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158 / 201 435 / 16696

level1

Time of First Successful Submission: 2024-12-09 23:45:01

level2

Time of First Successful Submission: 2025-04-11 18:57:09

level3

Time of First Successful Submission: 2025-04-11 18:58:01

level4

Time of First Successful Submission: 2025-04-11 18:58:49

level5

Time of First Successful Submission: 2025-04-11 19:01:55

level6

Time of First Successful Submission: 2025-04-11 19:04:40

level7

Time of First Successful Submission: 2025-04-11 19:07:05

level8

Time of First Successful Submission: 2025-04-11 19:10:43

level9

Time of First Successful Submission: 2025-04-11 19:11:40

level10

Time of First Successful Submission: 2025-04-11 19:13:37

level11

Time of First Successful Submission: 2025-04-11 19:14:26

level12

Time of First Successful Submission: 2025-04-11 19:15:55

level13

Time of First Successful Submission: 2025-04-11 19:16:41

level14

Time of First Successful Submission: 2025-04-11 19:17:48

level15

Time of First Successful Submission: 2025-04-11 19:34:33

level16

Time of First Successful Submission: 2025-04-11 20:50:40

level17

Time of First Successful Submission: 2025-04-11 20:52:30

level18

Time of First Successful Submission: 2025-04-11 20:55:43

level19

Time of First Successful Submission: 2025-04-11 21:05:11

level20

Time of First Successful Submission: 2025-04-11 21:10:55

level21

Time of First Successful Submission: 2025-04-11 21:11:46

level22

Time of First Successful Submission: 2025-04-11 21:13:09

level23

Time of First Successful Submission: 2025-04-11 21:15:15

level24

Time of First Successful Submission: 2025-04-12 09:09:02

level25

Time of First Successful Submission: 2025-04-12 09:11:19

level26

Time of First Successful Submission: 2025-04-12 09:19:36

level27

Time of First Successful Submission: 2025-04-12 09:28:42

level28

Time of First Successful Submission: 2025-04-12 09:34:22

level29

Time of First Successful Submission: 2025-04-12 09:56:50

level30

Time of First Successful Submission: 2025-04-12 10:04:43

level31

Time of First Successful Submission: 2025-04-12 10:07:02

level32

Time of First Successful Submission: 2025-04-12 10:15:59

level33

Time of First Successful Submission: 2025-04-12 10:41:25

level34

Time of First Successful Submission: 2025-04-12 10:50:45

level35

Time of First Successful Submission: 2025-04-12 10:51:55

level36

Time of First Successful Submission: 2025-04-12 10:56:33

level37

Time of First Successful Submission: 2025-04-12 10:59:50

level38

Time of First Successful Submission: 2025-04-12 16:48:19

level39

Time of First Successful Submission: 2025-04-12 16:49:21

level40

Time of First Successful Submission: 2025-04-12 17:03:44

level41

Time of First Successful Submission: 2025-04-12 17:06:43

level42

Time of First Successful Submission: 2025-04-12 17:12:57

level43

Time of First Successful Submission: 2025-04-12 17:13:43

level44

Time of First Successful Submission: 2025-04-12 17:14:37

level45

Time of First Successful Submission: 2025-04-12 17:15:15

level46

Time of First Successful Submission: 2025-04-12 17:16:09

level47

Time of First Successful Submission: 2025-04-12 22:53:54

level48

Time of First Successful Submission: 2025-04-13 13:57:35

level49

Time of First Successful Submission: 2025-04-13 15:11:20

level50

Time of First Successful Submission: 2025-04-13 15:13:46

level51

Time of First Successful Submission: 2025-04-13 15:21:54

level52

Time of First Successful Submission: 2025-04-13 16:05:46

level53

Time of First Successful Submission: 2025-04-13 16:54:11

level54

