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Challenges
Scores are based on the number of solves.
Haruul Zangi: 2013
Haruul Zangi: 2018
Haruul Zangi: 2019
Haruul Zangi: 2020
Haruul Zangi: 2021
Haruul Zangi: 2022
Haruul Zangi: 2023
Haruul Zangi: 2024
Haruul Zangi: 2025
9 contests
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Cryptography
Forensics
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OSINT
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Pwn
Reverse Engineering
Steganography
Web
Challenges matching the selected filters
#
Name
Category
Authors
Score
Solves
1
UMLaa for ULMaa
Miscellaneous
zjzoloo
972
8
2
Linux MemHunt: Flag 1
Forensics
Id3r
922
13
3
ez ROP
Pwn
enhbold
922
13
4
ROP 2025
Pwn
enhbold
922
13
5
Linux MemHunt: Flag 2
Forensics
Id3r
909
14
6
1950 Matrix
Miscellaneous
zjzoloo
909
14
7
UAF
Pwn
enhbold
909
14
8
At the end
Cryptography
unknown
895
15
9
Memhunt
Forensics
Id3r
895
15
10
Remnant of Cicada
Miscellaneous
Saruul
895
15
11
Simple Binary
Miscellaneous
unknown
895
15
12
Weapon rev shop
Miscellaneous
Bekkaze
895
15
13
Stack swing
Pwn
enhbold
895
15
14
Secret Note
Forensics
Id3r
880
16
15
100 triangles
Miscellaneous
unknown
880
16
16
NoobSaiBotSSuper
Cryptography
w01f
864
17
17
Hidden Warrior APK
Reverse Engineering
enhbold
864
17
18
Khan's Secret Code
Reverse Engineering
Bekkaze
864
17
19
Shuffle
Cryptography
Khulegu
847
18
20
Find the correct flag
Miscellaneous
unknown
810
20
21
Hid2
Miscellaneous
zjzoloo
790
21
22
Need help
Miscellaneous
unknown
790
21
23
St3g4N0
Forensics
Id3r
769
22
24
Handshake
Cryptography
Flame
747
23
25
Symbols
Cryptography
zjzoloo
747
23
26
Bus 2
Forensics
Id3r
747
23
27
Kano
Cryptography
unknown
700
25
28
Flag Crypto
Forensics
unknown
700
25
29
Shopthing
Web
Khulegu
700
25
30
DigMe: Flag 2
Forensics
unknown
675
26
31
R4B B1T
Reverse Engineering
zjzoloo
675
26
32
Weakryption
Cryptography
Flame
649
27
33
Bus
Forensics
Id3r
649
27
34
M4th
Forensics
Id3r
649
27
35
Heavy One
Forensics
unknown
622
28
36
Ghost hunting
Miscellaneous
unknown
565
30
37
vaultkey
Reverse Engineering
unknown
535
31
38
The Silent Post
Steganography
zjzoloo
535
31
39
The Gerege Revenge
Web
khangal
535
31
40
MATHrix
Cryptography
zjzoloo
504
32
41
PyJail
Miscellaneous
unknown
504
32
42
Twins
Miscellaneous
unknown
504
32
43
Гяндан
Miscellaneous
Bilgee
504
32
44
The Wisdom of the Eternal Blue Sky
Reverse Engineering
bekkaze
504
32
45
Hash Game
Cryptography
Saruul
472
33
46
Horde's Base
Cryptography
zjzoloo
472
33
47
Khan's Factorization Raid
Cryptography
zjzoloo
472
33
48
Nomad's Key
Cryptography
zjzoloo
472
33
49
keygen
Reverse Engineering
jur
472
33
50
Neo
Reverse Engineering
zjzoloo
472
33
51
Lil Pump
Web
unknown
472
33
52
JPEG Killer
Forensics
reamb
439
34
53
The Great Exfiltration of the Steppe
Forensics
xyptonize
439
34
54
Troy
Web
Tsolmon
439
34
55
Vaccine
Reverse Engineering
unknown
405
35
56
Challenge 2
Reverse Engineering
unknown
370
36
57
Compose Your Flag: Flag 2
Reverse Engineering
Flame
370
36
58
DigMe: Flag 1
Forensics
unknown
334
37
59
Dumpster Diving
Miscellaneous
unknown
334
37
60
Perception Yields Clarity
Reverse Engineering
zjzoloo
334
37
61
Legend Crypto
Web
unknown
334
37
62
New Era
Steganography
w01f
297
38
63
Green thing
Web
nurmukhammyed
297
38
64
Pickle
Web
unknown
297
38
65
Riddle
Web
unknown
297
38
66
1-р шатны дараа
Cryptography
zjzoloo
259
39
67
Brainrot
Cryptography
unknown
259
39
68
Hard RSA
Cryptography
Flame
259
39
69
The Hidden Gerege
Forensics
xyptonize
259
39
70
So easy rev
Reverse Engineering
unknown
220
40
71
Finite Steppe
Cryptography
zjzoloo
180
41
72
Primal
Cryptography
Flame
180
41
73
Weak Mac
Cryptography
unknown
180
41
74
Ихэр цамхаг
Miscellaneous
unknown
180
41
75
Big L or ll
Reverse Engineering
zjzoloo
180
41
76
Reality Security Access
Cryptography
zjzoloo
139
42
77
Kindergarten
Cryptography
zjzoloo
97
43
78
The Scribe's Little Oopsie
Cryptography
zjzoloo
97
43
79
Jax
Reverse Engineering
jur
97
43
80
Spike Boom
Reverse Engineering
unknown
97
43
81
Baby Forensic
Forensics
unknown
54
44
82
The Gerege
Web
khangal
54
44
83
Kitana
Forensics
unknown
10
45
84
Hunt begins
Reverse Engineering
unknown
10
45
85
Trinity's Hidden Door
Web
unknown
10
45
86
Warmup 2024
Cryptography
unknown
10
46
87
Least Significant Bit
Steganography
reamb
10
46
88
Holy Letter
Cryptography
zjzoloo
10
47
89
License key 2023
Reverse Engineering
unknown
10
47
90
Leaked
Forensics
unknown
10
48
91
reducted lvl
Forensics
unknown
10
48
92
Туг олох ажиллагаа
Forensics
Tuvshuud
10
48
93
Not used
Pwn
reamb
10
48
94
Shellcode
Pwn
reamb
10
49
95
pcap forensic 100
Forensics
unknown
10
50
96
py
Reverse Engineering
reamb
10
52
97
Vaccine API
Web
unknown
10
52
98
Өндөр чинь хэд вэ
Forensics
unknown
10
54
99
Who is your daddy?
Miscellaneous
unknown
10
54
100
Har tsagaan honi
Miscellaneous
zjzoloo
10
55
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