CTFtime.org

US Kernel Sanders

Also known as
  • Kernel-Sanders
  • Kernel Sander
  • KernelSander
  • Kernel_Sanders
  • kernel-sande​rs
  • UFWiCyS
  • KernelSandersTeam
  • Kernel Sanders Team

Academic team UF's Kernel Sanders

Website: https://ufsit.club

Website: https://swampctf.com

Website: https://github.com/ufsit

Website: https://twitter.com/UFSIT

Website: http://ufsit.club

Sign in to join the team.



The University of Florida Student Infosec Team (UFSIT), aka Kernel Sanders, was founded in the Fall of 2006 by Jordan Wiens and John Sawyer shortly after their team’s (1@stplace) first win at the DefCon 14 Capture the Flag (CTF) competition.

Participated in CTF events

Overall rating place: 201 with 216.495 pts in 2025

Country place: 27

PlaceEventCTF pointsRating points
105m0leCon CTF 2026 Teaser100.00004.308
127EnigmaXplore 3.0450.00004.290
419jailCTF 202550.00000.140
138SunshineCTF 20251377.00009.458
323CrewCTF 202550.00000.370
105K17 CTF1890.00006.735
237[DELAYED] CSAW CTF Qualification Round 2025401.00000.863
55FortID CTF 20251599.00006.159
34ImaginaryCTF 20253630.000025.623
233Full Weak Engineer CTF 20251168.00002.343
191Lexington Informatics Tournament CTF 20251951.000019.518
828idekCTF 2025100.00000.640
805World Wide CTF 2025100.00000.201
385UIUCTF 2025200.00004.114
86DeadSec CTF 2025244.00001.201
583DownUnderCTF 2025804.00006.405
56Crypto CTF 2025462.00008.436
817L3akCTF 2025250.00000.452
261Google Capture The Flag 202550.00001.007
240GPN CTF 2025176.00002.009
358smileyCTF 2025110.00000.781
542bi0sCTF 2025 10.00000.223
516TJCTF 2025501.00002.043
494Grey Cat The Flag 2025200.00000.443
492N0PSctf400.00001.170
141NahamCon CTF 20253545.000012.394
420Midnight Sun CTF 2025 Quals17.00000.533
84BYUCTF 20253880.000012.432
55DamCTF 20253173.000025.446
34San Diego CTF 2025675.00004.419
90DevSecOps CTF 2025137.00007.790
315TsukuCTF 2025500.00000.000
116UMDCTF 20253290.000014.599
193UMassCTF 2025350.00001.612
304Midnight Flag CTF - INSURRECTION50.00000.181
271KalmarCTF 2025100.00000.512
372PwnMe CTF Quals 2025150.00000.452
507Kashi CTF 2025200.00000.421
59EHAX CTF 20251532.00003.908
255LA CTF 20252313.00005.055
67Nullcon Goa HackIM 2025 CTF941.00007.712

Overall rating place: 242 with 170.799 pts in 2024

Country place: 28

PlaceEventCTF pointsRating points
192LakeCTF Quals 24-2550.00000.537
789 GlacierCTF 202450.00000.137
27Crate-CTF 20242849.00007.765
120BlockCTF 2024 (Formerly SquareCTF)201.00003.304
64BlueHens CTF 20242323.00004.921
46Hackers N' Hops540.00007.062
45SpookyCTF 20246648.00009.202
188SunshineCTF 202461.00000.491
36BuckeyeCTF 20242363.000016.569
53PatriotCTF 20245952.000010.950
17RSTCON 2024 CTF (Online/Hybrid)4375.000014.496
498m0leCon CTF 2025 Teaser50.00001.057
88CSAW CTF Qualification Round 20243668.000012.732
86PlaidCTF 2024101.00003.680
214UTCTF 20242597.00006.302
145vikeCTF 2024300.00002.067
348LA CTF 20241929.00002.593
127Ugra CTF Quals 2024400.00002.864
237DiceCTF 2024 Quals233.00002.419
706TetCTF 2024100.00000.867
1035Real World CTF 6th32.00001.448

