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level1

Time of First Successful Submission: 2024-01-13 09:13:03

level2

Time of First Successful Submission: 2024-01-13 09:13:53

level3

Time of First Successful Submission: 2024-01-13 09:14:54

level4

Time of First Successful Submission: 2024-01-13 16:16:17

level5

Time of First Successful Submission: 2024-01-13 16:18:30

level6

Time of First Successful Submission: 2024-01-13 16:19:34

level7

Time of First Successful Submission: 2024-01-13 16:20:30

level8

Time of First Successful Submission: 2024-01-13 16:31:07

level9

Time of First Successful Submission: 2024-01-13 16:33:27

level10

Time of First Successful Submission: 2024-01-13 16:35:34

level11

Time of First Successful Submission: 2024-01-13 16:39:14

level12

Time of First Successful Submission: 2024-01-13 16:40:55

level13

Time of First Successful Submission: 2024-01-13 16:42:00

level14

Time of First Successful Submission: 2024-01-13 16:43:41

level15

Time of First Successful Submission: 2024-01-13 17:11:04

level16

Time of First Successful Submission: 2024-01-13 17:22:07

level17

Time of First Successful Submission: 2024-01-13 17:40:18

level18

Time of First Successful Submission: 2024-01-13 17:43:58

level19

Time of First Successful Submission: 2024-01-13 17:51:06

level20

Time of First Successful Submission: 2024-01-13 17:54:21

level21

Time of First Successful Submission: 2024-01-13 17:56:06

level22

Time of First Successful Submission: 2024-01-13 17:56:58

level23

Time of First Successful Submission: 2024-01-13 17:58:42

level24

Time of First Successful Submission: 2024-01-13 17:59:57

level25

Time of First Successful Submission: 2024-01-13 18:02:16

level26

Time of First Successful Submission: 2024-01-13 18:03:41

level27

Time of First Successful Submission: 2024-01-13 18:05:14

level28

Time of First Successful Submission: 2024-01-13 18:12:11

level29

Time of First Successful Submission: 2024-01-13 18:28:13

level30

Time of First Successful Submission: 2024-01-14 07:18:50

level31

Time of First Successful Submission: 2024-01-14 07:23:27

level32

Time of First Successful Submission: 2024-01-14 08:47:33

level33

Time of First Successful Submission: 2024-01-14 08:52:26

level34

Time of First Successful Submission: 2024-01-14 08:58:23

level35

Time of First Successful Submission: 2024-01-14 08:59:34

level36

Time of First Successful Submission: 2024-01-14 09:03:49

level37

Time of First Successful Submission: 2024-01-14 09:05:04

level38

Time of First Successful Submission: 2024-01-14 09:07:42

level39

Time of First Successful Submission: 2024-01-14 09:08:26

level40

Time of First Successful Submission: 2024-01-14 09:14:41

level41

Time of First Successful Submission: 2024-01-14 14:19:46

level42

Time of First Successful Submission: 2024-01-14 14:20:57

level43

Time of First Successful Submission: 2024-01-14 14:21:45

level44

Time of First Successful Submission: 2024-01-14 14:22:33

level45

Time of First Successful Submission: 2024-01-14 14:23:26

level46

Time of First Successful Submission: 2024-01-14 14:24:57

level47

Time of First Successful Submission: 2024-01-14 14:26:05

level48

Time of First Successful Submission: 2024-01-14 15:04:14

level49

Time of First Successful Submission: 2024-01-14 15:05:39

level50

Time of First Successful Submission: 2024-01-14 15:06:41

level51

Time of First Successful Submission: 2024-01-14 15:07:59

level52

Time of First Successful Submission: 2024-01-14 16:36:04

level53

Time of First Successful Submission: 2024-01-15 13:42:10

level54

Time of First Successful Submission: 2024-01-15 13:44:38

level55

Time of First Successful Submission: 2024-01-15 13:45:35

level56

Time of First Successful Submission: 2024-01-15 13:46:37

level57

Time of First Successful Submission: 2024-01-15 13:47:44

level58

Time of First Successful Submission: 2024-01-15 13:50:19

level59

Time of First Successful Submission: 2024-01-15 14:46:45

level60

Time of First Successful Submission: 2024-01-16 13:08:17

level61

Time of First Successful Submission: 2024-01-16 13:10:32

level62

Time of First Successful Submission: 2024-01-16 13:11:37

level63

Time of First Successful Submission: 2024-01-16 13:24:10

level64

Time of First Successful Submission: 2024-01-16 13:26:21

level65

Time of First Successful Submission: 2024-01-16 13:35:50

level66

Time of First Successful Submission: 2024-01-16 13:37:13

level67

Time of First Successful Submission: 2024-01-16 13:38:14

level68

Time of First Successful Submission: 2024-01-16 13:44:37

level70

Time of First Successful Submission: 2024-01-16 14:28:34

level71

Time of First Successful Submission: 2024-01-16 14:30:48

level72

Time of First Successful Submission: 2024-01-18 17:06:44

level73

Time of First Successful Submission: 2024-01-17 13:18:37

level74

Time of First Successful Submission: 2024-01-17 13:23:09

level76

Time of First Successful Submission: 2024-01-17 13:25:33

level77

Time of First Successful Submission: 2024-01-17 13:27:27

level78

Time of First Successful Submission: 2024-01-18 17:09:39

level79

Time of First Successful Submission: 2024-01-17 14:16:32

level80

Time of First Successful Submission: 2024-01-18 12:56:40

level82

Time of First Successful Submission: 2024-01-18 12:58:28

level83

Time of First Successful Submission: 2024-01-18 13:00:57

level84

Time of First Successful Submission: 2024-01-18 17:12:56

level85

Time of First Successful Submission: 2024-01-18 13:08:47

level86

Time of First Successful Submission: 2024-01-18 13:10:53

level87

Time of First Successful Submission: 2024-01-18 13:12:24

level88

Time of First Successful Submission: 2024-01-18 13:16:14

level89

Time of First Successful Submission: 2024-01-18 13:16:58

level90

Time of First Successful Submission: 2024-01-18 13:19:13

level91

Time of First Successful Submission: 2024-01-18 13:20:23

level92

Time of First Successful Submission: 2024-01-18 13:22:17

level93

