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choiyd`s Profile

CountryKorea, Republic Of
Usernamechoiyd
Score117238
Global Rank148
Country Rank11
Register DateJan 02, 2018 - 14:44:23
Last ActivityFeb 01, 2019 - 05:44:57
Profile Views18931
City Seoul
Site Score Username Progress Last Update
RedTigers Hackit14841choiyd100.00%Jan 30, 2018 - 06:07:09
CTFS.ME11737bada97.67%Oct 08, 2018 - 15:09:30
Hacker Gateway4020bada95.65%Mar 14, 2018 - 06:36:15
Solve Me16959choiyd94.77%Mar 13, 2018 - 18:18:31
ThisisLegal.com14753bada93.42%Feb 19, 2018 - 11:37:09
hackburger8467bada80.41%Feb 14, 2018 - 05:19:16
Yoire5750bada75.51%Jan 19, 2018 - 02:11:31
hax.tor.hu4451bada64.00%Jan 21, 2018 - 04:08:09
Challengeland61660xbada63.71%Feb 07, 2018 - 04:30:36
HackThis!!9843choiyd61.32%Feb 28, 2018 - 13:48:13
SuNiNaTaS623bada45.24%Jan 17, 2018 - 08:09:58
wargame.kr8047bada45.19%Nov 13, 2018 - 17:39:34
OverTheWire.org5298choiyd36.42%Feb 11, 2018 - 04:28:56
Mod-X677bada22.22%Feb 23, 2018 - 08:11:22
ae27ff445bada19.15%Jan 12, 2018 - 06:52:20
pwnable.kr606bada14.29%May 29, 2018 - 10:03:58
pwnable.tw1264bada13.79%Jun 25, 2018 - 08:29:22
Tasteless302choiyd12.98%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 Challenges558bada8.74%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
Root-Me458bada13.66%Feb 23, 2018 - 13:32:34
+Ma's Reversing24bada3.57%Jan 18, 2018 - 17:15:45
Webhacking.kr4choiyd3.46%Jan 06, 2018 - 19:57:37
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 Box5bada0.06%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 12461 10y 324d 0.45 1.66 2.10 Jan 02, 2018 - 15:57:30 Questions
1 Training: Stegano I by Gizmore 8352 10y 223d 1.06 2.58 2.55 Questions
1 Training: Crypto - Caesar I by Gizmore 7915 8y 89d 1.19 2.47 2.65 Jan 02, 2018 - 17:13:16 Questions
1 Training: WWW-Robots by Gizmore 7110 8y 60d 1.10 3.57 3.41 Feb 11, 2018 - 05:46:55 Questions
1 Training: ASCII by Gizmore 8389 7y 338d 0.51 1.77 1.65 Jan 02, 2018 - 17:03:46 Questions
1 Encodings: URL by Gizmore 7655 7y 338d 0.75 2.01 2.34 Jan 02, 2018 - 17:16:27 Questions
2 Prime Factory by ch0wch0w 5375 10y 324d 1.88 2.73 3.46 Questions
2 Training: Encodings I by Gizmore 3237 10y 251d 3.25 4.25 4.01 Questions
2 Training: Programming 1 by Gizmore 3481 10y 223d 2.85 4.62 4.86 Jan 02, 2018 - 17:42:45 Questions
2 Training: Regex by Gizmore 1913 8y 169d 4.13 5.99 5.12 Questions
2 Training: PHP LFI by Gizmore 3407 8y 140d 2.85 5.10 4.90 Jan 02, 2018 - 17:31:46 Questions
2 PHP 0817 by Gizmore 4353 8y 105d 1.43 3.70 3.40 Jan 02, 2018 - 17:56:31 Questions
2 Training: Crypto - Transposition I by Gizmore 2555 8y 89d 2.31 3.34 4.09 Questions
2 Training: Crypto - Substitution I by Gizmore 2092 8y 89d 2.93 3.61 4.29 Questions
2 Training: Crypto - Caesar II by Gizmore 1682 8y 89d 2.90 3.69 4.78 Questions
2 Training: Crypto - Digraphs by Gizmore 771 8y 89d 3.93 4.34 5.15 Questions
