CTFtime.org

PT xSTF

Also known as
  • Extreme Security Task Force
  • ExtremeSecurityTaskForce
  • ExtremeSTF

Academic team University of Porto

Website: https://msi.dcc.fc.up.pt

Sign in to join the team.

Participated in CTF events

Overall rating place: 123 with 42.320 pts in 2020

Country place: 3

PlaceEventCTF pointsRating points
171FireShell CTF 2020200.00000.649*
85Securinets CTF Quals 20201119.00002.132*
42ångstromCTF 20203655.000022.434*
530UTCTF 2020202.00000.210
180Aero CTF 2020200.00000.792
213NeverLAN CTF 20202340.00002.356
50nullcon HackIM 20201256.00007.057
50HackTM CTF Quals 20201805.00004.721
221Insomni'hack teaser 202072.00001.969

Overall rating place: 191 with 115.891 pts in 2019

Country place: 3

PlaceEventCTF pointsRating points
224hxp 36C3 CTF35.00000.461
55Inferno CTF 20191213.00007.057
47justCTF 2019639.00003.090
65X-MAS CTF 20192686.00003.534
140OverTheWire Advent Bonanza 2019416.00001.189
41Hack.lu CTF 20191243.000011.499
173HITCON CTF 2019 Quals155.00003.033
36Rooters CTF2666.00007.406
208Teaser Dragon CTF 201968.00000.833
76InCTF 2019421.00002.390
20Newark Academy CTF 20197260.000021.767
177CSAW CTF Qualification Round 2019601.00004.926
44DefCamp CTF Qualification 2019762.00004.453
643N1CTF 201912.00000.080
194TokyoWesterns CTF 5th 2019200.00005.762
168redpwnCTF 2019852.00001.630
208ISITDTU CTF 2019 Quals110.00000.281
244Google Capture The Flag 2019 (Quals)92.00002.304
113Facebook CTF 20191350.00001.671
54RCTF 2019907.00003.504
16INS'hAck 20191831.000012.278
122ångstromCTF 20191010.00004.535
67PlaidCTF 20191061.000018.831
103Midnight Sun CTF 2019 Quals307.00001.242
277VolgaCTF 2019 Qualifier150.00001.451
51Securinets CTF Quals 20194747.00004.939
9020CTF/TCTF 2019 Quals1.00000.103
144CONFidence CTF 2019 Teaser60.00000.724
76BSidesSF 2019 CTF315.00001.575
235TAMUctf 197354.000012.214
108NeverLAN CTF 20195035.000012.584
46Insomni'hack teaser 2019335.00006.494

Overall rating place: 109 with 139.355 pts in 2018

Country place: 2

PlaceEventCTF pointsRating points
13835C3 CTF94.00002.912
118X-MAS CTF 20181302.00002.571
146hxp CTF 2018103.00001.559
78BCTF 2018231.00000.404
14TUCTF 20189655.000026.668
61Kaspersky Industrial CTF 201850.00000.503
119SECCON 2018 Online CTF631.00004.049
633HITCON CTF 201850.00000.745
43Hack.lu CTF 20181170.000017.322
22Hackover CTF 20181501.00007.365
394DefCamp CTF Qualification 20181.00000.053
432CSAW CTF Qualification Round 2018276.00001.563
715TokyoWesterns CTF 4th 201828.00000.512
240TJCTF 2018270.00002.952
58Real World CTF 2018 Quals66.00001.084
111CTFZone 2018 Quals106.00000.696
717Meepwn CTF Quals 2018100.00000.276
125Google Capture The Flag 2018 (Quals)234.00003.284
209RCTF 2018125.00000.384
50PlaidCTF 2018651.000013.131
24ASIS CTF Quals 20181470.000016.086
132Blaze CTF 2018420.00001.520
37BSidesSF CTF 2018205.00000.000
40Midnight Sun CTF 2018 Quals310.00003.334
13HITB CTF Amstedam 20183914.00000.000
46INS'hAck 2018647.00003.037
6530CTF/TCTF 2018 Quals16.00000.188
52Nuit du Hack CTF Quals 20181301.000016.007
255SwampCTF 2018734.00001.712
316VolgaCTF 2018 Quals10.00000.158
11BackdoorCTF 20181425.000017.781
111b00t2root '1825.00000.333
275ångstromCTF 20181070.00006.597
231UCSB iCTF 201840561.00009.149
237N1CTF 2018127.00000.394
71Pragyan CTF 20181350.00003.394
151NeverLAN CTF 20181860.00000.000
123Xiomara CTF 2018201.00001.778
453TAMUctf 18626.00002.431
150Harekaze CTF 2018180.00001.585
303EasyCTF IV991.00000.000
18EvlzCTF925.00006.855
13SharifCTF 82025.00003.253
87AceBear Security Contest 2018200.00000.714
44Break In CTF 2018500.00003.365
20Insomni'hack teaser 2018523.00008.990
384RHme31.00000.000

