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158 / 201 438 / 16678


level1

Time of First Successful Submission: 2025-05-21 14:23:42

level2

Time of First Successful Submission: 2025-05-22 10:46:01

level3

Time of First Successful Submission: 2025-05-23 08:22:21

level4

Time of First Successful Submission: 2025-05-23 08:42:25

level5

Time of First Successful Submission: 2025-05-23 08:44:30

level6

Time of First Successful Submission: 2025-05-23 08:45:28

level7

Time of First Successful Submission: 2025-05-23 09:11:05

level8

Time of First Successful Submission: 2025-05-24 04:53:06

level9

Time of First Successful Submission: 2025-05-24 04:54:13

level10

Time of First Successful Submission: 2025-05-24 04:55:30

level11

Time of First Successful Submission: 2025-05-24 05:03:17

level12

Time of First Successful Submission: 2025-05-24 05:04:55

level13

Time of First Successful Submission: 2025-05-24 05:10:52

level14

Time of First Successful Submission: 2025-05-24 06:50:39

level15

Time of First Successful Submission: 2025-05-24 07:04:26

level16

Time of First Successful Submission: 2025-05-24 07:07:41

level17

Time of First Successful Submission: 2025-05-24 07:10:47

level18

Time of First Successful Submission: 2025-05-24 07:13:44

level19

Time of First Successful Submission: 2025-05-24 07:24:51

level20

Time of First Successful Submission: 2025-05-24 07:26:34

level21

Time of First Successful Submission: 2025-05-24 07:37:32

level22

Time of First Successful Submission: 2025-05-24 07:47:35

level23

Time of First Successful Submission: 2025-05-24 07:51:54

level24

Time of First Successful Submission: 2025-05-24 07:53:11

level25

Time of First Successful Submission: 2025-05-24 08:02:38

level26

Time of First Successful Submission: 2025-05-24 08:09:55

level27

Time of First Successful Submission: 2025-05-24 08:16:12

level28

Time of First Successful Submission: 2025-05-24 08:18:38

level29

Time of First Successful Submission: 2025-05-24 08:37:57

level30

Time of First Successful Submission: 2025-05-24 08:48:31

level31

Time of First Successful Submission: 2025-05-24 08:51:20

level32

Time of First Successful Submission: 2025-05-24 08:55:30

level33

Time of First Successful Submission: 2025-05-24 09:07:51

level34

Time of First Successful Submission: 2025-05-24 09:09:43

level35

Time of First Successful Submission: 2025-05-24 09:10:12

level36

Time of First Successful Submission: 2025-05-24 16:04:03

level37

Time of First Successful Submission: 2025-05-24 16:06:39

level38

Time of First Successful Submission: 2025-05-24 16:09:56

level39

Time of First Successful Submission: 2025-05-24 16:10:47

level40

Time of First Successful Submission: 2025-05-24 17:06:46

level41

Time of First Successful Submission: 2025-05-24 17:39:34

level42

Time of First Successful Submission: 2025-05-25 08:47:33

level43

Time of First Successful Submission: 2025-05-25 08:48:25

level44

Time of First Successful Submission: 2025-05-25 08:50:34

level45

Time of First Successful Submission: 2025-05-25 08:52:15

level46

Time of First Successful Submission: 2025-05-25 08:54:31

level47

Time of First Successful Submission: 2025-05-25 09:03:45

level48

Time of First Successful Submission: 2025-05-25 09:15:32

level49

Time of First Successful Submission: 2025-05-25 09:19:33

level50

Time of First Successful Submission: 2025-05-25 09:21:26

level51

Time of First Successful Submission: 2025-05-25 09:23:01

level52

Time of First Successful Submission: 2025-05-25 09:27:23

level53

Time of First Successful Submission: 2025-05-25 09:47:29

level54

Time of First Successful Submission: 2025-05-25 09:54:21

level55

Time of First Successful Submission: 2025-05-25 09:58:45

level56

Time of First Successful Submission: 2025-05-25 09:59:51

level57

Time of First Successful Submission: 2025-05-25 10:00:44

level58

Time of First Successful Submission: 2025-05-25 10:03:35

level59

Time of First Successful Submission: 2025-05-25 10:06:16

level60

Time of First Successful Submission: 2025-05-25 10:30:06

level61

Time of First Successful Submission: 2025-05-25 10:32:10

level62

Time of First Successful Submission: 2025-05-25 10:33:07

level63

Time of First Successful Submission: 2025-05-25 10:34:12

level64

Time of First Successful Submission: 2025-05-25 10:52:42

level65

Time of First Successful Submission: 2025-05-25 10:54:25

level66

Time of First Successful Submission: 2025-05-25 12:58:02

level67

Time of First Successful Submission: 2025-05-25 13:04:10

level68

Time of First Successful Submission: 2025-05-25 13:31:16

level70

Time of First Successful Submission: 2025-05-25 13:35:16

level71

Time of First Successful Submission: 2025-05-25 13:38:33

level72

Time of First Successful Submission: 2025-05-25 13:43:12

level73

Time of First Successful Submission: 2025-05-25 13:53:24

level74

Time of First Successful Submission: 2025-05-25 13:58:14

level76

Time of First Successful Submission: 2025-05-25 14:01:40

level77

Time of First Successful Submission: 2025-05-25 14:03:20

level78

Time of First Successful Submission: 2025-05-25 14:07:33

level79

Time of First Successful Submission: 2025-05-25 15:17:51

level80

Time of First Successful Submission: 2025-05-25 15:28:18

level82

Time of First Successful Submission: 2025-05-25 15:33:05

level83

Time of First Successful Submission: 2025-05-25 15:35:03

level84

Time of First Successful Submission: 2025-05-25 15:41:26

level85

Time of First Successful Submission: 2025-05-25 15:47:47

level86

Time of First Successful Submission: 2025-05-25 15:50:42

level87

Time of First Successful Submission: 2025-05-25 15:58:56

level88

Time of First Successful Submission: 2025-05-25 16:26:12

level89

Time of First Successful Submission: 2025-05-25 16:32:23

level90

Time of First Successful Submission: 2025-05-25 16:44:20

level91

Time of First Successful Submission: 2025-05-25 16:51:21

level92

Time of First Successful Submission: 2025-05-25 16:59:15

level93

Time of First Successful Submission: 2025-05-25 17:01:43

level94

Time of First Successful Submission: 2025-05-25 17:16:43

level95

Time of First Successful Submission: 2025-05-25 17:20:35

level96

Time of First Successful Submission: 2025-05-25 17:21:38

level97

Time of First Successful Submission: 2025-05-25 17:45:46

level98

Time of First Successful Submission: 2025-05-25 18:59:20

level99

Time of First Successful Submission: 2025-05-25 19:08:24

level100

Time of First Successful Submission: 2025-05-25 19:10:27

level101

Time of First Successful Submission: 2025-05-26 03:27:25

level102

Time of First Successful Submission: 2025-05-26 03:28:22

level103

Time of First Successful Submission: 2025-05-26 03:34:11

level104

Time of First Successful Submission: 2025-05-26 03:35:32

level105

Time of First Successful Submission: 2025-05-26 03:39:25

level106

Time of First Successful Submission: 2025-05-26 10:43:28

level107

Time of First Successful Submission: 2025-05-26 11:02:43

level108

Time of First Successful Submission: 2025-05-26 11:16:04

level109

Time of First Successful Submission: 2025-05-26 11:25:09

level110

Time of First Successful Submission: 2025-05-26 12:06:52

level111

Time of First Successful Submission: 2025-05-26 12:10:24

level112

Time of First Successful Submission: 2025-05-26 12:13:25

level113

Time of First Successful Submission: 2025-05-26 12:15:18

level114

Time of First Successful Submission: 2025-05-26 12:21:00

level115

Time of First Successful Submission: 2025-05-26 12:21:55

level116

Time of First Successful Submission: 2025-05-26 14:13:15

level117

Time of First Successful Submission: 2025-05-26 14:14:35

level118

Time of First Successful Submission: 2025-05-26 14:19:55

level119

Time of First Successful Submission: 2025-05-26 14:21:38

level120

Time of First Successful Submission: 2025-05-26 14:40:29

level121

Time of First Successful Submission: 2025-05-26 15:06:09

level122

Time of First Successful Submission: 2025-05-26 15:19:19

level123

Time of First Successful Submission: 2025-05-26 15:21:20

level124

Time of First Successful Submission: 2025-05-26 15:23:12

level125

Time of First Successful Submission: 2025-05-26 16:05:23

level126

Time of First Successful Submission: 2025-05-26 16:13:02

level127

Time of First Successful Submission: 2025-05-26 16:49:07

level128

Time of First Successful Submission: 2025-05-26 16:58:52

level129

Time of First Successful Submission: 2025-05-27 06:07:39

level130

Time of First Successful Submission: 2025-05-27 06:15:40

level131

Time of First Successful Submission: 2025-05-27 06:16:29

level132

Time of First Successful Submission: 2025-05-27 06:19:34

level133

Time of First Successful Submission: 2025-05-27 06:21:05

level134

Time of First Successful Submission: 2025-05-27 06:54:19

level135

Time of First Successful Submission: 2025-05-27 07:10:12

level136

Time of First Successful Submission: 2025-05-27 07:11:37

level137

Time of First Successful Submission: 2025-05-27 07:14:22

level138

Time of First Successful Submission: 2025-05-27 07:15:40

level139

Time of First Successful Submission: 2025-05-27 10:02:15

level140

Time of First Successful Submission: 2025-05-27 13:44:44

level141

Time of First Successful Submission: 2025-05-27 12:54:47

level142

Time of First Successful Submission: 2025-05-27 13:04:27

Silenced Shellcode

Time of First Successful Submission: 2025-07-28 03:42:36

Shellcode Shuffle

Time of First Successful Submission: 2025-07-28 12:48:04

Shellcode Shuffle II

Time of First Successful Submission: 2025-07-28 12:54:34

Mmap Mirage (Easy)

Time of First Successful Submission: 2025-07-31 09:26:33

Mmap Mirage (Hard)

Time of First Successful Submission: 2025-07-31 10:52:13

Twisted Text (Easy)

Time of First Successful Submission: 2025-08-21 10:00:41

Twisted Text (Hard)

Time of First Successful Submission: 2025-08-21 10:02:23

Tidy Task (Easy)

Time of First Successful Submission: 2025-08-21 10:08:06

Tidy Task (Hard)

Time of First Successful Submission: 2025-08-21 10:08:59

Logical License (Easy)

Time of First Successful Submission: 2025-08-21 10:49:45

Logical License (Hard)

Time of First Successful Submission: 2025-08-21 10:58:36

Modest Mangler (Easy)

Time of First Successful Submission: 2025-08-26 13:47:28

Modest Mangler (Hard)

Time of First Successful Submission: 2025-08-26 14:24:12

This is Yancode (Easy)

Time of First Successful Submission: 2025-09-02 03:54:56

This is Yancode (Hard)

Time of First Successful Submission: 2025-09-02 04:01:59

Powered by Yancode (Easy)

Time of First Successful Submission: 2025-09-03 06:36:51

Powered by Yancode (Hard)

Time of First Successful Submission: 2025-09-03 06:44:07

Yancode Inside (Easy)

Time of First Successful Submission: 2025-09-03 07:14:19

Yancode Inside (Hard)

