Also known as
  • sqrts

Website: http://blog.squareroots.de/en

Twitter: sqrts

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The squareroots are the University of Mannheim CTF team.

Participated in CTF events

Overall rating place: 587 with 22.969 pts in 2020

Country place: 17

PlaceEventCTF pointsRating points
143Houseplant CTF 20206124.00005.021
364Midnight Sun CTF 2020 Quals58.00000.622
196VolgaCTF 2020 Qualifier360.00002.972
40saarCTF 202016126.22585.780
277ångstromCTF 20201430.00008.574

Overall rating place: 952 with 26.460 pts in 2019

Country place: 34

PlaceEventCTF pointsRating points
81RuCTFE 201924879.84001.069
11CInsects CTF 20197423.000015.768
25ENOWARS 31770.63433.213
145Google Capture The Flag 2019 (Quals)203.00004.865
1800CTF/TCTF 2019 Quals75.00001.545

Overall rating place: 272 with 71.214 pts in 2018

Country place: 13

PlaceEventCTF pointsRating points
45RuCTFE 2018131137.43004.852
285Square CTF 20189692.00002.624
174Teaser Dragon CTF 201878.00001.012
233IceCTF 20181635.00007.393
40Blaze CTF 20181680.00005.951
109VolgaCTF 2018 Quals360.00002.954
297ångstromCTF 20181020.00006.183
35Pragyan CTF 20181800.00004.391
163NeverLAN CTF 20181725.00003.534
78Xiomara CTF 2018400.00003.391
36Harekaze CTF 20181107.00009.451
27SharifCTF 81320.000015.324
16AceBear Security Contest 20182878.00007.735
41Insomni'hack teaser 2018394.00006.401

Overall rating place: 102 with 125.207 pts in 2017

Country place: 6

PlaceEventCTF pointsRating points
39RuCTFE 2017195921.67004.894
72TUCTF 20171675.00007.636
65RC3 CTF 2017550.00002.349
110HITCON CTF 2017 Quals498.00006.796
41DefCamp CTF Qualification 2017524.00002.690
598CSAW CTF Qualification Round 2017101.00000.428
29ASIS CTF Finals 20171023.00009.350
89Tokyo Westerns CTF 3rd 2017324.00004.394
56SHA2017 CTF1300.00006.963
29SECUINSIDE CTF Quals 2017760.00002.815
185Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier200.00001.005
46Google Capture The Flag 2017 (Quals)1049.00004.614
21FAUST CTF 20179985.22134.112
100RCTF 2017637.00001.278
54PlaidCTF 2017912.000015.577
261FIT-HACK CTF 2017500.00002.376
28ASIS CTF Quals 20171832.000014.140
10INS'hAck 20172148.000010.953
29Teaser CONFidence CTF 2017601.00002.748
72Nuit du Hack CTF Quals 2017620.00006.322
28VolgaCTF 2017 Quals1600.00009.322
730CTF 2017 Quals583.00004.700
26UCSB iCTF 2017165032.17073.374
8BSides San Francisco CTF4643.000019.193
51Hackcon Mini20.00000.625
3nullcon HackIM 4750.00005.908
63Codegate 2017 prequals480.00004.750
5BITSCTF 2017705.000016.435
66AlexCTF1990.000013.904
18Insomni'hack teaser 20171100.00008.697

