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choiyd`s Profile

CountryKorea, Republic Of
Usernamechoiyd
Score115170
Global Rank162
Country Rank12
Register DateJan 02, 2018 - 14:44:23
Last ActivityMay 27, 2022 - 04:09:56
Profile Views29538
City Seoul
Site Score Username Progress Last Update
RedTigers Hackit15364choiyd100.00%Jan 30, 2018 - 06:07:09
CTFS.ME11715bada97.67%Oct 08, 2018 - 15:09:30
Hacker Gateway3976bada95.65%Mar 14, 2018 - 06:36:15
SolveMe16959choiyd94.77%Mar 13, 2018 - 18:18:31
ThisisLegal.com14988bada93.42%Feb 19, 2018 - 11:37:09
hackburger8438bada80.41%Feb 14, 2018 - 05:19:16
Yoire5718bada75.51%Jan 19, 2018 - 02:11:31
hax.tor.hu4445bada64.00%Jan 21, 2018 - 04:08:09
Challengeland61950xbada63.71%Feb 07, 2018 - 04:30:36
Defend the Web7040choiyd45.85%Nov 08, 2019 - 21:51:31
SuNiNaTaS619bada45.24%Jan 17, 2018 - 08:09:58
wargame.kr8069bada45.10%Nov 13, 2018 - 17:39:34
OverTheWire.org5364choiyd36.42%Feb 11, 2018 - 04:28:56
Mod-X678bada22.22%Feb 23, 2018 - 08:11:22
ae27ff431bada19.15%Jan 12, 2018 - 06:52:20
pwnable.kr606bada14.29%May 29, 2018 - 10:03:58
Tasteless294choiyd12.98%Jan 24, 2018 - 17:47:49
NOE.systems122bada11.91%Jan 04, 2018 - 04:27:11
pwnable.tw1172bada11.58%Jun 25, 2018 - 08:29:22
Security Traps306bada10.42%Jan 31, 2018 - 15:03:59
Stereotyped Challenges591bada9.57%Jan 09, 2018 - 19:40:21
WeChall446choiyd7.73%Feb 26, 2018 - 04:20:58
Gekkó97bada7.41%Jan 19, 2018 - 16:19:14
Hacker.org733bada6.16%Jan 06, 2018 - 20:41:28
Net-Force50bada5.26%Feb 12, 2018 - 06:11:53
+Ma's Reversing25bada3.57%Jan 18, 2018 - 17:15:45
Valhalla12bada2.75%Jan 16, 2018 - 08:31:18
Root-Me499bada12.46%Feb 23, 2018 - 13:32:34
Electrica187bada2.27%Feb 16, 2018 - 07:49:54
Webhacking.kr10choiyd1.04%Apr 16, 2021 - 20:58:47
elhacker.net0bada0.74%Jan 19, 2018 - 12:33:46
TryThis0ne0bada0.39%Feb 23, 2018 - 08:09:49
Rankk11bada0.18%Jan 08, 2018 - 18:15:00
W3Challs1bada0.12%Feb 23, 2018 - 08:10:02
Hack The Box9bada0.02%Feb 16, 2018 - 19:07:44
TDHack0bada0.00%Jan 18, 2018 - 17:15:54
CanHackMe0choiyd0.00%Jul 30, 2018 - 04:09:46
TheBlackSheep0bada0.00%Jan 19, 2018 - 16:19:18
try to decrypt0bada0.00%Jan 06, 2018 - 07:53:37
Happy-Security0bada0.00%Jan 19, 2018 - 16:34:34
NewbieContest0bada0.00%Jan 06, 2018 - 14:51:57
Yashira0bada0.00%ERROR
BrainQuest0bada0.00%Jan 08, 2018 - 18:08:06
HackThisSite0choiyd0.00%ERROR
RingZer0 Team Online CTF0bada0.00%Jan 06, 2018 - 07:53:29
Hacking-Challenges0bada0.00%Jan 19, 2018 - 16:46:00
RoseCode0choiyd0.00%Jan 19, 2018 - 16:35:26
HackBBS0choiyd0.00%ERROR