2 Training: MySQL I by Gizmore 4108 8y 89d 2.11 4.02 4.31 Jan 04, 2018 - 12:19:29 Questions
2 Training: MySQL II by Gizmore 1993 8y 89d 4.68 5.96 6.17 Jan 14, 2018 - 09:04:20 Questions
2 Training: WWW-Basics by Gizmore 1380 8y 87d 2.25 4.34 3.98 Jan 14, 2018 - 09:12:00 Questions
2 Training: Register Globals by Gizmore 2185 8y 79d 2.59 4.54 4.67 Jan 04, 2018 - 12:59:33 Questions
2 Training: Math Pyramid by Gizmore 1327 8y 79d 4.10 4.27 5.47 Questions
2 Training: Baconian by Gizmore 1107 8y 72d 3.22 4.52 4.71 Questions
2 Training: LSB by Gizmore 1483 8y 60d 3.44 5.53 5.36 Questions
2 Training: GPG by Gizmore 782 8y 48d 2.95 6.13 4.64 Questions
2 Limited Access by wannabe7331 1841 8y 25d 2.83 4.77 4.41 Jan 14, 2018 - 09:20:09 Questions
2 Limited Access Too by wannabe7331 and lordOric 1338 8y 22d 3.04 4.91 4.68 Jan 14, 2018 - 09:27:56 Questions
2 Shadowlamb - Chapter I by Gizmore 269 7y 208d 2.70 2.81 7.49 Questions
2 Training: Warchall - The Beginning by WarChallStaff 1449 7y 62d 2.39 4.58 7.45 Questions
2 Repeating History by space and Gizmore 405 6y 348d 3.43 3.32 4.57 Questions
2 PHP My Admin by Gizmore 326 6y 343d 3.45 3.45 3.41 Jan 14, 2018 - 10:33:07 Questions
2 Training: Caterpillar by Gizmore 154 6y 329d 3.79 3.21 3.33 Questions
2 AUTH me by Gizmore 294 5y 219d 3.32 5.42 4.97 Questions
2 Interesting by Gizmore 169 4y 311d 3.53 4.47 6.53 Questions
2 Wanda by Gizmore 27 2y 128d 3.78 4.33 6.56 Questions
2 Railsbin by Gizmore 49 1y 75d 2.46 3.38 5.08 Questions
3 Connect the Dots by galen 746 10y 324d 3.35 4.00 5.69 Questions
3 hi by Gizmore 1635 10y 324d 2.41 3.53 3.72 Questions
3 Stegano Woman by Z 314 10y 298d 3.70 4.00 5.23 Questions
3 Flow Over Astronomy by anto 314 10y 223d 4.47 5.47 5.56 Questions
3 Towers of Hanoi by Z 202 10y 223d 4.69 5.42 6.88 Questions
3 Enlightment by anto 981 10y 106d 5.08 4.78 6.21 Questions
3 Simply Red by anto 216 10y 106d 5.29 5.43 6.54 Questions
3 htmlspecialchars by Gizmore and Kender 863 9y 338d 3.43 5.16 4.23 Questions
3 Impossible n'est pas français by CommComm 351 9y 330d 2.84 3.68 6.16 Questions
3 PHP 0815 by Gizmore 866 9y 271d 3.88 5.38 5.21 Questions
3 Guesswork by Gizmore 1413 9y 271d 3.43 2.37 3.63 Questions
3 No Escape by Gizmore 2065 8y 181d 3.99 5.52 5.51 Jan 02, 2018 - 15:01:10 Questions
3 Training: Crypto - Substitution II by Gizmore 399 8y 89d 3.62 3.80 5.24 Questions
3 Training: WWW-Rewrites by Gizmore 372 8y 87d 3.39 5.25 5.64 Questions
3 Stegano Attachment by Gizmore 1520 8y 48d 2.31 3.91 4.46 Jan 19, 2018 - 14:37:56 Questions
3 Zebra by hirsch 1051 8y 31d 2.23 3.01 4.91 Questions
3 Pimitive Encryption by Gizmore 309 7y 300d 3.51 5.00 7.04 Questions
3 Vermeer by XcrAckX 188 7y 214d 3.91 3.94 5.74 Questions
3 Stop us by noother and Gizmore 252 7y 182d 4.35 5.84 6.23 Questions
3 PHP 0818 by noother 840 7y 167d 3.09 4.86 5.07 Feb 26, 2018 - 03:29:23 Questions
3 Are you serial by Gizmore 527 7y 139d 3.37 5.76 5.73 Jan 14, 2018 - 10:17:17 Questions