Overall rating place: 74 with 188.007 pts in 2016

Country place: 6

PlaceEventCTF pointsRating points
7333C3 CTF675.00009.996
66The 318br, DESEC, and SucuriHC Capture The Flag (3DSCTF)1900.00005.147
61WhiteHat Grand Prix 2016200.00000.972
31SharifCTF 72428.000015.675
273SECCON 2016 Online CTF400.00001.956
36RC3 CTF 20163440.00009.353
12Qiwi-Infosec CTF-20164800.000010.768
17RuCTFE 2016748753.000014.720
38Hack The Vote 20161651.00007.360
48EKOPARTY CTF 20161625.000014.517
253Hackcon 2016501.00002.484
400IceCTF 2016891.00000.000
99Trend Micro CTF 2016 Online Qualifier500.00003.126
213SECUINSIDE CTF Quals 20161.00000.061
139BackdoorCTF 201670.00001.086
229ALICTF 20165.00000.076
33TU CTF 20162035.00008.945
53ASIS CTF Quals 2016502.00006.160
17Google Capture The Flag 20162780.000014.259
32Blaze CTF 2016420.00003.433
85PlaidCTF 2016701.000014.923
43Nuit du Hack CTF Quals 20161350.000016.505
91VolgaCTF 2016 Quals800.00004.056
63BCTF 2016560.00004.067
82Codegate CTF 2016 Quals523.00005.169
1020CTF 2016 Quals3.00001.927
141Boston Key Party CTF 201611.00007.301
132SSCTF 2016 Quals400.00000.849
207Internetwache CTF 2016830.00002.000
422Sharif University CTF 201650.00000.387
243Insomni'hack teaser 201650.00000.727

Overall rating place: 61 with 189.375 pts in 2015

Country place: 4

PlaceEventCTF pointsRating points
46FAUST CTF 20156839.00001.928
349SECCON 2015 Online CTF400.00001.984
2149447 Security Society CTF 2015222.00001.558
9RuCTFE 20154374426.800037.442
7TUM CTF Teaser265.00006.712
91WhiteHat Grand Prix – Qualification Round 2015100.00000.544
52EKOPARTY CTF 20151070.000010.461
175Hack.lu CTF 2015320.00003.352
8Hackover CTF 20151871.00002.775
24ASIS CTF Finals 20151251.000011.673
36Defcamp CTF Qualification 20152300.00005.218
71Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier1305.00004.778
167CSAW CTF Qualification Round 20151800.000010.735
52MMA CTF 1st 20151030.00007.873
101Camp CTF 2015100.00000.291
116PoliCTF 2015600.00003.899
197DEF CON CTF Qualifier 20152.00003.615
44ASIS CTF Quals 20151351.00007.729
57VolgaCTF 2015 Quals1875.00007.704
65Teaser CONFidence CTF 2015350.00000.806
79PlaidCTF 2015561.000010.152
11UCSB iCTF 201424.957515.120
97Nuit du Hack CTF Quals 2015550.00005.778
59BackdoorCTF 20151130.00008.869
540CTF 2015 Quals960.00004.234
243B-Sides Vancouver 201510.00000.039
228Boston Key Party CTF 2015270.00002.777
35WCTF - th3jackers250.00000.615
68Ghost in the Shellcode 2015650.000010.716
307Insomni'hack teaser 20150.00000.000

Overall rating place: 61 with 189.107 pts in 2014

Country place: 3

PlaceEventCTF pointsRating points
11RuCTFE 2014227044.290016.347
144SECCON CTF 2014 Online Qualifications1200.00004.390
2739447 Security Society CTF 201426.00000.259
51CSCAMP CTF Quals 20141350.00001.728
91Hack.lu CTF 20141550.000012.992
113Defcamp CTF Qualification 20141300.00001.269
47ASIS CTF Finals 20141175.00008.789
5MalCon 2014 Quals4.00003.000
101Sharif University CTF 2014860.00004.731
92CSAW CTF Qualification Round 20142760.000018.958
59No cON Name CTF Quals 20141200.00009.066
61HITCON CTF 2014842.00005.304
40Pwnium CTF 20141836.00009.019
154DEF CON CTF Qualifier 20143.00006.095
46ASIS CTF Quals 2014641.00003.967
57PlaidCTF 2014991.000011.098
59Nuit du Hack CTF Quals 2014850.000011.472
83VolgaCTF 2014 Quals700.00002.697
67RuCTF Quals 20141810.000012.687
50Boston Key Party CTF 2014675.00008.631
76Codegate CTF Preliminary 20141050.000014.260
47Olympic CTF Sochi 2014650.00008.705
131PHD CTF Quals 20144600.00004.286
83Ghost in the Shellcode 2014376.00007.722
61Break In 20141000.00001.635