Time of First Successful Submission: 2025-09-03 07:20:04


Intro to Programming Languages

15 / 234 931 / 28124


Commands

Time of First Successful Submission: 2025-04-29 11:51:12

Command Arguments

Time of First Successful Submission: 2025-04-29 11:53:37

Command History

Time of First Successful Submission: 2025-06-09 12:51:07

The Root Path

Time of First Successful Submission: 2025-04-30 05:19:55

Absolute Paths

Time of First Successful Submission: 2025-04-30 05:21:52

Changing position

Time of First Successful Submission: 2025-04-30 05:26:48

Changing to an Absolute Path

Time of First Successful Submission: 2025-04-30 05:28:39

Relative Paths

Time of First Successful Submission: 2025-04-30 05:33:20

Cat

Time of First Successful Submission: 2025-04-30 06:45:25

Ls

Time of First Successful Submission: 2025-04-30 06:53:26

Ls All

Time of First Successful Submission: 2025-04-30 07:00:26

Find

Time of First Successful Submission: 2025-04-30 07:21:23

Piping Echo

Time of First Successful Submission: 2025-04-30 10:45:13

Piping Stdout

Time of First Successful Submission: 2025-04-30 10:50:29

Piping Stdin

Time of First Successful Submission: 2025-05-01 03:41:08


Intro to Cybersecurity

182 / 183 144 / 17893


Path Traversal 1

Time of First Successful Submission: 2025-06-07 05:48:04

Path Traversal 2

Time of First Successful Submission: 2025-06-07 06:14:07

CMDi 1

Time of First Successful Submission: 2025-06-07 06:46:41

CMDi 2

Time of First Successful Submission: 2025-06-07 06:52:10

CMDi 3

Time of First Successful Submission: 2025-06-07 06:58:51

CMDi 4

Time of First Successful Submission: 2025-06-07 07:05:41

CMDi 5

Time of First Successful Submission: 2025-06-07 07:24:31

CMDi 6

Time of First Successful Submission: 2025-06-07 19:19:04

Authentication Bypass 1

Time of First Successful Submission: 2025-06-07 20:01:07

Authentication Bypass 2

Time of First Successful Submission: 2025-06-07 20:09:59

SQLi 1

Time of First Successful Submission: 2025-06-08 05:27:53

SQLi 2

Time of First Successful Submission: 2025-06-08 05:34:13

SQLi 3

Time of First Successful Submission: 2025-06-08 05:53:34

SQLi 4

Time of First Successful Submission: 2025-06-08 06:09:42

SQLi 5

Time of First Successful Submission: 2025-06-08 12:10:21

XSS 1

Time of First Successful Submission: 2025-06-08 16:13:14

XSS 2

Time of First Successful Submission: 2025-06-08 16:41:57

XSS 3

Time of First Successful Submission: 2025-06-08 17:06:56

XSS 4

Time of First Successful Submission: 2025-06-08 17:13:10

XSS 5

Time of First Successful Submission: 2025-06-25 03:47:15

XSS 6

Time of First Successful Submission: 2025-06-25 04:38:09

XSS 7

Time of First Successful Submission: 2025-06-25 05:52:30

CSRF 1

Time of First Successful Submission: 2025-06-25 06:38:28

CSRF 2

Time of First Successful Submission: 2025-06-25 06:51:21

CSRF 3

Time of First Successful Submission: 2025-06-25 07:26:10

CSRF 4

Time of First Successful Submission: 2025-06-25 07:37:41

CSRF 5

Time of First Successful Submission: 2025-06-25 08:13:47

Connect

Time of First Successful Submission: 2025-06-08 17:20:55

Send

Time of First Successful Submission: 2025-06-08 17:23:52

Shutdown

Time of First Successful Submission: 2025-06-08 17:40:51

Listen

Time of First Successful Submission: 2025-06-08 17:49:30

Scan 1

Time of First Successful Submission: 2025-06-09 02:33:29

Scan 2

Time of First Successful Submission: 2025-06-10 09:05:51

Monitor 1

Time of First Successful Submission: 2025-06-10 09:47:41

Monitor 2

Time of First Successful Submission: 2025-06-10 10:01:19

Sniffing Cookies

Time of First Successful Submission: 2025-06-10 10:12:47

Network Configuration

Time of First Successful Submission: 2025-06-10 10:55:42

Firewall 1

Time of First Successful Submission: 2025-06-10 11:15:00

Firewall 2

Time of First Successful Submission: 2025-06-10 11:32:23

Firewall 3

Time of First Successful Submission: 2025-06-10 11:43:15

Denial of Service 1

Time of First Successful Submission: 2025-06-10 16:17:56

Denial of Service 2

Time of First Successful Submission: 2025-06-11 02:52:30

Denial of Service 3

Time of First Successful Submission: 2025-06-11 17:55:20

Ethernet

Time of First Successful Submission: 2025-06-12 06:03:52

IP

Time of First Successful Submission: 2025-06-12 06:26:04

TCP

Time of First Successful Submission: 2025-06-12 06:47:51

TCP Handshake

Time of First Successful Submission: 2025-06-12 06:52:27

UDP

Time of First Successful Submission: 2025-06-12 07:16:39

UDP 2

Time of First Successful Submission: 2025-06-12 07:34:48

UDP Spoofing 1

Time of First Successful Submission: 2025-06-12 08:05:53

UDP Spoofing 2

Time of First Successful Submission: 2025-06-12 08:17:07

UDP Spoofing 3

Time of First Successful Submission: 2025-06-18 08:59:51

UDP Spoofing 4

Time of First Successful Submission: 2025-06-18 09:06:53

ARP

Time of First Successful Submission: 2025-06-12 09:49:00

Intercept

Time of First Successful Submission: 2025-06-18 09:15:34

Man-in-the-Middle

Time of First Successful Submission: 2025-07-17 01:22:38

XOR

Time of First Successful Submission: 2025-06-19 06:28:56

XORing Hex

Time of First Successful Submission: 2025-06-19 15:15:58

XORing ASCII

Time of First Successful Submission: 2025-06-19 15:38:04

XORing ASCII Strings

Time of First Successful Submission: 2025-06-19 16:01:24

One-time Pad

Time of First Successful Submission: 2025-06-19 16:13:43

One-time Pad Tampering

Time of First Successful Submission: 2025-06-19 16:31:00

Many-time Pad

Time of First Successful Submission: 2025-06-19 16:46:30

AES

Time of First Successful Submission: 2025-06-20 10:05:06

AES-ECB-CPA

Time of First Successful Submission: 2025-06-25 14:58:30

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-06-25 15:52:58

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-06-26 03:45:52

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-06-26 15:58:11

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-06-27 07:40:46

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-06-27 07:48:36

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-06-27 07:58:39

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-06-27 08:59:19

AES-CBC

Time of First Successful Submission: 2025-06-27 09:22:12

AES-CBC Tampering

Time of First Successful Submission: 2025-06-27 12:59:22

AES-CBC Resizing

Time of First Successful Submission: 2025-06-27 13:08:21

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-06-27 16:26:48

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-06-27 16:40:20

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-06-27 16:57:20

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-06-28 04:42:34

DHKE

Time of First Successful Submission: 2025-06-28 05:09:11

DHKE-to-AES

Time of First Successful Submission: 2025-06-28 05:23:49

RSA 1

Time of First Successful Submission: 2025-06-28 05:45:50

RSA 2

Time of First Successful Submission: 2025-06-28 06:07:51

RSA 3

Time of First Successful Submission: 2025-06-28 07:55:23

RSA 4

Time of First Successful Submission: 2025-06-28 08:47:10

RSA Signatures

Time of First Successful Submission: 2025-06-28 07:15:16

SHA 1