Time of First Successful Submission: 2025-04-13 16:58:10

level55

Time of First Successful Submission: 2025-04-13 16:58:41

level56

Time of First Successful Submission: 2025-04-13 17:09:28

level57

Time of First Successful Submission: 2025-04-13 17:10:08

level58

Time of First Successful Submission: 2025-04-13 17:11:29

level59

Time of First Successful Submission: 2025-04-13 17:20:46

level60

Time of First Successful Submission: 2025-04-13 17:48:18

level61

Time of First Successful Submission: 2025-04-13 19:02:49

level62

Time of First Successful Submission: 2025-04-13 19:03:54

level63

Time of First Successful Submission: 2025-04-13 19:04:48

level64

Time of First Successful Submission: 2025-04-13 19:27:46

level65

Time of First Successful Submission: 2025-04-13 19:31:59

level66

Time of First Successful Submission: 2025-04-14 08:28:50

level67

Time of First Successful Submission: 2025-04-14 08:30:12

level68

Time of First Successful Submission: 2025-04-14 08:43:32

level70

Time of First Successful Submission: 2025-04-14 09:59:17

level71

Time of First Successful Submission: 2025-04-14 10:01:55

level72

Time of First Successful Submission: 2025-04-14 10:46:58

level73

Time of First Successful Submission: 2025-04-14 12:46:04

level74

Time of First Successful Submission: 2025-04-14 15:56:07

level76

Time of First Successful Submission: 2025-04-14 17:57:43

level77

Time of First Successful Submission: 2025-04-14 17:58:53

level78

Time of First Successful Submission: 2025-04-14 18:03:57

level79

Time of First Successful Submission: 2025-04-14 19:40:47

level80

Time of First Successful Submission: 2025-04-14 19:54:38

level82

Time of First Successful Submission: 2025-04-14 20:17:20

level83

Time of First Successful Submission: 2025-04-14 20:19:06

level84

Time of First Successful Submission: 2025-04-14 20:26:50

level85

Time of First Successful Submission: 2025-04-14 20:37:32

level86

Time of First Successful Submission: 2025-04-14 21:02:16

level87

Time of First Successful Submission: 2025-04-14 21:16:28

level88

Time of First Successful Submission: 2025-04-14 21:23:16

level89

Time of First Successful Submission: 2025-04-14 21:41:46

level90

Time of First Successful Submission: 2025-04-14 21:46:04

level91

Time of First Successful Submission: 2025-04-14 21:56:18

level92

Time of First Successful Submission: 2025-04-14 22:01:39

level93

Time of First Successful Submission: 2025-04-15 19:31:07

level94

Time of First Successful Submission: 2025-04-15 20:15:14

level95

Time of First Successful Submission: 2025-04-15 20:40:33

level96

Time of First Successful Submission: 2025-04-15 20:42:46

level97

Time of First Successful Submission: 2025-04-15 20:44:24

level98

Time of First Successful Submission: 2025-04-15 20:47:24

level99

Time of First Successful Submission: 2025-04-15 20:52:32

level100

Time of First Successful Submission: 2025-04-15 20:53:26

level101

Time of First Successful Submission: 2025-04-15 20:58:15

level102

Time of First Successful Submission: 2025-04-15 20:59:49

level103

Time of First Successful Submission: 2025-04-15 21:08:58

level104

Time of First Successful Submission: 2025-04-15 21:12:37

level105

Time of First Successful Submission: 2025-04-16 11:25:12

level106

Time of First Successful Submission: 2025-04-16 11:33:54

level107

Time of First Successful Submission: 2025-04-16 16:01:33

level108

Time of First Successful Submission: 2025-04-16 16:14:34

level109

Time of First Successful Submission: 2025-04-16 16:27:33

level110

Time of First Successful Submission: 2025-04-16 16:28:02

level111