3 Shadowlamb - Chapter II by Gizmore 77 7y 72d 4.29 3.59 7.71 Questions
3 SSH... Z is sleeping by Z 119 7y 4d 5.27 8.14 7.68 Questions
3 eXtract Me by oleg 109 6y 323d 5.33 5.88 6.71 Questions
3 PHP 0819 by space 586 6y 311d 4.54 6.26 6.46 Feb 26, 2018 - 04:20:52 Questions
3 Illuminati by Gizmore 58 5y 136d 3.64 5.45 5.91 Questions
3 Britcoin by Gizmore 20 343d 19h 2.73 4.55 6.27 Questions
3 Rubik's Cube by space 11 130d 23h 5.14 4.43 6.29 Questions
4 bill for Bill by Z 459 10y 273d 4.67 6.00 8.54 Questions
4 Trivia by Z and Gizmore 698 10y 234d 5.45 6.35 7.24 Questions
4 PHP 0816 by Gizmore 638 9y 254d 3.87 5.94 5.50 Questions
4 Quangcurrency by quangntenemy and Gizmore 237 9y 180d 3.79 6.00 6.74 Questions
4 Addslashes by Gizmore 685 9y 179d 5.52 7.24 6.59 Questions
4 Yourself PHP by Gizmore and Kender 566 8y 181d 4.45 6.96 6.13 Questions
4 The Guestbook by Gizmore 643 8y 181d 4.90 6.54 7.10 Questions
4 Crappyshare by Gizmore 465 8y 181d 3.82 5.38 6.10 Questions
4 Paranoid by Gizmore 128 8y 181d 3.33 1.89 5.04 Questions
4 MD5.SALT by Gizmore 496 8y 105d 5.30 6.43 7.08 Jan 04, 2018 - 16:11:55 Questions
4 Training: Bacon Returns by Gizmore 147 8y 58d 4.19 3.31 3.38 Questions
4 Tracks by Gizmore 732 7y 188d 2.64 3.29 3.59 Questions
4 Training: RegexMini by ludde 552 7y 154d 4.48 6.17 5.50 Jan 14, 2018 - 09:59:09 Questions
4 Identity by Gizmore 95 7y 72d 5.12 5.81 8.42 Questions
4 Shadowlamb - Chapter III by Gizmore 37 7y 47d 4.33 1.11 8.11 Questions
4 Burning Fox by Gizmore 130 7y 19h 4.90 6.52 8.33 Questions
4 Choose your Path by Mart and Gizmore 479 6y 340d 4.32 5.73 6.70 Questions
4 Choose your Path II by Mart and Gizmore 276 6y 337d 4.30 5.61 6.91 Questions
4 Chessy Hawks by Jinx 30 6y 325d 5.43 2.71 4.43 Questions
4 Py-Tong by space 357 6y 318d 4.29 6.39 6.68 Questions
4 Warchall: Live LFI by Gizmore 462 6y 266d 3.85 4.70 6.30 Questions
4 Warchall: Live RFI by Gizmore 418 6y 266d 3.59 5.03 6.65 Questions
4 HOST me by space 342 5y 220d 5.46 7.32 6.96 Questions
4 Warchall: Live RCE by phiber and nurfed 205 5y 60d 5.89 7.33 7.33 Questions
4 Training: Net Ports by Gizmore 377 4y 268d 3.14 4.67 4.81 Questions
5 Can you read me by Gizmore 404 10y 324d 3.77 5.67 5.60 Questions
5 Lettergrid by Gizmore 139 10y 324d 4.86 4.79 5.36 Questions
5 The Nap by Z 47 10y 324d 5.75 7.94 7.88 Questions
5 Sudoku I by Gizmore 119 10y 273d 7.53 7.50 7.97 Questions
5 DropDaBass by anto 25 10y 223d 6.30 5.30 5.70 Questions
5 Sidology by Gizmore 291 10y 223d 4.13 4.45 7.29 Questions
5 Out of the Cloud by anto 39 10y 216d 5.86 4.43 6.36 Questions
5 A Black Hats Tale by Z 194 10y 179d 6.00 7.66 7.97 Questions
5 Fix Us by Z and Gizmore 84 9y 336d 5.77 7.27 6.73 Questions
5 Table Names by Gizmore 614 8y 181d 5.06 6.24 6.57 Jan 04, 2018 - 14:12:51 Questions
5 The Last Hope by bsdhell 100 8y 169d 7.18 7.18 8.41 Questions
5 WC Hashing Game by Gizmore 186 8y 84d 4.21 4.94 5.88 Questions