Time of First Successful Submission: 2024-01-18 13:23:40

level94

Time of First Successful Submission: 2024-01-18 13:24:53

level95

Time of First Successful Submission: 2024-01-18 13:29:06

level96

Time of First Successful Submission: 2024-01-18 13:29:50

level97

Time of First Successful Submission: 2024-01-18 13:32:25

level98

Time of First Successful Submission: 2024-01-18 13:33:30

level99

Time of First Successful Submission: 2024-01-18 13:37:33

level100

Time of First Successful Submission: 2024-01-18 13:38:41

level101

Time of First Successful Submission: 2024-01-18 13:40:51

level102

Time of First Successful Submission: 2024-01-18 13:44:04

level103

Time of First Successful Submission: 2024-01-18 13:46:35

level104

Time of First Successful Submission: 2024-01-18 13:47:48

level105

Time of First Successful Submission: 2024-01-18 13:48:58

level106

Time of First Successful Submission: 2024-01-18 13:50:02

level107

Time of First Successful Submission: 2024-01-18 20:38:22

level108

Time of First Successful Submission: 2024-01-18 20:41:04

level109

Time of First Successful Submission: 2024-01-18 20:54:05

level110

Time of First Successful Submission: 2024-01-18 20:56:22

level111

Time of First Successful Submission: 2024-01-18 20:57:42

level112

Time of First Successful Submission: 2024-01-19 06:30:59

level113

Time of First Successful Submission: 2024-01-19 06:32:21

level114

Time of First Successful Submission: 2024-01-19 06:33:53

level115

Time of First Successful Submission: 2024-01-19 06:34:55

level116

Time of First Successful Submission: 2024-01-19 06:36:21

level117

Time of First Successful Submission: 2024-01-19 06:37:44

level118

Time of First Successful Submission: 2024-01-19 06:38:54

level119

Time of First Successful Submission: 2024-01-19 06:41:12

level120

Time of First Successful Submission: 2024-01-19 06:42:54

level121

Time of First Successful Submission: 2024-01-19 07:18:01

level122

Time of First Successful Submission: 2024-01-19 07:18:41

level123

Time of First Successful Submission: 2024-01-19 07:20:06

level124

Time of First Successful Submission: 2024-01-19 09:51:49

level125

Time of First Successful Submission: 2024-01-19 10:37:43

level126

Time of First Successful Submission: 2024-01-19 10:47:17

level127

Time of First Successful Submission: 2024-01-19 10:59:08

level128

Time of First Successful Submission: 2024-01-19 11:34:39

level129

Time of First Successful Submission: 2024-01-19 11:47:52

level130

Time of First Successful Submission: 2024-01-19 11:53:34

level131

Time of First Successful Submission: 2024-01-19 11:55:24

level132

Time of First Successful Submission: 2024-01-19 11:56:49

level133

Time of First Successful Submission: 2024-01-19 11:59:27

level134

Time of First Successful Submission: 2024-01-19 12:00:26

level135

Time of First Successful Submission: 2024-01-19 12:01:44

level136

Time of First Successful Submission: 2024-01-19 12:03:11

level137

Time of First Successful Submission: 2024-01-19 12:04:18

level138

Time of First Successful Submission: 2024-01-19 12:07:02

level139

Time of First Successful Submission: 2024-01-19 12:08:08

level140

Time of First Successful Submission: 2024-01-19 13:05:09

level141

Time of First Successful Submission: 2024-01-19 14:01:40

level142

Time of First Successful Submission: 2024-01-19 14:29:01

HTTP (curl)

Time of First Successful Submission: 2024-01-21 15:13:42

HTTP (python)

Time of First Successful Submission: 2024-01-21 15:18:37

URL Encoding (curl)

Time of First Successful Submission: 2024-01-21 15:28:21

URL Encoding (python)

Time of First Successful Submission: 2024-01-21 15:29:05

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-01-21 15:36:17

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-01-21 15:37:03

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-01-21 15:40:06

Multiple Form Fields (python)

Time of First Successful Submission: 2024-01-21 15:46:32

HTTP JSON (curl)

Time of First Successful Submission: 2024-01-21 15:47:39

HTTP JSON (netcat)

Time of First Successful Submission: 2024-01-21 15:48:31

HTTP JSON (python)

Time of First Successful Submission: 2024-01-21 15:49:24

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-01-21 15:52:04

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-01-21 15:55:30

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-01-21 15:57:02

Server State (curl)

Time of First Successful Submission: 2024-01-21 16:04:49

Server State (netcat)

Time of First Successful Submission: 2024-01-21 16:06:38

Silenced Shellcode

Time of First Successful Submission: 2024-01-28 20:31:20

Shellcode Shuffle

Time of First Successful Submission: 2024-01-29 16:42:24

Shellcode Shuffle II

Time of First Successful Submission: 2024-01-29 16:43:26

Mmap Mirage (Easy)

Time of First Successful Submission: 2024-02-05 12:25:19

Mmap Mirage (Hard)

Time of First Successful Submission: 2024-02-05 12:54:59

Twisted Text (Easy)

Time of First Successful Submission: 2024-01-30 12:43:53

Twisted Text (Hard)

Time of First Successful Submission: 2024-01-30 12:45:45

Tidy Task (Easy)

Time of First Successful Submission: 2024-01-30 13:08:30

Tidy Task (Hard)

Time of First Successful Submission: 2024-01-30 13:09:58

Logical License (Easy)

Time of First Successful Submission: 2024-01-30 13:12:58

Logical License (Hard)

Time of First Successful Submission: 2024-01-30 13:15:16

Modest Mangler (Easy)

Time of First Successful Submission: 2024-01-30 16:27:08

Modest Mangler (Hard)

Time of First Successful Submission: 2024-01-30 16:37:33

This is Yancode (Easy)

Time of First Successful Submission: 2024-01-30 20:28:01

This is Yancode (Hard)

Time of First Successful Submission: 2024-01-30 20:38:08

Powered by Yancode (Easy)

Time of First Successful Submission: 2024-01-31 06:16:07

Powered by Yancode (Hard)

Time of First Successful Submission: 2024-01-31 06:28:26

Yancode Inside (Easy)

Time of First Successful Submission: 2024-01-31 11:12:56

Yancode Inside (Hard)

