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FINAL ROUND

openECSC - FINAL ROUND

OPENECSC
FINAL ROUND

The final round of openECSC was held online from 10:00 UTC on September 21st 2024 to 10:00 UTC on September 22nd 2024 and saw the participation of nearly 300 players from 40 countries around the world who challenged each other during the 24 hours to solve the 16 challenges proposed by the organizers.
This final round was won again by Popax21 from Austria, followed by adragos from Romania and ๐Ÿ๐Ÿ• from Canada.
The proposed challenges are available to be played on the openECSC portal and their source codes are available in the ECSC2024 GitHub repository.
Discover the three authors winners for the best writeup competition of the final openECSC round:
The final scoreboard at the end of the round can be found below:
#ScorePlayerCountry
We will miss you!
PrettyPrimes
Encrygnature
A key-homomorphic, chameleon stream cipher
Check da box
Malware and snapshots
chmod 772
CTF-TeaMS
middleout
Backfired
Hack the matrix
Reflect
bend-ell
Quokkey
Slurm!
Simple MD Server
Final round
13128Popax21AUT ๐Ÿ‡ฆ๐Ÿ‡น
22680adragosROU ๐Ÿ‡ท๐Ÿ‡ด
32680๐Ÿ ๐Ÿ•CAN ๐Ÿ‡จ๐Ÿ‡ฆ
42680QynNLD ๐Ÿ‡ณ๐Ÿ‡ฑ
52066:///DEU ๐Ÿ‡ฉ๐Ÿ‡ช
61985HiumeeROU ๐Ÿ‡ท๐Ÿ‡ด
71786c0nradUSA ๐Ÿ‡บ๐Ÿ‡ธ
817310xJJ8NLD ๐Ÿ‡ณ๐Ÿ‡ฑ
91661molenzwiebelNLD ๐Ÿ‡ณ๐Ÿ‡ฑ
101595RoundofThreeESP ๐Ÿ‡ช๐Ÿ‡ธ