SPOJ0bada0.00%Mar 05, 2018 - 18:59:20
Disavowed.net0bada0.00%ERROR
Omega Project0bada0.00%ERROR
Revolution Elite0bada0.00%Jan 19, 2018 - 16:35:36
µContest0bada0.00%Jan 18, 2018 - 17:16:02
Reversing.Kr0bada0.00%Jan 08, 2018 - 02:04:29
choiyd`s latest activites
Apr 16, 2021 - 20:58:47Lost -14.16% on Webhacking.kr (-29 points)
Nov 08, 2019 - 21:51:31Gained 6.55% on Defend the Web (1324 points)
Nov 13, 2018 - 17:39:34Lost -47.25% on wargame.kr (-8650 points)
Oct 08, 2018 - 15:09:31Gained 4.23% on CTFS.ME (1282 points)
Sep 28, 2018 - 09:12:04Gained 6.35% on CTFS.ME (1762 points)
Sep 27, 2018 - 04:59:19Gained 4.23% on CTFS.ME (965 points)
Sep 26, 2018 - 13:20:43Gained 1.70% on CTFS.ME (359 points)
Sep 21, 2018 - 10:51:59Gained 0.65% on CTFS.ME (139 points)
Jul 30, 2018 - 04:09:47Linked an account to CanHackMe with 0.00% (0 points)
Jun 25, 2018 - 08:29:23Gained 1.83% on pwnable.tw (214 points)
Totalscore Graph for choiydRanking History for choiyd
Challenge(s) Overview for choiyd
Score Title Author Solvers Age Difficulty Education Fun Solved at Forums
1 Training: Get Sourced by Gizmore 18524 14y 245d 0.48 1.72 2.16 Jan 02, 2018 - 15:57:30 Questions
1 Training: Stegano I by Gizmore 12767 14y 144d 1.09 2.56 2.60 Questions
1 Training: Crypto - Caesar I by Gizmore 12096 12y 10d 1.21 2.48 2.72 Jan 02, 2018 - 17:13:16 Questions
1 Training: WWW-Robots by Gizmore 10623 11y 346d 1.22 3.52 3.41 Feb 11, 2018 - 05:46:55 Questions
1 Training: ASCII by Gizmore 12380 11y 259d 0.55 1.82 1.65 Jan 02, 2018 - 17:03:46 Questions
1 Encodings: URL by Gizmore 11167 11y 258d 0.81 2.07 2.40 Jan 02, 2018 - 17:16:27 Questions
1 2021 Christmas Hippety by gizmore 32 1y 1d 2.83 2.83 6.83 Questions
1 Training: No DNS by gizmore 91 227d 15h 1.36 3.43 6.29 Questions
2 Prime Factory by ch0wch0w 7588 14y 245d 1.98 2.80 3.36 Questions
2 Training: Encodings I by Gizmore 5065 14y 172d 3.34 4.32 3.93 Questions
2 Training: Programming 1 by Gizmore 4925 14y 144d 2.89 4.61 4.80 Jan 02, 2018 - 17:42:45 Questions
2 Training: Regex by Gizmore 3010 12y 90d 4.16 6.11 5.08 Questions
2 Training: PHP LFI by Gizmore 4831 12y 61d 2.89 5.21 4.92 Jan 02, 2018 - 17:31:46 Questions
2 PHP 0817 by Gizmore 5965 12y 26d 1.62 3.80 3.48 Jan 02, 2018 - 17:56:31 Questions
2 Training: Crypto - Transposition I by Gizmore 3828 12y 10d 2.42 3.30 4.07 Questions
2 Training: Crypto - Substitution I by Gizmore 3110 12y 10d 3.07 3.60 4.35 Questions
2 Training: Crypto - Caesar II by Gizmore 2517 12y 10d 2.97 3.67 4.67 Questions