Time of First Successful Submission: 2024-01-31 11:24:00

Level 15

Time of First Successful Submission: 2024-01-28 16:36:40


Intro to Programming Languages

15 / 234 4920 / 28283


Commands

Time of First Successful Submission: 2024-11-17 14:52:42

Command Arguments

Time of First Successful Submission: 2024-11-17 14:53:38

Command History

Time of First Successful Submission: 2025-10-04 09:59:53

The Root Path

Time of First Successful Submission: 2024-11-17 14:54:37

Absolute Paths

Time of First Successful Submission: 2024-11-17 14:55:27

Changing position

Time of First Successful Submission: 2024-11-17 14:56:38

Changing to an Absolute Path

Time of First Successful Submission: 2024-11-17 14:57:25

Relative Paths

Time of First Successful Submission: 2024-11-17 14:59:03

Cat

Time of First Successful Submission: 2024-11-17 15:04:23

Ls

Time of First Successful Submission: 2024-11-17 15:10:50

Ls All

Time of First Successful Submission: 2024-11-17 15:12:43

Find

Time of First Successful Submission: 2024-11-17 15:17:48

Piping Echo

Time of First Successful Submission: 2024-11-17 15:37:17

Piping Stdout

Time of First Successful Submission: 2024-11-17 15:38:05

Piping Stdin

Time of First Successful Submission: 2024-11-17 15:41:44


Intro to Cybersecurity

183 / 183 95 / 17944


Path Traversal 1

Time of First Successful Submission: 2024-01-25 17:16:53

Path Traversal 2

Time of First Successful Submission: 2024-11-18 16:41:53

CMDi 1

Time of First Successful Submission: 2024-11-18 16:46:38

CMDi 2

Time of First Successful Submission: 2024-11-18 16:48:51

CMDi 3

Time of First Successful Submission: 2024-11-18 16:52:15

CMDi 4

Time of First Successful Submission: 2024-01-25 17:22:53

CMDi 5

Time of First Successful Submission: 2024-11-18 16:54:50

CMDi 6

Time of First Successful Submission: 2024-11-18 17:12:50

Authentication Bypass 1

Time of First Successful Submission: 2024-01-25 21:14:21

Authentication Bypass 2

Time of First Successful Submission: 2024-11-19 13:41:13

SQLi 1

Time of First Successful Submission: 2024-11-19 13:53:07

SQLi 2

Time of First Successful Submission: 2024-01-26 06:14:05

SQLi 3

Time of First Successful Submission: 2024-01-26 06:21:38

SQLi 4

Time of First Successful Submission: 2024-01-26 06:25:29

SQLi 5

Time of First Successful Submission: 2024-01-26 09:22:11

XSS 1

Time of First Successful Submission: 2025-04-14 15:42:34

XSS 2

Time of First Successful Submission: 2025-04-14 15:46:02

XSS 3

Time of First Successful Submission: 2024-01-26 16:49:26

XSS 4

Time of First Successful Submission: 2024-01-26 16:54:37

XSS 5

Time of First Successful Submission: 2024-01-26 17:12:46

XSS 6

Time of First Successful Submission: 2025-04-14 16:21:12

XSS 7

Time of First Successful Submission: 2025-04-15 15:55:29

CSRF 1

Time of First Successful Submission: 2024-01-26 18:34:18

CSRF 2

Time of First Successful Submission: 2024-01-26 18:56:28

CSRF 3

Time of First Successful Submission: 2025-04-15 16:23:19

CSRF 4

Time of First Successful Submission: 2024-01-27 07:30:12

CSRF 5

Time of First Successful Submission: 2024-01-27 07:56:16

Connect

Time of First Successful Submission: 2024-01-22 12:07:28

Send

Time of First Successful Submission: 2025-04-12 08:29:13

Shutdown

Time of First Successful Submission: 2025-04-12 08:32:17

Listen

Time of First Successful Submission: 2024-01-22 12:08:03

Scan 1

Time of First Successful Submission: 2024-01-22 13:47:57

Scan 2

Time of First Successful Submission: 2024-01-22 14:31:32

Monitor 1

Time of First Successful Submission: 2024-01-22 14:36:48

Monitor 2

Time of First Successful Submission: 2024-01-23 15:22:58

Sniffing Cookies

Time of First Successful Submission: 2025-04-12 08:41:41

Network Configuration

Time of First Successful Submission: 2024-01-23 16:22:50

Firewall 1

Time of First Successful Submission: 2025-04-15 18:41:31

Firewall 2

Time of First Successful Submission: 2025-04-15 18:44:11

Firewall 3

Time of First Successful Submission: 2025-04-15 18:47:31

Denial of Service 1

Time of First Successful Submission: 2025-04-16 05:49:12

Denial of Service 2

Time of First Successful Submission: 2025-04-16 05:54:55

Denial of Service 3

Time of First Successful Submission: 2025-04-16 13:54:31

Ethernet

Time of First Successful Submission: 2024-01-23 20:17:11

IP

Time of First Successful Submission: 2024-01-24 06:25:36

TCP

Time of First Successful Submission: 2024-01-24 06:37:26

TCP Handshake

Time of First Successful Submission: 2024-01-24 06:45:59

UDP

Time of First Successful Submission: 2025-04-16 15:13:42

UDP 2

Time of First Successful Submission: 2025-04-16 15:15:45

UDP Spoofing 1

Time of First Successful Submission: 2025-04-16 15:20:45

UDP Spoofing 2

Time of First Successful Submission: 2025-04-16 15:31:10

UDP Spoofing 3

Time of First Successful Submission: 2025-04-16 15:39:44

UDP Spoofing 4

Time of First Successful Submission: 2025-04-16 17:34:19

ARP

Time of First Successful Submission: 2024-01-24 06:51:41

Intercept

Time of First Successful Submission: 2024-01-24 10:31:13

Man-in-the-Middle

Time of First Successful Submission: 2024-01-24 13:18:12

XOR

Time of First Successful Submission: 2025-04-17 15:22:00

XORing Hex

Time of First Successful Submission: 2025-04-17 16:02:29

XORing ASCII

Time of First Successful Submission: 2025-04-17 16:30:50

XORing ASCII Strings

Time of First Successful Submission: 2025-04-17 18:45:34

One-time Pad

Time of First Successful Submission: 2024-01-24 14:58:32

One-time Pad Tampering

Time of First Successful Submission: 2025-10-04 14:59:45

Many-time Pad

Time of First Successful Submission: 2024-01-24 15:45:08

AES

Time of First Successful Submission: 2024-01-24 15:48:33

AES-ECB-CPA

Time of First Successful Submission: 2025-04-18 11:39:17

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-04-18 13:52:43

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-04-18 14:01:33

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-04-18 14:39:53

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-04-19 14:06:06

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-04-19 15:01:47

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2024-01-24 17:23:36

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-04-19 19:09:31

AES-CBC

Time of First Successful Submission: 2025-04-21 13:29:17

AES-CBC Tampering

Time of First Successful Submission: 2025-04-21 14:42:44

AES-CBC Resizing

Time of First Successful Submission: 2025-04-21 15:09:05

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-04-23 16:25:51

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-04-24 13:15:35

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-04-24 13:19:03

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-04-24 15:19:04

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-10-04 15:14:39

DHKE

Time of First Successful Submission: 2024-01-25 06:21:10

DHKE-to-AES

Time of First Successful Submission: 2025-04-24 16:21:25

RSA 1

Time of First Successful Submission: 2024-01-25 06:28:43

RSA 2

Time of First Successful Submission: 2024-01-25 06:38:29

RSA 3

Time of First Successful Submission: 2024-01-25 13:29:29

RSA 4

Time of First Successful Submission: 2024-01-25 13:47:51

RSA Signatures

Time of First Successful Submission: 2025-04-25 08:56:12

SHA 1

Time of First Successful Submission: 2024-01-25 12:16:11

SHA 2

Time of First Successful Submission: 2024-01-25 12:20:25

TLS 1

Time of First Successful Submission: 2024-01-25 15:16:36

TLS 2

Time of First Successful Submission: 2024-01-25 15:57:12

level1

Time of First Successful Submission: 2025-04-26 17:11:18

level2

Time of First Successful Submission: 2025-04-26 17:12:11

level3

Time of First Successful Submission: 2025-04-26 17:12:54

level4

Time of First Successful Submission: 2025-04-26 17:13:44

level5

Time of First Successful Submission: 2025-04-26 17:16:42

level6

Time of First Successful Submission: 2025-04-26 17:19:11

level7

Time of First Successful Submission: 2025-04-26 17:20:16

level8

Time of First Successful Submission: 2025-04-26 17:21:03

level9

Time of First Successful Submission: 2025-04-26 17:21:56

level10

Time of First Successful Submission: 2025-04-26 17:22:56

level11

Time of First Successful Submission: 2025-04-26 17:25:45

level12

Time of First Successful Submission: 2025-04-26 17:27:22

level13

Time of First Successful Submission: 2025-04-26 17:28:16

level14

Time of First Successful Submission: 2025-04-26 17:29:16

level15

Time of First Successful Submission: 2025-04-26 17:29:57

level16

Time of First Successful Submission: 2025-04-26 17:31:54

level17

Time of First Successful Submission: 2025-04-27 12:19:31

level18

Time of First Successful Submission: 2025-04-27 12:20:00

level19

Time of First Successful Submission: 2025-04-27 13:06:19

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-04-27 13:34:50

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-04-27 13:41:42

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2024-11-19 14:12:49

Reading Endianness (Python)

Time of First Successful Submission: 2025-04-27 13:49:03

Reading Endianness (C)

Time of First Successful Submission: 2025-04-27 13:51:54

Reading Endianness (x86)

Time of First Successful Submission: 2024-11-19 14:15:56

Version Information (Python)

Time of First Successful Submission: 2025-04-27 14:25:47

Version Information (C)

Time of First Successful Submission: 2025-04-27 15:10:40

Version Information (x86)

Time of First Successful Submission: 2024-11-19 15:47:15

Metadata and Data (Python)

Time of First Successful Submission: 2025-04-27 15:29:38

Metadata and Data (C)

Time of First Successful Submission: 2025-04-27 16:14:57

Metadata and Data (x86)

Time of First Successful Submission: 2024-11-19 15:56:38

Input Restrictions (Python)

Time of First Successful Submission: 2025-04-27 16:23:46

Input Restrictions (C)