111496rebane2001EST ๐Ÿ‡ช๐Ÿ‡ช
121483hltWORLD ๐Ÿšฉ
131451ChBDEU ๐Ÿ‡ฉ๐Ÿ‡ช
1413740x6fe1be2AUT ๐Ÿ‡ฆ๐Ÿ‡น
151305minipifROU ๐Ÿ‡ท๐Ÿ‡ด
161281marko312EST ๐Ÿ‡ช๐Ÿ‡ช
171276zeskiSVN ๐Ÿ‡ธ๐Ÿ‡ฎ
181132lrnzsirITA ๐Ÿ‡ฎ๐Ÿ‡น
191106M4rkNLD ๐Ÿ‡ณ๐Ÿ‡ฑ
20847salvatore.abelloITA ๐Ÿ‡ฎ๐Ÿ‡น
21816girogioMLT ๐Ÿ‡ฒ๐Ÿ‡น
22788c0mm4nd_ITA ๐Ÿ‡ฎ๐Ÿ‡น
23781LevitatingLionDEU ๐Ÿ‡ฉ๐Ÿ‡ช
24726ChinoITA ๐Ÿ‡ฎ๐Ÿ‡น
25695TheBadGodCHE ๐Ÿ‡จ๐Ÿ‡ญ
26695collodelITA ๐Ÿ‡ฎ๐Ÿ‡น
27682rex bibentiAUT ๐Ÿ‡ฆ๐Ÿ‡น
28649twentyfourFRA ๐Ÿ‡ซ๐Ÿ‡ท
29648LoginAUT ๐Ÿ‡ฆ๐Ÿ‡น
30648sebsrtITA ๐Ÿ‡ฎ๐Ÿ‡น
31632GenniITA ๐Ÿ‡ฎ๐Ÿ‡น
32603leo_somethingITA ๐Ÿ‡ฎ๐Ÿ‡น
33603tamponSRB ๐Ÿ‡ท๐Ÿ‡ธ
34553HackrrrCZE ๐Ÿ‡จ๐Ÿ‡ฟ
35553BumblebeeSVN ๐Ÿ‡ธ๐Ÿ‡ฎ
36526kdmAUT ๐Ÿ‡ฆ๐Ÿ‡น
37526Mcsky23ROU ๐Ÿ‡ท๐Ÿ‡ด
38526coilAUT ๐Ÿ‡ฆ๐Ÿ‡น
39481alsacchiITA ๐Ÿ‡ฎ๐Ÿ‡น
40462dnydxnAUT ๐Ÿ‡ฆ๐Ÿ‡น
41462sypeeouiITA ๐Ÿ‡ฎ๐Ÿ‡น
42455dp_1ITA ๐Ÿ‡ฎ๐Ÿ‡น
43359Ho3rnch3nAUT ๐Ÿ‡ฆ๐Ÿ‡น
44359pingotuxSVN ๐Ÿ‡ธ๐Ÿ‡ฎ
45359vurloDEU ๐Ÿ‡ฉ๐Ÿ‡ช
46345alex1337HUN ๐Ÿ‡ญ๐Ÿ‡บ
47340ErgeITA ๐Ÿ‡ฎ๐Ÿ‡น
48340sijisuCZE ๐Ÿ‡จ๐Ÿ‡ฟ
49313piankaITA ๐Ÿ‡ฎ๐Ÿ‡น
50313GDFWORLD ๐Ÿšฉ
51313justlelITA ๐Ÿ‡ฎ๐Ÿ‡น
52313EvangelosproCYP ๐Ÿ‡จ๐Ÿ‡พ
53313witer33ITA ๐Ÿ‡ฎ๐Ÿ‡น
54313uncavohdmiITA ๐Ÿ‡ฎ๐Ÿ‡น
55313rdobovicHRV ๐Ÿ‡ญ๐Ÿ‡ท
56313aquila2ITA ๐Ÿ‡ฎ๐Ÿ‡น
57313cefuBEL ๐Ÿ‡ง๐Ÿ‡ช
58313xavimelITA ๐Ÿ‡ฎ๐Ÿ‡น
59313Valeryum999ITA ๐Ÿ‡ฎ๐Ÿ‡น
60290annatarCYP ๐Ÿ‡จ๐Ÿ‡พ
61290serotavITA ๐Ÿ‡ฎ๐Ÿ‡น
62290manuele.pandITA ๐Ÿ‡ฎ๐Ÿ‡น
63290magoBOL ๐Ÿ‡ง๐Ÿ‡ด
64263equinoxCZE ๐Ÿ‡จ๐Ÿ‡ฟ