Overall rating place: 622 with 71.571 pts in 2023

Country place: 66

PlaceEventCTF pointsRating points
740CTF/TCTF 202319.00001.505
133pingCTF 2023350.00001.812
206TUCTF 2023310.00000.951
225 GlacierCTF 2023160.00000.709
48Square CTF 2023726.00008.055
3321337UP LIVE CTF400.00000.725
144CakeCTF 2023338.00000.000
165TSG CTF 2023200.00001.263
326FE-CTF 2023: The UniPwnie Experience16.00000.080
101Questcon CTF917.000013.793
78DefCamp Capture the Flag (D-CTF) 2023 Quals381.00003.166
121Hack.lu CTF 2023175.00003.965
96ASIS CTF Quals 2023131.00003.365
154CSAW CTF Qualification Round 20231627.00003.565
5Cyber Heroines CTF4700.000025.246
395RITSEC CTF 2023416.00001.438
39KalmarCTF 20231940.00003.504
74pbctf 2023132.00001.723
180Incognito 4.01503.00002.534
260LA CTF 20232726.00004.378
318DiceCTF 2023112.00000.845
208bi0sCTF 202210.00000.304

Overall rating place: 555 with 61.854 pts in 2022

Country place: 61

PlaceEventCTF pointsRating points
249NahamCon EU 2022 CTF 450.00000.926
54KITCTFCTF 2022991.00002.530
52Hackappatoi CTF '221144.00003.123
34InfoSec CTF 2022500.00000.000
72TUCTF 20222274.00004.564
92GlacierCTF 2022250.00001.569
296HITCON CTF 202279.00001.429
89SunshineCTF 2022313.00001.830
190Square CTF 2022201.00001.827
70ISITDTU CTF 2022 Quals310.00002.054
46BuckeyeCTF 20222513.00007.362
112N1CTF 2022108.00001.242
220ASIS CTF Quals 202261.00001.827
186GDG Algiers CTF 2022221.00000.501
128WRECKCTF 20222135.00005.206
250SekaiCTF 2022349.00000.885
295DownUnderCTF 2022 (Online) 983.00002.011
820CTF/TCTF 2022214.00003.732
140CSAW CTF Qualification Round 20221627.00004.439
307corCTF 2022215.00000.699
36UIUCTF 20221901.00007.706
200ImaginaryCTF 20221450.00003.315
284justCTF 202250.00000.395
97n00bzCTF 20221700.00002.025
44TJCTF 20223004.00008.197
837ångstromCTF 2022200.00002.423
405NahamCon CTF 20221676.00001.678
72b01lers CTF657.00005.803
242TAMUctf 2022400.00001.235
376CrewCTF 202210.00000.063
258DCTF 2022200.00000.739
81Winja CTF | Nullcon Berlin 2022192.00001.331
127PlaidCTF 202226.00001.549
95HackPack CTF 2022400.00003.694
47Space Heroes 20222776.00006.206
338RITSEC CTF 2022200.00000.685
42Wolverine Security Conference/CTF4361.00008.483
80zer0pts CTF 2022423.00003.099
170UMDCTF 20221085.00001.484
171TSJ CTF 2022100.00000.835
71MHSCTF 2022760.00000.000
225DiceCTF 2022229.00001.002
194Insomni'hack teaser 20228.00000.162
280KnightCTF 20221150.00003.887

Overall rating place: 235 with 109.947 pts in 2021

Country place: 26

PlaceEventCTF pointsRating points
210X-MAS CTF 2021 Second Weekend213.00000.322
97SECCON CTF 2021268.00004.922
73idekCTF 20211203.00002.089
92HITCON CTF 202192.00002.218
1462021 Metasploit community CTF300.00004.154
88Dragon CTF 2021235.00007.223
50Block CTF 2021200.00003.769
24K3RN3LCTF3147.00007.850
24DamCTF 20214324.000013.992
81Hack.lu CTF 2021468.00009.120
312ASIS CTF Quals 202151.00001.737
26DEADFACE CTF5958.000014.278
87pbctf 2021326.00001.818
14TastelessCTF 20211409.000015.405
188DownUnderCTF 2021 (Online)2109.00003.269
6SunshineCTF 20211563.000018.701
237PBjar CTF '211317.00000.000
243CSAW CTF Qualification Round 20211095.00000.000
218UIUCTF 2021413.00001.001
409redpwnCTF 2021939.00003.352
125WeCTF 2021681.00000.000
697HSCTF 8722.00001.019
121m0leCon CTF 2021 Teaser127.00001.024
118DCTF 20212850.00000.000
10DawgCTF 20215305.00000.000
179WPICTF 2021100.00000.000
296PlaidCTF 20211.00000.353
701RITSEC CTF 202110.00000.000
165b01lers CTF200.00000.000
223ångstromCTF 20211075.00008.015
100UTCTF 20217523.00007.624
63NahamCon CTF 20217986.00007.141
507zer0pts CTF 202150.00000.284
29Aero CTF 2021790.00007.736
177DiceCTF 2021339.00001.910
100x41414141 CTF15277.00000.000
80BambooFox CTF 2021456.00002.429
190*CTF 2021253.00000.677
118Real World CTF 3rd41.00000.775
472TetCTF 2021100.00000.317