Time of First Successful Submission: 2025-06-28 07:29:15

SHA 2

Time of First Successful Submission: 2025-06-28 07:49:39

TLS 1

Time of First Successful Submission: 2025-06-28 10:44:48

TLS 2

Time of First Successful Submission: 2025-06-28 13:55:42

level1

Time of First Successful Submission: 2025-06-18 13:36:08

level2

Time of First Successful Submission: 2025-06-18 13:55:50

level3

Time of First Successful Submission: 2025-06-18 13:59:01

level4

Time of First Successful Submission: 2025-06-19 04:01:32

level5

Time of First Successful Submission: 2025-06-19 04:05:06

level6

Time of First Successful Submission: 2025-06-19 04:23:34

level7

Time of First Successful Submission: 2025-06-19 04:25:20

level8

Time of First Successful Submission: 2025-06-19 04:26:32

level9

Time of First Successful Submission: 2025-06-19 04:27:56

level10

Time of First Successful Submission: 2025-06-19 04:31:31

level11

Time of First Successful Submission: 2025-06-19 04:37:56

level12

Time of First Successful Submission: 2025-06-19 04:42:53

level13

Time of First Successful Submission: 2025-06-19 04:47:40

level14

Time of First Successful Submission: 2025-06-19 04:49:07

level15

Time of First Successful Submission: 2025-06-19 04:50:31

level16

Time of First Successful Submission: 2025-06-19 04:53:26

level17

Time of First Successful Submission: 2025-06-19 05:28:21

level18

Time of First Successful Submission: 2025-06-19 05:44:56

level19

Time of First Successful Submission: 2025-06-19 06:16:55

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-06-21 16:00:25

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-06-21 16:03:26

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-06-21 16:14:52

Reading Endianness (Python)

Time of First Successful Submission: 2025-06-21 16:23:46

Reading Endianness (C)

Time of First Successful Submission: 2025-06-21 16:41:33

Reading Endianness (x86)

Time of First Successful Submission: 2025-06-21 16:44:45

Version Information (Python)

Time of First Successful Submission: 2025-06-21 16:59:05

Version Information (C)

Time of First Successful Submission: 2025-06-21 17:01:53

Version Information (x86)

Time of First Successful Submission: 2025-06-21 17:06:47

Metadata and Data (Python)

Time of First Successful Submission: 2025-06-21 17:17:43

Metadata and Data (C)

Time of First Successful Submission: 2025-06-21 17:25:22

Metadata and Data (x86)

Time of First Successful Submission: 2025-06-21 17:32:16

Input Restrictions (Python)

Time of First Successful Submission: 2025-06-21 17:42:43

Input Restrictions (C)

Time of First Successful Submission: 2025-06-21 17:47:55

Input Restrictions (x86)

Time of First Successful Submission: 2025-06-21 17:52:15

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-06-21 18:06:48

Behold the cIMG! (C)

Time of First Successful Submission: 2025-06-21 18:14:28

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-06-21 18:21:53

A Basic cIMG (Python)

Time of First Successful Submission: 2025-06-23 04:05:46

A Basic cIMG (C)

Time of First Successful Submission: 2025-06-23 04:17:11

A Basic cIMG (x86)

Time of First Successful Submission: 2025-06-23 04:25:00

Internal State Mini (C)

Time of First Successful Submission: 2025-06-23 08:47:31

Internal State Mini (x86)

Time of First Successful Submission: 2025-06-23 09:16:37

Internal State (C)

Time of First Successful Submission: 2025-06-23 11:35:29

Internal State (x86)

Time of First Successful Submission: 2025-06-23 11:40:48

File Formats: Directives (C)

Time of First Successful Submission: 2025-06-23 12:05:44

File Formats: Directives (x86)

Time of First Successful Submission: 2025-06-23 12:17:19

The Patch Directive

Time of First Successful Submission: 2025-07-02 11:22:10

Optimizing for Space

Time of First Successful Submission: 2025-07-03 06:27:50

Tweaking Images

Time of First Successful Submission: 2025-07-03 12:25:29

Storage and Retrieval

Time of First Successful Submission: 2025-07-04 02:54:04

Extracting Knowledge

Time of First Successful Submission: 2025-07-04 05:02:21

Advanced Sprites

Time of First Successful Submission: 2025-07-04 06:47:04

Accessing Resources

Time of First Successful Submission: 2025-07-04 07:24:55

Unsafe Animations

Time of First Successful Submission: 2025-07-04 08:21:32

Animations

Time of First Successful Submission: 2025-07-04 12:48:10

Interoperability: Patching Data

Time of First Successful Submission: 2025-07-05 07:36:20

Patching Code

Time of First Successful Submission: 2025-07-05 08:43:37

Patching Control Flow

Time of First Successful Submission: 2025-07-05 08:54:58

Your First Overflow (easy)

Time of First Successful Submission: 2025-06-19 16:58:06

Your First Overflow (hard)

Time of First Successful Submission: 2025-07-05 09:24:32

Precision (easy)

Time of First Successful Submission: 2025-07-05 09:30:00

Precision (hard)

Time of First Successful Submission: 2025-07-05 09:48:16

Variable Control (easy)

Time of First Successful Submission: 2025-07-05 10:01:44

Variable Control (hard)

Time of First Successful Submission: 2025-07-05 10:10:43

Control Hijack (easy)

Time of First Successful Submission: 2025-07-06 06:27:37

Control Hijack (hard)

Time of First Successful Submission: 2025-07-06 06:51:39

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-07-06 07:00:18

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-07-06 07:02:39

PIEs (easy)

Time of First Successful Submission: 2025-07-06 07:45:40

PIEs (hard)

Time of First Successful Submission: 2025-07-06 07:49:00

String Lengths (easy)

Time of First Successful Submission: 2025-07-06 08:04:46

String Lengths (hard)

Time of First Successful Submission: 2025-07-06 08:09:25

Basic Shellcode

Time of First Successful Submission: 2025-07-06 09:02:06

NOP Sleds

Time of First Successful Submission: 2025-07-06 09:15:03

NULL-Free Shellcode

Time of First Successful Submission: 2025-07-06 11:03:17

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-07-06 12:08:27

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-07-06 13:14:08

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-07-06 13:29:47

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-07-07 11:16:14

ECB-to-Win (easy)

Time of First Successful Submission: 2025-07-08 02:07:02

ECB-to-Win (hard)

Time of First Successful Submission: 2025-07-08 02:36:50

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-07-08 07:15:44

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-07-08 08:03:51

CIMG Screenshots

Time of First Successful Submission: 2025-07-08 13:32:04

CIMG Screenshots 2

Time of First Successful Submission: 2025-07-09 06:09:03

Wily Webserver

Time of First Successful Submission: 2025-07-10 08:28:50

The Watering Hole

Time of First Successful Submission: 2025-07-12 05:58:15

Secure Chat 1

Time of First Successful Submission: 2025-07-18 07:21:07

Secure Chat 2

Time of First Successful Submission: 2025-07-20 06:59:36

Secure Chat 3

Time of First Successful Submission: 2025-07-21 10:37:54

Secure Chat 4

Time of First Successful Submission: 2025-07-22 11:33:05

Secure Chat 5

Time of First Successful Submission: 2025-07-25 01:50:51


Program Security

159 / 162 20 / 9030


ello ackers!

