CTFtime.org

IT Srdnlen

Also known as
  • srdnlen()
  • Sardinia Len

Academic team University of Cagliari, Italy

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Participated in CTF events

Overall rating place: 52 with 491.094 pts in 2025

Country place: 4

PlaceEventCTF pointsRating points
61SECCON CTF 14 Quals883.000026.810
40Null CTF 20252853.00005.496
383HeroCTF v7432.00002.384
34LakeCTF Quals 25-261824.000034.595
13snakeCTF 2025 Finals1405.00004.609
68saarCTF 202513827.35128.328
79N1CTF 2025159.00004.492
93V1t CTF 20253115.00007.668
19m0leCon CTF 2026 Teaser842.000033.518
4QnQSec CTF 20258659.000025.956
17Securinets CTF Quals 20255066.000044.485
401jailCTF 202550.00000.142
22Ctrl+Space CTF Quals501.00004.405
24DefCamp Capture the Flag (D-CTF) 2025 Quals3112.000029.008
105ImaginaryCTF 20252386.000016.194
9snakeCTF 2025 Quals2143.000026.172
168World Wide CTF 20251853.00003.302
209UIUCTF 2025400.00008.191
61ENOWARS 916559.705737.583
834DownUnderCTF 2025500.00003.995
101Crypto CTF 2025161.00003.265
71L3akCTF 20252395.00004.387
103Google Capture The Flag 2025397.00005.980
1cornCTF 20257282.000046.240
36GPN CTF 2025811.00009.650
163TJCTF 20253759.000014.900
26D^3CTF 20251744.000015.412
14SAS CTF 2025 Quals2753.00006.973
22Midnight Sun CTF 2025 Quals1408.000036.130
1Cyshock - The Awakening3197.00000.000
10DamCTF 20257426.000063.039
2UniVsThreats 25 CTF5084.000027.417
9UMDCTF 202512739.000062.037
33DEF CON CTF Qualifier 2025565.000010.983
1Ulisse CTF 20257600.000049.620
58PlaidCTF 2025408.000011.138
1HackDay 2025 - Finals4283.00000.000
239Cyber Apocalypse CTF 2025: Tales from Eldoria36800.000015.588
1K!nd4SUS CTF 20259545.000037.400
33KalmarCTF 20251507.00006.859
4TRX CTF 20255183.000022.488
11LA CTF 202510360.000025.333
28Nullcon Goa HackIM 2025 CTF1975.000016.318
2HackDay 2025 - Qualifications4374.000028.268

Overall rating place: 63 with 400.419 pts in 2024

Country place: 6

PlaceEventCTF pointsRating points
130CTF 20242063.000027.876
6snakeCTF 2024 Finals1252.00000.000
103SECCON CTF 13 Quals307.00008.213
175 GlacierCTF 2024100.00000.663
81337UP LIVE CTF5931.000019.700
7N1CTF 20241501.000040.136
12HeroCTF v65580.000028.988
15Hack.lu CTF 20241316.000036.160
61TCP1P CTF 2024: Exploring Nusantara's Digital Realm961.00002.594
27BuckeyeCTF 20242909.000020.542
5DefCamp Capture the Flag (D-CTF) 2024 Quals3222.000038.036
23m0leCon CTF 2025 Teaser575.000013.790
3snakeCTF 2024 Quals6163.000029.545
232CSAW CTF Qualification Round 20241167.00004.066
22ENOWARS 831778.152862.869
49MOCA CTF - Quals50.00000.862
853ImaginaryCTF 2024454.00001.580
380HITCON CTF 2024 Quals50.00000.854
123DownUnderCTF 20242525.000015.097
19UIUCTF 20248622.000049.863
95Google Capture The Flag 2024351.00005.601
12Akasec CTF 20244701.00009.118
7 GPN CTF 20243342.000016.731
3L3akCTF 202419627.000030.318
28DEF CON CTF Qualifier 2024408.000010.842
6UMassCTF 20248058.000043.542
39PlaidCTF 2024576.000017.117
10TAMUctf 202411660.000040.961
17LINE CTF 20241457.000022.667
25Cyber Apocalypse 2024: Hacker Royale18800.000023.434
34bi0sCTF 20242715.000017.212
8LA CTF 202416098.000024.160
45DiceCTF 2024 Quals1541.000015.692
53Insomni'hack teaser 2024449.00006.707

Overall rating place: 46 with 421.397 pts in 2023

Country place: 6

PlaceEventCTF pointsRating points
1snakeCTF 20235857.000049.580
480TUCTF 202350.00000.182
9DefCamp CTF Finals 20231246.00000.000
19saarCTF 202356052.574653.374
238Square CTF 202376.00000.925
18CSAW CTF Final Round 20231553.00000.000
12RuCTF 2023157330.850024.018
14DefCamp Capture the Flag (D-CTF) 2023 Quals2485.000020.347
12Reply Cyber Security Challenge 20232104.00008.581
6SunshineCTF 20232896.000034.761
2TeamItaly CTF 20231537.000036.922
54CSAW CTF Qualification Round 20235039.000011.008
190HITCON CTF 2023 Quals50.00001.220
23DownUnderCTF 20236505.000027.326
37ImaginaryCTF 20232792.00007.412
34HTB Business CTF 2023: The Great Escape6975.00009.689
125Google Capture The Flag 2023422.00006.162
10GPN CTF 20235525.000011.794
14m0leCon CTF 2023 Teaser970.000021.997
19ångstromCTF 20232450.000070.002
13 HackPack CTF 20231957.000023.543
3RITSEC CTF 20238862.000039.191
4b01lers CTF5467.000037.884
45DiceCTF 20231244.00008.916
19Insomni'hack teaser 2023982.00006.176
11idekCTF 2022*10524.000014.038

