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choiyd`s Profile

CountryKorea, Republic Of
Usernamechoiyd
Score117679
Global Rank151
Country Rank11
Register DateJan 02, 2018 - 14:44:23
Last ActivityFeb 01, 2019 - 05:44:57
Profile Views20885
City Seoul
Site Score Username Progress Last Update
RedTigers Hackit15030choiyd100.00%Jan 30, 2018 - 06:07:09
CTFS.ME11733bada97.67%Oct 08, 2018 - 15:09:30
Hacker Gateway4034bada95.65%Mar 14, 2018 - 06:36:15
SolveMe16959choiyd94.77%Mar 13, 2018 - 18:18:31
ThisisLegal.com14843bada93.42%Feb 19, 2018 - 11:37:09
hackburger8447bada80.41%Feb 14, 2018 - 05:19:16
Yoire5757bada75.51%Jan 19, 2018 - 02:11:31
hax.tor.hu4448bada64.00%Jan 21, 2018 - 04:08:09
Challengeland61830xbada63.71%Feb 07, 2018 - 04:30:36
HackThis!!9847choiyd61.32%Feb 28, 2018 - 13:48:13
wargame.kr8162bada45.72%Nov 13, 2018 - 17:39:34
SuNiNaTaS624bada45.24%Jan 17, 2018 - 08:09:58
OverTheWire.org5310choiyd36.42%Feb 11, 2018 - 04:28:56
Mod-X680bada22.22%Feb 23, 2018 - 08:11:22
ae27ff441bada19.15%Jan 12, 2018 - 06:52:20
pwnable.kr605bada14.29%May 29, 2018 - 10:03:58
pwnable.tw1258bada13.79%Jun 25, 2018 - 08:29:22
Tasteless300choiyd12.98%Jan 24, 2018 - 17:47:49
NOE.systems123bada11.91%Jan 04, 2018 - 04:27:11
Security Traps306bada10.42%Jan 31, 2018 - 15:03:59
Stereotyped Challenges588bada9.57%Jan 09, 2018 - 19:40:21
WeChall418choiyd8.52%Feb 26, 2018 - 04:20:58
Gekkó97bada7.41%Jan 19, 2018 - 16:19:14
Hacker.org735bada6.16%Jan 06, 2018 - 20:41:28
Net-Force50bada5.26%Feb 12, 2018 - 06:11:53
+Ma's Reversing24bada3.57%Jan 18, 2018 - 17:15:45
Webhacking.kr4choiyd3.46%Jan 06, 2018 - 19:57:37
Root-Me457bada13.34%Feb 23, 2018 - 13:32:34
Valhalla12bada2.75%Jan 16, 2018 - 08:31:18
Electrica187bada2.27%Feb 16, 2018 - 07:49:54
elhacker.net0bada0.74%Jan 19, 2018 - 12:33:46
TryThis0ne0bada0.39%Feb 23, 2018 - 08:09:49
Rankk11bada0.19%Jan 08, 2018 - 18:15:00
W3Challs1bada0.12%Feb 23, 2018 - 08:10:02
Hack The Box5bada0.04%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
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)
Jun 15, 2018 - 08:18:19Gained 2.75% on pwnable.tw (298 points)
Jun 14, 2018 - 16:38:35Gained 2.30% on pwnable.tw (224 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 13997 11y 195d 0.46 1.69 2.09 Jan 02, 2018 - 15:57:30 Questions
1 Training: Stegano I by Gizmore 9494 11y 94d 1.07 2.54 2.52 Questions
1 Training: Crypto - Caesar I by Gizmore 8985 8y 325d 1.20 2.46 2.69 Jan 02, 2018 - 17:13:16 Questions
1 Training: WWW-Robots by Gizmore 8008 8y 296d 1.18 3.53 3.38 Feb 11, 2018 - 05:46:55 Questions
1 Training: ASCII by Gizmore 9397 8y 208d 0.54 1.77 1.64 Jan 02, 2018 - 17:03:46 Questions
1 Encodings: URL by Gizmore 8572 8y 208d 0.77 1.99 2.33 Jan 02, 2018 - 17:16:27 Questions
2 Prime Factory by ch0wch0w 5931 11y 195d 1.95 2.75 3.43 Questions
2 Training: Encodings I by Gizmore 3717 11y 122d 3.33 4.25 3.94 Questions
2 Training: Programming 1 by Gizmore 3849 11y 94d 2.86 4.59 4.75 Jan 02, 2018 - 17:42:45 Questions
2 Training: Regex by Gizmore 2175 9y 40d 4.19 6.08 5.19 Questions
2 Training: PHP LFI by Gizmore 3789 9y 11d 2.90 5.09 4.82 Jan 02, 2018 - 17:31:46 Questions