Time of First Successful Submission: 2025-07-25 15:13:51

Syscall Smuggler

Time of First Successful Submission: 2025-07-27 09:01:30

Syscall Shenanigans

Time of First Successful Submission: 2025-07-28 02:36:23

Byte Budget

Time of First Successful Submission: 2025-07-28 06:19:35

ClobberCode

Time of First Successful Submission: 2025-07-28 07:43:06

Diverse Delivery

Time of First Successful Submission: 2025-07-28 12:27:53

Pocket Payload

Time of First Successful Submission: 2025-07-29 05:17:21

Micro Menace

Time of First Successful Submission: 2025-07-28 13:04:38

Login Leakage (Easy)

Time of First Successful Submission: 2025-08-24 06:35:20

Login Leakage (Hard)

Time of First Successful Submission: 2025-08-24 06:36:03

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-07-29 09:05:09

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-07-29 09:13:09

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-07-31 03:20:30

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-07-31 04:37:56

Pointer Problems (Easy)

Time of First Successful Submission: 2025-08-24 07:50:00

Pointer Problems (Hard)

Time of First Successful Submission: 2025-08-24 08:11:00

Anomalous Array (Easy)

Time of First Successful Submission: 2025-08-24 14:42:43

Anomalous Array (Hard)

Time of First Successful Submission: 2025-08-24 14:45:54

Now you got it (Easy)

Time of First Successful Submission: 2025-08-24 14:57:02

Now you got it (Hard)

Time of First Successful Submission: 2025-08-24 16:07:10

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-07-31 06:20:44

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-07-31 08:18:18

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-07-31 08:49:12

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-07-31 08:52:28

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-07-31 11:45:53

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-07-31 12:11:28

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-07-31 12:52:48

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-07-31 13:11:12

Latent Leak (Easy)

Time of First Successful Submission: 2025-08-01 06:39:56

Latent Leak (Hard)

Time of First Successful Submission: 2025-08-01 06:30:49

Fork Foolery (Easy)

Time of First Successful Submission: 2025-08-01 09:03:40

Fork Foolery (Hard)

Time of First Successful Submission: 2025-08-01 09:09:23

Canary Conundrum (Easy)

Time of First Successful Submission: 2025-07-30 11:09:36

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-08-01 12:12:29

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-08-18 11:16:42

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-08-18 12:02:48

Can It Fizz?

Time of First Successful Submission: 2025-09-27 04:44:19

Does It Buzz?

Time of First Successful Submission: 2025-09-27 05:31:57

Make It FizzBuzz

Time of First Successful Submission: 2025-09-27 08:34:28

Terrible Token (Easy)

Time of First Successful Submission: 2025-07-29 06:55:42

Terrible Token (Hard)

Time of First Successful Submission: 2025-07-29 06:59:53

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-08-21 09:50:15

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-08-21 09:54:49

Bit Bender

Time of First Successful Submission: 2025-09-15 10:58:33

Substitution Sorcery

Time of First Successful Submission: 2025-09-15 11:29:19

Meager Mangler (Easy)

Time of First Successful Submission: 2025-08-21 15:09:01

Meager Mangler (Hard)

Time of First Successful Submission: 2025-08-26 11:23:45

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-08-26 14:29:01

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-08-26 15:03:11

Patched Up (Easy)

Time of First Successful Submission: 2025-08-26 15:42:40

Patched Up (Hard)

Time of First Successful Submission: 2025-08-30 06:38:52

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-08-30 06:53:45

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-08-30 06:57:46

Patch Perfect (Easy)

Time of First Successful Submission: 2025-09-02 03:24:19

Patch Perfect (Hard)

Time of First Successful Submission: 2025-09-02 03:33:57

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-09-03 07:38:49

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-09-03 07:40:55

Know the Yancode (Easy)

Time of First Successful Submission: 2025-09-03 08:15:21

Know the Yancode (Hard)

Time of First Successful Submission: 2025-09-03 09:29:49

Master the Yancode (Easy)

Time of First Successful Submission: 2025-09-03 09:27:03

Master the Yancode (Hard)

Time of First Successful Submission: 2025-09-03 10:59:16

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-09-04 02:00:26

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-09-04 02:06:58

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-09-06 09:36:00

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-09-07 02:48:26

The Yangler (Easy)

Time of First Successful Submission: 2025-09-12 14:21:22

The Yangler (Hard)

Time of First Successful Submission: 2025-09-12 14:38:29

Yancraft (Easy)

Time of First Successful Submission: 2025-09-13 10:32:48

Yancraft (Hard)

Time of First Successful Submission: 2025-09-13 10:56:06

Yansanity (Easy)

Time of First Successful Submission: 2025-09-14 15:27:18

Yansanity (Hard)

Time of First Successful Submission: 2025-09-15 09:22:59

When the Cow Says Moo

Time of First Successful Submission: 2025-09-15 14:10:58

Predictable Migration

Time of First Successful Submission: 2025-09-23 09:24:11

Hashing Heifers

Time of First Successful Submission: 2025-09-25 07:42:51

Salty Stampede

Time of First Successful Submission: 2025-09-25 12:08:12

Loose Link (Easy)

Time of First Successful Submission: 2025-07-29 07:26:10

Loose Link (Hard)

Time of First Successful Submission: 2025-07-29 07:32:51

Call Chain (Easy)

Time of First Successful Submission: 2025-08-01 12:39:48

Call Chain (Hard)

Time of First Successful Submission: 2025-08-02 03:59:09

Chain of Command (Easy)

Time of First Successful Submission: 2025-08-03 08:47:27

Chain of Command (Hard)

Time of First Successful Submission: 2025-08-03 09:38:43

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-08-04 11:00:25

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-08-04 11:27:11

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-08-04 11:44:17

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-08-04 11:48:12

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-08-04 11:49:58

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-08-04 11:51:12

Leaky Libc (Easy)

Time of First Successful Submission: 2025-08-04 11:52:38

Leaky Libc (Hard)

Time of First Successful Submission: 2025-08-04 11:54:13

Putsception (Easy)

Time of First Successful Submission: 2025-08-04 11:55:52

Putsception (Hard)

Time of First Successful Submission: 2025-08-04 11:57:21

Pivotal Prelude (Easy)

Time of First Successful Submission: 2025-08-05 05:26:04

Pivotal Prelude (Hard)

Time of First Successful Submission: 2025-08-05 05:29:14

Pivotal Pointer (Easy)

Time of First Successful Submission: 2025-08-05 06:57:22

Pivotal Pointer (Hard)

Time of First Successful Submission: 2025-08-05 07:01:24

Pivotal Payload (Easy)

Time of First Successful Submission: 2025-08-05 07:50:49

Pivotal Payload (Hard)

Time of First Successful Submission: 2025-08-05 07:48:36

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2025-08-06 02:22:52

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2025-08-06 02:30:01

Guarded Gadgets (Easy)

Time of First Successful Submission: 2025-08-06 06:11:55

Guarded Gadgets (Hard)

Time of First Successful Submission: 2025-08-06 06:14:17

ROP Roulette (Easy)

Time of First Successful Submission: 2025-08-06 13:56:20

ROP Roulette (Hard)

Time of First Successful Submission: 2025-08-06 13:47:08

Libc Lottery (Easy)

Time of First Successful Submission: 2025-08-07 03:12:21

Libc Lottery (Hard)

Time of First Successful Submission: 2025-08-07 03:25:06

Freebie (Easy)

