I am a student of Taganrog Institute of Technology, Southern Federal University. I like programing, reverse engineering, and etc. I'm member of our institute CTF team.
Also I like play football, spend a lot of time for reading,
and don't enough speak english.

Favorite sites
Country
Username	kostya_
Score	9
Global Rank	17323
Country Rank	71
Register Date	Dec 03, 2009 - 22:10:11
Last Activity	Dec 26, 2009 - 13:56:18
Profile Views	16735
EMail	_kostyaat xakep[dot]ru
ICQ	592491260

WeChall

Site	Score	Username	Progress	Last Update
WeChall	9	kostya_	0.82%	Dec 03, 2009 - 22:29:10

kostya_`s latest activites
Dec 03, 2009 - 22:29:10	Gained 1.10% on WeChall (0 points)
Dec 03, 2009 - 22:28:47	Gained 0.55% on WeChall (0 points)
Dec 03, 2009 - 22:27:21	Gained 0.55% on WeChall (0 points)
Dec 03, 2009 - 22:24:51	Gained 0.55% on WeChall (0 points)

Challenge(s) Overview for kostya_
Score	Title	Author	Solvers	Age	Difficulty	Education	Fun	Solved at	Forums
1	Training: Get Sourced by Gizmore		16435	12y 295d	0.46	1.69	2.13	Dec 03, 2009 - 22:24:49
1	Training: Stegano I by Gizmore		11293	12y 194d	1.09	2.54	2.53	Dec 03, 2009 - 22:27:19
1	Training: Crypto - Caesar I by Gizmore		10716	10y 60d	1.19	2.45	2.68
1	Training: WWW-Robots by Gizmore		9454	10y 31d	1.19	3.51	3.39
1	Training: ASCII by Gizmore		11043	9y 309d	0.55	1.80	1.63
1	Encodings: URL by Gizmore		10003	9y 309d	0.78	2.01	2.37
2	Prime Factory by ch0wch0w		6903	12y 295d	1.97	2.77	3.37	Dec 03, 2009 - 22:28:46
2	Training: Encodings I by Gizmore		4494	12y 222d	3.32	4.29	3.85	Dec 03, 2009 - 22:29:08
2	Training: Programming 1 by Gizmore		4485	12y 194d	2.86	4.57	4.75
2	Training: Regex by Gizmore		2666	10y 140d	4.19	6.16	5.17
2	Training: PHP LFI by Gizmore		4376	10y 111d	2.88	5.12	4.86
2	PHP 0817 by Gizmore		5429	10y 76d	1.58	3.76	3.44
2	Training: Crypto - Transposition I by Gizmore		3442	10y 60d	2.39	3.28	4.09
2	Training: Crypto - Substitution I by Gizmore		2807	10y 60d	3.01	3.56	4.30
2	Training: Crypto - Caesar II by Gizmore		2260	10y 60d	2.94	3.60	4.63
2	Training: Crypto - Digraphs by Gizmore		1074	10y 60d	4.15	4.23	5.04
2	Training: MySQL I by Gizmore		5207	10y 60d	2.16	4.13	4.34
2	Training: MySQL II by Gizmore		2644	10y 60d	4.80	5.93	5.98
2	Training: WWW-Basics by Gizmore		1550	10y 58d	2.24	4.27	3.81
2	Training: Register Globals by Gizmore		2684	10y 50d	2.59	4.55	4.65
2	Training: Math Pyramid by Gizmore		1674	10y 50d	4.16	4.12	5.32
2	Training: Baconian by Gizmore		1476	10y 43d	3.16	4.41	4.58
2	Training: LSB by Gizmore		1847	10y 31d	3.49	5.52	5.36
2	Training: GPG by Gizmore		953	10y 18d	2.96	6.18	4.62
2	Limited Access by wannabe7331		2267	9y 361d	2.70	4.62	4.29
2	Limited Access Too by wannabe7331 and lordOric		1615	9y 358d	3.00	4.84	4.57
2	Shadowlamb - Chapter I by Gizmore		336	9y 179d	2.77	2.53	7.10
2	Training: Warchall - The Beginning by WarChallStaff		1745	9y 33d	2.48	4.67	7.40
2	Repeating History by space and Gizmore		566	8y 318d	3.51	3.40	4.55
2	PHP My Admin by Gizmore		550	8y 313d	3.38	2.85	3.03
2	Training: Caterpillar by Gizmore		300	8y 299d	4.29	3.51	3.37
2	AUTH me by Gizmore		440	7y 190d	3.50	5.28	4.72
2	Interesting by Gizmore		208	6y 282d	3.60	4.48	6.52
2	Wanda by Gizmore		46	4y 99d	4.27	3.87	5.53
2	Railsbin by Gizmore		79	3y 46d	2.68	3.37	4.89