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

level112

Time of First Successful Submission: 2025-04-16 16:30:32

level113

Time of First Successful Submission: 2025-04-16 16:32:15

level114

Time of First Successful Submission: 2025-04-16 16:42:49

level115

Time of First Successful Submission: 2025-04-16 16:47:31

level116

Time of First Successful Submission: 2025-04-16 17:27:07

level117

Time of First Successful Submission: 2025-04-16 17:32:44

level118

Time of First Successful Submission: 2025-04-16 17:44:07

level119

Time of First Successful Submission: 2025-04-16 18:01:00

level120

Time of First Successful Submission: 2025-04-16 18:18:39

level121

Time of First Successful Submission: 2025-04-16 18:18:59

level122

Time of First Successful Submission: 2025-04-16 18:19:19

level123

Time of First Successful Submission: 2025-04-16 18:19:57

level124

Time of First Successful Submission: 2025-04-16 18:20:53

level125

Time of First Successful Submission: 2025-04-16 21:39:37

level126

Time of First Successful Submission: 2025-04-16 21:42:28

level127

Time of First Successful Submission: 2025-04-16 21:58:45

level128

Time of First Successful Submission: 2025-04-16 22:14:58

level129

Time of First Successful Submission: 2025-04-17 09:09:44

level130

Time of First Successful Submission: 2025-04-17 09:13:05

level131

Time of First Successful Submission: 2025-04-17 09:13:37

level132

Time of First Successful Submission: 2025-04-17 09:15:21

level133

Time of First Successful Submission: 2025-04-17 11:21:36

level134

Time of First Successful Submission: 2025-04-17 11:32:16

level135

Time of First Successful Submission: 2025-04-17 11:55:46

level136

Time of First Successful Submission: 2025-04-17 11:59:01

level137

Time of First Successful Submission: 2025-04-17 12:05:53

level138

Time of First Successful Submission: 2025-04-17 12:08:39

level139

Time of First Successful Submission: 2025-04-17 12:57:03

level140

Time of First Successful Submission: 2025-04-17 12:26:50

level141

Time of First Successful Submission: 2025-04-17 12:30:25

level142

Time of First Successful Submission: 2025-04-17 12:33:03

Silenced Shellcode

Time of First Successful Submission: 2025-05-20 20:06:38

Shellcode Shuffle

Time of First Successful Submission: 2025-06-04 10:12:40

Shellcode Shuffle II

Time of First Successful Submission: 2025-06-04 10:27:36

Mmap Mirage (Easy)

Time of First Successful Submission: 2025-07-25 15:54:48

Mmap Mirage (Hard)

Time of First Successful Submission: 2025-07-25 16:01:05

Twisted Text (Easy)

Time of First Successful Submission: 2025-06-05 16:15:26

Twisted Text (Hard)

Time of First Successful Submission: 2025-06-05 16:17:04

Tidy Task (Easy)

Time of First Successful Submission: 2025-06-05 16:21:51

Tidy Task (Hard)

Time of First Successful Submission: 2025-06-05 16:23:33

Logical License (Easy)

Time of First Successful Submission: 2025-06-05 16:29:12

Logical License (Hard)

Time of First Successful Submission: 2025-06-05 16:31:03

Modest Mangler (Easy)

Time of First Successful Submission: 2025-06-26 14:02:38

Modest Mangler (Hard)

Time of First Successful Submission: 2025-06-26 18:44:56

This is Yancode (Easy)

Time of First Successful Submission: 2025-07-02 20:56:17

This is Yancode (Hard)

Time of First Successful Submission: 2025-07-02 20:58:34

Powered by Yancode (Easy)

Time of First Successful Submission: 2025-07-02 21:25:58

Powered by Yancode (Hard)

Time of First Successful Submission: 2025-07-02 21:33:41

Yancode Inside (Easy)

Time of First Successful Submission: 2025-07-03 13:02:08

Yancode Inside (Hard)