65263fkania2POL ๐Ÿ‡ต๐Ÿ‡ฑ
66263vik0t0rESP ๐Ÿ‡ช๐Ÿ‡ธ
67263Edu_ardITA ๐Ÿ‡ฎ๐Ÿ‡น
682630x54DEU ๐Ÿ‡ฉ๐Ÿ‡ช
69263logdavBRA ๐Ÿ‡ง๐Ÿ‡ท
70249vishiswozUSA ๐Ÿ‡บ๐Ÿ‡ธ
71249SkandalfITA ๐Ÿ‡ฎ๐Ÿ‡น
72249Michiel28435713909BEL ๐Ÿ‡ง๐Ÿ‡ช
73249VPMachineCZE ๐Ÿ‡จ๐Ÿ‡ฟ
74249RedBEL ๐Ÿ‡ง๐Ÿ‡ช
75249FwameITA ๐Ÿ‡ฎ๐Ÿ‡น
76249berndoJAUT ๐Ÿ‡ฆ๐Ÿ‡น
77249SimoITA ๐Ÿ‡ฎ๐Ÿ‡น
78249kyoozITA ๐Ÿ‡ฎ๐Ÿ‡น
79249infernosalexROU ๐Ÿ‡ท๐Ÿ‡ด
80249VicITA ๐Ÿ‡ฎ๐Ÿ‡น
81217wqiohcoija19WORLD ๐Ÿšฉ
82199NeobeoAUS ๐Ÿ‡ฆ๐Ÿ‡บ
83199blupperSWE ๐Ÿ‡ธ๐Ÿ‡ช
84199zaynVNM ๐Ÿ‡ป๐Ÿ‡ณ
85199bajkinmanSWE ๐Ÿ‡ธ๐Ÿ‡ช
86199PoliITA ๐Ÿ‡ฎ๐Ÿ‡น
87167mtibROU ๐Ÿ‡ท๐Ÿ‡ด
88167Speedy11CZCZE ๐Ÿ‡จ๐Ÿ‡ฟ
89146qubyITA ๐Ÿ‡ฎ๐Ÿ‡น
90146elvar333ISL ๐Ÿ‡ฎ๐Ÿ‡ธ
91146andeyAUT ๐Ÿ‡ฆ๐Ÿ‡น
92146tcatESP ๐Ÿ‡ช๐Ÿ‡ธ
93146AlBovoITA ๐Ÿ‡ฎ๐Ÿ‡น
94146ma100FIN ๐Ÿ‡ซ๐Ÿ‡ฎ
95146data_raptorMLT ๐Ÿ‡ฒ๐Ÿ‡น
96146GraphexCZE ๐Ÿ‡จ๐Ÿ‡ฟ
97146Alex1234ilproITA ๐Ÿ‡ฎ๐Ÿ‡น
98146ToncoHRV ๐Ÿ‡ญ๐Ÿ‡ท
99146ondrcaCZE ๐Ÿ‡จ๐Ÿ‡ฟ
100146meltingmodemAUT ๐Ÿ‡ฆ๐Ÿ‡น
101146vitolistHRV ๐Ÿ‡ญ๐Ÿ‡ท
102146SimozbITA ๐Ÿ‡ฎ๐Ÿ‡น
103146osorinGRC ๐Ÿ‡ฌ๐Ÿ‡ท
104146BillyITA ๐Ÿ‡ฎ๐Ÿ‡น
105146EleesAUT ๐Ÿ‡ฆ๐Ÿ‡น
106146droptopxTUR ๐Ÿ‡น๐Ÿ‡ท
107146RicyITA ๐Ÿ‡ฎ๐Ÿ‡น
108146sennabuserBGR ๐Ÿ‡ง๐Ÿ‡ฌ
109146cerinsLVA ๐Ÿ‡ฑ๐Ÿ‡ป
11096pysuITA ๐Ÿ‡ฎ๐Ÿ‡น
11196D4taAcc3sssGRC ๐Ÿ‡ฌ๐Ÿ‡ท
11296giovixo97ITA ๐Ÿ‡ฎ๐Ÿ‡น
11350Sudo_HexWORLD ๐Ÿšฉ
11450dogeAUT ๐Ÿ‡ฆ๐Ÿ‡น
11550krofekSVN ๐Ÿ‡ธ๐Ÿ‡ฎ
11650DoNotSpamPlsBGR ๐Ÿ‡ง๐Ÿ‡ฌ
11750Brex12AUT ๐Ÿ‡ฆ๐Ÿ‡น
11850H3r0F1r3ITA ๐Ÿ‡ฎ๐Ÿ‡น