Time of First Successful Submission: 2025-04-27 16:28:14

Input Restrictions (x86)

Time of First Successful Submission: 2024-11-19 16:03:33

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-04-28 14:31:32

Behold the cIMG! (C)

Time of First Successful Submission: 2025-04-28 14:39:18

Behold the cIMG! (x86)

Time of First Successful Submission: 2024-11-19 16:11:44

A Basic cIMG (Python)

Time of First Successful Submission: 2025-04-28 15:18:43

A Basic cIMG (C)

Time of First Successful Submission: 2025-04-28 15:41:48

A Basic cIMG (x86)

Time of First Successful Submission: 2025-04-28 15:45:11

Internal State Mini (C)

Time of First Successful Submission: 2025-04-29 16:27:09

Internal State Mini (x86)

Time of First Successful Submission: 2025-04-29 18:40:07

Internal State (C)

Time of First Successful Submission: 2025-05-02 13:22:04

Internal State (x86)

Time of First Successful Submission: 2025-05-02 13:28:31

File Formats: Directives (C)

Time of First Successful Submission: 2025-05-02 14:59:09

File Formats: Directives (x86)

Time of First Successful Submission: 2025-05-02 15:05:51

The Patch Directive

Time of First Successful Submission: 2025-11-04 13:18:52

Optimizing for Space

Time of First Successful Submission: 2025-11-04 14:18:41

Tweaking Images

Time of First Successful Submission: 2025-11-04 16:17:39

Storage and Retrieval

Time of First Successful Submission: 2025-11-05 16:21:56

Extracting Knowledge

Time of First Successful Submission: 2025-11-06 14:17:22

Advanced Sprites

Time of First Successful Submission: 2025-11-07 16:37:19

Accessing Resources

Time of First Successful Submission: 2025-11-09 11:22:29

Unsafe Animations

Time of First Successful Submission: 2025-11-09 11:55:47

Animations

Time of First Successful Submission: 2025-11-09 12:43:43

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-09 13:46:52

Patching Code

Time of First Successful Submission: 2025-11-09 17:13:42

Patching Control Flow

Time of First Successful Submission: 2025-11-09 17:43:48

Your First Overflow (easy)

Time of First Successful Submission: 2024-02-04 10:46:23

Your First Overflow (hard)

Time of First Successful Submission: 2024-02-04 11:03:52

Precision (easy)

Time of First Successful Submission: 2025-11-11 13:49:47

Precision (hard)

Time of First Successful Submission: 2025-11-11 13:51:56

Variable Control (easy)

Time of First Successful Submission: 2024-02-04 11:16:34

Variable Control (hard)

Time of First Successful Submission: 2024-02-04 11:21:08

Control Hijack (easy)

Time of First Successful Submission: 2024-02-04 12:07:00

Control Hijack (hard)

Time of First Successful Submission: 2024-02-04 12:11:19

Tricky Control Hijack (easy)

Time of First Successful Submission: 2024-02-04 14:08:14

Tricky Control Hijack (hard)

Time of First Successful Submission: 2024-02-04 14:10:22

PIEs (easy)

Time of First Successful Submission: 2024-02-04 14:30:18

PIEs (hard)

Time of First Successful Submission: 2024-02-04 14:32:05

String Lengths (easy)

Time of First Successful Submission: 2024-02-04 14:40:10

String Lengths (hard)

Time of First Successful Submission: 2024-02-04 14:45:40

Basic Shellcode

Time of First Successful Submission: 2024-01-28 17:06:14

NOP Sleds

Time of First Successful Submission: 2024-01-28 18:39:58

NULL-Free Shellcode

Time of First Successful Submission: 2024-01-28 18:57:51

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2024-02-06 14:31:54

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2024-02-06 14:34:54

Hijack to Shellcode (easy)

Time of First Successful Submission: 2024-02-07 06:35:13

Hijack to Shellcode (hard)

Time of First Successful Submission: 2024-02-07 06:41:53

ECB-to-Win (easy)

Time of First Successful Submission: 2025-11-16 13:59:29

ECB-to-Win (hard)

Time of First Successful Submission: 2025-11-16 14:01:56

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-11-16 15:24:54

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-11-16 18:34:15

CIMG Screenshots

Time of First Successful Submission: 2025-11-18 09:54:00

CIMG Screenshots 2

Time of First Successful Submission: 2025-11-18 15:37:29

Wily Webserver

Time of First Successful Submission: 2025-11-18 17:09:18

The Watering Hole

Time of First Successful Submission: 2025-11-19 17:01:53

Secure Chat 1

Time of First Successful Submission: 2025-11-20 14:13:20

Secure Chat 2

Time of First Successful Submission: 2025-11-21 10:55:27

Secure Chat 3

Time of First Successful Submission: 2025-11-24 05:32:13

Secure Chat 4

Time of First Successful Submission: 2025-11-26 13:28:41

Secure Chat 5

Time of First Successful Submission: 2025-12-02 18:22:22


Program Security

74 / 162 931 / 9035


ello ackers!

Time of First Successful Submission: 2024-01-28 19:52:56

Syscall Smuggler

Time of First Successful Submission: 2024-01-28 20:04:25

Syscall Shenanigans

Time of First Successful Submission: 2024-01-28 20:09:08

Byte Budget

Time of First Successful Submission: 2024-01-29 15:31:33

ClobberCode

Time of First Successful Submission: 2024-01-29 16:26:03

Diverse Delivery

Time of First Successful Submission: 2024-01-29 16:56:45

Pocket Payload

Time of First Successful Submission: 2024-01-30 05:52:06

Micro Menace

Time of First Successful Submission: 2024-01-30 09:58:57

Login Leakage (Easy)

Time of First Successful Submission: 2025-12-09 11:41:27

Login Leakage (Hard)

Time of First Successful Submission: 2025-12-09 11:50:30

Bounds Breaker (Easy)

Time of First Successful Submission: 2024-02-04 13:17:25

Bounds Breaker (Hard)

Time of First Successful Submission: 2024-02-04 13:20:06

Casting Catastrophe (Easy)

Time of First Successful Submission: 2024-02-04 13:47:44

Casting Catastrophe (Hard)

Time of First Successful Submission: 2024-02-04 13:53:08

Pointer Problems (Easy)

Time of First Successful Submission: 2025-12-10 14:05:02

Pointer Problems (Hard)

Time of First Successful Submission: 2025-12-10 14:13:24

Loop Lunacy (Easy)

Time of First Successful Submission: 2024-02-04 15:33:12

Loop Lunacy (Hard)

Time of First Successful Submission: 2024-02-05 06:38:59

Nosy Neighbor (Easy)

Time of First Successful Submission: 2024-02-05 06:46:55

Nosy Neighbor (Hard)

Time of First Successful Submission: 2024-02-05 06:48:32

Recursive Ruin (Easy)

Time of First Successful Submission: 2024-02-05 17:23:58

Recursive Ruin (Hard)

Time of First Successful Submission: 2024-02-05 18:33:18

Lingering Leftover (Easy)

Time of First Successful Submission: 2024-02-05 20:03:31

Lingering Leftover (Hard)

Time of First Successful Submission: 2024-02-05 20:05:53

Latent Leak (Easy)

Time of First Successful Submission: 2024-02-06 05:35:32

Latent Leak (Hard)

Time of First Successful Submission: 2024-02-06 05:50:28

Fork Foolery (Easy)

Time of First Successful Submission: 2024-02-06 12:59:27

Fork Foolery (Hard)

Time of First Successful Submission: 2024-02-06 13:24:36

Canary Conundrum (Easy)

Time of First Successful Submission: 2024-02-07 10:47:03

Canary Conundrum (Hard)