Overall rating place: 74 with 264.663 pts in 2020

Country place: 10

PlaceEventCTF pointsRating points
150Brixel CTF winter edition425.00000.000
388X-MAS CTF 2020116.00000.000
62boot2root 20201466.00002.554
111DefCamp CTF 2020 Online250.00001.496
50pbctf 2020368.00002.131
153HITCON CTF 202050.00001.613
57Balsn CTF 2020490.00001.912
3Block CTF 20201751.000038.454
25SunshineCTF 20201315.00009.310
19CSAW CTF Final Round 20202251.000015.012
463KipodAfterFree CTF 20205.00000.079
15CyberSecurityRumble CTF4719.000013.762
5Hack The Vote 20201145.000010.188
109Hack.lu CTF 2020615.000011.118
47mHackeCTF - Enterprise Edition803.00001.752
142N1CTF 2020171.00000.813
117BSides Delhi CTF 2020100.00000.456
4DamCTF 20208494.000024.994
20b01lers CTF bootcamp3955.000016.367
67Trend Micro CTF 2020 - Raimund Genes Cup - Online Qualifier100.00000.491
205TastelessCTF 20201.00000.127
20BalCCon2k20 CTF1751.00005.435
19Evlz CTF 3.0226.00003.615
38DarkCTF9686.00009.755
40EKOPARTY CTF 20206027.000010.477
45DownUnderCTF 20203999.00007.548
10CSAW CTF Qualification Round 20203655.000054.855
31HacktivityCon CTF3945.000010.488
1redpwnCTF 202021671.000045.260
194Zh3r0 CTF1233.00001.304
33WeCTF 20201178.00003.708
3NahamCon CTF6765.000030.225
775Really Awesome CTF 2020250.00000.353
3322020 Defenit CTF100.00000.205
388Pwn2Win CTF 202050.00000.817
409Hack-A-Sat Qualifiers16.00000.162
265m0leCon CTF 2020 Teaser53.00000.465
688TJCTF 202090.00000.737
491SharkyCTF170.00000.411
714WPICTF 20201.00000.051
659PlaidCTF 20201.00000.156
142DawgCTF 20202345.00005.116
89VolgaCTF 2020 Qualifier810.00006.679
154TAMUctf 20201715.00000.000
7b01lers CTF3303.000014.616
328ångstromCTF 20201200.00007.195
126zer0pts CTF 2020358.00000.913
41UTCTF 20206600.00005.936
47BSidesSF 2020 CTF422.00001.475
460NeverLAN CTF 2020990.00000.998
101nullcon HackIM 2020612.00003.441
47HackTM CTF Quals 20201874.00004.926
134riceteacatpanda3630.00002.598

