CTFtime.org

CN Redbud

Also known as
  • Redbud_XCTF

Academic team Tsinghua University

Website: https://redbud.info/

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Participated in CTF events

Overall rating place: 264 with 175.804 pts in 2025

Country place: 11

PlaceEventCTF pointsRating points
292025 Qiangwang Challenge on Cyber Mimic Defense Qualification3455.00000.000
128SekaiCTF 2025578.00005.876
44justCTF 20251151.000024.263
230DownUnderCTF 20251874.000014.962
21L3HCTF 20254393.000010.024
14D^3CTF 20252502.000022.998
52UMDCTF 20256481.000028.918
36b01lers CTF 20253127.00009.829
50DEF CON CTF Qualifier 2025281.00005.804
28Codegate CTF 2025 Preliminary1608.000022.520
35WolvCTF 20255774.000019.803
213UTCTF 20253113.000014.421
190TPCTF 202559.00000.270
163Nullcon Goa HackIM 2025 CTF501.00004.052
102TUCTF 2024697.00003.902
250New Year CTF 20251006.00001.153
212UofTCTF 2025788.00001.585
61IrisCTF 20252237.00008.067

Overall rating place: 252 with 165.765 pts in 2024

Country place: 19

PlaceEventCTF pointsRating points
23SECCON CTF 13 Quals1653.000043.343
34BRICS+ CTF Quals 2024779.00004.369
43SCTF 20241874.21005.907
23DownUnderCTF 20246003.000037.534
21RCTF 20243909.050020.835
21D^3CTF 20243230.230012.541
18AVSS Contest 2024122.57001.854
24XCTF-DubheCTF 20242474.00000.000
38L3HCTF 20241697.00004.360
37DiceCTF 2024 Quals1924.000019.553
33Real World CTF 6th296.000015.467

Overall rating place: 163 with 207.468 pts in 2023

Country place: 9

PlaceEventCTF pointsRating points
17BRICS+ CTF Finals 20233464.90003.972
3Azure Assassin Alliance CTF 20235312.000017.229
37Balsn CTF 2023639.000012.498
3WACON 2023 Final4352.000024.514
10BRICS+ CTF Quals 20231164.00008.522
10SECCON CTF 2023 Quals2841.000071.057
161CSAW CTF Qualification Round 20231543.00003.383
7WACON 2023 Prequal2434.000018.205
28*CTF 20232271.38008.456
20Crypto CTF 20231385.000032.377
351UIUCTF 2023213.00002.255
364Google Capture The Flag 2023100.00001.545
31SCTF-20232099.00003.980
15D^3CTF 20233308.090010.631

Overall rating place: 123 with 198.874 pts in 2022

Country place: 11

PlaceEventCTF pointsRating points
82RCTF 2022583.00003.552
212HITCON CTF 202279.00001.563
36SECCON CTF 2022 Quals1206.000029.559
60ASIS CTF Quals 2022443.000011.844
180CTF/TCTF 20221926.000028.172
24CTFZone 2022107.100060.776
64Google Capture The Flag 2022768.000011.442
11Azure Assassin Alliance CTF 20225370.00009.682
6*CTF 20226339.000018.315
3D^3CTF 20229446.160021.363
33Codegate CTF 2022 Preliminary1171.00003.952
52SUSCTF 20221534.00003.770

Overall rating place: 77 with 236.012 pts in 2021

Country place: 8

PlaceEventCTF pointsRating points
20SCTF 20214357.00008.699
2L3HCTF 202110647.000032.256
50ASIS CTF Quals 2021410.000013.449
12RCTF 20216512.000029.740
177CSAW CTF Qualification Round 20211530.00000.000
12CyBRICS CTF 20212674.000022.363
60CTF/TCTF 2021 Quals 5652.000067.704
4D^3CTF 202110666.930020.883
2*CTF 202110910.000035.999
31Real World CTF 3rd331.00004.918

Overall rating place: 647 with 50.645 pts in 2020

Country place: 30

PlaceEventCTF pointsRating points
18SECCON 2020 Online CTF1443.000023.634
10Codegate CTF 2020 Finals741.00000.000
11De1CTF 20205950.000014.748
9Codegate CTF 2020 Preliminary5524.000012.263

Overall rating place: 803 with 31.185 pts in 2019

Country place: 38

PlaceEventCTF pointsRating points
16D^3CTF 20191540.27000.000
65Hack.lu CTF 2019712.00006.748
132CyBRICS CTF Quals 2019160.00001.272
523Facebook CTF 2019101.00000.155
60RCTF 2019718.00002.846
38*CTF 20192435.00005.678
12CONFidence CTF 2019 Teaser1353.000014.487

Overall rating place: 91 with 168.348 pts in 2018

Country place: 10

PlaceEventCTF pointsRating points
185BCTF 201863.00000.254
6HCTF 20186789.480020.006
6Hack.lu CTF 20183496.000059.682
44Teaser Dragon CTF 2018473.00005.831
68TokyoWesterns CTF 4th 2018763.000011.999
6CODE BLUE CTF 2018 Quals2834.000022.063
71Real World CTF 2018 Quals66.00001.007
50RCTF 20181677.00004.061
10*CTF 20185463.000014.245
170CTF/TCTF 2018 Quals3165.000023.587
24N1CTF 20182109.00005.867

Overall rating place: 608 with 24.629 pts in 2017

Country place: 32

PlaceEventCTF pointsRating points
9HCTF 20175454.960014.152
159School CTF 20170.00000.000
34HITB CTF Singapore 20172017.00004.595
25RCTF 20172875.00005.664
171BCTF 201764.00000.218
PlaceEventCTF pointsRating points
63SSCTF 2016 Quals1000.00002.095

Overall rating place: 930 with 8.449 pts in 2015

Country place: 31

PlaceEventCTF pointsRating points
30RCTF 2015 Quals1380.00008.449

Team members

Team writeups

EventTaskAction
Azure Assassin Alliance CTF 2022Master of DNS [909]read writeup
Azure Assassin Alliance CTF 2022mykvm [540]read writeup