Time of First Successful Submission: 2024-02-07 11:13:32

A Crafty Clobber (Easy)

Time of First Successful Submission: 2024-02-07 11:35:58

A Crafty Clobber (Hard)

Time of First Successful Submission: 2024-02-07 11:43:01

Terrible Token (Easy)

Time of First Successful Submission: 2024-01-30 12:20:47

Terrible Token (Hard)

Time of First Successful Submission: 2024-01-30 12:22:27

Tangled Ticket (Easy)

Time of First Successful Submission: 2024-01-30 12:26:00

Tangled Ticket (Hard)

Time of First Successful Submission: 2024-01-30 12:31:35

Meager Mangler (Easy)

Time of First Successful Submission: 2024-01-30 14:46:45

Meager Mangler (Hard)

Time of First Successful Submission: 2024-01-30 14:50:25

Monstrous Mangler (Easy)

Time of First Successful Submission: 2024-01-30 16:46:48

Monstrous Mangler (Hard)

Time of First Successful Submission: 2024-01-30 16:55:23

Patched Up (Easy)

Time of First Successful Submission: 2024-01-30 17:12:55

Patched Up (Hard)

Time of First Successful Submission: 2024-01-30 17:15:17

Puzzle Patch (Easy)

Time of First Successful Submission: 2024-01-30 17:17:43

Puzzle Patch (Hard)

Time of First Successful Submission: 2024-01-30 17:19:11

Patch Perfect (Easy)

Time of First Successful Submission: 2024-01-30 19:48:34

Patch Perfect (Hard)

Time of First Successful Submission: 2024-01-30 20:20:00

Trust the Yancode (Easy)

Time of First Successful Submission: 2024-01-31 11:38:57

Trust the Yancode (Hard)

Time of First Successful Submission: 2024-01-31 11:42:33

Know the Yancode (Easy)

Time of First Successful Submission: 2024-01-31 12:27:38

Know the Yancode (Hard)

Time of First Successful Submission: 2024-01-31 12:36:21

Master the Yancode (Easy)

Time of First Successful Submission: 2024-01-31 12:59:03

Master the Yancode (Hard)

Time of First Successful Submission: 2024-01-31 13:08:09

Transcend the Yancode (Easy)

Time of First Successful Submission: 2024-01-31 13:23:36

Transcend the Yancode (Hard)

Time of First Successful Submission: 2024-01-31 13:32:05

The Yanalyzer (Easy)

Time of First Successful Submission: 2024-02-01 11:27:22

The Yanalyzer (Hard)

Time of First Successful Submission: 2024-02-01 12:27:09

The Yangler (Easy)

Time of First Successful Submission: 2024-02-01 13:44:55

The Yangler (Hard)

Time of First Successful Submission: 2024-02-01 14:46:59

Yancraft (Easy)

Time of First Successful Submission: 2024-02-01 17:31:30

Yancraft (Hard)

Time of First Successful Submission: 2024-02-02 10:05:53

Yansanity (Easy)

Time of First Successful Submission: 2024-02-03 08:25:39

Yansanity (Hard)

Time of First Successful Submission: 2024-02-03 17:19:50

Containment Composition (Easy)

Time of First Successful Submission: 2024-02-07 13:06:20

Containment Composition (Hard)

Time of First Successful Submission: 2024-02-07 13:17:04

Constant Corruption (Easy)

Time of First Successful Submission: 2024-02-07 16:10:29

Constant Corruption (Hard)

Time of First Successful Submission: 2024-02-07 16:54:53

Return to YanLand (Easy)

Time of First Successful Submission: 2024-02-08 13:55:39

Return to YanLand (Hard)

Time of First Successful Submission: 2024-02-08 14:02:40

Escape from YanLand (Easy)

Time of First Successful Submission: 2024-02-08 16:34:59

Escape from YanLand (Hard)

Time of First Successful Submission: 2024-02-08 16:55:03

The YanFilter (Easy)

Time of First Successful Submission: 2024-02-09 13:38:13

The YanFilter (Hard)

Time of First Successful Submission: 2024-02-09 13:46:18

The Great YanFilter (Easy)

Time of First Successful Submission: 2024-02-10 08:55:02

The Great YanFilter (Hard)

Time of First Successful Submission: 2024-02-10 09:06:32


Start Here

11 / 12 4412 / 38521


Using the Terminal

Time of First Successful Submission: 2025-10-04 09:58:40

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-09 21:31:59

Using the GUI Desktop

Time of First Successful Submission: 2024-01-09 21:33:54

Pasting into the Desktop

Time of First Successful Submission: 2024-01-09 21:35:22

Restarting Challenges

Time of First Successful Submission: 2024-11-18 14:15:51

Challenge Programs

Time of First Successful Submission: 2024-11-18 14:17:59

The Flag File

Time of First Successful Submission: 2024-01-09 21:36:33

Using Privileged Mode

Time of First Successful Submission: 2024-01-09 21:38:47

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-09 21:40:20

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-09 21:41:14


Linux Luminarium

127 / 128 1695 / 28544


Intro to Commands

Time of First Successful Submission: 2024-11-17 14:52:42

Intro to Arguments

Time of First Successful Submission: 2024-11-17 14:53:38

Command History

Time of First Successful Submission: 2025-10-04 09:59:53

The Root

Time of First Successful Submission: 2024-11-17 14:54:37

Program and absolute paths

Time of First Successful Submission: 2024-11-17 14:55:27

Position thy self

Time of First Successful Submission: 2024-11-17 14:56:38

Position elsewhere

Time of First Successful Submission: 2024-11-17 14:57:25

implicit relative paths, from /

Time of First Successful Submission: 2024-11-17 14:59:03

explicit relative paths, from /

Time of First Successful Submission: 2024-11-17 15:00:00

implicit relative path

Time of First Successful Submission: 2024-11-17 15:00:50

home sweet home

Time of First Successful Submission: 2024-11-17 15:03:20

cat: not the pet, but the command!

Time of First Successful Submission: 2024-11-17 15:04:23

catting absolute paths

Time of First Successful Submission: 2024-11-17 15:05:07

more catting practice

Time of First Successful Submission: 2024-11-17 15:09:24

grepping for a needle in a haystack

Time of First Successful Submission: 2024-11-17 15:10:12

comparing files

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

listing files

Time of First Successful Submission: 2024-11-17 15:10:50

touching files

Time of First Successful Submission: 2024-11-17 15:11:34

removing files

Time of First Successful Submission: 2024-11-17 15:12:12

moving files

Time of First Successful Submission: 2025-10-04 10:01:55

copying files

Time of First Successful Submission: 2025-11-11 09:50:34

hidden files

Time of First Successful Submission: 2024-11-17 15:12:43

An Epic Filesystem Quest

Time of First Successful Submission: 2024-11-17 15:15:44

making directories

Time of First Successful Submission: 2024-11-17 15:16:26

finding files

Time of First Successful Submission: 2024-11-17 15:17:48

linking files

Time of First Successful Submission: 2024-11-17 15:20:07

Learning From Documentation

Time of First Successful Submission: 2024-11-17 15:21:29

Learning Complex Usage

Time of First Successful Submission: 2024-11-17 15:22:29

Reading Manuals

Time of First Successful Submission: 2024-11-17 15:23:24

Searching Manuals

Time of First Successful Submission: 2024-11-17 15:24:19

Searching For Manuals

Time of First Successful Submission: 2024-11-17 15:25:40

Helpful Programs

Time of First Successful Submission: 2024-11-17 15:26:26

Help for Builtins

Time of First Successful Submission: 2024-11-17 15:27:32

Matching with *

Time of First Successful Submission: 2024-11-17 15:29:00

Matching with ?