Time of First Successful Submission: 2025-07-29 12:54:50

Freebie (Hard)

Time of First Successful Submission: 2025-07-29 12:56:49

Freebin Feint (Easy)

Time of First Successful Submission: 2025-08-07 03:28:20

Freebin Feint (Hard)

Time of First Successful Submission: 2025-08-08 08:48:39

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-08-08 09:26:45

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-08-08 09:31:40

Fickle Free (Easy)

Time of First Successful Submission: 2025-08-09 20:42:16

Fickle Free (Hard)

Time of First Successful Submission: 2025-08-09 21:52:47

Malloc Mirage (Easy)

Time of First Successful Submission: 2025-08-10 07:03:52

Malloc Mirage (Hard)

Time of First Successful Submission: 2025-08-10 07:09:59

Seeking Secrets (Easy)

Time of First Successful Submission: 2025-08-10 06:43:28

Seeking Secrets (Hard)

Time of First Successful Submission: 2025-08-10 06:47:37

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2025-08-10 08:28:38

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2025-08-10 08:31:06

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2025-08-10 09:36:57

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2025-08-10 09:38:21

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2025-08-10 09:57:26

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2025-08-10 09:59:06

Sus Sequence (Easy)

Time of First Successful Submission: 2025-08-10 10:20:46

Sus Sequence (Hard)

Time of First Successful Submission: 2025-08-10 10:23:10

Echo Emanations (Easy)

Time of First Successful Submission: 2025-08-10 16:03:01

Echo Emanations (Hard)

Time of First Successful Submission: 2025-08-10 16:06:04

Stack Spoofing (Easy)

Time of First Successful Submission: 2025-08-11 07:17:44

Stack Spoofing (Hard)

Time of First Successful Submission: 2025-08-11 07:18:52

Stack Summoning (Easy)

Time of First Successful Submission: 2025-08-11 07:55:39

Stack Summoning (Hard)

Time of First Successful Submission: 2025-08-11 08:27:07

Enterprising Echo (Easy)

Time of First Successful Submission: 2025-08-11 08:52:59

Enterprising Echo (Hard)

Time of First Successful Submission: 2025-08-11 09:25:36

Ephemeral Echo (Easy)

Time of First Successful Submission: 2025-08-11 12:21:26

Ephemeral Echo (Hard)

Time of First Successful Submission: 2025-08-11 12:26:40

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2025-08-17 03:16:22

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2025-08-17 03:26:03

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2025-08-17 08:12:51

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2025-08-17 08:22:32

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2025-08-17 10:03:00

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2025-08-17 10:06:33

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2025-08-18 02:56:43

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2025-08-18 03:22:08

Tcache Terror (Easy)

Time of First Successful Submission: 2025-08-18 08:48:20

Tcache Terror (Hard)

Time of First Successful Submission: 2025-08-18 08:52:10

Containment Composition (Easy)

Time of First Successful Submission: 2025-08-18 12:20:42

Containment Composition (Hard)

Time of First Successful Submission: 2025-08-19 07:25:15

Constant Corruption (Easy)

Time of First Successful Submission: 2025-08-19 08:42:29

Constant Corruption (Hard)

Time of First Successful Submission: 2025-08-19 08:58:41

Return to YanLand (Easy)

Time of First Successful Submission: 2025-10-05 11:59:34

Return to YanLand (Hard)

Time of First Successful Submission: 2025-10-05 12:46:44

Escape from YanLand (Easy)

Time of First Successful Submission: 2025-10-05 13:34:09

Escape from YanLand (Hard)

Time of First Successful Submission: 2025-10-05 13:43:46

The YanFilter (Easy)

Time of First Successful Submission: 2025-10-05 15:15:57

The YanFilter (Hard)

Time of First Successful Submission: 2025-10-05 15:24:03

The Great YanFilter (Easy)

Time of First Successful Submission: 2025-10-06 08:09:17

The Great YanFilter (Hard)

Time of First Successful Submission: 2025-10-06 08:24:52

Yan85 Reborn (Easy)

Time of First Successful Submission: 2025-10-07 13:38:00

Yan85 Reborn (Hard)

Time of First Successful Submission: 2025-10-07 14:01:44


System Security

28 / 95 1042 / 3184


chroot-escape-basic

Time of First Successful Submission: 2026-01-16 03:47:16

chroot-shellcode

Time of First Successful Submission: 2026-01-16 07:48:06

chroot-proper

Time of First Successful Submission: 2026-01-16 12:26:56

seccomp-basic

Time of First Successful Submission: 2026-01-17 07:35:54

seccomp-linkat

Time of First Successful Submission: 2026-01-17 10:41:56

seccomp-fchdir

Time of First Successful Submission: 2026-01-17 11:07:32

seccomp-rechroot

Time of First Successful Submission: 2026-01-17 11:41:48

seccomp-only

Time of First Successful Submission: 2026-01-17 12:50:20

seccomp-arch32

Time of First Successful Submission: 2026-01-18 04:12:27

seccomp-minimal

Time of First Successful Submission: 2026-01-18 05:50:00

seccomp-timebased

Time of First Successful Submission: 2026-01-18 13:23:13

seccomp-readonly

Time of First Successful Submission: 2026-01-18 09:20:21

process-isolation

Time of First Successful Submission: 2026-01-18 15:34:24

mount-namespace

Time of First Successful Submission: 2026-01-19 03:11:28

mount-cleanup

Time of First Successful Submission: 2026-01-19 03:25:30

mount-readonly

Time of First Successful Submission: 2026-01-19 03:38:36

mount-shellcode

Time of First Successful Submission: 2026-01-19 09:07:33

mount-bindmount

Time of First Successful Submission: 2026-01-19 09:21:45

level1.0

Time of First Successful Submission: 2026-01-19 12:00:32

level1.1

Time of First Successful Submission: 2026-01-19 12:11:05

level2.0

Time of First Successful Submission: 2026-01-20 06:01:40

level2.1

Time of First Successful Submission: 2026-01-20 06:09:23

level3.0

Time of First Successful Submission: 2026-01-20 06:43:48

level3.1

Time of First Successful Submission: 2026-01-20 06:57:54

level4.0

Time of First Successful Submission: 2026-01-20 07:41:52

level4.1

Time of First Successful Submission: 2026-01-20 07:49:05

level5.0

Time of First Successful Submission: 2026-01-20 13:05:58

level5.1

Time of First Successful Submission: 2026-01-21 02:59:30


Software Exploitation

26 / 90 376 / 1931


Level1.0

Time of First Successful Submission: 2025-11-25 03:37:53

Level1.1

Time of First Successful Submission: 2025-11-25 03:46:39

Level2.0

Time of First Successful Submission: 2025-11-25 03:58:01

Level2.1

Time of First Successful Submission: 2025-11-25 05:07:48

Level3.0

Time of First Successful Submission: 2025-11-25 09:24:23

Level3.1

Time of First Successful Submission: 2025-11-25 09:36:40

Level4.0

Time of First Successful Submission: 2025-11-25 10:04:29

Level4.1

Time of First Successful Submission: 2025-12-07 07:35:49

Level5.0

Time of First Successful Submission: 2025-12-07 08:00:46

Level5.1

Time of First Successful Submission: 2025-12-07 08:08:02

Level6.0

Time of First Successful Submission: 2025-12-07 08:26:47

Level6.1

Time of First Successful Submission: 2025-12-07 08:30:58

Level7.0

Time of First Successful Submission: 2025-12-07 09:37:25

Level7.1

Time of First Successful Submission: 2025-12-07 11:56:57

Level8.0

Time of First Successful Submission: 2025-12-07 12:41:37

Level8.1

Time of First Successful Submission: 2025-12-07 13:00:03

Level9.0

Time of First Successful Submission: 2025-12-07 14:04:40

Level9.1

Time of First Successful Submission: 2025-12-07 14:09:42

Level10.0

Time of First Successful Submission: 2025-12-07 20:44:07

Level10.1

Time of First Successful Submission: 2025-12-07 21:26:34

Level11.0

Time of First Successful Submission: 2025-12-07 22:20:44

Level11.1

Time of First Successful Submission: 2025-12-07 22:49:53

Level12.0

Time of First Successful Submission: 2025-12-08 06:51:47

Level12.1

Time of First Successful Submission: 2025-12-08 07:34:02

level1.0

Time of First Successful Submission: 2025-12-27 03:37:52

level1.1

Time of First Successful Submission: 2025-12-27 03:52:25


Start Here

11 / 12 3165 / 38364


Using the Terminal

Time of First Successful Submission: 2025-09-09 15:31:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-04-29 09:43:07