Time of First Successful Submission: 2025-07-03 13:05:45

Intro to Programming Languages

15 / 234 963 / 29390

Commands

Time of First Successful Submission: 2024-11-24 21:20:03

Command Arguments

Time of First Successful Submission: 2024-11-24 21:21:09

Command History

Time of First Successful Submission: 2025-06-07 11:40:39

The Root Path

Time of First Successful Submission: 2024-11-24 21:23:43

Absolute Paths

Time of First Successful Submission: 2024-11-24 21:24:41

Changing position

Time of First Successful Submission: 2024-11-24 21:27:02

Changing to an Absolute Path

Time of First Successful Submission: 2024-11-24 21:28:32

Relative Paths

Time of First Successful Submission: 2024-11-25 22:38:35

Cat

Time of First Successful Submission: 2024-11-25 22:44:57

Ls

Time of First Successful Submission: 2024-11-25 22:48:56

Ls All

Time of First Successful Submission: 2024-11-25 22:51:06

Find

Time of First Successful Submission: 2024-11-25 23:00:29

Piping Echo

Time of First Successful Submission: 2024-11-27 10:44:56

Piping Stdout

Time of First Successful Submission: 2024-11-27 10:47:18

Piping Stdin

Time of First Successful Submission: 2024-11-27 19:30:50

Intro to Cybersecurity

183 / 183 25 / 18821

Path Traversal 1

Time of First Successful Submission: 2025-04-18 12:50:20

Path Traversal 2

Time of First Successful Submission: 2025-04-18 13:22:58

CMDi 1

Time of First Successful Submission: 2025-04-18 13:46:36

CMDi 2

Time of First Successful Submission: 2025-04-18 13:49:51

CMDi 3

Time of First Successful Submission: 2025-04-18 13:56:42

CMDi 4

Time of First Successful Submission: 2025-04-18 14:06:29

CMDi 5

Time of First Successful Submission: 2025-04-18 14:13:28

CMDi 6

Time of First Successful Submission: 2025-04-18 14:37:52

Authentication Bypass 1

Time of First Successful Submission: 2025-04-18 17:28:15

Authentication Bypass 2

Time of First Successful Submission: 2025-04-18 17:44:28

SQLi 1

Time of First Successful Submission: 2025-04-18 18:54:55

SQLi 2

Time of First Successful Submission: 2025-04-18 18:59:57

SQLi 3

Time of First Successful Submission: 2025-04-18 19:13:36

SQLi 4

Time of First Successful Submission: 2025-04-18 20:28:42

SQLi 5

Time of First Successful Submission: 2025-04-18 21:11:05

XSS 1

Time of First Successful Submission: 2025-04-18 21:55:20

XSS 2

Time of First Successful Submission: 2025-04-18 22:00:26

XSS 3

Time of First Successful Submission: 2025-04-19 11:10:02

XSS 4

Time of First Successful Submission: 2025-04-19 11:16:05

XSS 5

Time of First Successful Submission: 2025-04-19 11:22:17

XSS 6

Time of First Successful Submission: 2025-04-19 11:32:24

XSS 7

Time of First Successful Submission: 2025-04-19 13:52:11

CSRF 1

Time of First Successful Submission: 2025-04-19 16:08:37

CSRF 2

Time of First Successful Submission: 2025-04-19 16:49:46

CSRF 3

Time of First Successful Submission: 2025-04-19 17:07:02

CSRF 4

Time of First Successful Submission: 2025-04-19 17:13:00

CSRF 5

Time of First Successful Submission: 2025-04-19 19:35:13

Connect

Time of First Successful Submission: 2025-04-20 12:45:27

Send

Time of First Successful Submission: 2025-04-20 12:46:20

Shutdown

Time of First Successful Submission: 2025-04-20 12:49:14

Listen

Time of First Successful Submission: 2025-04-20 12:50:32

Scan 1

Time of First Successful Submission: 2025-04-20 13:01:29

Scan 2

Time of First Successful Submission: 2025-04-20 13:48:03

Monitor 1

Time of First Successful Submission: 2025-04-20 14:22:01

Monitor 2

Time of First Successful Submission: 2025-04-20 15:49:37

Sniffing Cookies

Time of First Successful Submission: 2025-04-20 16:14:36

Network Configuration

Time of First Successful Submission: 2025-04-20 16:37:02

Firewall 1

Time of First Successful Submission: 2025-04-20 16:39:49

Firewall 2

Time of First Successful Submission: 2025-04-20 16:41:53

Firewall 3

Time of First Successful Submission: 2025-04-20 16:44:21

Denial of Service 1