11950sastroDEU ๐Ÿ‡ฉ๐Ÿ‡ช
12050notcatAUT ๐Ÿ‡ฆ๐Ÿ‡น
12150mixy1MLT ๐Ÿ‡ฒ๐Ÿ‡น
12250ImNotFantaITA ๐Ÿ‡ฎ๐Ÿ‡น
12350carman00SVN ๐Ÿ‡ธ๐Ÿ‡ฎ
12450SepiLIE ๐Ÿ‡ฑ๐Ÿ‡ฎ
12550mariodiddITA ๐Ÿ‡ฎ๐Ÿ‡น
12650PuschelAUT ๐Ÿ‡ฆ๐Ÿ‡น
12750aturt13CZE ๐Ÿ‡จ๐Ÿ‡ฟ
12850jxkxlIRL ๐Ÿ‡ฎ๐Ÿ‡ช
12950Ria_BlackkGRC ๐Ÿ‡ฌ๐Ÿ‡ท
13050RagequinCZE ๐Ÿ‡จ๐Ÿ‡ฟ
13150JerrySB03CZE ๐Ÿ‡จ๐Ÿ‡ฟ
13250MizEST ๐Ÿ‡ช๐Ÿ‡ช
13350TahariumAUT ๐Ÿ‡ฆ๐Ÿ‡น
13450uNickzITA ๐Ÿ‡ฎ๐Ÿ‡น
13550ematabacuROU ๐Ÿ‡ท๐Ÿ‡ด
13650mbukuzduluPOL ๐Ÿ‡ต๐Ÿ‡ฑ
13750Mr.NOODLEBEL ๐Ÿ‡ง๐Ÿ‡ช
13850pedroITA ๐Ÿ‡ฎ๐Ÿ‡น
13950DocITA ๐Ÿ‡ฎ๐Ÿ‡น
14050MoritzAUT ๐Ÿ‡ฆ๐Ÿ‡น
14150rtnESP ๐Ÿ‡ช๐Ÿ‡ธ
14250deaprofanaAUT ๐Ÿ‡ฆ๐Ÿ‡น
14350pht3v3nAUT ๐Ÿ‡ฆ๐Ÿ‡น
14450msanftDEU ๐Ÿ‡ฉ๐Ÿ‡ช
14550FilipTheWiseHRV ๐Ÿ‡ญ๐Ÿ‡ท
14650Oznerol55ITA ๐Ÿ‡ฎ๐Ÿ‡น
14750blurrym00nLIE ๐Ÿ‡ฑ๐Ÿ‡ฎ
14850hannah AUT ๐Ÿ‡ฆ๐Ÿ‡น
14950NZTSRB ๐Ÿ‡ท๐Ÿ‡ธ
15050FfFfFfWORLD ๐Ÿšฉ
15150RowanSNOR ๐Ÿ‡ณ๐Ÿ‡ด
15250cyberlandsholdetDNK ๐Ÿ‡ฉ๐Ÿ‡ฐ
15350ket752sbahGIN ๐Ÿ‡ฌ๐Ÿ‡ณ
15450kosovaoshtzemraeshqipnisRKS ๐Ÿ‡ฝ๐Ÿ‡ฐ
15550LGTVMLT ๐Ÿ‡ฒ๐Ÿ‡น
15650SkyluITA ๐Ÿ‡ฎ๐Ÿ‡น
15750MigsejDNK ๐Ÿ‡ฉ๐Ÿ‡ฐ
15850BletaPertaceRKS ๐Ÿ‡ฝ๐Ÿ‡ฐ
15950p4rr4ESP ๐Ÿ‡ช๐Ÿ‡ธ
16050asdasdadasWORLD ๐Ÿšฉ
16150InsomniaBGR ๐Ÿ‡ง๐Ÿ‡ฌ
16250kiko02LVA ๐Ÿ‡ฑ๐Ÿ‡ป
16350MartenMEST ๐Ÿ‡ช๐Ÿ‡ช
16450sourcexdEST ๐Ÿ‡ช๐Ÿ‡ช
16550yoriBGR ๐Ÿ‡ง๐Ÿ‡ฌ
16650OrsolynkaPOL ๐Ÿ‡ต๐Ÿ‡ฑ
16750sofnyaaITA ๐Ÿ‡ฎ๐Ÿ‡น
16850snowdenROU ๐Ÿ‡ท๐Ÿ‡ด
16950sjoHUN ๐Ÿ‡ญ๐Ÿ‡บ
17050arbiterEST ๐Ÿ‡ช๐Ÿ‡ช
17150HypermodeMLT ๐Ÿ‡ฒ๐Ÿ‡น
