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

Academic team University of Porto

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Participated in CTF events

Overall rating place: 125 with 119.039 pts in 2018

PlaceEventCTF pointsRating points
119SECCON 2018 Online CTF631.00004.049
633HITCON CTF 201850.00000.745
43Hack.lu CTF 20181170.000017.104
22Hackover CTF 20181501.00007.396
394DefCamp CTF Qualification 20181.00000.054
432CSAW CTF Qualification Round 2018276.00001.563
715TokyoWesterns CTF 4th 201828.00000.511
240TJCTF 2018270.00002.952
58Real World CTF 2018 Quals66.00001.085
111CTFZone 2018 Quals106.00000.702
717Meepwn CTF Quals 2018100.00000.276
125Google Capture The Flag 2018 (Quals)234.00003.288
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 Quals310.00003.333
13HITB CTF Amstedam 20183914.00000.000
46INS'hAck 2018647.00003.037
6530CTF/TCTF 2018 Quals16.00000.188
52Nuit du Hack CTF Quals 20181301.000015.909
255SwampCTF 2018734.00001.711
316VolgaCTF 2018 Quals10.00000.158
11BackdoorCTF 20181425.000017.672
111b00t2root '1825.00000.335
275angstromCTF 20181070.00006.583
231UCSB iCTF 201840561.00009.149
237N1CTF 2018127.00000.395
71Pragyan CTF 20181350.00003.394
151NeverLAN CTF 20181860.00003.946
123Xiomara CTF 2018201.00001.778
453TAMUctf 18626.00002.431
150Harekaze CTF 2018180.00001.585
303EasyCTF IV991.00004.167
18EvlzCTF925.00007.018
13SharifCTF 82025.00002.804
87AceBear Security Contest200.00000.714
44Break In CTF 2018500.00003.398
20Insomni'hack teaser 2018523.00008.990
384RHme31.00000.000

Overall rating place: 80 with 145.089 pts in 2017

PlaceEventCTF pointsRating points
3934C3 CTF475.00008.557
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 CTF260.00003.811
135Juniors CTF 2017600.00002.340
22TUCTF 20172826.000013.251
135RC3 CTF 2017300.00001.249
57hxp CTF 2017473.00003.455
364HCTF 201710.00000.090
95CODE BLUE CTF 2017269.00001.355
72HITCON CTF 2017 Quals830.000011.270
140Pwn2Win CTF 2017198.00000.681
26Hack.lu CTF 20171876.000020.605
127Hack Dat Kiwi 2017230.00001.757
235DefCamp CTF Qualification 201710.00000.104
22BackdoorCTF 20172000.000022.352
6Codefest CTF 20171580.00006.339
95EKOPARTY CTF 2017975.00004.553
131CSAW CTF Qualification Round 20171726.00006.798
41SEC-T CTF975.00007.534
51ASIS CTF Finals 2017589.00005.369
81Tokyo Westerns CTF 3rd 2017380.00005.103
159WhiteHat Challenge 040.00000.000
28HackCon 2017436.00006.604
79HackIT CTF 2017370.00001.859
15HITB CTF Singapore 20173680.00008.644
360RHme3 - Qualifiers1.00007.250
79SHA2017 CTF1100.00005.834
98bugs_bunny ctf 2k17745.00003.233
197MeePwn CTF 1st 2017101.00000.415
32PoliCTF 20171292.00006.543
113SECUINSIDE CTF Quals 201760.00000.374
67Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier700.00003.432
35Google Capture The Flag 2017 (Quals)1356.00005.975
37SHA2017 CTF Teaser round250.00000.000
21Security Fest 20171170.00009.671
33WhiteHat Contest 13600.00003.606
99RCTF 2017637.00001.544
18UIUCTF 20171600.00009.973
75DEF CON CTF Qualifier 2017314.00008.584
48PlaidCTF 2017962.000016.478
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 20171.00000.119
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 2017700.00004.468
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 CTF1661.00006.131
64Hackcon Mini5.00000.322
43nullcon HackIM 2050.00001.947
104Codegate 2017 prequals150.00001.634
21BITSCTF 2017505.000010.472
28AlexCTF2540.000017.835
262Insomni'hack teaser 201750.00000.421

Overall rating place: 95 with 148.697 pts in 2016

PlaceEventCTF pointsRating points
8033C3 CTF600.00008.975
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 20164665.000013.006
22Qiwi-Infosec CTF-20163700.00008.001
29Hack The Vote 20161901.00008.571
43EKOPARTY CTF 20161700.000015.268
85Hack.lu CTF 2016423.000010.302
233HITCON CTF 2016 Quals100.00001.478
23Hackover CTF 201691.00003.632
160TUM CTF 2016145.00000.816
57DefCamp CTF Qualification 2016302.00001.596
648CSAW CTF Qualification Round 201676.00000.395
338ASIS CTF Finals 20163.00000.208
285Tokyo Westerns/MMA CTF 2nd 2016160.00001.495
145CTF(x) 2016151.00000.000
120Hackcon 2016651.00003.084
280SECUINSIDE CTF Quals 20161.00000.048
154BackdoorCTF 201610.00000.358
284ALICTF 20165.00000.064
139DEF CON CTF Qualifier 201681.00002.027
97TU CTF 2016885.00003.819
372ASIS CTF Quals 20161.00000.111
137Google Capture The Flag 2016755.00003.682
155Blaze CTF 2016420.00002.737
109PlaidCTF 2016502.000010.709
156Nuit du Hack CTF Quals 2016450.00005.327
72Pwn2Win CTF 2016180.00001.975
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

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
BackdoorCTF 2018shelter [200]read writeup
hxp CTF 2017hardened_flag_store [300 + 20]read writeup
Google Capture The Flag 2017 (Quals)Food [191]read writeup
Security Fest 2017Braindump [200]read writeup
HITB CTF Amsterdam 2017Transcoder [100]read writeup
Boston Key Party CTF 2017hiddensc [200]read writeup
Insomni'hack teaser 2017baby [50]read writeup
Qiwi-Infosec CTF-2016PWN 200_3 [200]read writeup
Hackover CTF 2016are_you_serialz [22]read writeup
SSCTF 2016 QualsHeHeDa [100]read writeup
ASIS CTF Finals 2015Calm Down [75]read writeup
Trend Micro CTF Asia Pacific & Japan 2015 Online QualifierProgramming 100 [100]read writeup
Trend Micro CTF Asia Pacific & Japan 2015 Online QualifierProgramming 200 [200]read writeup