Time of First Successful Submission: 2024-11-17 15:29:37

Matching with []

Time of First Successful Submission: 2024-11-17 15:30:39

Matching paths with []

Time of First Successful Submission: 2024-11-17 15:31:31

Multiple globs

Time of First Successful Submission: 2025-10-04 10:03:19

Mixing globs

Time of First Successful Submission: 2024-11-17 15:34:02

Exclusionary globbing

Time of First Successful Submission: 2024-11-17 15:35:11

Tab completion

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

Multiple options for tab completion

Time of First Successful Submission: 2025-10-04 10:05:02

Tab completion on commands

Time of First Successful Submission: 2025-10-04 10:05:26

Redirecting output

Time of First Successful Submission: 2024-11-17 15:37:17

Redirecting more output

Time of First Successful Submission: 2024-11-17 15:38:05

Appending output

Time of First Successful Submission: 2024-11-17 15:39:26

Redirecting errors

Time of First Successful Submission: 2024-11-17 15:40:53

Redirecting input

Time of First Successful Submission: 2024-11-17 15:41:44

Grepping stored results

Time of First Successful Submission: 2024-11-17 15:42:47

Grepping live output

Time of First Successful Submission: 2024-11-17 15:43:17

Grepping errors

Time of First Successful Submission: 2024-11-17 15:44:15

Filtering with grep -v

Time of First Successful Submission: 2025-10-04 10:06:20

Filtering with sed

Time of First Successful Submission: 2025-11-11 09:51:44

Duplicating piped data with tee

Time of First Successful Submission: 2024-11-17 15:46:14

Process substitution for input

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

Writing to multiple programs

Time of First Successful Submission: 2024-11-17 15:49:50

Split-piping stderr and stdout

Time of First Successful Submission: 2024-11-17 15:52:35

Named pipes

Time of First Successful Submission: 2025-10-04 10:12:32

Printing Variables

Time of First Successful Submission: 2024-11-17 15:53:23

Setting Variables

Time of First Successful Submission: 2024-11-17 15:54:12

Multi-word Variables

Time of First Successful Submission: 2024-11-17 15:54:47

Exporting Variables

Time of First Successful Submission: 2024-11-17 15:55:39

Printing Exported Variables

Time of First Successful Submission: 2024-11-17 15:56:14

Storing Command Output

Time of First Successful Submission: 2024-11-17 15:57:12

Reading Input

Time of First Successful Submission: 2024-11-17 15:58:43

Reading Files

Time of First Successful Submission: 2024-11-17 16:00:01

Translating characters

Time of First Successful Submission: 2025-10-04 10:15:40

Deleting characters

Time of First Successful Submission: 2025-10-04 10:16:26

Deleting newlines

Time of First Successful Submission: 2025-10-04 10:17:21

Extracting the first lines with head

Time of First Successful Submission: 2025-10-04 10:18:04

Extracting specific sections of text

Time of First Successful Submission: 2025-10-04 10:19:09

Sorting data

Time of First Successful Submission: 2025-10-04 10:19:54

Listing Processes

Time of First Successful Submission: 2024-11-17 16:01:30

Killing Processes

Time of First Successful Submission: 2024-11-17 16:02:12

Interrupting Processes

Time of First Successful Submission: 2024-11-17 16:02:48

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-04 10:21:51

Suspending Processes

Time of First Successful Submission: 2024-11-17 16:03:22

Resuming Processes

Time of First Successful Submission: 2024-11-17 16:03:53

Backgrounding Processes

Time of First Successful Submission: 2024-11-17 16:05:14

Foregrounding Processes

Time of First Successful Submission: 2024-11-17 16:06:06

Starting Backgrounded Processes

Time of First Successful Submission: 2024-11-17 16:06:37

Process Exit Codes

Time of First Successful Submission: 2024-11-17 16:07:19

Becoming root with su

Time of First Successful Submission: 2024-11-17 16:21:11

Other users with su

Time of First Successful Submission: 2024-11-17 16:21:40

Cracking passwords

Time of First Successful Submission: 2024-11-17 16:23:44

Using sudo

Time of First Successful Submission: 2024-11-17 16:25:19

Changing File Ownership

Time of First Successful Submission: 2024-11-17 16:10:20

Groups and Files

Time of First Successful Submission: 2024-11-17 16:11:06

Fun With Groups Names

Time of First Successful Submission: 2024-11-17 16:11:55

Changing Permissions

Time of First Successful Submission: 2024-11-17 16:12:34

Executable Files

Time of First Successful Submission: 2024-11-17 16:13:05

Permission Tweaking Practice

Time of First Successful Submission: 2024-11-17 16:17:02

Permissions Setting Practice

Time of First Successful Submission: 2024-11-17 16:19:15

The SUID Bit

Time of First Successful Submission: 2024-11-17 16:20:06

Chaining with Semicolons

Time of First Successful Submission: 2024-11-17 16:26:00

Building on Success

Time of First Successful Submission: 2025-10-04 10:23:06

Handling Failure

Time of First Successful Submission: 2025-10-04 10:23:31

Your First Shell Script

Time of First Successful Submission: 2024-11-17 16:26:47

Redirecting Script Output

Time of First Successful Submission: 2024-11-17 16:27:42

Executable Shell Scripts

Time of First Successful Submission: 2024-11-17 16:28:21

Understanding Shebangs

Time of First Successful Submission: 2025-10-04 10:25:45

Scripting with Arguments

Time of First Successful Submission: 2025-10-04 10:26:54

Scripting with Conditionals

Time of First Successful Submission: 2025-10-04 10:27:58

Scripting with Default Cases

Time of First Successful Submission: 2025-10-04 10:28:30

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-04 10:30:02

Reading Shell Scripts

Time of First Successful Submission: 2025-10-04 10:31:54

Launching Screen

Time of First Successful Submission: 2025-10-04 10:32:37

Detaching and Attaching

Time of First Successful Submission: 2025-10-04 10:33:18

Finding Sessions

Time of First Successful Submission: 2025-10-04 10:34:15

Switching Windows

Time of First Successful Submission: 2025-10-04 10:35:03

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-04 10:36:18

The PATH Variable

Time of First Successful Submission: 2024-11-17 16:29:27

Setting PATH

Time of First Successful Submission: 2024-11-17 16:30:47

Finding Commands

Time of First Successful Submission: 2025-10-04 10:45:32

Adding Commands

Time of First Successful Submission: 2024-11-18 14:12:41

Hijacking Commands

Time of First Successful Submission: 2024-11-18 14:14:25

Bashrc Backdoor

Time of First Successful Submission: 2025-10-04 10:47:09

Sniffing Input

Time of First Successful Submission: 2025-10-04 10:50:55

Overshared Directories

Time of First Successful Submission: 2025-10-04 10:55:20

Tricky Linking

Time of First Successful Submission: 2025-10-04 10:58:54

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-04 11:00:12

Snooping on Configurations

Time of First Successful Submission: 2025-10-04 11:01:37

The Fork Bomb

Time of First Successful Submission: 2025-10-04 11:10:16

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-04 11:14:45

rm -rf /

Time of First Successful Submission: 2025-10-04 11:18:06

Life after rm -rf /

Time of First Successful Submission: 2025-10-04 11:23:30

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-04 11:25:39


Computing 101

69 / 69 306 / 19454


Your First Register

Time of First Successful Submission: 2024-11-18 14:27:10