Overall rating place: 74 with 243.518 pts in 2019

Country place: 9

PlaceEventCTF pointsRating points
78BambooFox CTF430.00000.000
173hxp 36C3 CTF70.00000.724
3UTC-CTF 2019 Teaser5133.00000.000
313KipodAfterFree CTF 201911.00000.323
138X-MAS CTF 20191238.00001.639
81OverTheWire Advent Bonanza 2019986.00002.518
20TUCTF 201912519.000026.511
335D^3CTF 201910.00000.000
49RITSEC CTF 20193191.00005.600
30CSAW CTF Final Round 20191551.000013.229
29Newbie CTF(N-CTF) 20198923.00000.000
42BackdoorCTF 2019201.00003.375
35TastelessCTF 2019470.00003.038
48Hack.lu CTF 2019946.00008.992
85SECCON 2019 Online CTF921.00006.048
197Rooters CTF247.00000.747
407Syskron Security CTF 2019210.00000.630
560Syskron Security CTF 201910.00000.630
86Balsn CTF 2019106.00000.622
74PwnThyBytes CTF 20191.00000.341
1190picoCTF 20199800.00000.000
137InCTF 2019150.00000.948
19SEC-T CTF 20192118.00008.757
228Newark Academy CTF 20193210.00008.913
21CSAW CTF Qualification Round 20193301.000027.851
105DefCamp CTF Qualification 2019105.00000.763
23Affinity CTF 2019 - Quals1561.00005.524
57N1CTF 2019239.00001.264
70TokyoWesterns CTF 5th 2019604.000017.277
56Chaos Communication Camp 2019294.00002.218
17h4ckc0n 20193640.000011.573
116Crypto CTF 2019162.00001.079
268De1CTF 2019151.00000.417
171CyBRICS CTF Quals 2019120.00000.958
18HSCTF 611955.000017.173
84Facebook CTF 20191982.00002.427
97Security Fest 2019392.00002.343
65Harekaze CTF 2019510.00004.346
90RCTF 2019319.00001.398
30TSG CTF858.00003.391
75INS'hAck 2019657.00004.154
295UUTCTF 201960.00000.382
12Blaze CTF 20192520.000020.058
101ASIS CTF Quals 2019182.00002.581
190ångstromCTF 2019770.00003.378
98Midnight Sun CTF 2019 Quals307.00001.254
19SunshineCTF 20191955.000014.332
106b00t2root '19438.00001.660
200VolgaCTF 2019 Qualifier300.00002.634
610CTF/TCTF 2019 Quals625.000010.499
72CONFidence CTF 2019 Teaser253.00002.667
23UCSB iCTF 201971.000025.944
41UTCTF 20194050.00004.266
30Pragyan CTF 20192325.000015.378
24Aero CTF 20192135.00008.623
25BSidesSF 2019 CTF690.00003.730
26TAMUctf 1917477.000030.128
5STEM CTF: Cyber Challenge 20191750.000018.498
57nullcon HackIM 20191039.00003.347
76FireShell CTF 2019502.00002.124
66Insomni'hack teaser 2019198.00003.934

Overall rating place: 144 with 123.772 pts in 2018

Country place: 13

PlaceEventCTF pointsRating points
14235C3 CTF94.00002.892
146X-MAS CTF 2018960.00001.918
141OtterCTF325.00001.232
28OverTheWire Advent Bonanza 20181601.00005.915
21Pwn2Win CTF 20181126.00008.792
100BCTF 2018231.00000.687
11RITSEC CTF 20184636.000014.651
139HCTF 2018140.84000.508
126Square CTF 201825685.00006.919
112SECCON 2018 Online CTF729.00004.711
26P.W.N. CTF1172.00006.378
35BSides Delhi CTF 2018876.00005.719
59HITCON CTF 2018566.00008.356
65Hack.lu CTF 2018907.000013.457
14HumanCTF880.00000.497
35Hackover CTF 20181006.00004.912
201Teaser Dragon CTF 201878.00000.992
166picoCTF 201820935.00000.000
136CSAW CTF Qualification Round 20181451.00008.124
298IceCTF 20181435.00006.479
160TokyoWesterns CTF 4th 2018277.00004.429
335h4ckc0n 201860.00000.944
329CODE BLUE CTF 2018 Quals38.00000.316
146ISITDTU CTF 2018 Quals110.00000.344
243CTFZone 2018 Quals1.00000.103
283Meepwn CTF Quals 2018200.00000.570
4STEM CTF: Cyber Challenge 20181400.00000.000
121Blaze CTF 2018420.00001.536
73SunshineCTF 2018851.00001.947
279EasyCTF IV1080.00000.000
79nullcom HackIM 2018601.00002.134
92EvlzCTF200.00001.493
347Insomni'hack teaser 201837.00000.618

Overall rating place: 353 with 43.776 pts in 2017

Country place: 47

PlaceEventCTF pointsRating points
143Juniors CTF 2017500.00001.968
89hxp CTF 2017260.00001.961
82HCTF 2017171.54000.663
256HITCON CTF 2017 Quals50.00000.890
111Pwn2Win CTF 2017281.00001.359
9UConn CyberSEED 20171125.00000.000
174Hack Dat Kiwi 2017175.00001.332
56Kaspersky Industrial CTF Quals 20171500.00004.491
155DefCamp CTF Qualification 201752.00000.324
112CSAW CTF Qualification Round 20171976.00007.787
169PoliCTF 2017120.00000.670
187Google Capture The Flag 2017 (Quals)204.00000.922
14SunshineCTF 2017876.00002.163
63VolgaCTF 2017 Quals1050.00005.943
3900CTF 2017 Quals12.00000.190
306UCSB iCTF 20175824.83070.186
249Pragyan CTF 2017210.00000.655
61nullcon HackIM 1651.00001.556
86BITSCTF 2017150.00003.005
71AlexCTF1940.000013.543
329Insomni'hack teaser 201750.00000.406
PlaceEventCTF pointsRating points
90TUM CTF 2016277.00001.549
207SunshineCTF 2016100.00000.287
2310CTF 2016 Quals1.00000.686
5790CTF 2016 Quals1.00000.686

