and great job to all of our competitors!
Had a blast at DEF CON 29 CTF meeting all the old and new friends. Shout-out to @oooverflow for organizing and @0rganizers for hosting the after-party! Thanks to @Hacker0x01 for sponsoring us. See you all next year? :)
Blue Water finishes #1 in DEF CON CTF Qualifiers! ๐
Looking forward to the finals. Congrats to all the other teams who played, and shoutout to @Nautilus_CTF for the great challenges. See you in Las Vegas!
We are proud to announce our first CTF, pbctf! Everyone is welcome to participate. We have a lineup of challenges ready for you, ranging from easy to punishingly difficult.
Date: 5 Dec. 2020 00:00 UTC - 6 Dec. 2020 23:59 UTC
Reg will open soon at ctf.perfect.blue#pbctf
A great start to 2023: perfect blue + Water Paddler won 2nd place in Real World CTF 2023 as our new collab, Blue Water!๐๐ธ
Thanks to the organizers for their hard work, and congratulations to all other teams for their outstanding performance!
We are proud to announce our second annual CTF, pbctf with a total prize pool of 7,000 USD!
We have a lineup of challenges ready for you, ranging from easy to punishingly difficult.
Date: 9 Oct. 2021 00:00 UTC - 11 Oct. 2021 00:00 UTC
Register at ctf.perfect.blue
Finished 1st in HITCON 2021 again this year. We had an amazing time playing with @setuid0x0_, @jinmo123 and @yechan_bae. Thanks to @HacksInTaiwan for such a great CTF, we are looking forward to next year.
2023 was another great year for the team! ๐
Blue Water, a collab between perfect blue and @Water_Paddler, placed 1st in CTFtime globally!๐
๐ฅ1st place in 6 CTFs
๐ปHosted a successful pbctf 2023
In the past, we also placed first in 2020 and 2021.โ
Looking forward to 2024!๐
Perfect โ๏ธ Guesser finishes #1 in HITCON CTF 2020! Thanks to @HacksInTaiwan for this great competition and congrats to all other competitors.
We look forward to playing DEF CON 29 CTF Finals alongside with @GuesserSuper
Perfect โ๏ธ Guesser finishes #1 in DragonCTF 2020! Thanks to @DragonSectorCTF for the amazing challenges and congratulations to all the other competitors.
Blue Water places 2nd place in DEF CON CTF Finals!
Blue Water is a merger of @pb_ctf + @Water_Paddler + Samsung Research + Tea Deliverers.
Thank you to @Nautilus_CTF for the great CTF, and shoutout to all the other finalists!
See you next year? ๐
Three heads is better than one! In a 3-way collab, perfect blue, r00timentary, and Samsung Research triumphed to secure first place๐ฅin DEF CON CTF Qualifiers! Congratulations to @Nautilus_CTF for a wonderful inaugural CTF, and see everyone at finals!
pbctf 2021 has concluded!
Congratulations to our winners @dicegangctf , @GuesserSuper, and @0rganizers ! ๐
Thanks to everyone who participated in #pbctf and taking their precious time to solve our challenges. See you next year!
It's finally happening! pbctf 2023 is here
๐๏ธ Feb 18th, 14:00 UTC to Feb 20th 02:00 UTC (36 hours)
๐ A $10,000 prize pool
Proudly sponsored by @Zellic_ioctftime.org/event/1763
pbctf 2020 has concluded! Congratulations to our winners, zer0pts, @GuesserSuper, and Organizers! ๐ Thanks to everyone who participated in #pbctf and taking their precious time to solve our challenges. See you next year!
We collaborated with r00timentary (@SSLab_Gatech) as โperfect r00tโ and emerged victorious at Real World CTF 2022!
Thanks to @RealWorldCTF for the amazing challenges and congratulations to all the other competitors
#HackTheReal
Attention CTFers!
Blue Water CTF is this weekend, hosted by perfect blue and Water Paddler. It will run for 36 hours, starting from 2:00 PM UTC on Saturday, October 12.
We'll have plenty of challenges for pwn, web, reversing, and crypto!
Registration: bw.ctf.ing
pbctf 2023 has concluded!
Congratulations to our winners:
๐ฅMore Smoked Leet chicken (@leetmore)
๐ฅ about:blankets
๐ฅ Water Paddler (@Water_Paddler)
Thanks to everyone who participated in #pbctf. See you next year!