2 Training: Crypto - Digraphs by Gizmore 1206 12y 10d 4.27 4.44 5.27 Questions
2 Training: MySQL I by Gizmore 5738 12y 10d 2.13 4.17 4.30 Jan 04, 2018 - 12:19:29 Questions
2 Training: MySQL II by Gizmore 2938 12y 10d 4.82 5.97 5.99 Jan 14, 2018 - 09:04:20 Questions
2 Training: WWW-Basics by Gizmore 1632 12y 8d 2.19 4.20 3.78 Jan 14, 2018 - 09:12:00 Questions
2 Training: Register Globals by Gizmore 2939 12y 8h 2.56 4.55 4.62 Jan 04, 2018 - 12:59:33 Questions
2 Training: Math Pyramid by Gizmore 1822 12y 8h 4.10 4.14 5.32 Questions
2 Training: Baconian by Gizmore 1658 11y 358d 3.17 4.45 4.64 Questions
2 Training: LSB by Gizmore 2010 11y 346d 3.43 5.46 5.32 Questions
2 Training: GPG by Gizmore 1029 11y 333d 2.86 6.16 4.69 Questions
2 Limited Access by wannabe7331 2453 11y 311d 2.68 4.62 4.29 Jan 14, 2018 - 09:20:09 Questions
2 Limited Access Too by wannabe7331 and lordOric 1754 11y 308d 3.00 4.84 4.58 Jan 14, 2018 - 09:27:56 Questions
2 Shadowlamb - Chapter I by Gizmore 366 11y 129d 2.75 2.59 7.03 Questions
2 Training: Warchall - The Beginning by WarChallStaff 1912 10y 348d 2.50 4.72 7.33 Questions
2 Repeating History by space and Gizmore 638 10y 268d 3.73 3.61 4.63 Questions
2 PHP My Admin by Gizmore 656 10y 263d 3.53 2.95 3.05 Jan 14, 2018 - 10:33:07 Questions
2 Training: Caterpillar by Gizmore 377 10y 249d 4.63 3.73 3.49 Questions
2 AUTH me by Gizmore 525 9y 139d 3.51 5.19 4.67 Questions
2 Interesting by Gizmore 228 8y 232d 3.34 4.31 6.48 Questions
2 Wanda by Gizmore 64 6y 48d 4.61 4.28 5.94 Questions
2 Railsbin by Gizmore 102 4y 361d 2.67 3.48 4.95 Questions
2 Factor 2 by Gizmore 137 3y 34d 2.47 3.58 6.84 Questions
2 2021 Christmas Tweet by gizmore 9 1y 2d 3.86 4.29 6.14 Questions
2 2021 Christmas Gifts by gizmore 18 362d 22h 3.20 5.60 6.60 Questions
2 2021 Christmas Grampa by gizmore 96 349d 5h 0.67 1.06 2.06 Questions
2 LoFi by gizmore 12 219d 6h 2.67 0.67 2.33 Questions
2 IRC: Duckhunt by gizmore 16 200d 17h 2.00 2.00 9.00 Questions
2 Training: Checksums by gizmore 19 110d 9h 1.71 1.00 3.43 Questions
3 Connect the Dots by galen 945 14y 245d 3.34 3.99 5.38 Questions
3 hi by Gizmore 1996 14y 245d 2.40 3.31 3.51 Questions
3 Stegano Woman by Z 469 14y 219d 3.78 4.00 5.27 Questions
3 Flow Over Astronomy by anto 380 14y 144d 4.34 5.29 5.46 Questions
3 Towers of Hanoi by Z 226 14y 144d 4.62 5.34 6.83 Questions
3 Enlightment by anto 1106 14y 27d 5.04 4.73 6.08 Questions
3 Simply Red by anto 327 14y 27d 5.20 5.49 6.49 Questions
3 htmlspecialchars by Gizmore and Kender 1082 13y 259d 3.43 4.88 4.02 Questions