Time of First Successful Submission: 2025-04-20 16:52:26

Denial of Service 2

Time of First Successful Submission: 2025-04-20 16:53:12

Denial of Service 3

Time of First Successful Submission: 2025-04-20 17:26:35

Ethernet

Time of First Successful Submission: 2025-04-20 22:06:53

IP

Time of First Successful Submission: 2025-04-20 22:20:24

TCP

Time of First Successful Submission: 2025-04-20 22:23:37

TCP Handshake

Time of First Successful Submission: 2025-04-20 22:39:09

UDP

Time of First Successful Submission: 2025-04-21 09:10:19

UDP 2

Time of First Successful Submission: 2025-04-21 09:12:19

UDP Spoofing 1

Time of First Successful Submission: 2025-04-21 09:22:27

UDP Spoofing 2

Time of First Successful Submission: 2025-04-21 10:25:13

UDP Spoofing 3

Time of First Successful Submission: 2025-04-21 12:40:52

UDP Spoofing 4

Time of First Successful Submission: 2025-04-21 12:43:31

ARP

Time of First Successful Submission: 2025-04-21 13:42:36

Intercept

Time of First Successful Submission: 2025-04-21 14:23:08

Man-in-the-Middle

Time of First Successful Submission: 2025-04-21 16:21:30

XOR

Time of First Successful Submission: 2025-04-22 14:58:05

XORing Hex

Time of First Successful Submission: 2025-04-22 15:21:26

XORing ASCII

Time of First Successful Submission: 2025-04-22 15:58:12

XORing ASCII Strings

Time of First Successful Submission: 2025-04-22 16:41:29

One-time Pad

Time of First Successful Submission: 2025-04-22 20:54:43

One-time Pad Tampering

Time of First Successful Submission: 2025-05-31 18:15:26

Many-time Pad

Time of First Successful Submission: 2025-04-22 21:05:16

AES

Time of First Successful Submission: 2025-04-22 22:10:08

AES-ECB-CPA

Time of First Successful Submission: 2025-04-22 23:21:55

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-04-23 11:29:11

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-04-23 11:39:09

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-04-23 14:00:03

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-04-23 14:44:29

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-04-23 15:25:55

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-04-23 16:39:32

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-04-23 18:07:02

AES-CBC

Time of First Successful Submission: 2025-04-23 19:14:26

AES-CBC Tampering

Time of First Successful Submission: 2025-04-23 20:48:18

AES-CBC Resizing

Time of First Successful Submission: 2025-04-23 20:55:36

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-04-23 23:26:57

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-04-24 10:43:32

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-04-24 10:46:09

AES-CBC-POA-Encrypt

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

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-08-22 12:37:38

DHKE

Time of First Successful Submission: 2025-04-24 12:53:26

DHKE-to-AES

Time of First Successful Submission: 2025-04-24 13:13:51

RSA 1

Time of First Successful Submission: 2025-04-24 17:08:36

RSA 2

Time of First Successful Submission: 2025-04-24 17:17:12

RSA 3

Time of First Successful Submission: 2025-04-24 19:52:52

RSA 4

Time of First Successful Submission: 2025-04-24 20:19:55

RSA Signatures

Time of First Successful Submission: 2025-04-24 17:37:05

SHA 1

Time of First Successful Submission: 2025-04-24 17:57:31

SHA 2

Time of First Successful Submission: 2025-04-24 19:31:45

TLS 1

Time of First Successful Submission: 2025-04-24 22:08:00

TLS 2

Time of First Successful Submission: 2025-04-25 13:57:00

level1

Time of First Successful Submission: 2025-04-26 16:32:02

level2

Time of First Successful Submission: 2025-04-26 16:33:50

level3

Time of First Successful Submission: 2025-04-26 16:34:27

level4

Time of First Successful Submission: 2025-04-26 16:35:44

level5

Time of First Successful Submission: 2025-04-26 16:39:45

level6

Time of First Successful Submission: 2025-04-26 16:47:25

level7