17250flagisallusCZE ๐Ÿ‡จ๐Ÿ‡ฟ
17350nejc_krasevecSVN ๐Ÿ‡ธ๐Ÿ‡ฎ
17450oltvrWORLD ๐Ÿšฉ
17550ciscocatalyst1337AUT ๐Ÿ‡ฆ๐Ÿ‡น
17650DavidekoAUT ๐Ÿ‡ฆ๐Ÿ‡น
17750nadnadnadITA ๐Ÿ‡ฎ๐Ÿ‡น
17850bitwiseGRC ๐Ÿ‡ฌ๐Ÿ‡ท
179507RockyESP ๐Ÿ‡ช๐Ÿ‡ธ
18050guoCHN ๐Ÿ‡จ๐Ÿ‡ณ
18150profiluefterAUT ๐Ÿ‡ฆ๐Ÿ‡น
18250DanteVeilBGR ๐Ÿ‡ง๐Ÿ‡ฌ
18350jssjsjsjSVK ๐Ÿ‡ธ๐Ÿ‡ฐ
18450cfi2017CHE ๐Ÿ‡จ๐Ÿ‡ญ
18550Puzzles00ZAUT ๐Ÿ‡ฆ๐Ÿ‡น
18650j.ederAUT ๐Ÿ‡ฆ๐Ÿ‡น
18750ZaptorWORLD ๐Ÿšฉ
18850JohnnyAbCITA ๐Ÿ‡ฎ๐Ÿ‡น
189500xB740UZB ๐Ÿ‡บ๐Ÿ‡ฟ
19050dolivITA ๐Ÿ‡ฎ๐Ÿ‡น
19150Diff-fusionWORLD ๐Ÿšฉ
19250QirsiALB ๐Ÿ‡ฆ๐Ÿ‡ฑ
19350LauraROU ๐Ÿ‡ท๐Ÿ‡ด
19450NoblesixITA ๐Ÿ‡ฎ๐Ÿ‡น
195501L0CBRA ๐Ÿ‡ง๐Ÿ‡ท
19650Pablo_279ESP ๐Ÿ‡ช๐Ÿ‡ธ
19750jud24AUS ๐Ÿ‡ฆ๐Ÿ‡บ
19850IvAlexEvITA ๐Ÿ‡ฎ๐Ÿ‡น
19950pingpwnGRC ๐Ÿ‡ฌ๐Ÿ‡ท
20050SuperSimoITA ๐Ÿ‡ฎ๐Ÿ‡น
201503rr0r.1nvalid.tokenAUS ๐Ÿ‡ฆ๐Ÿ‡บ
20250aswi583ITA ๐Ÿ‡ฎ๐Ÿ‡น
20350SunburntRock89IRL ๐Ÿ‡ฎ๐Ÿ‡ช
20450r0uleteeIRL ๐Ÿ‡ฎ๐Ÿ‡ช
20550Aryt3AUT ๐Ÿ‡ฆ๐Ÿ‡น
206500x5453AUT ๐Ÿ‡ฆ๐Ÿ‡น
20750djoetziAUT ๐Ÿ‡ฆ๐Ÿ‡น
20850darkiceDEU ๐Ÿ‡ฉ๐Ÿ‡ช
20950BobcatROU ๐Ÿ‡ท๐Ÿ‡ด
21050Samuel (BlankAmber)IRL ๐Ÿ‡ฎ๐Ÿ‡ช
21150danmaamITA ๐Ÿ‡ฎ๐Ÿ‡น
21250RuisthPRT ๐Ÿ‡ต๐Ÿ‡น
21350๐•ฌ๐–—๐–Œ๐– (Argh not Urgh)ITA ๐Ÿ‡ฎ๐Ÿ‡น
21450kgrzk4JPN ๐Ÿ‡ฏ๐Ÿ‡ต
21550L@lluNPL ๐Ÿ‡ณ๐Ÿ‡ต
21650franga1ARG ๐Ÿ‡ฆ๐Ÿ‡ท
21750K0mahCOL ๐Ÿ‡จ๐Ÿ‡ด
21850r3_JOR ๐Ÿ‡ฏ๐Ÿ‡ด
21950Valentina NAM ๐Ÿ‡ณ๐Ÿ‡ฆ
22050ZaffITA ๐Ÿ‡ฎ๐Ÿ‡น
22150SkajpCZE ๐Ÿ‡จ๐Ÿ‡ฟ
22250SGVC7IND ๐Ÿ‡ฎ๐Ÿ‡ณ
22350MrQuboPOL ๐Ÿ‡ต๐Ÿ‡ฑ
