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Scored Challenges
All
Browse Folder
Training Challenges
Score
Title
Author
Solvers
Age
Votes
Difficulty
Education
Fun
Forums
1
CGX#3: Binary Encoding
by
gizmore
and
x
163
124d 3h
15
0.27
2.47
1.40
4
Fineprint
by
gizmore
6
298d 3h
5
4.40
4.40
6.60
2
Training: Checksums
by
gizmore
40
298d 3h
11
1.82
0.91
3.18
1
Training: No DNS
by
gizmore
128
1y 50d
20
1.90
3.75
6.35
4
Training: Time is of the Essence
by
gizmore
33
2y 241d
14
5.07
6.64
8.43
2
Factor 2
by
Gizmore
147
3y 222d
20
2.55
3.70
6.85
2
AUTH me
by
Gizmore
542
9y 327d
44
3.55
5.25
4.68
4
Training: RegexMini
by
ludde
631
11y 263d
50
4.36
6.10
5.44
1
Encodings: URL
by
Gizmore
11343
12y 81d
700
0.80
2.07
2.43
1
Training: ASCII
by
Gizmore
12601
12y 81d
810
0.55
1.82
1.66
5
The Travelling Customer
by
Gizmore
100
12y 139d
25
5.80
6.88
7.60
3
Zebra
by
hirsch
1592
12y 139d
142
2.23
2.93
4.95
3
Stegano Attachment
by
Gizmore
1927
12y 156d
151
2.54
3.98
4.50
2
Training: GPG
by
Gizmore
1039
12y 156d
100
2.86
6.22
4.78
4
Training: Bacon Returns
by
Gizmore
220
12y 166d
21
4.62
3.67
3.76
2
Training: LSB
by
Gizmore
2031
12y 169d
149
3.44
5.48
5.36
1
Training: WWW-Robots
by
Gizmore
10795
12y 169d
764
1.21
3.51
3.39
2
Training: Baconian
by
Gizmore
1683
12y 181d
128
3.15
4.42
4.63
2
Training: Math Pyramid
by
Gizmore
1839
12y 188d
140
4.11
4.14
5.33
2
Training: Register Globals
by
Gizmore
2960
12y 188d
196
2.57
4.55
4.62
3
Training: WWW-Rewrites
by
Gizmore
431
12y 196d
39
3.33
5.15
5.41
2
Training: WWW-Basics
by
Gizmore
1638
12y 196d
151
2.19
4.20
3.78
2
Training: MySQL II
by
Gizmore
2975
12y 198d
213
4.82
5.97
6.00
2
Training: MySQL I
by
Gizmore
5813
12y 198d
432
2.13
4.18
4.30
2
Training: Crypto - Digraphs
by
Gizmore
1223
12y 198d
130
4.27
4.45
5.29
1
Training: Crypto - Caesar I
by
Gizmore
12312
12y 198d
808
1.20
2.48
2.71
2
Training: Crypto - Caesar II
by
Gizmore
2551
12y 198d
175
2.97
3.67
4.67
3
Training: Crypto - Substitution II
by
Gizmore
518
12y 198d
57
3.65
3.93
5.40
2
Training: Crypto - Substitution I
by
Gizmore
3154
12y 198d
187
3.07
3.62
4.38
2
Training: Crypto - Transposition I
by
Gizmore
3872
12y 198d
253
2.43
3.30
4.11
2
Training: PHP LFI
by
Gizmore
4875
12y 249d
320
2.89
5.21
4.93
2
Training: Regex
by
Gizmore
3053
12y 278d
312
4.17
6.12
5.11
2
Training: Programming 1
by
Gizmore
4983
14y 332d
239
2.87
4.61
4.83
1
Training: Stegano I
by
Gizmore
12996
14y 332d
853
1.08
2.57
2.60
2
Training: Encodings I
by
Gizmore
5118
14y 360d
329
3.31
4.33
3.95
2
Prime Factory
by
ch0wch0w
7655
15y 68d
563
1.98
2.80
3.35
1
Training: Get Sourced
by
Gizmore
18857
15y 68d
1765
0.48
1.73
2.18