Overall rating place: 56 with 319.254 pts in 2022

Country place: 3

PlaceEventCTF pointsRating points
2Hackappatoi CTF '229682.000034.762
11m0leCon CTF 202214969.00004.704
4BuckeyeCTF 20228607.000029.571
5Reply Cyber Security Challenge 20223564.000018.910
36TeamItaly CTF 2022883.00005.709
9Aero CTF 2022532.000015.709
28DiceCTF @ HOPE 20225058.000023.421
43FAUST CTF 202214013.518728.554
5HSCTF 910006.000034.103
324DEF CON CTF Qualifier 202211.00000.563
54saarCTF 20228397.38256.427
17m0leCon CTF 2022 Teaser892.000014.661
6EZ CTF | Beginner Friendly6940.00000.000
32ångstromCTF 20223431.000042.258
34b01lers CTF1290.000011.465
4RITSEC CTF 20228446.000032.893
9UTCTF 2025 202213081.000026.443
39DiceCTF 20221289.00005.654
72Insomni'hack teaser 2022175.00001.440

Overall rating place: 98 with 203.804 pts in 2021

Country place: 4

PlaceEventCTF pointsRating points
57OverTheWire Advent Bonanza 2021382.00000.000
9m0leCon CTF 2021402.00006.941
4SPbCTF's Student CTF 2021 Finals4269.860019.694
3Killer Queen CTF 20217546.000024.829
27Reply Cyber Security Challenge 20211808.000010.260
14SPbCTF's Student CTF 2021 Quals1894.000011.362
16DownUnderCTF 2021 (Online)6423.000011.089
3PBjar CTF '2111713.00000.000
69ALLES! CTF 2021588.00005.529
31CyBRICS CTF 20211554.000012.457
88Google Capture The Flag 2021401.00007.240
21redpwnCTF 20213153.000012.541
23CTFZone 20213581.00006.140
23HSCTF 814520.000020.848
26FAUST CTF 202114281.809039.391
8m0leCon CTF 2021 Teaser3072.000022.931
71DEF CON CTF Qualifier 2021343.00009.106
8WPICTF 20214101.00000.000
11Bambi CTF #515315.98067.501
41RITSEC CTF 20214585.00000.000
42ångstromCTF 20212885.000022.054
42VolgaCTF 2021 Qualifier1128.000010.490
31Aero CTF 2021783.00007.600
8darkCON CTF10077.000017.696
125justCTF [*] 2020331.00002.216

Overall rating place: 97 with 218.939 pts in 2020

Country place: 4

PlaceEventCTF pointsRating points
79hxp CTF 2020235.00003.920
76X-MAS CTF 20202412.00000.000
48ASIS CTF Finals 2020370.00009.227
21DefCamp CTF 2020 Online3386.000017.925
5CTF 313 2020189.000019.313
5SPbCTF's Student CTF 2020 Finals1279.21009.460
4SPbCTF's Student CTF 2020 Quals3458.000023.855
13Block CTF 20201001.000017.990
20KipodAfterFree CTF 20201366.00008.175
5mHackeCTF - Enterprise Edition9000.940018.675
16Reply Cyber Security Challenge 20201800.000016.211
3DownUnderCTF 20209489.000024.769
11RESTCON CTF2119.00002.938
58CyBRICS CTF 2020768.00003.123
35ENOWARS 415415.96434.904
16rgbCTF 202012056.000013.790
20redpwnCTF 202014243.000016.005
11HSCTF 712925.000020.726
24m0leCon CTF 2020 Teaser1161.00009.187
7SharkyCTF8759.000022.121
6WPICTF 20202726.000026.726
84Midnight Sun CTF 2020 Quals634.00006.129
20ångstromCTF 20204265.000026.839
24UTCTF 20209513.00008.717
18NeverLAN CTF 20205015.00005.278

Overall rating place: 643 with 39.342 pts in 2019

Country place: 17

PlaceEventCTF pointsRating points
31OverTheWire Advent Bonanza 20193051.00007.655
6TUCTF 201913518.000031.687
7picoCTF 201934201.00000.000

Organized CTF events

NameWeight
Srdnlen CTF 2025 Finals (Sardinia Cyber Camp)25.00
Srdnlen CTF 2025 Quals32.28
Srdnlen CTF 202324.17
Srdnlen CTF 202224.17

Team members

Team writeups

EventTaskAction
Google Capture The Flag 2021compression [154]read writeup
DEF CON CTF Qualifier 2021nooombers [127]read writeup
VolgaCTF 2021 Qualifierpenny wise [232]read writeup
DiceCTF 2021flippidy [149]read writeup
DownUnderCTF 2020VECC [499]read writeup
DownUnderCTF 2020Off the Rails 2: Electric Boogaloo: Far from Home [336]read writeup
DownUnderCTF 2020zombie [499]read writeup
DownUnderCTF 2020Disconfigured [500]read writeup
WPICTF 2020Dolla Dolla Dillz [200]read writeup
WPICTF 2020dorsia1 [100]read writeup
WPICTF 2020dont@me [200]read writeup