CTFtime.org

CN blue-lotus

Also known as
  • BLUELOTUS
  • blue lotus
  • blue_lotus
  • Blue-Lotus_XCTF

Website: www.blue-lotus.net

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Tsinghua University

Participated in CTF events

Overall rating place: 981 with 50.000 pts in 2024

Country place: 60

PlaceEventCTF pointsRating points
1TSG CTF 20244913.000050.000
PlaceEventCTF pointsRating points
8SECCON CTF 2023 International Finals1835.000017.086
PlaceEventCTF pointsRating points
5ISITDTU CTF 2020 Quals7092.000023.344

Overall rating place: 457 with 53.727 pts in 2019

Country place: 27

PlaceEventCTF pointsRating points
3SECCON 2019 Final International competition2582.000013.959
8SECCON 2019 Online CTF5682.000039.768

Overall rating place: 118 with 137.958 pts in 2018

Country place: 14

PlaceEventCTF pointsRating points
7SECCON 2018 Final International competition5895.000014.118
9CODE BLUE CTF 2018 Finals255.00000.000
1SECCON 2018 Online CTF6143.000073.840

Overall rating place: 111 with 118.801 pts in 2017

Country place: 7

PlaceEventCTF pointsRating points
54RuCTFE 201723679.56001.765
44HITCON CTF 2017 Quals1328.000018.018
12Hack.lu CTF 20173493.000041.068
15DefCamp CTF Qualification 20171049.00005.639
240CTF 2017 Quals2057.000016.312
52Codegate 2017 prequals610.00005.998

Overall rating place: 102 with 139.537 pts in 2016

Country place: 4

PlaceEventCTF pointsRating points
79RuCTFE 2016237.00000.967
25HITCON CTF 2016 Quals2250.000029.234
10Tokyo Westerns/MMA CTF 2nd 20163770.000036.218
9Belluminar 2016753.00000.000
500CTF 2016 Quals11.00006.417
414SSCTF 2016 Quals10.00000.042

Overall rating place: 8 with 783.061 pts in 2015

Country place: 2

PlaceEventCTF pointsRating points
1532C3 CTF3100.000034.190
2HITCON CTF 2015 Final36763.420053.520
299447 Security Society CTF 20151707.000011.937
2Trend Micro CTF Asia Pacific & Japan 2015 Final210.000030.000
339RCTF 2015 Quals10.00000.129
12Hack.lu CTF 20153935.000042.129
10HITCON CTF 2015 Quals2390.000028.710
108ASIS CTF Finals 2015225.00002.170
2Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier5105.000027.588
47CSAW CTF Qualification Round 20154410.000026.565
5DEF CON CTF 201512442.000057.562
114PoliCTF 2015600.00003.903
6DEF CON CTF Qualifier 201545.000086.053
41ASIS CTF Quals 20151426.00008.170
111VolgaCTF 2015 Quals925.00003.808
20CTF 2015 Finals25839.463025.253
13PlaidCTF 20152646.000049.175
28UCSB iCTF 20148.99895.575
8Codegate CTF Finals 20152200.000031.156
100CTF 2015 Quals3880.000017.866
7Codegate CTF Preliminary 20154630.000048.629
10Boston Key Party CTF 20154295.000045.984
11SECCON CTF 2014 Finals1233.000010.936
11Ghost in the Shellcode 20153051.000052.050

Overall rating place: 13 with 581.765 pts in 2014

Country place: 1

PlaceEventCTF pointsRating points
931C3 CTF365.000036.648
10RuCTFE 2014243839.220017.722
9SECCON CTF 2014 Online Qualifications4700.000019.292
39447 Security Society CTF 20144320.000034.780
4Hack.lu CTF 20145835.000063.512
299Defcamp CTF Qualification 2014500.00000.488
248CSAW CTF Qualification Round 20141560.000010.631
61No cON Name CTF Quals 20141100.00008.328
5HITCON CTF 20144749.000033.142
5DEF CON CTF 20143233.000038.964
8Pwnium CTF 20142736.000014.756
15SECUINSIDE CTF Quals 20141105.000044.926
13DEF CON CTF Qualifier 201427.000056.515
3ASIS CTF Quals 20142281.000017.955
7PlaidCTF 20144778.000057.878
115Nuit du Hack CTF Quals 2014300.00004.157
8Codegate CTF Finals 20141300.000020.329
116RuCTF Quals 2014810.00005.794
48Boston Key Party CTF 2014700.00008.956
12Codegate CTF Preliminary 20143000.000043.946
128Olympic CTF Sochi 201440.00000.926
17PHD CTF Quals 201440100.000036.900
113Ghost in the Shellcode 2014251.00005.219