Using the GUI Desktop

Time of First Successful Submission: 2025-04-29 09:48:50

Pasting into the Desktop

Time of First Successful Submission: 2025-04-29 09:53:57

Restarting Challenges

Time of First Successful Submission: 2025-04-29 10:00:40

Challenge Programs

Time of First Successful Submission: 2025-04-29 10:15:05

The Flag File

Time of First Successful Submission: 2025-04-29 10:23:03

Using Privileged Mode

Time of First Successful Submission: 2025-04-29 10:29:10

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-29 10:38:29

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-29 10:40:27


Linux Luminarium

107 / 128 4319 / 28368


Intro to Commands

Time of First Successful Submission: 2025-04-29 11:51:12

Intro to Arguments

Time of First Successful Submission: 2025-04-29 11:53:37

Command History

Time of First Successful Submission: 2025-06-09 12:51:07

The Root

Time of First Successful Submission: 2025-04-30 05:19:55

Program and absolute paths

Time of First Successful Submission: 2025-04-30 05:21:52

Position thy self

Time of First Successful Submission: 2025-04-30 05:26:48

Position elsewhere

Time of First Successful Submission: 2025-04-30 05:28:39

implicit relative paths, from /

Time of First Successful Submission: 2025-04-30 05:33:20

explicit relative paths, from /

Time of First Successful Submission: 2025-04-30 05:35:44

implicit relative path

Time of First Successful Submission: 2025-04-30 05:40:15

home sweet home

Time of First Successful Submission: 2025-04-30 05:44:12

cat: not the pet, but the command!

Time of First Successful Submission: 2025-04-30 06:45:25

catting absolute paths

Time of First Successful Submission: 2025-04-30 06:46:47

more catting practice

Time of First Successful Submission: 2025-04-30 06:48:32

grepping for a needle in a haystack

Time of First Successful Submission: 2025-04-30 06:51:52

listing files

Time of First Successful Submission: 2025-04-30 06:53:26

touching files

Time of First Successful Submission: 2025-04-30 06:56:28

removing files

Time of First Successful Submission: 2025-04-30 06:57:44

moving files

Time of First Successful Submission: 2025-06-09 12:54:04

hidden files

Time of First Successful Submission: 2025-04-30 07:00:26

An Epic Filesystem Quest

Time of First Successful Submission: 2025-04-30 07:09:12

making directories

Time of First Successful Submission: 2025-04-30 07:11:26

finding files

Time of First Successful Submission: 2025-04-30 07:21:23

linking files

Time of First Successful Submission: 2025-04-30 07:32:01

Learning From Documentation

Time of First Successful Submission: 2025-04-30 09:06:42

Learning Complex Usage

Time of First Successful Submission: 2025-04-30 09:11:00

Reading Manuals

Time of First Successful Submission: 2025-04-30 09:29:02

Searching Manuals

Time of First Successful Submission: 2025-04-30 09:42:49

Searching For Manuals

Time of First Successful Submission: 2025-04-30 09:56:28

Helpful Programs

Time of First Successful Submission: 2025-04-30 10:08:23

Help for Builtins

Time of First Successful Submission: 2025-04-30 10:11:07

Matching with *

Time of First Successful Submission: 2025-04-30 10:20:48

Matching with ?

Time of First Successful Submission: 2025-04-30 10:22:31

Matching with []

Time of First Successful Submission: 2025-04-30 10:25:09

Matching paths with []

