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

Tsinghua University

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Participated in CTF events

Overall rating place: 178 with 22.249 pts in 2017

PlaceEventCTF pointsRating points
240CTF 2017 Quals2057.000016.393
52Codegate 2017 prequals610.00005.856

Overall rating place: 102 with 137.618 pts in 2016

PlaceEventCTF pointsRating points
79RuCTFE 2016237.00000.974
25HITCON CTF 2016 Quals2250.000029.984
10Tokyo Westerns/MMA CTF 2nd 20163770.000035.892
9Belluminar 2016753.00000.000
500CTF 2016 Quals11.00006.448
414SSCTF 2016 Quals10.00000.040

Overall rating place: 8 with 783.061 pts in 2015

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 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

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 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

PlaceEventCTF pointsRating points
1030C3 CTF3050.000049.277
101UCSB iCTF 20133277.000034.741
27rwthCTF 201316024.000011.063 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

PlaceEventCTF pointsRating points
729c3 CTF3400.000040.952
27PHD CTF Quals 20121900.000021.877
29RuCTFE 201216.000013.614 CTF 20122151.000024.770
59CSAW CTF Qualification Round 20126000.000028.913
19DEF CON CTF Qualifier 20123600.000078.733
PlaceEventCTF pointsRating points
23UCSB iCTF 2011325.000017.995
PlaceEventCTF pointsRating points
39UCSB iCTF 20100.00000.000

Organized CTF events

BCTF 20170.00
BCTF 201632.14
BCTF 201540.00

Team members

Team writeups

DEF CON CTF Qualifier 2016b3s23 [1]read writeup
DEF CON CTF Qualifier 2015shitcpu [3]read writeup
PlaidCTF 2014gcc [300]read writeup
PlaidCTF 2014parlor [250]read writeup
PHD CTF Quals 2014turututu [2500]read writeup
ASIS CTF Finals 2013Login [350]read writeup
ASIS CTF Finals 2013memdump [220]read writeup
UFO CTF 2013KeyGenMe [400]read writeup
DEF CON CTF Qualifier 2013OMGACM 4 [4]read writeup
DEF CON CTF Qualifier 20133dub 3 [3]read writeup
DEF CON CTF Qualifier 20133dub 1 [1]read writeup
DEF CON CTF Qualifier 20133dub 2 [2]read writeup
DEF CON CTF Qualifier 20133dub 5 [5]read writeup
DEF CON CTF Qualifier 20130x41414141 4 [4]read writeup
DEF CON CTF Qualifier 2013OMGACM 1 [1]read writeup
DEF CON CTF Qualifier 2013OMGACM 3 [3]read writeup
DEF CON CTF Qualifier 2013gnireengine 5 [5]read writeup
SECUINSIDE CTF Quals 2013movie_talk [450]read writeup
SECUINSIDE CTF Quals 2013save the zombie [0]read writeup
SECUINSIDE CTF Quals 2013oldskewl [0]read writeup
EBCTF Teaser 2013for100 [100]read writeup
SECUINSIDE CTF Quals 2013pwn me!! [0]read writeup
EBCTF Teaser 2013crypto100 [100]read writeup
SECUINSIDE CTF Quals 2013bigfile of secret [100]read writeup
SECUINSIDE CTF Quals 2013secure web [300]read writeup
SECUINSIDE CTF Quals 2013reader [0]read writeup
SECUINSIDE CTF Quals 2013PE time [0]read writeup
SECUINSIDE CTF Quals 2013game [0]read writeup
SECUINSIDE CTF Quals 2013debugd [0]read writeup
SECUINSIDE CTF Quals 2013banking [500]read writeup
SECUINSIDE CTF Quals 2013The Bank Robber [500]read writeup
SECUINSIDE CTF Quals 2013givemeshell [0]read writeup
SECUINSIDE CTF Quals 2013secure web revenge [350]read writeup
PlaidCTF 2013compression [250]read writeup
PlaidCTF 2013bunyans_revenge [400]read writeup
UCSB iCTF 2012traintrain read writeup
UCSB iCTF 2012curiosityblogging read writeup
29c3 CTFproxy [400]read writeup
29c3 CTFminesweeper [100]read writeup
29c3 CTFupdate_server [300]read writeup
29c3 CTFregexdb [100]read writeup
29c3 CTFpwsafe [300]read writeup
29c3 CTFshop [400]read writeup
29c3 CTFnode [200]read writeup
PHD CTF Quals 2012Misc 200 [200]read writeup
PHD CTF Quals 2012Real World 100 [100]read writeup
PHD CTF Quals 2012Real World 200 [200]read writeup
PHD CTF Quals 2012Pwn 400 [400]read writeup
PHD CTF Quals 2012Forensics 100 [100]read writeup
PHD CTF Quals 2012Pwn 200 [200]read writeup
PHD CTF Quals 2012Binary 100 [100]read writeup
PHD CTF Quals 2012Misc 400 [400]read writeup
PHD CTF Quals 2012Pwn 300 [300]read writeup
RuCTFE 2012geotracker read writeup
RuCTFE 2012mch read writeup
RuCTFE 2012flightprocess read writeup
RuCTFE 2012gds read writeup