2	Factor 2 by Gizmore		73	1y 84d	2.40	3.47	6.60
3	Connect the Dots by galen		878	12y 295d	3.41	3.92	5.38
3	hi by Gizmore		1864	12y 295d	2.42	3.34	3.53
3	Stegano Woman by Z		419	12y 269d	3.82	4.11	5.39
3	Flow Over Astronomy by anto		355	12y 194d	4.39	5.32	5.37
3	Towers of Hanoi by Z		217	12y 194d	4.68	5.43	6.89
3	Enlightment by anto		1058	12y 77d	5.05	4.72	6.09
3	Simply Red by anto		284	12y 77d	5.16	5.38	6.53
3	htmlspecialchars by Gizmore and Kender		1005	11y 309d	3.46	4.94	4.04
3	Impossible n'est pas français by CommComm		401	11y 301d	2.88	3.63	6.07
3	PHP 0815 by Gizmore		999	11y 242d	4.00	5.37	5.21
3	Guesswork by Gizmore		1523	11y 242d	3.52	2.29	3.60
3	No Escape by Gizmore		2289	10y 152d	4.04	5.51	5.47
3	Training: Crypto - Substitution II by Gizmore		463	10y 60d	3.61	3.80	5.24
3	Training: WWW-Rewrites by Gizmore		406	10y 58d	3.34	5.18	5.45
3	Stegano Attachment by Gizmore		1766	10y 18d	2.46	3.96	4.48
3	Zebra by hirsch		1361	10y 2d	2.23	2.94	4.98
3	Pimitive Encryption by Gizmore		360	9y 271d	3.40	4.85	6.81
3	Vermeer by XcrAckX		212	9y 185d	3.95	4.08	5.77
3	Stop us by noother and Gizmore		292	9y 153d	4.56	5.89	6.28
3	PHP 0818 by noother		1003	9y 138d	3.15	4.76	4.90
3	Are you serial by Gizmore		574	9y 110d	3.35	5.60	5.58
3	Shadowlamb - Chapter II by Gizmore		87	9y 43d	4.45	4.00	7.73
3	SSH... Z is sleeping by Z		147	8y 340d	5.26	7.89	7.59
3	eXtract Me by oleg		130	8y 294d	5.46	6.07	6.75
3	PHP 0819 by space		670	8y 282d	4.48	5.98	6.02
3	Illuminati by Gizmore		71	7y 106d	3.79	5.64	5.86
3	Britcoin by Gizmore		28	2y 314d	2.77	4.85	6.31
3	Rubik's Cube by space		21	2y 101d	4.89	4.11	6.22
4	bill for Bill by Z		486	12y 244d	4.66	6.01	8.55
4	Trivia by Z and Gizmore		747	12y 205d	5.26	6.32	7.20
4	PHP 0816 by Gizmore		711	11y 225d	3.91	5.72	5.34
4	Quangcurrency by quangntenemy and Gizmore		266	11y 151d	3.72	5.92	6.67
4	Addslashes by Gizmore		787	11y 150d	5.41	7.22	6.55
4	Yourself PHP by Gizmore and Kender		648	10y 152d	4.51	6.75	5.97
4	The Guestbook by Gizmore		712	10y 152d	4.89	6.49	7.07
4	Crappyshare by Gizmore		533	10y 152d	3.91	5.59	6.20
4	Paranoid by Gizmore		147	10y 152d	3.16	1.78	5.00
4	MD5.SALT by Gizmore		568	10y 76d	5.12	6.33	6.95
4	Training: Bacon Returns by Gizmore		189	10y 29d	4.33	3.28	3.39
4	Tracks by Gizmore		832	9y 159d	2.60	3.20	3.43
4	Training: RegexMini by ludde		601	9y 125d	4.39	6.08	5.43
4	Identity by Gizmore		117	9y 43d	5.07	5.70	8.27
4	Shadowlamb - Chapter III by Gizmore		43	9y 18d	3.82	1.36	8.36
4	Burning Fox by Gizmore		141	8y 336d	5.00	6.75	8.33
4	Choose your Path by Mart and Gizmore		520	8y 311d	4.26	5.70	6.70
4	Choose your Path II by Mart and Gizmore		310	8y 308d	4.24	5.48	6.80
4	Chessy Hawks by Jinx		46	8y 296d	5.43	2.71	4.43
4	Py-Tong by space		397	8y 288d	4.30	6.27	6.63
4	Warchall: Live LFI by Gizmore		533	8y 237d	3.76	4.66	6.08
4	Warchall: Live RFI by Gizmore		471	8y 237d	3.51	4.92	6.31
4	HOST me by space		379	7y 190d	5.38	7.28	6.86
4	Warchall: Live RCE by phiber and nurfed		239	7y 31d	5.86	7.33	7.29
4	Training: Net Ports by Gizmore		414	6y 239d	3.12	4.83	4.67
4	Training: Time is of the Essence by Gizmore		18	103d 23h	4.67	6.00	8.11
5	Can you read me by Gizmore		452	12y 295d	3.82	5.82	5.65
5	Lettergrid by Gizmore		153	12y 295d	4.76	4.59	5.24