22450DorotheaROU ๐Ÿ‡ท๐Ÿ‡ด
22550phoenixIND ๐Ÿ‡ฎ๐Ÿ‡ณ
22650morroALB ๐Ÿ‡ฆ๐Ÿ‡ฑ
22750kr4ftUSA ๐Ÿ‡บ๐Ÿ‡ธ
22850Rodrigou23CRI ๐Ÿ‡จ๐Ÿ‡ท
22950m4rcinPOL ๐Ÿ‡ต๐Ÿ‡ฑ
23050RacconoidAUT ๐Ÿ‡ฆ๐Ÿ‡น
23150CihWORLD ๐Ÿšฉ
23250anynas916IRL ๐Ÿ‡ฎ๐Ÿ‡ช
23350mgadamAUT ๐Ÿ‡ฆ๐Ÿ‡น
23450pokiIND ๐Ÿ‡ฎ๐Ÿ‡ณ
23550RodryCRI ๐Ÿ‡จ๐Ÿ‡ท
23650Hot_sauceCRI ๐Ÿ‡จ๐Ÿ‡ท
23750pethomsenDNK ๐Ÿ‡ฉ๐Ÿ‡ฐ
23850SadikBGD ๐Ÿ‡ง๐Ÿ‡ฉ
23950OstereierDEU ๐Ÿ‡ฉ๐Ÿ‡ช
24050D0V0PER ๐Ÿ‡ต๐Ÿ‡ช
24150s3gf4ultGRC ๐Ÿ‡ฌ๐Ÿ‡ท
24250ElleMLT ๐Ÿ‡ฒ๐Ÿ‡น
24350Rain_syncIND ๐Ÿ‡ฎ๐Ÿ‡ณ
24450H4ckNetITA ๐Ÿ‡ฎ๐Ÿ‡น
24550DemonPAK ๐Ÿ‡ต๐Ÿ‡ฐ
24650Crih.exeITA ๐Ÿ‡ฎ๐Ÿ‡น
24750pjesmicaSRB ๐Ÿ‡ท๐Ÿ‡ธ
24850ExyPnozeBEL ๐Ÿ‡ง๐Ÿ‡ช
24950BornetoHRV ๐Ÿ‡ญ๐Ÿ‡ท
25050jenycek2222CZE ๐Ÿ‡จ๐Ÿ‡ฟ
25150SLNKLUSA ๐Ÿ‡บ๐Ÿ‡ธ
25250ArcaneDNK ๐Ÿ‡ฉ๐Ÿ‡ฐ
25350Devourer5471WORLD ๐Ÿšฉ
25450cyberrrcatCRI ๐Ÿ‡จ๐Ÿ‡ท
25550strnsSWE ๐Ÿ‡ธ๐Ÿ‡ช
25650kappaIRL ๐Ÿ‡ฎ๐Ÿ‡ช
25750GreenAceIRL ๐Ÿ‡ฎ๐Ÿ‡ช
25850Andre_!UKR ๐Ÿ‡บ๐Ÿ‡ฆ
25950fzhshzhALB ๐Ÿ‡ฆ๐Ÿ‡ฑ
26050Sleepybear0JOR ๐Ÿ‡ฏ๐Ÿ‡ด
26150momrulhasanBGD ๐Ÿ‡ง๐Ÿ‡ฉ
26250x03eRUS ๐Ÿ‡ท๐Ÿ‡บ
26350YMDHKG ๐Ÿ‡ญ๐Ÿ‡ฐ
26450MadLiesCOL ๐Ÿ‡จ๐Ÿ‡ด
26550StealthyCOL ๐Ÿ‡จ๐Ÿ‡ด
26650JossCRI ๐Ÿ‡จ๐Ÿ‡ท
26750alejosebaspCOL ๐Ÿ‡จ๐Ÿ‡ด
26850ch1p1ch4p4RUS ๐Ÿ‡ท๐Ÿ‡บ
26950S4Nใƒ„COL ๐Ÿ‡จ๐Ÿ‡ด
27050Bellic12COL ๐Ÿ‡จ๐Ÿ‡ด
27150G3R4RDOPPER ๐Ÿ‡ต๐Ÿ‡ช
27250Bloodyblade49ITA ๐Ÿ‡ฎ๐Ÿ‡น
27350HavelexAUT ๐Ÿ‡ฆ๐Ÿ‡น
27450oaรตisEST ๐Ÿ‡ช๐Ÿ‡ช
27550pok3AUT ๐Ÿ‡ฆ๐Ÿ‡น
27650kovako404DNK ๐Ÿ‡ฉ๐Ÿ‡ฐ
27750YK_CoderJPN ๐Ÿ‡ฏ๐Ÿ‡ต