5 The Travelling Customer by Gizmore 82 8y 31d 5.70 6.90 7.45 Questions
5 Preg Evasion by noother 112 7y 301d 7.00 9.14 8.45 Questions
5 Blinded by the light by Gizmore 311 7y 243d 6.06 7.48 7.72 Questions
5 Smile by livinskull and Gizmore 68 7y 214d 6.00 6.71 7.65 Questions
5 Inka by Gizmore 24 6y 361d 5.67 6.78 8.11 Questions
5 Shadowlamb - Chapter IV by Gizmore 24 6y 190d 4.38 2.62 5.88 Questions
5 Time to Reset by Gizmore 86 6y 148d 5.48 7.19 7.43 Questions
5 Brainfucked by Gizmore 171 5y 136d 4.12 5.65 6.58 Questions
5 QMine by quangntenemy 18 5y 136d 6.50 5.50 6.33 Questions
5 Zen by Gizmore 17 2y 75d 4.33 3.67 6.17 Questions
6 Morsed by Gizmore 59 10y 324d 6.69 7.00 7.08 Questions
6 Count, don't wonder by galen 29 10y 324d 5.75 5.50 7.38 Questions
6 Letterworm by Gizmore 88 10y 324d 5.06 5.56 7.00 Questions
6 Anderson Application Auditing by Z 168 10y 298d 6.36 8.83 9.17 Questions
6 The Cookie is a lie by Z 64 10y 158d 3.72 5.44 6.94 Questions
6 Malware by Z 191 10y 36d 4.00 5.46 6.77 Questions
6 Z - Reloaded by Z and Gizmore 127 9y 175d 5.74 7.55 8.06 Questions
6 Credit Card Challenge Pwned! by Z 57 9y 175d 5.67 7.10 8.62 Questions
6 GizCrypt by Gizmore 134 8y 169d 5.08 5.69 7.54 Questions
6 B.AiM by BAIM and Gizmore 19 8y 31d 5.86 7.00 7.43 Questions
6 Fremes by Gizmore 20 7y 214d 5.73 5.55 8.27 Questions
6 Babbage and Coldplay by ludde 40 7y 151d 6.11 5.89 7.33 Questions
6 Blinded by the lighter by kwisatz 169 7y 98d 7.56 8.62 8.78 Questions
6 Warchall: Tryouts by matrixman 88 6y 292d 8.00 9.00 9.07 Questions
6 Are you blind? by Mawekl 99 6y 197d 7.06 8.06 8.81 Questions
6 Light in the Darkness by Mawekl 119 6y 197d 7.44 8.75 7.62 Questions
6 Three Times Sad by dloser 6 5y 50d 8.00 8.50 8.00 Questions
6 Table Names II by nurfed 271 5y 12d 5.67 8.15 7.85 Questions
6 Experience by Gizmore 12 4y 283d 5.50 6.75 7.25 Questions
6 Disclosures by Gizmore and dloser 17 4y 240d 6.86 6.86 7.86 Questions
6 Nippon by Gizmore and lazer 5 2y 236d 8.00 7.00 9.67 Questions
7 Save the World by Z 182 10y 324d 6.46 7.96 7.89 Questions
7 Screwed Signup by Gizmore 212 9y 336d 6.00 7.50 7.37 Questions
7 Order By Query by Gizmore 440 9y 175d 6.38 7.52 7.27 Questions
7 Snake by Gizmore and lazer 45 8y 181d 5.64 6.14 8.71 Questions
7 Speed Your Way To VICtory by Jander 18 7y 287d 8.62 8.88 8.62 Questions
7 Training: Warchall - 7 Tropical Fruits by tropic 142 7y 62d 6.35 7.94 8.12 Questions
7 What is your Name? by Mawekl 33 6y 197d 7.12 8.12 7.88 Questions
7 Time to Reset II by Gizmore and noother 22 6y 144d 8.45 9.82 9.82 Questions
7 Stalking by Gizmore 8 5y 219d 5.67 5.00 10.00 Questions
7 Warchall: Nurxxed by nurfed 15 5y 37d 8.00 10.00 8.33 Questions
8 Agent Larry by Z 43 10y 324d 6.92 8.08 8.58 Questions
8 Crackcha by Gizmore 32 8y 60d 7.93 9.50 9.21 Questions
8 2013 New Years Special by quangntenemy 11 4y 256d 7.67 8.17 7.83 Questions
9 The BrownOS by dloser 3 4y 276d 10.00 6.00 10.00 Questions