Time of First Successful Submission: 2025-04-30 10:31:57

Multiple globs

Time of First Successful Submission: 2025-06-09 14:43:21

Mixing globs

Time of First Successful Submission: 2025-04-30 10:35:36

Exclusionary globbing

Time of First Successful Submission: 2025-04-30 10:38:37

Tab completion

Time of First Successful Submission: 2025-06-09 14:47:27

Multiple options for tab completion

Time of First Successful Submission: 2025-06-09 14:54:00

Tab completion on commands

Time of First Successful Submission: 2025-06-09 14:55:03

Redirecting output

Time of First Successful Submission: 2025-04-30 10:45:13

Redirecting more output

Time of First Successful Submission: 2025-04-30 10:50:29

Appending output

Time of First Successful Submission: 2025-05-01 03:33:51

Redirecting errors

Time of First Successful Submission: 2025-05-01 03:38:05

Redirecting input

Time of First Successful Submission: 2025-05-01 03:41:08

Grepping stored results

Time of First Successful Submission: 2025-05-01 03:44:14

Grepping live output

Time of First Successful Submission: 2025-05-01 04:07:36

Grepping errors

Time of First Successful Submission: 2025-05-01 12:20:40

Filtering with grep -v

Time of First Successful Submission: 2025-06-09 14:56:57

Duplicating piped data with tee

Time of First Successful Submission: 2025-05-01 12:30:02

Writing to multiple programs

Time of First Successful Submission: 2025-05-01 13:00:07

Split-piping stderr and stdout

Time of First Successful Submission: 2025-05-01 13:04:01

Printing Variables

Time of First Successful Submission: 2025-05-02 02:37:38

Setting Variables

Time of First Successful Submission: 2025-05-02 02:42:05

Multi-word Variables

Time of First Successful Submission: 2025-05-02 03:02:17

Exporting Variables

Time of First Successful Submission: 2025-05-02 03:09:39

Printing Exported Variables

Time of First Successful Submission: 2025-05-02 03:10:48

Storing Command Output

Time of First Successful Submission: 2025-05-02 03:18:52

Reading Input

Time of First Successful Submission: 2025-05-02 03:23:02

Reading Files

Time of First Successful Submission: 2025-05-02 03:38:06

Translating characters

Time of First Successful Submission: 2025-06-09 15:03:47

Deleting characters

Time of First Successful Submission: 2025-06-09 15:08:38

Deleting newlines

Time of First Successful Submission: 2025-06-09 15:15:39

Extracting the first lines with head

Time of First Successful Submission: 2025-06-09 15:20:14

Extracting specific sections of text

Time of First Successful Submission: 2025-06-09 15:24:32

Listing Processes

Time of First Successful Submission: 2025-05-02 08:26:41

Killing Processes

Time of First Successful Submission: 2025-05-02 08:32:36

Interrupting Processes

Time of First Successful Submission: 2025-05-02 08:34:38

Suspending Processes

Time of First Successful Submission: 2025-05-02 08:36:59

Resuming Processes

Time of First Successful Submission: 2025-05-02 08:38:37

Backgrounding Processes

Time of First Successful Submission: 2025-05-02 08:54:07

Foregrounding Processes

Time of First Successful Submission: 2025-05-02 08:56:38

Starting Backgrounded Processes

Time of First Successful Submission: 2025-05-02 08:58:11

Process Exit Codes

Time of First Successful Submission: 2025-05-02 09:02:31

Becoming root with su

Time of First Successful Submission: 2025-05-04 13:20:03

Other users with su

Time of First Successful Submission: 2025-05-04 13:22:03

Cracking passwords

Time of First Successful Submission: 2025-05-04 13:36:56

Using sudo

Time of First Successful Submission: 2025-05-04 13:45:00

Changing File Ownership

Time of First Successful Submission: 2025-05-04 10:49:42

Groups and Files

Time of First Successful Submission: 2025-05-04 11:02:16

Fun With Groups Names

Time of First Successful Submission: 2025-05-04 11:07:20

Changing Permissions

Time of First Successful Submission: 2025-05-04 11:16:39

Executable Files

Time of First Successful Submission: 2025-05-04 11:20:24

Permission Tweaking Practice

Time of First Successful Submission: 2025-05-04 11:30:42

Permissions Setting Practice

Time of First Successful Submission: 2025-05-04 11:39:40

The SUID Bit

Time of First Successful Submission: 2025-05-04 11:48:01

Chaining with Semicolons

Time of First Successful Submission: 2025-05-04 13:49:32

Your First Shell Script

Time of First Successful Submission: 2025-05-04 13:53:28

Redirecting Script Output

Time of First Successful Submission: 2025-05-04 13:57:27

Executable Shell Scripts

Time of First Successful Submission: 2025-05-04 14:01:10

The PATH Variable

Time of First Successful Submission: 2025-05-04 14:07:33

Setting PATH

Time of First Successful Submission: 2025-05-04 14:10:40

Finding Commands

Time of First Successful Submission: 2025-06-09 15:32:52

Adding Commands

Time of First Successful Submission: 2025-05-04 14:19:39

Hijacking Commands

Time of First Successful Submission: 2025-05-04 14:25:33

Bashrc Backdoor

Time of First Successful Submission: 2025-06-09 15:38:12

Sniffing Input

Time of First Successful Submission: 2025-06-09 15:50:07

Overshared Directories

Time of First Successful Submission: 2025-06-09 16:00:52

Tricky Linking

Time of First Successful Submission: 2025-06-09 16:20:20

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-09 16:25:31

Snooping on Configurations

Time of First Successful Submission: 2025-06-09 16:29:28

The Fork Bomb

Time of First Successful Submission: 2025-06-09 16:44:00

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-09 16:48:56

rm -rf /

Time of First Successful Submission: 2025-06-09 16:53:21

Life after rm -rf /

Time of First Successful Submission: 2025-06-09 17:02:08

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-09 17:07:15


Computing 101

69 / 69 397 / 19405


Your First Register

Time of First Successful Submission: 2025-05-09 10:58:15

Your First Syscall

Time of First Successful Submission: 2025-05-09 11:02:08

Exit Codes

Time of First Successful Submission: 2025-05-09 11:04:06

Building Executables

Time of First Successful Submission: 2025-05-09 11:14:16

Moving Between Registers

Time of First Successful Submission: 2025-05-09 11:18:19

Tracing Syscalls

Time of First Successful Submission: 2025-05-09 11:26:58

Starting GDB

Time of First Successful Submission: 2025-05-09 11:29:21

Starting Programs in GDB

Time of First Successful Submission: 2025-05-09 11:32:18

Loading From Memory

Time of First Successful Submission: 2025-05-09 11:38:54

More Loading Practice

Time of First Successful Submission: 2025-05-09 11:40:28

Dereferencing Pointers

Time of First Successful Submission: 2025-05-09 11:43:30

Dereferencing Yourself

Time of First Successful Submission: 2025-05-09 11:58:53

Dereferencing with Offsets

Time of First Successful Submission: 2025-05-09 12:00:14

Stored Addresses

Time of First Successful Submission: 2025-05-09 12:02:03

Double Dereference

Time of First Successful Submission: 2025-05-09 12:04:03

Triple Dereference

Time of First Successful Submission: 2025-05-09 12:05:01

Writing Output

Time of First Successful Submission: 2025-05-09 12:18:08

Chaining Syscalls

Time of First Successful Submission: 2025-05-09 12:20:42

Writing Strings

Time of First Successful Submission: 2025-05-09 12:21:32

Reading Data

Time of First Successful Submission: 2025-05-09 12:27:55

set-register

Time of First Successful Submission: 2025-05-09 12:38:40

set-multiple-registers

Time of First Successful Submission: 2025-05-09 12:41:26

add-to-register

Time of First Successful Submission: 2025-05-09 12:44:41

linear-equation-registers

Time of First Successful Submission: 2025-05-09 13:09:10

integer-division

Time of First Successful Submission: 2025-05-10 14:00:56

modulo-operation

Time of First Successful Submission: 2025-05-10 14:14:59

set-upper-byte

Time of First Successful Submission: 2025-05-10 15:00:30

efficient-modulo

Time of First Successful Submission: 2025-05-10 15:06:21

byte-extraction

Time of First Successful Submission: 2025-05-10 15:18:22

bitwise-and

Time of First Successful Submission: 2025-05-10 15:25:04

check-even

Time of First Successful Submission: 2025-05-10 15:36:44

memory-read

Time of First Successful Submission: 2025-05-10 15:40:12

memory-write

Time of First Successful Submission: 2025-05-10 15:40:53

memory-increment

Time of First Successful Submission: 2025-05-10 15:43:18

byte-access

Time of First Successful Submission: 2025-05-10 15:46:02

memory-size-access

Time of First Successful Submission: 2025-05-10 15:50:54

little-endian-write

Time of First Successful Submission: 2025-05-10 15:54:43

memory-sum

Time of First Successful Submission: 2025-05-10 15:57:02

stack-subtraction

Time of First Successful Submission: 2025-05-10 15:59:55

swap-stack-values

Time of First Successful Submission: 2025-05-10 16:00:49

average-stack-values

Time of First Successful Submission: 2025-05-10 16:08:59

absolute-jump

Time of First Successful Submission: 2025-05-10 16:12:13

relative-jump

Time of First Successful Submission: 2025-05-10 16:18:32

jump-trampoline

Time of First Successful Submission: 2025-05-10 16:32:14

conditional-jump

Time of First Successful Submission: 2025-05-11 15:32:52

indirect-jump

Time of First Successful Submission: 2025-05-11 15:44:22

average-loop

Time of First Successful Submission: 2025-05-11 15:53:43

count-non-zero

Time of First Successful Submission: 2025-05-11 16:06:10

string-lower

Time of First Successful Submission: 2025-05-11 16:58:58

most-common-byte

Time of First Successful Submission: 2025-05-11 18:14:07

Debugging Programs

Time of First Successful Submission: 2025-05-12 04:27:05

Inspecting Registers

Time of First Successful Submission: 2025-05-12 04:30:22

Examining Memory

Time of First Successful Submission: 2025-05-12 05:14:30

Setting Breakpoints

Time of First Successful Submission: 2025-05-12 05:46:03

GDB Scripting

Time of First Successful Submission: 2025-05-12 07:27:14

Modifying Data

Time of First Successful Submission: 2025-05-12 07:54:28

Modifying Execution

Time of First Successful Submission: 2025-05-12 07:57:10

Broken Functions

Time of First Successful Submission: 2025-05-12 08:49:37

Exit

Time of First Successful Submission: 2025-05-12 08:53:50

Socket

Time of First Successful Submission: 2025-05-12 09:00:10

Bind

Time of First Successful Submission: 2025-05-12 09:16:35

Listen

Time of First Successful Submission: 2025-05-12 09:29:14

Accept

Time of First Successful Submission: 2025-05-12 09:32:45

Static Response

Time of First Successful Submission: 2025-05-12 09:47:40

Dynamic Response

Time of First Successful Submission: 2025-05-12 10:44:44

Iterative GET Server

Time of First Successful Submission: 2025-05-12 10:49:40

Concurrent GET Server

Time of First Successful Submission: 2025-05-12 11:10:08

Concurrent POST Server

Time of First Successful Submission: 2025-05-12 12:25:13

Web Server

Time of First Successful Submission: 2025-05-12 12:34:03


Playing With Programs

116 / 116 139 / 22226


What's the password?

Time of First Successful Submission: 2025-05-13 06:38:10

... and again!

Time of First Successful Submission: 2025-05-13 06:48:42

Newline Troubles

Time of First Successful Submission: 2025-05-13 06:53:25

Reasoning about files

Time of First Successful Submission: 2025-05-14 04:02:07

Specifying Filenames

Time of First Successful Submission: 2025-05-14 04:08:01

Binary and Hex Encoding

Time of First Successful Submission: 2025-05-14 04:26:01

More Hex

Time of First Successful Submission: 2025-05-14 04:36:43

Decoding Hex

Time of First Successful Submission: 2025-05-14 04:42:21

Decoding Practice

Time of First Successful Submission: 2025-05-14 04:56:10

Encoding Practice

Time of First Successful Submission: 2025-05-14 04:59:28

Hex-encoding ASCII

Time of First Successful Submission: 2025-05-14 06:26:21

Nested Encoding

Time of First Successful Submission: 2025-05-14 06:50:28

Hex-encoding UTF-8

Time of First Successful Submission: 2025-05-14 07:26:14

UTF Mixups

Time of First Successful Submission: 2025-05-14 07:43:13

Modifying Encoded Data

Time of First Successful Submission: 2025-05-14 07:52:24

Decoding Base64

Time of First Successful Submission: 2025-05-14 08:24:50

Encoding Base64

Time of First Successful Submission: 2025-05-14 08:31:13

Dealing with Obfuscation

Time of First Successful Submission: 2025-05-14 08:46:40

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-05-14 08:55:21

Your First HTTP Request

Time of First Successful Submission: 2025-05-15 05:37:15

Reading Flask

Time of First Successful Submission: 2025-05-15 06:03:34

Commented Data

Time of First Successful Submission: 2025-05-15 06:10:24

HTTP Metadata

Time of First Successful Submission: 2025-05-15 07:25:10

HTTP (netcat)