Overall rating place: 82 with 146.070 pts in 2017

Country place: 2

PlaceEventCTF pointsRating points
3934C3 CTF475.00008.500
68InCTF 2017100.00000.914
75 The 318br, DESEC and SucuriHC Capture The Flag (3DSCTF)1442.00002.516
315SECCON 2017 Online CTF700.00003.376
73Takoma Park CTF260.00003.784
135Juniors CTF 2017600.00002.340
22TUCTF 20172826.000013.307
135RC3 CTF 2017300.00001.236
57hxp CTF 2017473.00003.485
364HCTF 201710.00000.090
95CODE BLUE CTF 2017269.00001.355
72HITCON CTF 2017 Quals830.000011.239
140Pwn2Win CTF 2017198.00000.674
26Hack.lu CTF 20171876.000021.244
127Hack Dat Kiwi 2017230.00001.741
99Square CTF 20171260.00005.740
235DefCamp CTF Qualification 201710.00000.104
22BackdoorCTF 20172000.000022.352
6Codefest CTF 20171580.00006.339
95EKOPARTY CTF 2017975.00004.537
131CSAW CTF Qualification Round 20171726.00006.798
41SEC-T CTF975.00007.399
51ASIS CTF Finals 2017589.00005.369
81Tokyo Westerns CTF 3rd 2017380.00005.091
159WhiteHat Challenge 040.00000.000
28HackCon 2017436.00006.831
79HackIT CTF 2017370.00001.859
15HITB CTF Singapore 20173680.00008.644
360RHme3 - Qualifiers1.00008.403
79SHA2017 CTF1100.00005.829
98bugs_bunny ctf 2k17745.00003.359
197MeePwn CTF 1st 2017101.00000.415
32PoliCTF 20171292.00006.750
113SECUINSIDE CTF Quals 201760.00000.374
67Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier700.00003.432
35Google Capture The Flag 2017 (Quals)1356.00005.959
37SHA2017 CTF Teaser round250.00000.000
21Security Fest 20171170.00009.548
33WhiteHat Contest 13600.00003.606
99RCTF 2017637.00001.544
18UIUCTF 20171600.000010.026
75DEF CON CTF Qualifier 2017314.00008.584
48PlaidCTF 2017962.000016.529
8Insigne CTF265.00000.000
274BCTF 201764.00000.164
8HITB CTF Amsterdam 20171700.000011.218
179TAMUctf 2017830.00004.092
126FIT-HACK CTF 20171250.00005.862
15Sunshine CTF 2017826.00002.036
331ASIS CTF Quals 20171.00000.121
16INS'hAck 20171748.00008.504
66Teaser CONFidence CTF 2017201.00000.955
31Nuit du Hack CTF Quals 20171100.000011.231
139April Fools' GTF 2017605.00000.000
16Securinets CTF Quals 2017700.00004.248
119VolgaCTF 2017 Quals700.00003.945
3870CTF 2017 Quals12.00000.191
160EasyCTF 20171910.00000.000
150UCSB iCTF 201710270.63830.257
37Pragyan CTF 20171185.00003.894
62Xiomara CTF 2017451.00002.265
35VolgaCTF 2017 Teaser100.00000.000
76Boston Key Party CTF 2017751.000010.377
63BSides San Francisco CTF1661.00006.139
64Hackcon Mini5.00000.333
43nullcon HackIM 2050.00001.947
104Codegate 2017 prequals150.00001.634
21BITSCTF 2017505.000010.614
28AlexCTF2540.000017.959
262Insomni'hack teaser 201750.00000.421