2 PHP 0817 by Gizmore 4780 8y 341d 1.55 3.76 3.45 Jan 02, 2018 - 17:56:31 Questions
2 Training: Crypto - Transposition I by Gizmore 2896 8y 325d 2.35 3.33 4.08 Questions
2 Training: Crypto - Substitution I by Gizmore 2365 8y 325d 2.98 3.56 4.24 Questions
2 Training: Crypto - Caesar II by Gizmore 1877 8y 325d 2.90 3.58 4.68 Questions
2 Training: Crypto - Digraphs by Gizmore 876 8y 325d 4.00 4.30 5.10 Questions
2 Training: MySQL I by Gizmore 4514 8y 325d 2.13 4.06 4.31 Jan 04, 2018 - 12:19:29 Questions
2 Training: MySQL II by Gizmore 2235 8y 325d 4.76 5.91 6.02 Jan 14, 2018 - 09:04:20 Questions
2 Training: WWW-Basics by Gizmore 1447 8y 323d 2.23 4.23 3.87 Jan 14, 2018 - 09:12:00 Questions
2 Training: Register Globals by Gizmore 2374 8y 315d 2.61 4.53 4.61 Jan 04, 2018 - 12:59:33 Questions
2 Training: Math Pyramid by Gizmore 1444 8y 315d 4.10 4.16 5.46 Questions
2 Training: Baconian by Gizmore 1240 8y 308d 3.13 4.42 4.59 Questions
2 Training: LSB by Gizmore 1632 8y 296d 3.44 5.52 5.37 Questions
2 Training: GPG by Gizmore 839 8y 283d 2.87 6.10 4.50 Questions
2 Limited Access by wannabe7331 2009 8y 261d 2.79 4.65 4.34 Jan 14, 2018 - 09:20:09 Questions
2 Limited Access Too by wannabe7331 and lordOric 1446 8y 258d 3.06 4.85 4.65 Jan 14, 2018 - 09:27:56 Questions
2 Shadowlamb - Chapter I by Gizmore 297 8y 79d 2.92 2.71 7.37 Questions
2 Training: Warchall - The Beginning by WarChallStaff 1563 7y 298d 2.43 4.64 7.46 Questions
2 Repeating History by space and Gizmore 462 7y 218d 3.55 3.39 4.59 Questions
2 PHP My Admin by Gizmore 407 7y 213d 3.38 2.79 3.10 Jan 14, 2018 - 10:33:07 Questions
2 Training: Caterpillar by Gizmore 203 7y 199d 4.23 3.40 3.23 Questions
2 AUTH me by Gizmore 344 6y 89d 3.49 5.30 4.78 Questions
2 Interesting by Gizmore 187 5y 182d 3.48 4.33 6.38 Questions
2 Wanda by Gizmore 32 2y 363d 4.00 4.20 6.60 Questions
2 Railsbin by Gizmore 64 1y 311d 2.44 3.25 5.12 Questions
3 Connect the Dots by galen 799 11y 195d 3.47 3.86 5.45 Questions
3 hi by Gizmore 1730 11y 195d 2.46 3.47 3.62 Questions
3 Stegano Woman by Z 351 11y 169d 3.91 4.06 5.21 Questions
3 Flow Over Astronomy by anto 327 11y 94d 4.44 5.33 5.39 Questions
3 Towers of Hanoi by Z 207 11y 94d 4.70 5.41 6.85 Questions
3 Enlightment by anto 1010 10y 342d 5.08 4.75 6.15 Questions
3 Simply Red by anto 234 10y 342d 5.31 5.52 6.59 Questions
3 htmlspecialchars by Gizmore and Kender 924 10y 209d 3.43 5.12 4.14 Questions
3 Impossible n'est pas français by CommComm 370 10y 200d 2.80 3.62 6.08 Questions
3 PHP 0815 by Gizmore 923 10y 142d 3.89 5.39 5.24 Questions
3 Guesswork by Gizmore 1460 10y 142d 3.52 2.33 3.66 Questions
3 No Escape by Gizmore 2154 9y 52d 3.99 5.47 5.45 Jan 02, 2018 - 15:01:10 Questions
3 Training: Crypto - Substitution II by Gizmore 424 8y 325d 3.62 3.83 5.28 Questions
3 Training: WWW-Rewrites by Gizmore 387 8y 323d 3.38 5.19 5.49 Questions
3 Stegano Attachment by Gizmore 1631 8y 283d 2.35 3.83 4.37 Jan 19, 2018 - 14:37:56 Questions
3 Zebra by hirsch 1179 8y 266d 2.18 2.93 4.96 Questions