3 Impossible n'est pas français by CommComm 436 13y 250d 2.89 3.73 6.04 Questions
3 PHP 0815 by Gizmore 1069 13y 192d 4.07 5.41 5.21 Questions
3 Guesswork by Gizmore 1601 13y 192d 3.51 2.29 3.63 Questions
3 No Escape by Gizmore 2414 12y 102d 4.05 5.46 5.49 Jan 02, 2018 - 15:01:10 Questions
3 Training: Crypto - Substitution II by Gizmore 508 12y 10d 3.64 3.89 5.36 Questions
3 Training: WWW-Rewrites by Gizmore 428 12y 8d 3.33 5.15 5.41 Questions
3 Stegano Attachment by Gizmore 1910 11y 333d 2.55 3.98 4.50 Jan 19, 2018 - 14:37:56 Questions
3 Zebra by hirsch 1569 11y 316d 2.23 2.89 4.94 Questions
3 Pimitive Encryption by Gizmore 380 11y 221d 3.36 4.73 6.82 Questions
3 Vermeer by XcrAckX 225 11y 135d 3.93 4.07 5.81 Questions
3 Stop us by noother and Gizmore 312 11y 103d 4.58 5.87 6.29 Questions
3 PHP 0818 by noother 1090 11y 88d 3.18 4.81 4.96 Feb 26, 2018 - 03:29:23 Questions
3 Are you serial by Gizmore 607 11y 59d 3.35 5.58 5.61 Jan 14, 2018 - 10:17:17 Questions
3 Shadowlamb - Chapter II by Gizmore 91 10y 358d 4.39 4.04 7.74 Questions
3 SSH... Z is sleeping by Z 154 10y 290d 5.26 7.89 7.59 Questions
3 eXtract Me by oleg 148 10y 244d 5.47 6.19 6.91 Questions
3 PHP 0819 by space 706 10y 232d 4.54 6.05 6.06 Feb 26, 2018 - 04:20:52 Questions
3 Illuminati by Gizmore 83 9y 56d 3.69 5.44 5.81 Questions
3 Britcoin by Gizmore 36 4y 264d 2.76 5.12 6.59 Questions
3 Rubik's Cube by space 25 4y 51d 5.09 4.09 6.36 Questions
3 Contribute by Gizmore 10 1y 252d 2.50 2.50 6.00 Questions
3 2021 Christmas Friday by gizmore 32 1y 7h 2.62 3.38 7.88 Questions
4 bill for Bill by Z 499 14y 194d 4.65 6.00 8.58 Questions
4 Trivia by Z and Gizmore 775 14y 155d 5.26 6.35 7.20 Questions
4 PHP 0816 by Gizmore 747 13y 175d 4.02 5.81 5.47 Questions
4 Quangcurrency by quangntenemy and Gizmore 282 13y 101d 3.67 5.90 6.62 Questions
4 Addslashes by Gizmore 845 13y 100d 5.43 7.26 6.60 Questions
4 Yourself PHP by Gizmore and Kender 691 12y 102d 4.56 6.80 5.98 Questions
4 The Guestbook by Gizmore 754 12y 102d 4.95 6.53 7.06 Questions
4 Crappyshare by Gizmore 589 12y 102d 3.76 5.45 6.08 Questions
4 Paranoid by Gizmore 157 12y 102d 3.12 1.85 5.03 Questions
4 MD5.SALT by Gizmore 598 12y 26d 5.06 6.27 6.84 Jan 04, 2018 - 16:11:55 Questions
4 Training: Bacon Returns by Gizmore 210 11y 344d 4.37 3.26 3.42 Questions
4 Tracks by Gizmore 896 11y 109d 2.58 3.20 3.42 Questions
4 Training: RegexMini by ludde 622 11y 75d 4.39 6.08 5.43 Jan 14, 2018 - 09:59:09 Questions