Overall rating place: 95 with 148.981 pts in 2016

Country place: 2

PlaceEventCTF pointsRating points
8033C3 CTF600.00008.914
18The 318br, DESEC, and SucuriHC Capture The Flag (3DSCTF)5701.000015.678
67SharifCTF 71151.00007.399
265SECCON 2016 Online CTF400.00001.959
82Juniors CTF 20162200.00000.000
16RC3 CTF 20164665.000012.874
22Qiwi-Infosec CTF-20163700.00008.001
29Hack The Vote 20161901.00008.571
43EKOPARTY CTF 20161700.000015.215
85Hack.lu CTF 2016423.000010.622
233HITCON CTF 2016 Quals100.00001.474
23Hackover CTF 201691.00003.620
160TUM CTF 2016145.00000.824
57DefCamp CTF Qualification 2016302.00001.596
648CSAW CTF Qualification Round 201676.00000.395
338ASIS CTF Finals 20163.00000.208
285Tokyo Westerns/MMA CTF 2nd 2016160.00001.491
145CTF(x) 2016151.00000.000
120Hackcon 2016651.00003.190
280SECUINSIDE CTF Quals 20161.00000.048
154BackdoorCTF 201610.00000.358
284ALICTF 20165.00000.064
139DEF CON CTF Qualifier 201681.00002.027
97TU CTF 2016885.00003.835
372ASIS CTF Quals 20161.00000.113
137Google Capture The Flag 2016755.00003.672
155Blaze CTF 2016420.00002.832
109PlaidCTF 2016502.000010.742
156Nuit du Hack CTF Quals 2016450.00005.327
72Pwn2Win CTF 2016180.00001.954
102VolgaCTF 2016 Quals650.00003.345
131BCTF 2016160.00001.220
254Sunshine CTF 201650.00000.151
1990CTF 2016 Quals1.00000.715
108Boston Key Party CTF 201615.00009.931
258SSCTF 2016 Quals110.00000.231
438Sharif University CTF 201650.00000.384

Overall rating place: 213 with 49.844 pts in 2015

Country place: 2

PlaceEventCTF pointsRating points
23632C3 CTF150.00001.725
137SECCON 2015 Online CTF1300.00006.387
429447 Security Society CTF 20151237.00008.615
84RuCTFE 2015404075.89003.557
121TUM CTF Teaser21.00000.471
96WhiteHat Grand Prix – Qualification Round 2015100.00000.533
87EKOPARTY CTF 2015690.00006.710
122Hack.lu CTF 2015580.00005.924
361HITCON CTF 2015 Quals1.00000.148
104Hackover CTF 2015271.00000.359
93ASIS CTF Finals 2015251.00002.438
193Defcamp CTF Qualification 2015401.00000.913
209Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier400.00001.474
433MMA CTF 1st 201550.00000.437
134PoliCTF 2015500.00003.257
146DEF CON CTF Qualifier 20153.00005.353
55UCSB iCTF 20141.71881.542

Organized CTF events

NameWeight
eCrimeCTF20170.00

Team members

Team writeups

EventTaskAction
INS'hAck 2019Drone motion [50]read writeup