Your First Syscall

Time of First Successful Submission: 2024-11-18 14:28:30

Exit Codes

Time of First Successful Submission: 2024-11-18 14:29:26

Building Executables

Time of First Successful Submission: 2024-11-18 14:32:00

Moving Between Registers

Time of First Successful Submission: 2024-11-18 14:34:57

Tracing Syscalls

Time of First Successful Submission: 2024-11-18 14:33:52

Starting GDB

Time of First Successful Submission: 2025-04-12 09:08:00

Starting Programs in GDB

Time of First Successful Submission: 2025-04-12 09:08:46

Loading From Memory

Time of First Successful Submission: 2024-11-18 14:37:15

More Loading Practice

Time of First Successful Submission: 2024-11-18 14:37:54

Dereferencing Pointers

Time of First Successful Submission: 2024-11-18 14:39:30

Dereferencing Yourself

Time of First Successful Submission: 2024-11-18 15:26:01

Dereferencing with Offsets

Time of First Successful Submission: 2024-11-18 15:27:18

Stored Addresses

Time of First Successful Submission: 2024-11-18 15:57:47

Double Dereference

Time of First Successful Submission: 2024-11-18 15:59:39

Triple Dereference

Time of First Successful Submission: 2024-11-18 16:00:46

Writing Output

Time of First Successful Submission: 2024-11-18 16:06:20

Chaining Syscalls

Time of First Successful Submission: 2024-11-18 16:07:16

Writing Strings

Time of First Successful Submission: 2024-11-18 16:07:59

Reading Data

Time of First Successful Submission: 2025-04-13 13:45:58

set-register

Time of First Successful Submission: 2024-01-19 16:39:32

set-multiple-registers

Time of First Successful Submission: 2024-01-19 16:40:54

add-to-register

Time of First Successful Submission: 2024-01-19 16:42:49

linear-equation-registers

Time of First Successful Submission: 2024-01-19 16:50:34

integer-division

Time of First Successful Submission: 2024-01-19 16:54:00

modulo-operation

Time of First Successful Submission: 2024-01-19 16:55:40

set-upper-byte

Time of First Successful Submission: 2024-01-19 16:57:18

efficient-modulo

Time of First Successful Submission: 2024-01-19 17:04:38

byte-extraction

Time of First Successful Submission: 2024-01-19 17:08:32

bitwise-and

Time of First Successful Submission: 2024-01-19 17:11:03

check-even

Time of First Successful Submission: 2024-01-19 17:27:03

memory-read

Time of First Successful Submission: 2024-01-20 06:26:35

memory-write

Time of First Successful Submission: 2024-01-20 06:27:41

memory-increment

Time of First Successful Submission: 2024-01-20 06:30:59

byte-access

Time of First Successful Submission: 2024-01-20 06:33:08

memory-size-access

Time of First Successful Submission: 2024-01-20 06:34:49

little-endian-write

Time of First Successful Submission: 2024-01-20 06:43:32

memory-sum

Time of First Successful Submission: 2024-01-20 06:45:53

stack-subtraction

Time of First Successful Submission: 2024-01-20 06:48:16

swap-stack-values

Time of First Successful Submission: 2024-01-20 06:50:20

average-stack-values

Time of First Successful Submission: 2024-01-20 06:58:35

absolute-jump

Time of First Successful Submission: 2024-01-20 07:00:21

relative-jump

Time of First Successful Submission: 2024-01-20 13:57:40

jump-trampoline

Time of First Successful Submission: 2024-01-20 14:05:40

conditional-jump

Time of First Successful Submission: 2024-01-20 15:06:07

indirect-jump

Time of First Successful Submission: 2024-01-20 15:37:57

average-loop

Time of First Successful Submission: 2024-01-20 15:44:28

count-non-zero

Time of First Successful Submission: 2024-01-20 18:54:38

string-lower

Time of First Successful Submission: 2024-01-21 05:55:04

most-common-byte

Time of First Successful Submission: 2024-01-21 08:33:52

Debugging Programs

Time of First Successful Submission: 2024-01-21 12:00:19

Inspecting Registers

Time of First Successful Submission: 2024-01-21 12:01:33

Examining Memory

Time of First Successful Submission: 2024-01-21 12:08:15

Setting Breakpoints

Time of First Successful Submission: 2024-01-21 12:14:15

GDB Scripting

Time of First Successful Submission: 2024-01-21 12:22:33

Modifying Data

Time of First Successful Submission: 2024-01-21 12:41:36

Modifying Execution

Time of First Successful Submission: 2024-01-21 12:44:40

Broken Functions

Time of First Successful Submission: 2024-01-21 12:59:31

Exit

Time of First Successful Submission: 2024-01-21 17:17:57

Socket

Time of First Successful Submission: 2024-01-21 17:24:21

Bind

Time of First Successful Submission: 2024-01-21 19:55:20

Listen

Time of First Successful Submission: 2024-01-21 20:00:45

Accept

Time of First Successful Submission: 2024-01-21 20:05:40

Static Response

Time of First Successful Submission: 2024-01-21 20:24:39

Dynamic Response

Time of First Successful Submission: 2024-01-21 20:49:00

Iterative GET Server

Time of First Successful Submission: 2024-01-21 20:51:36

Concurrent GET Server

Time of First Successful Submission: 2024-01-21 20:58:45

Concurrent POST Server

Time of First Successful Submission: 2024-01-22 10:44:39

Web Server

Time of First Successful Submission: 2024-01-22 10:56:27


Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-04-13 14:37:39

... and again!

Time of First Successful Submission: 2025-04-13 14:38:25

Newline Troubles

Time of First Successful Submission: 2025-04-13 14:40:13

Reasoning about files

Time of First Successful Submission: 2025-04-13 14:55:46

Specifying Filenames

Time of First Successful Submission: 2025-04-13 14:56:46

Binary and Hex Encoding

Time of First Successful Submission: 2025-04-13 15:24:08

More Hex

Time of First Successful Submission: 2025-04-13 15:26:07

Decoding Hex

Time of First Successful Submission: 2025-04-13 15:30:18

Decoding Practice

Time of First Successful Submission: 2025-04-13 15:32:52

Encoding Practice

Time of First Successful Submission: 2025-04-13 15:40:24

Hex-encoding ASCII

Time of First Successful Submission: 2025-04-14 07:36:27

Nested Encoding

Time of First Successful Submission: 2025-04-14 07:39:03

Hex-encoding UTF-8

Time of First Successful Submission: 2025-04-14 07:42:07

UTF Mixups

Time of First Successful Submission: 2025-04-14 07:56:25

Modifying Encoded Data

Time of First Successful Submission: 2025-04-14 08:05:44

Decoding Base64

Time of First Successful Submission: 2024-01-24 14:51:39

Encoding Base64

Time of First Successful Submission: 2025-04-14 10:33:36

Dealing with Obfuscation

Time of First Successful Submission: 2025-04-14 10:37:26

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-04-14 10:43:08

Your First HTTP Request

Time of First Successful Submission: 2025-04-14 10:46:30

Reading Flask

Time of First Successful Submission: 2025-04-14 10:47:50

Commented Data

Time of First Successful Submission: 2025-04-14 10:49:36

HTTP Metadata

Time of First Successful Submission: 2025-04-14 10:50:55

HTTP (netcat)

Time of First Successful Submission: 2024-01-21 15:14:22

HTTP Paths (netcat)

Time of First Successful Submission: 2024-01-21 15:22:43

HTTP (curl)

Time of First Successful Submission: 2024-01-21 15:22:08

HTTP (python)

Time of First Successful Submission: 2024-01-21 15:23:31

HTTP Host Header (python)

Time of First Successful Submission: 2024-01-21 15:21:36

HTTP Host Header (curl)

Time of First Successful Submission: 2024-01-21 15:19:21

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-01-21 15:20:33

URL Encoding (netcat)