4 Identity by Gizmore 128 10y 358d 5.10 5.71 8.26 Questions
4 Shadowlamb - Chapter III by Gizmore 45 10y 333d 3.82 1.36 8.36 Questions
4 Burning Fox by Gizmore 150 10y 286d 4.88 6.64 8.16 Questions
4 Choose your Path by Mart and Gizmore 553 10y 260d 4.22 5.70 6.68 Questions
4 Choose your Path II by Mart and Gizmore 339 10y 258d 4.27 5.58 6.85 Questions
4 Chessy Hawks by Jinx 54 10y 246d 5.62 3.12 4.50 Questions
4 Py-Tong by space 439 10y 238d 4.32 6.26 6.68 Questions
4 Warchall: Live LFI by Gizmore 559 10y 187d 3.85 4.80 6.12 Questions
4 Warchall: Live RFI by Gizmore 497 10y 187d 3.60 5.05 6.43 Questions
4 HOST me by space 409 9y 140d 5.47 7.31 6.88 Questions
4 Warchall: Live RCE by phiber and nurfed 257 8y 345d 5.91 7.36 7.32 Questions
4 Training: Net Ports by Gizmore 439 8y 189d 3.12 4.83 4.67 Questions
4 Training: Time is of the Essence by Gizmore 32 2y 53d 4.77 6.69 8.38 Questions
4 The Mime Files by Gizmore 42 1y 159d 3.46 4.54 7.92 Questions
4 Fineprint by gizmore 4 110d 9h 3.33 3.00 5.67 Questions
5 Can you read me by Gizmore 482 14y 245d 3.80 5.80 5.69 Questions
5 Lettergrid by Gizmore 160 14y 245d 4.94 4.67 5.39 Questions
5 The Nap by Z 53 14y 245d 5.74 8.00 8.00 Questions
5 Sudoku I by Gizmore 154 14y 194d 7.47 7.50 8.05 Questions
5 DropDaBass by anto 33 14y 144d 6.50 5.00 5.50 Questions
5 Sidology by Gizmore 329 14y 144d 4.13 4.43 7.26 Questions
5 Out of the Cloud by anto 41 14y 136d 5.73 4.33 6.33 Questions
5 A Black Hats Tale by Z 220 14y 99d 5.96 7.69 7.93 Questions
5 Fix Us by Z and Gizmore 86 13y 257d 5.70 7.35 6.83 Questions
5 Table Names by Gizmore 752 12y 102d 4.79 6.12 6.43 Jan 04, 2018 - 14:12:51 Questions
5 The Last Hope by bsdhell 118 12y 90d 7.22 7.17 8.33 Questions
5 WC Hashing Game by Gizmore 214 12y 5d 4.18 5.18 6.13 Questions
5 The Travelling Customer by Gizmore 98 11y 316d 5.71 6.83 7.58 Questions
5 Preg Evasion by noother 143 11y 222d 6.96 9.12 8.52 Questions
5 Blinded by the light by Gizmore 377 11y 164d 6.11 7.47 7.69 Questions
5 Smile by livinskull and Gizmore 80 11y 135d 5.84 6.79 7.74 Questions
5 Inka by Gizmore 32 10y 282d 6.00 6.91 7.82 Questions
5 Shadowlamb - Chapter IV by Gizmore 31 10y 111d 4.50 2.80 5.30 Questions
5 Time to Reset by Gizmore 114 10y 69d 5.52 7.16 7.36 Questions
5 Brainfucked by Gizmore 234 9y 56d 4.21 5.35 6.00 Questions
5 QMine by quangntenemy 19 9y 56d 6.50 5.50 6.33 Questions
5 Zen by Gizmore 30 5y 361d 5.00 4.33 6.75 Questions
5 2020 Christmas Special by quangntenemy and Gizmore 12 1y 349d 4.80 6.00 9.40 Questions