Overall rating place: 465 with 19.261 pts in 2015

Country place: 56

PlaceEventCTF pointsRating points
219SECCON 2015 Online CTF800.00003.933
333TUM CTF Teaser0.00000.000
199EKOPARTY CTF 2015290.00002.828
245Hack.lu CTF 2015110.00001.300
175HITCON CTF 2015 Quals1.00000.296
211CSAW CTF Qualification Round 20151410.00008.411
184MMA CTF 1st 2015330.00002.493

Overall rating place: 358 with 27.836 pts in 2014

Country place: 49

PlaceEventCTF pointsRating points
389CSAW CTF Qualification Round 20141160.00007.888
189DEF CON CTF Qualifier 20143.00005.986
320Olympic CTF Sochi 201410.00000.302
53Ghost in the Shellcode 2014676.000013.660

Overall rating place: 436 with 23.369 pts in 2013

Country place: 52

PlaceEventCTF pointsRating points
61rwthCTF 20131073.00001.436
334Hack.lu CTF 20133.00000.257
160CSAW CTF Qualification Round 20132700.000013.421
71Ghost in the Shellcode 2013450.00008.255

Overall rating place: 231 with 30.677 pts in 2012

Country place: 32

PlaceEventCTF pointsRating points
56rwthCTF 20120.02001.238
54PoliCTF 2012300.00003.083
204Hack.lu CTF 2012200.00002.414
301CSAW CTF Qualification Round 20121500.00007.192
426CSAW CTF Qualification Round 2012600.00007.192
133DEF CON CTF Qualifier 2012600.000012.997
207PlaidCTF 201225.00000.836
189ForbiddenBITS CTF 20120.00000.000

Overall rating place: 68 with 82.034 pts in 2011

PlaceEventCTF pointsRating points
43UCSB iCTF 2011154.00000.000
18rwthCTF 2011106890.00000.000
20CSAW CTF Qualification Round 20118600.00000.000
123DEF CON CTF Qualifier 2011500.00000.000
PlaceEventCTF pointsRating points
40UCSB iCTF 20090.00000.000

Organized CTF events

NameWeight
SwampCTF 202540.40
SwampCTF 202440.40
SwampCTF 20220.00
SwampCTF 201922.35
SwampCTF 201822.35

Team members

Team writeups

EventTaskAction
CyberSecurityRumble CTFweirdcomputer [300 + 174]read writeup
DamCTF 2020misc/electric-bovine [468]read writeup
b01lers CTF bootcamporacle [100]read writeup
csictf 2020Archenemy read writeup
redpwnCTF 2020SMarT-solver [475]read writeup
UTC-CTF 2019 Teasershellme read writeup
TUCTF 2019vulnmath read writeup
TUCTF 2019thefirst [379]read writeup
SECCON 2019 Online CTFsum [289]read writeup
SwampCTF 2019We Three Keys [144]read writeup
SwampCTF 2019Ghidra Release [310]read writeup
TAMUctf 19Bird Box Challenge [478]read writeup
nullcon HackIM 2019babypwn [495]read writeup
HITCON CTF 2018Super Hexagon [236]read writeup
nullcom HackIM 2018Exploitation 2 [300]read writeup
Kaspersky Industrial CTF Quals 2017Security home cameras [300]read writeup
Kaspersky Industrial CTF Quals 2017web keygen [700]read writeup
ASIS CTF Finals 2017Greg Lestrade [55]read writeup
Google Capture The Flag 2017 (Quals)Inst Prof [152]read writeup
VolgaCTF 2017 QualsTime Is [150]read writeup
RC3 CTF 2016Logmein [100]read writeup
RC3 CTF 2016Salad [100]read writeup
RC3 CTF 2016Somepang [50]read writeup
Hack The Vote 2016Vermatrix Supreme [100]read writeup
CSAW CTF Qualification Round 2016Sleeping Guard [50]read writeup
Google Capture The Flag 2016For2 [200]read writeup