5	The Nap by Z		52	12y 295d	5.72	8.00	7.89
5	Sudoku I by Gizmore		141	12y 244d	7.49	7.63	8.00
5	DropDaBass by anto		30	12y 194d	6.54	5.15	5.62
5	Sidology by Gizmore		316	12y 194d	4.16	4.47	7.40
5	Out of the Cloud by anto		40	12y 187d	5.86	4.43	6.36
5	A Black Hats Tale by Z		206	12y 149d	5.95	7.74	8.00
5	Fix Us by Z and Gizmore		85	11y 307d	5.77	7.27	6.73
5	Table Names by Gizmore		696	10y 152d	4.83	6.06	6.36
5	The Last Hope by bsdhell		111	10y 140d	7.22	7.17	8.33
5	WC Hashing Game by Gizmore		201	10y 55d	4.22	5.16	6.03
5	The Travelling Customer by Gizmore		93	10y 2d	5.70	6.96	7.57
5	Preg Evasion by noother		126	9y 272d	6.96	9.12	8.52
5	Blinded by the light by Gizmore		354	9y 214d	6.04	7.42	7.66
5	Smile by livinskull and Gizmore		76	9y 185d	5.84	6.79	7.74
5	Inka by Gizmore		28	8y 332d	5.90	6.90	7.90
5	Shadowlamb - Chapter IV by Gizmore		29	8y 161d	4.50	2.80	5.30
5	Time to Reset by Gizmore		99	8y 119d	5.58	7.21	7.38
5	Brainfucked by Gizmore		212	7y 106d	4.13	5.32	6.06
5	QMine by quangntenemy		19	7y 106d	6.50	5.50	6.33
5	Zen by Gizmore		26	4y 46d	4.80	4.10	6.30
5	2020 Christmas Special by quangntenemy and Gizmore		6	35d 4h	3.50	4.50	9.00
6	Morsed by Gizmore		69	12y 295d	6.31	6.88	6.94
6	Count, don't wonder by galen		32	12y 295d	5.89	5.44	7.33
6	Letterworm by Gizmore		94	12y 294d	5.00	5.53	6.88
6	Anderson Application Auditing by Z		185	12y 269d	6.36	8.85	9.18
6	The Cookie is a lie by Z		66	12y 128d	3.79	5.42	6.95
6	Malware by Z		198	12y 7d	4.07	5.52	6.74
6	Z - Reloaded by Z and Gizmore		133	11y 146d	5.79	7.61	8.15
6	Credit Card Challenge Pwned! by Z		59	11y 146d	5.68	7.09	8.59
6	GizCrypt by Gizmore		149	10y 140d	5.00	5.69	7.52
6	B.AiM by BAIM and Gizmore		20	10y 2d	5.86	7.00	7.43
6	Fremes by Gizmore		24	9y 185d	5.75	5.50	8.33
6	Babbage and Coldplay by ludde		42	9y 122d	6.00	5.91	7.27
6	Blinded by the lighter by kwisatz		183	9y 69d	7.58	8.58	8.67
6	Warchall: Tryouts by matrixman		106	8y 263d	8.00	8.94	9.00
6	Are you blind? by Mawekl		111	8y 168d	6.83	7.89	8.61
6	Light in the Darkness by Mawekl		133	8y 168d	7.24	8.71	7.41
6	Three Times Sad by dloser		8	7y 21d	8.20	8.20	8.40
6	Table Names II by nurfed		305	6y 348d	5.55	8.10	7.72
6	Experience by Gizmore		16	6y 254d	6.43	6.14	6.43
6	Disclosures by Gizmore and dloser		18	6y 211d	7.00	6.75	7.62
6	Nippon by Gizmore and lazer		6	4y 207d	8.00	7.00	9.67
7	Save the World by Z		202	12y 295d	6.52	7.94	7.87
7	Screwed Signup by Gizmore		237	11y 307d	5.91	7.53	7.53
7	Order By Query by Gizmore		479	11y 146d	6.38	7.51	7.29
7	Snake by Gizmore and lazer		46	10y 152d	5.64	6.14	8.71
7	Speed Your Way To VICtory by Jander		19	9y 258d	8.67	8.56	8.56
7	Training: Warchall - 7 Tropical Fruits by tropic		158	9y 33d	6.33	7.89	8.00
7	What is your Name? by Mawekl		36	8y 168d	7.33	8.33	7.78
7	Time to Reset II by Gizmore and noother		23	8y 115d	8.45	9.82	9.82
7	Stalking by Gizmore		10	7y 190d	6.50	5.25	10.00
7	Warchall: Nurxxed by nurfed		19	7y 8d	8.50	10.00	9.00
7	Old Years Eve 2020 by Gizmore		7	27d 16h	6.00	4.33	5.00
7	Memorized by Gizmore		7	10d 19h	4.33	6.67	8.00
8	Agent Larry by Z		46	12y 295d	6.77	8.08	8.54
8	Crackcha by Gizmore		37	10y 31d	8.18	9.59	9.35
8	2013 New Years Special by quangntenemy		13	6y 227d	8.00	8.29	7.86
9	The BrownOS by dloser		3	6y 247d	10.00	6.00	10.00