3 Pimitive Encryption by Gizmore 325 8y 171d 3.45 4.89 6.87 Questions
3 Vermeer by XcrAckX 199 8y 85d 3.92 4.03 5.75 Questions
3 Stop us by noother and Gizmore 266 8y 53d 4.42 5.91 6.27 Questions
3 PHP 0818 by noother 906 8y 38d 3.10 4.80 4.97 Feb 26, 2018 - 03:29:23 Questions
3 Are you serial by Gizmore 546 8y 9d 3.35 5.69 5.65 Jan 14, 2018 - 10:17:17 Questions
3 Shadowlamb - Chapter II by Gizmore 81 7y 308d 4.42 3.74 7.53 Questions
3 SSH... Z is sleeping by Z 130 7y 240d 5.25 8.04 7.62 Questions
3 eXtract Me by oleg 117 7y 194d 5.46 6.04 6.81 Questions
3 PHP 0819 by space 622 7y 182d 4.45 6.16 6.27 Feb 26, 2018 - 04:20:52 Questions
3 Illuminati by Gizmore 64 6y 6d 3.58 5.42 5.58 Questions
3 Britcoin by Gizmore 25 1y 214d 2.73 4.55 6.27 Questions
3 Rubik's Cube by space 15 1y 1d 5.12 4.50 6.75 Questions
4 bill for Bill by Z 473 11y 144d 4.66 5.99 8.51 Questions
4 Trivia by Z and Gizmore 720 11y 105d 5.32 6.34 7.27 Questions
4 PHP 0816 by Gizmore 672 10y 124d 3.84 5.84 5.43 Questions
4 Quangcurrency by quangntenemy and Gizmore 248 10y 51d 3.79 6.00 6.74 Questions
4 Addslashes by Gizmore 732 10y 50d 5.47 7.20 6.54 Questions
4 Yourself PHP by Gizmore and Kender 606 9y 52d 4.40 6.88 6.05 Questions
4 The Guestbook by Gizmore 671 9y 52d 4.89 6.52 7.07 Questions
4 Crappyshare by Gizmore 496 9y 52d 3.95 5.60 6.16 Questions
4 Paranoid by Gizmore 137 9y 52d 3.36 1.93 5.04 Questions
4 MD5.SALT by Gizmore 522 8y 341d 5.26 6.37 6.94 Jan 04, 2018 - 16:11:55 Questions
4 Training: Bacon Returns by Gizmore 162 8y 294d 4.33 3.28 3.39 Questions
4 Tracks by Gizmore 775 8y 59d 2.63 3.24 3.48 Questions
4 Training: RegexMini by ludde 567 8y 25d 4.43 6.15 5.43 Jan 14, 2018 - 09:59:09 Questions
4 Identity by Gizmore 106 7y 308d 5.07 5.69 8.28 Questions
4 Shadowlamb - Chapter III by Gizmore 40 7y 283d 4.33 1.11 8.11 Questions
4 Burning Fox by Gizmore 135 7y 236d 4.95 6.64 8.32 Questions
4 Choose your Path by Mart and Gizmore 494 7y 210d 4.29 5.76 6.73 Questions
4 Choose your Path II by Mart and Gizmore 288 7y 208d 4.30 5.61 6.91 Questions
4 Chessy Hawks by Jinx 35 7y 196d 5.43 2.71 4.43 Questions
4 Py-Tong by space 373 7y 188d 4.28 6.34 6.72 Questions
4 Warchall: Live LFI by Gizmore 493 7y 137d 3.78 4.67 6.17 Questions
4 Warchall: Live RFI by Gizmore 438 7y 137d 3.57 5.00 6.46 Questions
4 HOST me by space 359 6y 90d 5.38 7.28 6.86 Questions
4 Warchall: Live RCE by phiber and nurfed 219 5y 295d 5.89 7.33 7.33 Questions
4 Training: Net Ports by Gizmore 391 5y 139d 3.18 4.73 4.73 Questions
5 Can you read me by Gizmore 427 11y 195d 3.81 5.69 5.53 Questions
5 Lettergrid by Gizmore 143 11y 195d 4.88 4.69 5.25 Questions
5 The Nap by Z 49 11y 195d 5.71 8.06 7.88 Questions
5 Sudoku I by Gizmore 128 11y 144d 7.44 7.65 7.94 Questions
5 DropDaBass by anto 28 11y 94d 6.55 5.27 5.73 Questions
5 Sidology by Gizmore 304 11y 94d 4.11 4.41 7.32 Questions
5 Out of the Cloud by anto 40 11y 86d 5.86 4.43 6.36 Questions
5 A Black Hats Tale by Z 199 11y 49d 5.97 7.67 7.95 Questions
5 Fix Us by Z and Gizmore 84 10y 207d 5.77 7.27 6.73 Questions
5 Table Names by Gizmore 650 9y 52d 4.98 6.17 6.49 Jan 04, 2018 - 14:12:51 Questions