Overall rating place: 57 with 211.776 pts in 2013

Country place: 7

PlaceEventCTF pointsRating points
36RuCTFE 201315.15301.946
61UCSB iCTF 20134093.000043.634
9rwthCTF 201335341.000025.872
103Hack.lu CTF 2013594.000010.023
163CSAW CTF Qualification Round 20132650.000013.172
46ASIS CTF Finals 2013489.00003.167
28EBCTF 20131700.000028.985
46UFO CTF 2013200.00001.670
32DIMVA CTF 2013400.00004.625
74SIGINT CTF 2013500.00004.774
168DEF CON CTF Qualifier 201315.000018.536
70Boston Key Party CTF 2013302.00003.407
97EBCTF Teaser 2013100.00001.353
106SECUINSIDE CTF Quals 2013700.00007.302
77PlaidCTF 2013520.000012.396
39UCSB iCTF 20120.32005.295
47ForbiddenBITS CTF 20131475.000013.948
54RuCTF Quals 2013500.00005.163
83Ghost in the Shellcode 2013350.00006.508

Overall rating place: 33 with 263.631 pts in 2012

Country place: 3

PlaceEventCTF pointsRating points
6629c3 CTF300.00003.766
40PHD CTF Quals 20121400.000015.983
14rwthCTF 20122.330023.702
11RuCTFE 201257.000046.264
10PoliCTF 20121545.000016.063
6CSCAMP CTF Quals 20122900.000010.455
34Hack.lu CTF 20121950.000022.248
49PlaidCTF 2012844.000015.391
64Nuit du Hack CTF Quals 20124000.00009.790
28ForbiddenBITS CTF 2012640.000012.950
8Mozilla CTF 20123679.000061.329
23Ghost in the Shellcode 20121250.000025.691

Overall rating place: 66 with 86.320 pts in 2011

PlaceEventCTF pointsRating points
18UCSB iCTF 2011364.000020.704
11RuCTFE 201143.000036.464
7rwthCTF 2011121608.000029.152
PlaceEventCTF pointsRating points
3RuCTFE 20100.00000.000
24UCSB iCTF 20102100.00000.000
PlaceEventCTF pointsRating points
15UCSB iCTF 20090.00000.000
PlaceEventCTF pointsRating points
2UCSB iCTF 200762214.00000.000
PlaceEventCTF pointsRating points
20UCSB iCTF 20060.00000.000

Team members

Team writeups

EventTaskAction
Google Capture The Flag 2017 (Quals)joe [92]read writeup
ASIS CTF Quals 2017Tar Bomb [129]read writeup
VolgaCTF 2017 QualsSharePoint [200]read writeup
IceCTF 2016Geocities [100]read writeup
Google Capture The Flag 2016Ill Intentions [150]read writeup
32C3 CTFlibdroid [150]read writeup
SECCON 2015 Online CTFReverse-Engineering Android APK 1 [100]read writeup
ASIS CTF Finals 2015Giloph [300]read writeup
ASIS CTF Finals 201510-SED [175]read writeup
ASIS CTF Finals 2015Strange [150]read writeup
rwthCTF 2012ezpz read writeup
RuCTFE 2012buster read writeup
Mozilla CTF 2012SecureFileLock [250]read writeup
Mozilla CTF 2012Hidden Challenge [100]read writeup
Mozilla CTF 2012Spark - Underwater Camouflage [250]read writeup
Mozilla CTF 2012Spark - Kill the Kraken [250]read writeup
Mozilla CTF 2012Spark - Things long forgotten [200]read writeup
Mozilla CTF 2012Buoy [250]read writeup