Blue Water CTF has concluded, and congratulations to our winners!
๐ 1st place: @0rganizers [$4000]
๐ฅ 2nd place: @CyKorKU [$2000]
๐ฅ 3rd place: @SuperGuesser [$1000]
We are also offering a $100 FIRST BLOOD PRIZE๐ฉธfor the first solve of each of these unsolved challenges: ๐
Congratulations to @allesctf for taking the first blood ๐ฉธ on Serenity Broowser challenge.
Also, special shout out to @zer0pts who solved it 10 minutes later after ALLES!
#pbctf
Hello everyone! Registration is finally up at ctf.perfect.blue. Join us for a weekend of fun :-)
Date: 5 Dec. 2020 00:00 UTC - 6 Dec. 2020 23:59 UTC
d
You can also find us on discord: discord.gg/8BhEHts
Perfect Blue finishes #10 in @PlaidCTF 2020!! Good job to all organizers for the great challenges and competitors for their amazing work. See you next year!
We are currently open and searching for any sponsorships for our annual jeopardy CTF event โpbctfโ in 4 weeks.
If you are interested, Letโs connect via DM or email us at team@perfect.blue to chat further.
Thank You!
After 48 hours of non-stop heap massaging, We finished 3rd in 0CTF 2020 organized by @0opscn.
Congrats to koreanbadass and MSLC for securing 1st and 2nd place respectively.
Shout-out to the organizers for the great challenges. We look forward to the finals!
#0ctf2020
Placed 1st at @Pwn2Win this weekend with @dicegangctf and qualified for DEFCON CTF! We were the only team to solve the JIT VM reversing problem Highest Power. It was a group effort taking over 20 hours, here's my writeup: ctf.harrisongreen.me/2021/pwโฆ
Do you like LOTR, and hacking both? We have a good news. Gear up for โThe Lord of the Flagโ challenge during pbctf on October 9th.
Register on ctf.perfect.blue to get your exclusive access and make sure to bring your own ๐ฟand ๐บ.
#LoTF#pbctf
The prize for Lord of The Flag: The Unfinished Chat challenge has been claimed by @S1r1u5_ and @PewGrand who managed to get first blood ๐ฉธ ~ 36 hours after the end of CTF.
No more submissions will be accepted for that anymore.
Do you always wanted to hack Real World challenges?
Look no further, Register at ctf.perfect.blue and check out the challenges marked as โpb2ownโ.
In addition, We also have challenges with novel techniques in multiple categories.
Less than 24 hours to go.
#pbctf
We would like to extend our thanks and shoutout to our sponsors for contributing to the prize pool.
Premier Sponsor: @dfsec_it
Major Sponsor: @Cellebrite
Official Partners: @vector35
We recommend that you check out the awesome work they are doing ctf.perfect.blue/sponsors/
We have marked few unsolved challenges are ๐ฅ which means you stand a chance to win $100 if you first blood ๐ฉธ + do a public writeup for them in next 5 days!
1.) Lord of the Flag (Web) - ElectronJS
2.) LLLattice (Rev) - Hardware
Chals can be found at ctf.perfect.blue
๐ข All challenges have been released.
Good luck for the last 23 and half hours of #pbctf.
As things stand after 24 hours, we have Super Guesser leading the fray with 3390 points, closely followed by PPP and zer0pts.
ctf.perfect.blue
The prize for LLLattice challenge has been claimed by Wiresboy from @dicegangctf who managed to get first blood ๐ฉธ 2 minutes after the end of CTF.
No more submissions will be accepted for that anymore.
Unsolved challenges eligible for first blood prize:
๐ Geo Weapon (By Pew)
๐ MD5.1 (By rbtree)
๐ Collider (By soon_haari)
The first person who successfully verifies their solution for each challenge will receive a $100 award.
Make sure to join our pbctf discord server to follow the latest and greatest update for the CTF (before, during and after the event):
discord.gg/GXtshq7Qwe
If you have participated in pbctf 2021. You stand a chance to $100 as writeup prize or $500 as the best writeup prize.
Use the following link to submit your writeup to enroll in this writeup contest.
We only accept submissions until 25 Oct 00:00 UTC
docs.google.com/forms/d/e/1Fโฆ