6 Morsed by Gizmore 72 14y 245d 6.31 6.88 6.94 Questions
6 Count, don't wonder by galen 34 14y 245d 5.89 5.44 7.33 Questions
6 Letterworm by Gizmore 98 14y 244d 4.94 5.39 6.94 Questions
6 Anderson Application Auditing by Z 202 14y 219d 6.30 8.77 9.14 Questions
6 The Cookie is a lie by Z 68 14y 78d 3.76 5.38 6.90 Questions
6 Malware by Z 201 13y 322d 4.14 5.55 6.76 Questions
6 Z - Reloaded by Z and Gizmore 135 13y 96d 5.85 7.65 8.18 Questions
6 Credit Card Challenge Pwned! by Z 60 13y 96d 5.65 7.17 8.65 Questions
6 GizCrypt by Gizmore 158 12y 90d 4.94 5.73 7.52 Questions
6 B.AiM by BAIM and Gizmore 20 11y 316d 5.86 7.00 7.43 Questions
6 Fremes by Gizmore 25 11y 135d 5.69 5.31 8.46 Questions
6 Babbage and Coldplay by ludde 44 11y 72d 6.00 6.17 7.42 Questions
6 Blinded by the lighter by kwisatz 195 11y 19d 7.50 8.47 8.65 Questions
6 Warchall: Tryouts by matrixman 119 10y 213d 8.00 8.94 9.00 Questions
6 Are you blind? by Mawekl 120 10y 118d 6.74 7.79 8.63 Questions
6 Light in the Darkness by Mawekl 142 10y 118d 7.33 8.78 7.50 Questions
6 Three Times Sad by dloser 9 8y 336d 8.20 8.20 8.40 Questions
6 Table Names II by nurfed 332 8y 298d 5.69 8.12 7.72 Questions
6 Experience by Gizmore 20 8y 204d 6.44 5.67 6.56 Questions
6 Nippon by Gizmore and lazer 10 6y 157d 8.29 5.00 6.71 Questions
6 Temper by jusb3 4 1y 227d 7.00 8.75 10.00 Questions
7 Save the World by Z 216 14y 245d 6.50 7.94 7.78 Questions
7 Screwed Signup by Gizmore 270 13y 257d 5.81 7.46 7.46 Questions
7 Order By Query by Gizmore 499 13y 96d 6.45 7.51 7.33 Questions
7 Snake by Gizmore and lazer 46 12y 102d 5.64 6.14 8.71 Questions
7 Speed Your Way To VICtory by Jander 20 11y 207d 8.70 8.70 8.70 Questions
7 Training: Warchall - 7 Tropical Fruits by tropic 171 10y 348d 6.52 8.10 8.19 Questions
7 What is your Name? by Mawekl 41 10y 118d 7.18 8.09 7.55 Questions
7 Time to Reset II by Gizmore and noother 24 10y 65d 8.45 9.82 9.82 Questions
7 Stalking by Gizmore 12 9y 140d 6.60 5.20 10.00 Questions
7 Warchall: Nurxxed by nurfed 20 8y 323d 8.71 10.00 9.00 Questions
7 Disclosures by gizmore and dloser 19 8y 161d 7.00 6.75 7.62 Questions
7 Old Years Eve 2020 by Gizmore 11 1y 342d 6.50 5.25 5.75 Questions
7 Memorized by Gizmore 9 1y 325d 5.00 7.25 8.00 Questions
8 Agent Larry by Z 46 14y 245d 6.77 8.08 8.54 Questions
8 Crackcha by Gizmore 40 11y 346d 8.18 9.59 9.35 Questions
8 2013 New Years Special by quangntenemy 15 8y 176d 8.00 8.29 7.86 Questions
9 The BrownOS by dloser 4 8y 197d 10.00 6.67 10.00 Questions