Overall rating place: 6 with 729.386 pts in 2013

Country place: 1

PlaceEventCTF pointsRating points
1030C3 CTF3050.000049.277
101UCSB iCTF 20133277.000034.741
27rwthCTF 201316024.000011.063
14Hack.lu CTF 20132817.000049.312
6CSAW CTF Qualification Round 20138200.000046.667
4ASIS CTF Finals 20132878.000021.083
11DEF CON CTF 2013441.00009.624
24EBCTF 20131800.000030.921
9UFO CTF 20131428.000011.040
2SIGINT CTF 20134100.000058.607
6SECUINSIDE CTF Finals 20134250.000036.066
4DEF CON CTF Qualifier 201364.000099.300
5Boston Key Party CTF 20132600.000032.413
11EBCTF Teaser 2013500.00007.159
7SECUINSIDE CTF Quals 20134901.000056.499
7BaltCTF Quals 20133693.000015.563
10PlaidCTF 20132336.000059.018
6UCSB iCTF 20122.780042.073
119ForbiddenBITS CTF 2013200.00002.112
18Codegate CTF Preliminary 20134300.000052.854
97Ghost in the Shellcode 2013200.00003.993

Overall rating place: 48 with 208.860 pts in 2012

Country place: 1

PlaceEventCTF pointsRating points
729c3 CTF3400.000040.952
27PHD CTF Quals 20121900.000021.877
29RuCTF 201216.000013.614
28Hack.lu CTF 20122151.000024.770
59CSAW CTF Qualification Round 20126000.000028.913
19DEF CON CTF Qualifier 20123600.000078.733

Overall rating place: 231 with 17.995 pts in 2011

PlaceEventCTF pointsRating points
23UCSB iCTF 2011325.00000.000
PlaceEventCTF pointsRating points
39UCSB iCTF 20100.00000.000

Organized CTF events

NameWeight
HITB-XCTF DUBAI CTF 20180.00
BCTF 201825.00
BCTF 201715.00
BCTF 201633.33
BCTF 201540.00

Team members

Team writeups

EventTaskAction
TSG CTF 2024simple calc read writeup
TSG CTF 2024Cached File Viewer read writeup
TSG CTF 2024 Cached File Viewer 2 read writeup
TSG CTF 2024Scattered in the fog read writeup
TSG CTF 2024H* read writeup
TSG CTF 2024piercing_misty_mountain read writeup
TSG CTF 2024SQLite of Hand read writeup
TSG CTF 2024prime shellcode read writeup
TSG CTF 2024Who is the Outlier? read writeup
TSG CTF 2024Password-Ate-Quiz read writeup
TSG CTF 2024 vuln-img read writeup
TSG CTF 2024Easy?? ECDLP read writeup
TSG CTF 2024Easy? ECDLP read writeup
TSG CTF 2024CONPASS read writeup
TSG CTF 2024 Feistel Barrier read writeup
TSG CTF 2024Mystery of Scattered Key read writeup
TSG CTF 2024 Toolong Tea read writeup
TSG CTF 2024 I Have Been Pwned read writeup
TSG CTF 2024Cipher Preset Button read writeup
TSG CTF 2024 Misbehave read writeup
TSG CTF 2024Warmup SQLite read writeup
TSG CTF 2024TSGDBinary read writeup
TSG CTF 2024serverless read writeup
0CTF/TCTF 2019 QualsWallbreaker Easy [157]read writeup
BCTF 2018three read writeup
BCTF 2018houseofatum [714]read writeup
0CTF/TCTF 2018 QualsZer0 FS [478]read writeup
34C3 CTFLFA [401]read writeup
HITCON CTF 2017 QualsBaby FS [315]read writeup
0CTF 2017 Finalsvm_escape [1000]read writeup
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