Time of First Successful Submission: 2025-05-15 07:36:57

HTTP Paths (netcat)

Time of First Successful Submission: 2025-05-15 07:45:19

HTTP (curl)

Time of First Successful Submission: 2025-05-15 08:09:48

HTTP (python)

Time of First Successful Submission: 2025-05-15 08:16:27

HTTP Host Header (python)

Time of First Successful Submission: 2025-05-16 06:27:55

HTTP Host Header (curl)

Time of First Successful Submission: 2025-05-16 06:36:26

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-05-16 06:40:36

URL Encoding (netcat)

Time of First Successful Submission: 2025-05-17 10:40:55

HTTP GET Parameters

Time of First Successful Submission: 2025-05-17 10:47:56

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-05-17 10:53:23

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-05-17 10:59:16

HTTP Forms

Time of First Successful Submission: 2025-05-17 11:52:43

HTTP Forms (curl)

Time of First Successful Submission: 2025-05-17 12:01:28

HTTP Forms (netcat)

Time of First Successful Submission: 2025-05-17 12:16:56

HTTP Forms (python)

Time of First Successful Submission: 2025-05-17 12:23:16

HTTP Forms Without Forms

Time of First Successful Submission: 2025-05-17 12:34:27

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-05-18 02:03:10

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-05-18 02:18:57

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-05-18 02:24:00

HTTP Redirects (curl)

Time of First Successful Submission: 2025-05-18 02:28:48

HTTP Redirects (python)

Time of First Successful Submission: 2025-05-18 02:30:08

HTTP Cookies (curl)

Time of First Successful Submission: 2025-05-18 02:45:57

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-05-18 02:49:02

HTTP Cookies (python)

Time of First Successful Submission: 2025-05-18 02:53:21

Server State (python)

Time of First Successful Submission: 2025-05-18 02:59:26

Listening Web

Time of First Successful Submission: 2025-05-18 03:07:13

Speaking Redirects

Time of First Successful Submission: 2025-05-18 03:25:52

JavaScript Redirects

Time of First Successful Submission: 2025-05-18 13:33:16

Including JavaScript

Time of First Successful Submission: 2025-05-18 13:51:11

HTTP (javascript)

Time of First Successful Submission: 2025-05-18 14:06:31

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-05-18 14:12:35

HTTP Forms (javascript)

Time of First Successful Submission: 2025-05-18 14:17:48

cat

Time of First Successful Submission: 2025-05-16 06:46:37

more

Time of First Successful Submission: 2025-05-16 06:47:28

less

Time of First Successful Submission: 2025-05-16 06:48:04

tail

Time of First Successful Submission: 2025-05-16 06:52:12

head

Time of First Successful Submission: 2025-05-16 06:52:56

sort

Time of First Successful Submission: 2025-05-16 06:54:34

vim

Time of First Successful Submission: 2025-05-16 06:55:56

emacs

Time of First Successful Submission: 2025-05-16 06:57:20

nano

Time of First Successful Submission: 2025-05-16 06:59:13

rev

Time of First Successful Submission: 2025-05-16 07:00:32

od

Time of First Successful Submission: 2025-05-19 02:14:32

hd

Time of First Successful Submission: 2025-05-19 02:17:44

xxd

Time of First Successful Submission: 2025-05-16 07:03:23

base32

Time of First Successful Submission: 2025-05-19 02:20:17

base64

Time of First Successful Submission: 2025-05-19 02:20:56

split

Time of First Successful Submission: 2025-05-19 02:28:28

gzip

Time of First Successful Submission: 2025-05-19 02:33:07

bzip2

Time of First Successful Submission: 2025-05-19 02:34:25

zip

Time of First Successful Submission: 2025-05-19 02:37:37

tar

Time of First Successful Submission: 2025-05-19 02:38:10

ar

Time of First Successful Submission: 2025-05-19 02:39:32

cpio

Time of First Successful Submission: 2025-05-19 02:43:12

genisoimage

Time of First Successful Submission: 2025-05-20 09:41:27

env

Time of First Successful Submission: 2025-05-20 09:56:28

find

Time of First Successful Submission: 2025-05-20 10:06:31

make

Time of First Successful Submission: 2025-05-20 11:59:51

nice

Time of First Successful Submission: 2025-05-20 12:00:56

timeout

Time of First Successful Submission: 2025-05-20 12:04:05

stdbuf

Time of First Successful Submission: 2025-05-20 12:06:36

setarch

Time of First Successful Submission: 2025-05-20 12:09:22

watch

Time of First Successful Submission: 2025-05-20 12:11:02

socat

Time of First Successful Submission: 2025-05-20 12:13:03

whiptail

Time of First Successful Submission: 2025-05-20 12:14:12

awk

Time of First Successful Submission: 2025-05-20 12:15:02

sed

Time of First Successful Submission: 2025-05-20 12:15:33

ed

Time of First Successful Submission: 2025-05-20 12:16:30

chown

Time of First Successful Submission: 2025-05-20 12:18:52

chmod

Time of First Successful Submission: 2025-05-20 12:19:32

cp

Time of First Successful Submission: 2025-05-20 12:22:31

mv

Time of First Successful Submission: 2025-05-21 03:00:09

perl

Time of First Successful Submission: 2025-05-21 03:23:47

python

Time of First Successful Submission: 2025-05-21 03:22:25

ruby

Time of First Successful Submission: 2025-05-21 03:34:10

bash

Time of First Successful Submission: 2025-05-21 03:38:32

date

Time of First Successful Submission: 2025-05-21 03:44:49

dmesg

Time of First Successful Submission: 2025-05-21 03:45:20

wc

Time of First Successful Submission: 2025-05-21 03:45:48

gcc

Time of First Successful Submission: 2025-05-21 03:47:53

as

Time of First Successful Submission: 2025-05-21 03:48:31

wget

Time of First Successful Submission: 2025-05-21 03:49:13

ssh-keygen

Time of First Successful Submission: 2025-05-21 10:40:30

SQL Queries

Time of First Successful Submission: 2025-05-21 13:15:31

Filtering SQL

Time of First Successful Submission: 2025-05-21 13:19:28

Choosing Columns

Time of First Successful Submission: 2025-05-21 13:20:44

Exclusionary Filtering

Time of First Successful Submission: 2025-05-21 13:22:26

Filtering Strings

Time of First Successful Submission: 2025-05-21 13:24:21

Filtering on Expressions

Time of First Successful Submission: 2025-05-21 13:34:41

SELECTing Expressions

Time of First Successful Submission: 2025-05-21 14:02:30

Composite Conditions

Time of First Successful Submission: 2025-05-21 14:06:50

Reaching Your LIMITs

Time of First Successful Submission: 2025-05-21 14:13:07

Querying Metadata

Time of First Successful Submission: 2025-05-21 14:17:04


CybHer Dojo

11 / 104 3296 / 38582


Using the Terminal

Time of First Successful Submission: 2025-09-09 15:31:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-04-29 09:43:07

Using the GUI Desktop

Time of First Successful Submission: 2025-04-29 09:48:50

Pasting into the Desktop

Time of First Successful Submission: 2025-04-29 09:53:57

Restarting Challenges

Time of First Successful Submission: 2025-04-29 10:00:40

Getting Help

Time of First Successful Submission: 2025-04-29 10:07:23

Challenge Programs

Time of First Successful Submission: 2025-04-29 10:15:05

The Flag File

Time of First Successful Submission: 2025-04-29 10:23:03

Using Privileged Mode

Time of First Successful Submission: 2025-04-29 10:29:10

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-29 10:38:29

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-29 10:40:27


GCA CTF

11 / 104 3296 / 38582


Using the Terminal

Time of First Successful Submission: 2025-09-09 15:31:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-04-29 09:43:07

Using the GUI Desktop

Time of First Successful Submission: 2025-04-29 09:48:50

Pasting into the Desktop

Time of First Successful Submission: 2025-04-29 09:53:57

Restarting Challenges

Time of First Successful Submission: 2025-04-29 10:00:40

Getting Help

Time of First Successful Submission: 2025-04-29 10:07:23

Challenge Programs

Time of First Successful Submission: 2025-04-29 10:15:05

The Flag File

Time of First Successful Submission: 2025-04-29 10:23:03

Using Privileged Mode

Time of First Successful Submission: 2025-04-29 10:29:10

Persistent Home Directories - One

Time of First Successful Submission: 2025-04-29 10:38:29

Persistent Home Directories - Two

Time of First Successful Submission: 2025-04-29 10:40:27