Winners
Congratulations to all the Winners for STACK the Flags 2020. Each member of the top 10 teams will receive an exclusive STACK the Flags CTF C01N and a certificate.
Category 1
| Position |
Team |
Score |
Prize |
| 1st |
perfect blue |
69144 |
SGD $15000 |
| 2nd |
chicken RCE |
64191 |
SGD $10000 |
| 3rd |
PwningActionParty |
57202 |
SGD $4000 |
| 4th |
PDKT |
55069 |
- |
| 5th |
IPhone XS |
52553 |
- |
| 6th |
theZoo |
48333 |
- |
| 7th |
ywh |
48254 |
- |
| 8th |
Christmas Tree |
47275 |
- |
| 9th |
Venti-McVentface |
41335 |
- |
| 10th |
Red Hot Mala Peppers |
39521 |
- |
Category 2
| Position |
Team |
Score |
Prize |
| 1st |
ByteForc3 |
58534 |
SGD $8000 |
| 2nd |
Stranglehold |
51617 |
SGD $4000 |
| 3rd |
Nony |
50985 |
SGD $2000 |
| 4th |
ALAC |
48122 |
- |
| 5th |
HKEggToast |
47577 |
- |
| 6th |
SIG0CT |
46151 |
- |
| 7th |
T0X1C V4P0R |
45465 |
- |
| 8th |
Mushroom |
43014 |
- |
| 9th |
Pentus |
42477 |
- |
| 10th |
Dame Dango |
40658 |
- |
Category 3
| Position |
Team |
Score |
Prize |
| 1st |
Team Mitsuha |
50910 |
SGD $8000 |
| 2nd |
Chomusuke |
46050 |
SGD $4000 |
| 3rd |
ItzyBitzySpider |
37754 |
SGD $2000 |
| 4th |
t3Am_n4m3 |
33648 |
- |
| 5th |
what’s CTF? |
33334 |
- |
| 6th |
Team LIFO |
23238 |
- |
| 7th |
Bear |
21596 |
- |
| 8th |
AcceptableBoat |
20149 |
- |
| 9th |
BunchOfBytes |
20052 |
- |
| 10th |
Shinrabansho |
19277 |
- |
Mastery Awards
| Category |
Winning Team |
Time Taken (hours) |
Cash Bounty |
| Web Warrior |
ywh |
4.9 |
SGD $150 |
| Mobile Ace |
Perfect Blue |
12.2 |
SGD $150 |
| Forensicator |
chicken RCE |
41.1 |
SGD $150 |
| Intelligence Officer |
theZoo |
4.6 |
SGD $150 |
| Chief Human Hacker |
:thinking: but brainrot |
40.9 |
SGD $150 |
Unfortunately, there were no winners for the “Master of Reverse Engineering and Exploitation”, “Cloud Guru” and “IoT Crypto Expert” categories
Write-up Awards
You may find a list of all write-ups here.
| Challenge |
Winning Team |
| All about Korovax! |
BunchOfBytes |
| All Roads Lead to Rome! |
Stranglehold |
| An invitation |
pp |
| Beta reporting system |
Shinrabansho |
| Breaking Free |
SIG0CT |
| Can COViD break Alice’s design? |
AcceptableBoat |
| Can COViD steal Bob’s idea? |
noName |
| Can you trick OrgX into giving away their credentials? |
ItzyBitzySpider |
| Corrupted Hive |
Team Mitsuha |
| COViD is able to compromise our IoT encryption system, how come? |
Shuenonkit |
| COViD’s Communication Technology |
ItzyBitzySpider |
| Feed the Beast |
Mushroom |
| Figure out this missive from COViD to his intern! |
Chicken RCE |
| Find the last seen location of where one of the Korovax’s staff is at |
:thinking: but brainrot |
| Find the leaking bucket! |
Dame Dango |
| Hold the line! Perimeter defences doing it’s work! |
Chomusuke |
| Hunt him down! |
noName |
| I smell updates! |
ItzyBitzySpider |
| IOT RSA Token |
SIG0CT |
| Keep the clouds together… |
chicken RCE |
| Logged In |
Team Mitsuha |
| Only time will tell! |
Shiba |
| Ransom Me This |
PwningActionParty |
| Save Josh! |
:thinking: but brainrot |
| Share and deploy the containers! |
chicken RCE |
| Sounds of freedom! |
Team Mitsuha |
| Stats |
Team Mitsuha |
| Stop COViD’s recruitment! |
Team Mitsuha |
| Striking Back #1 - Password Manager |
chicken RCE |
| Striking Back #2 - What the tech? |
PwningActionParty |
| Task, task, task! |
Nony |
| The suspicious frequency monitoring alert! |
t3Am_n4m3 |
| Time travel |
PwningActionParty |
| Treasure Media |
theZoo |
| True or false? |
QWERTY |
| Unlock Me |
OV3RWR1T3 |
| Voices in the head |
Team Mitsuha |
| Walking down a colourful memory lane |
NYCP |
| Welcome to Korovax Mobile! |
0x1EA7BEEF |
| What is he working on? Some high value project? |
:thinking: but brainrot |
| What is this weird program? |
Chicken RCE |
| What’s with the Search! |
Team LIFO |
| Where was he kidnapped? |
XSSMyLife |
| Who are the possible kidnappers? |
theZoo |
| X marks the spot |
theZoo |
| You shall not pass! |
Cookiez |