Time of First Successful Submission: 2025-04-26 16:52:31

level8

Time of First Successful Submission: 2025-04-26 16:53:26

level9

Time of First Successful Submission: 2025-04-26 16:54:00

level10

Time of First Successful Submission: 2025-04-26 16:55:07

level11

Time of First Successful Submission: 2025-04-26 16:57:14

level12

Time of First Successful Submission: 2025-04-26 16:58:59

level13

Time of First Successful Submission: 2025-04-26 16:59:42

level14

Time of First Successful Submission: 2025-04-26 17:00:28

level15

Time of First Successful Submission: 2025-04-26 17:01:07

level16

Time of First Successful Submission: 2025-04-26 17:02:21

level17

Time of First Successful Submission: 2025-04-26 17:13:40

level18

Time of First Successful Submission: 2025-04-26 17:14:01

level19

Time of First Successful Submission: 2025-04-26 17:19:20

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-04-27 10:45:19

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-04-27 11:05:59

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-04-27 11:18:41

Reading Endianness (Python)

Time of First Successful Submission: 2025-04-27 11:30:00

Reading Endianness (C)

Time of First Successful Submission: 2025-04-27 11:37:47

Reading Endianness (x86)

Time of First Successful Submission: 2025-04-27 13:04:52

Version Information (Python)

Time of First Successful Submission: 2025-04-27 13:25:07

Version Information (C)

Time of First Successful Submission: 2025-04-27 13:57:20

Version Information (x86)

Time of First Successful Submission: 2025-04-27 14:05:04

Metadata and Data (Python)

Time of First Successful Submission: 2025-04-27 14:15:52

Metadata and Data (C)

Time of First Successful Submission: 2025-04-27 15:13:58

Metadata and Data (x86)

Time of First Successful Submission: 2025-04-27 15:22:51

Input Restrictions (Python)

Time of First Successful Submission: 2025-04-27 15:27:41

Input Restrictions (C)

Time of First Successful Submission: 2025-04-27 15:29:20

Input Restrictions (x86)

Time of First Successful Submission: 2025-04-27 15:37:30

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-04-27 15:45:54

Behold the cIMG! (C)

Time of First Successful Submission: 2025-04-27 15:47:43

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-04-27 15:54:46

A Basic cIMG (Python)

Time of First Successful Submission: 2025-04-27 16:30:01

A Basic cIMG (C)

Time of First Successful Submission: 2025-04-27 16:32:53

A Basic cIMG (x86)

Time of First Successful Submission: 2025-04-27 16:43:50

Internal State Mini (C)

Time of First Successful Submission: 2025-04-27 16:58:41

Internal State Mini (x86)

Time of First Successful Submission: 2025-04-27 22:11:43

Internal State (C)

Time of First Successful Submission: 2025-04-27 23:00:02

Internal State (x86)

Time of First Successful Submission: 2025-04-28 11:15:38

File Formats: Directives (C)

Time of First Successful Submission: 2025-04-28 11:38:31

File Formats: Directives (x86)

Time of First Successful Submission: 2025-04-28 11:45:53

The Patch Directive

Time of First Successful Submission: 2025-04-28 18:54:31

Optimizing for Space

Time of First Successful Submission: 2025-04-28 20:00:03

Tweaking Images

Time of First Successful Submission: 2025-04-28 23:23:27

Storage and Retrieval

Time of First Successful Submission: 2025-04-29 13:17:37

Extracting Knowledge

Time of First Successful Submission: 2025-04-29 18:54:56

Advanced Sprites

Time of First Successful Submission: 2025-05-01 13:41:34

Accessing Resources

Time of First Successful Submission: 2025-05-02 13:06:02

Unsafe Animations

Time of First Successful Submission: 2025-05-02 14:03:23

Animations

Time of First Successful Submission: 2025-05-02 22:36:22

Interoperability: Patching Data

Time of First Successful Submission: 2025-05-03 11:15:52

Patching Code

Time of First Successful Submission: 2025-05-03 13:03:33

Patching Control Flow

Time of First Successful Submission: 2025-05-03 13:11:17

Your First Overflow (easy)