Time of First Successful Submission: 2024-01-21 15:31:56

HTTP GET Parameters

Time of First Successful Submission: 2024-01-21 15:32:53

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-01-21 15:39:03

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-01-21 15:38:11

HTTP Forms

Time of First Successful Submission: 2025-04-14 10:56:46

HTTP Forms (curl)

Time of First Successful Submission: 2024-01-21 15:41:01

HTTP Forms (netcat)

Time of First Successful Submission: 2024-01-21 15:42:03

HTTP Forms (python)

Time of First Successful Submission: 2024-01-21 15:43:17

HTTP Forms Without Forms

Time of First Successful Submission: 2025-04-14 10:59:06

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-01-21 15:44:13

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-01-21 15:45:11

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-01-21 15:59:09

HTTP Redirects (curl)

Time of First Successful Submission: 2024-01-21 15:57:33

HTTP Redirects (python)

Time of First Successful Submission: 2024-01-21 16:00:00

HTTP Cookies (curl)

Time of First Successful Submission: 2024-01-21 16:01:01

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-01-21 16:01:43

HTTP Cookies (python)

Time of First Successful Submission: 2024-01-21 16:03:21

Server State (python)

Time of First Successful Submission: 2024-01-21 16:07:15

Listening Web

Time of First Successful Submission: 2025-04-14 11:03:35

Speaking Redirects

Time of First Successful Submission: 2025-04-14 11:11:46

JavaScript Redirects

Time of First Successful Submission: 2025-04-14 11:18:07

Including JavaScript

Time of First Successful Submission: 2025-04-14 11:34:21

HTTP (javascript)

Time of First Successful Submission: 2025-04-14 13:50:21

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-04-14 13:54:26

HTTP Forms (javascript)

Time of First Successful Submission: 2025-04-14 13:59:28

cat

Time of First Successful Submission: 2024-01-11 06:28:50

more

Time of First Successful Submission: 2024-01-11 06:29:40

less

Time of First Successful Submission: 2024-01-11 06:30:24

tail

Time of First Successful Submission: 2024-01-11 06:31:18

head

Time of First Successful Submission: 2024-01-11 06:37:30

sort

Time of First Successful Submission: 2024-01-11 06:45:17

vim

Time of First Successful Submission: 2024-01-11 06:46:00

emacs

Time of First Successful Submission: 2024-01-11 06:46:41

nano

Time of First Successful Submission: 2024-01-11 06:47:16

rev

Time of First Successful Submission: 2024-01-11 06:48:45

od

Time of First Successful Submission: 2024-01-11 21:14:14

hd

Time of First Successful Submission: 2024-01-11 21:17:36

xxd

Time of First Successful Submission: 2024-01-11 21:19:38

base32

Time of First Successful Submission: 2024-01-11 21:20:40

base64

Time of First Successful Submission: 2024-01-11 21:21:25

split

Time of First Successful Submission: 2024-01-11 21:24:34

gzip

Time of First Successful Submission: 2024-01-11 21:26:49

bzip2

Time of First Successful Submission: 2024-01-11 21:36:58

zip

Time of First Successful Submission: 2024-01-11 21:44:37

tar

Time of First Successful Submission: 2024-01-11 21:53:22

ar

Time of First Successful Submission: 2024-01-11 21:58:10

cpio

Time of First Successful Submission: 2024-01-11 22:04:34

genisoimage

Time of First Successful Submission: 2024-01-12 16:08:50

env

Time of First Successful Submission: 2024-01-12 16:10:36

find

Time of First Successful Submission: 2024-01-12 16:13:23

make

Time of First Successful Submission: 2024-01-12 16:22:56

nice

Time of First Successful Submission: 2024-01-12 16:23:48

timeout

Time of First Successful Submission: 2024-01-12 16:24:47

stdbuf

Time of First Successful Submission: 2024-01-12 16:26:34

setarch

Time of First Successful Submission: 2024-01-12 16:28:43

watch

Time of First Successful Submission: 2024-01-12 16:30:28

socat

Time of First Successful Submission: 2024-01-12 16:53:26

whiptail

Time of First Successful Submission: 2024-01-12 16:58:06

awk

Time of First Successful Submission: 2024-01-12 16:59:06

sed

Time of First Successful Submission: 2024-01-12 17:01:18

ed

Time of First Successful Submission: 2024-01-12 17:04:45

chown

Time of First Successful Submission: 2024-01-12 17:05:34

chmod

Time of First Successful Submission: 2024-01-12 17:06:12

cp

Time of First Successful Submission: 2024-01-12 17:10:48

mv

Time of First Successful Submission: 2024-01-12 17:36:53

perl

Time of First Successful Submission: 2024-01-12 17:41:09

python

Time of First Successful Submission: 2024-01-12 17:42:24

ruby

Time of First Successful Submission: 2024-01-12 20:10:57

bash

Time of First Successful Submission: 2024-01-12 21:12:51

date

Time of First Successful Submission: 2024-01-12 21:14:20

dmesg

Time of First Successful Submission: 2024-01-12 21:15:53

wc

Time of First Successful Submission: 2024-01-12 21:17:56

gcc

Time of First Successful Submission: 2024-01-12 21:24:55

as

Time of First Successful Submission: 2024-01-12 21:29:57

wget

Time of First Successful Submission: 2024-01-12 21:53:48

ssh-keygen

Time of First Successful Submission: 2024-01-12 22:55:28

SQL Queries

Time of First Successful Submission: 2025-04-14 14:16:59

Filtering SQL

Time of First Successful Submission: 2025-04-14 14:19:25

Choosing Columns

Time of First Successful Submission: 2025-04-14 14:21:49

Exclusionary Filtering

Time of First Successful Submission: 2025-04-14 14:23:32

Filtering Strings

Time of First Successful Submission: 2025-04-14 14:25:32

Filtering on Expressions

Time of First Successful Submission: 2025-04-14 14:28:26

SELECTing Expressions

Time of First Successful Submission: 2025-04-14 14:51:22

Composite Conditions

Time of First Successful Submission: 2025-04-14 14:54:07

Reaching Your LIMITs

Time of First Successful Submission: 2025-04-14 14:55:59

Querying Metadata

Time of First Successful Submission: 2025-04-14 14:57:35


CybHer Dojo

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Using the Terminal

Time of First Successful Submission: 2025-10-04 09:58:40

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-09 21:31:59

Using the GUI Desktop

Time of First Successful Submission: 2024-01-09 21:33:54

Pasting into the Desktop

Time of First Successful Submission: 2024-01-09 21:35:22

Restarting Challenges

Time of First Successful Submission: 2024-11-18 14:15:51

Getting Help

Time of First Successful Submission: 2024-11-18 14:17:24

Challenge Programs

Time of First Successful Submission: 2024-11-18 14:17:59

The Flag File

Time of First Successful Submission: 2024-01-09 21:36:33

Using Privileged Mode

Time of First Successful Submission: 2024-01-09 21:38:47

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-09 21:40:20

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-09 21:41:14


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2025-10-04 09:58:40

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-09 21:31:59

Using the GUI Desktop

Time of First Successful Submission: 2024-01-09 21:33:54

Pasting into the Desktop

Time of First Successful Submission: 2024-01-09 21:35:22

Restarting Challenges

Time of First Successful Submission: 2024-11-18 14:15:51

Getting Help

Time of First Successful Submission: 2024-11-18 14:17:24

Challenge Programs

Time of First Successful Submission: 2024-11-18 14:17:59

The Flag File

Time of First Successful Submission: 2024-01-09 21:36:33

Using Privileged Mode

Time of First Successful Submission: 2024-01-09 21:38:47

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-09 21:40:20

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-09 21:41:14