5 The Last Hope by bsdhell 104 9y 40d 7.18 7.18 8.41 Questions
5 WC Hashing Game by Gizmore 192 8y 320d 4.20 4.97 5.86 Questions
5 The Travelling Customer by Gizmore 87 8y 266d 5.77 7.00 7.50 Questions
5 Preg Evasion by noother 117 8y 172d 6.96 9.17 8.52 Questions
5 Blinded by the light by Gizmore 327 8y 114d 6.02 7.40 7.65 Questions
5 Smile by livinskull and Gizmore 69 8y 85d 6.00 6.71 7.65 Questions
5 Inka by Gizmore 26 7y 232d 5.90 6.90 7.90 Questions
5 Shadowlamb - Chapter IV by Gizmore 27 7y 61d 4.33 2.89 5.44 Questions
5 Time to Reset by Gizmore 91 7y 19d 5.55 7.23 7.45 Questions
5 Brainfucked by Gizmore 189 6y 6d 4.25 5.36 6.21 Questions
5 QMine by quangntenemy 18 6y 6d 6.50 5.50 6.33 Questions
5 Zen by Gizmore 21 2y 311d 4.86 3.86 6.43 Questions
6 Morsed by Gizmore 62 11y 195d 6.36 6.64 6.93 Questions
6 Count, don't wonder by galen 29 11y 195d 5.75 5.50 7.38 Questions
6 Letterworm by Gizmore 92 11y 194d 5.00 5.53 6.88 Questions
6 Anderson Application Auditing by Z 175 11y 169d 6.34 8.82 9.16 Questions
6 The Cookie is a lie by Z 65 11y 28d 3.79 5.42 6.95 Questions
6 Malware by Z 195 10y 272d 4.07 5.52 6.74 Questions
6 Z - Reloaded by Z and Gizmore 129 10y 46d 5.79 7.61 8.15 Questions
6 Credit Card Challenge Pwned! by Z 59 10y 46d 5.68 7.09 8.59 Questions
6 GizCrypt by Gizmore 139 9y 40d 5.04 5.63 7.44 Questions
6 B.AiM by BAIM and Gizmore 20 8y 266d 5.86 7.00 7.43 Questions
6 Fremes by Gizmore 20 8y 85d 5.73 5.55 8.27 Questions
6 Babbage and Coldplay by ludde 41 8y 22d 6.20 6.00 7.40 Questions
6 Blinded by the lighter by kwisatz 175 7y 334d 7.58 8.58 8.67 Questions
6 Warchall: Tryouts by matrixman 93 7y 163d 8.00 9.00 9.07 Questions
6 Are you blind? by Mawekl 104 7y 68d 6.88 7.88 8.65 Questions
6 Light in the Darkness by Mawekl 125 7y 68d 7.24 8.71 7.41 Questions
6 Three Times Sad by dloser 6 5y 286d 8.00 8.50 8.00 Questions
6 Table Names II by nurfed 284 5y 248d 5.61 8.14 7.68 Questions
6 Experience by Gizmore 15 5y 154d 6.17 6.83 7.50 Questions
6 Disclosures by Gizmore and dloser 18 5y 111d 7.00 6.75 7.62 Questions
6 Nippon by Gizmore and lazer 5 3y 107d 8.00 7.00 9.67 Questions
7 Save the World by Z 189 11y 195d 6.52 7.97 7.93 Questions
7 Screwed Signup by Gizmore 221 10y 207d 6.00 7.52 7.35 Questions
7 Order By Query by Gizmore 455 10y 46d 6.33 7.49 7.32 Questions
7 Snake by Gizmore and lazer 46 9y 52d 5.64 6.14 8.71 Questions
7 Speed Your Way To VICtory by Jander 19 8y 157d 8.67 8.56 8.56 Questions
7 Training: Warchall - 7 Tropical Fruits by tropic 149 7y 298d 6.35 7.94 8.12 Questions
7 What is your Name? by Mawekl 35 7y 68d 7.33 8.33 7.78 Questions
7 Time to Reset II by Gizmore and noother 22 7y 15d 8.45 9.82 9.82 Questions
7 Stalking by Gizmore 10 6y 90d 6.50 5.25 10.00 Questions
7 Warchall: Nurxxed by nurfed 18 5y 273d 8.80 10.00 8.80 Questions
8 Agent Larry by Z 44 11y 195d 6.77 8.08 8.54 Questions
8 Crackcha by Gizmore 34 8y 296d 8.12 9.56 9.31 Questions
8 2013 New Years Special by quangntenemy 12 5y 126d 8.00 8.29 7.86 Questions
9 The BrownOS by dloser 3 5y 147d 10.00 6.00 10.00 Questions