Time of First Successful Submission: 2025-05-05 16:47:59

Your First Overflow (hard)

Time of First Successful Submission: 2025-05-05 16:50:27

Precision (easy)

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

Precision (hard)

Time of First Successful Submission: 2025-05-05 17:25:37

Variable Control (easy)

Time of First Successful Submission: 2025-05-05 21:39:32

Variable Control (hard)

Time of First Successful Submission: 2025-05-05 21:44:24

Control Hijack (easy)

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

Control Hijack (hard)

Time of First Successful Submission: 2025-05-06 10:44:10

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-05-06 11:20:09

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-05-06 12:16:46

PIEs (easy)

Time of First Successful Submission: 2025-05-06 13:25:14

PIEs (hard)

Time of First Successful Submission: 2025-05-06 13:39:50

String Lengths (easy)

Time of First Successful Submission: 2025-05-06 13:50:14

String Lengths (hard)

Time of First Successful Submission: 2025-05-06 13:54:04

Basic Shellcode

Time of First Successful Submission: 2025-05-06 15:11:37

NOP Sleds

Time of First Successful Submission: 2025-05-06 15:25:55

NULL-Free Shellcode

Time of First Successful Submission: 2025-05-06 16:05:30

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-05-06 17:05:47

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-05-06 17:09:51

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-05-06 17:20:19

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-05-06 18:06:12

ECB-to-Win (easy)

Time of First Successful Submission: 2025-05-06 20:40:27

ECB-to-Win (hard)

Time of First Successful Submission: 2025-05-06 20:51:46

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-05-06 22:46:57

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-05-07 15:25:23

CIMG Screenshots

Time of First Successful Submission: 2025-05-08 11:08:46

CIMG Screenshots 2

Time of First Successful Submission: 2025-05-08 14:02:04

Wily Webserver

Time of First Successful Submission: 2025-05-08 22:50:30

The Watering Hole

Time of First Successful Submission: 2025-05-09 17:29:21

Secure Chat 1

Time of First Successful Submission: 2025-05-09 22:44:10

Secure Chat 2

Time of First Successful Submission: 2025-05-12 16:56:06

Secure Chat 3

Time of First Successful Submission: 2025-05-17 22:41:04

Secure Chat 4

Time of First Successful Submission: 2025-05-18 21:59:31

Secure Chat 5

Time of First Successful Submission: 2025-05-19 18:02:12

Program Security

120 / 162 490 / 9177

ello ackers!

Time of First Successful Submission: 2025-05-20 14:38:24

Syscall Smuggler

Time of First Successful Submission: 2025-05-20 19:55:46

Syscall Shenanigans

Time of First Successful Submission: 2025-05-20 20:02:28

Byte Budget

Time of First Successful Submission: 2025-05-20 21:41:45

ClobberCode

Time of First Successful Submission: 2025-06-01 13:20:46

Diverse Delivery

Time of First Successful Submission: 2025-06-04 10:15:22

Pocket Payload

Time of First Successful Submission: 2025-06-04 10:04:54

Micro Menace

Time of First Successful Submission: 2025-06-04 10:09:30

Login Leakage (Easy)

Time of First Successful Submission: 2025-08-22 14:29:13

Login Leakage (Hard)

Time of First Successful Submission: 2025-08-22 14:51:17

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-07-21 20:14:33

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-07-21 20:28:29

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-07-23 18:40:47

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-07-24 15:38:12

Pointer Problems (Easy)

Time of First Successful Submission: 2025-08-22 15:16:42

Pointer Problems (Hard)

Time of First Successful Submission: 2025-08-24 12:27:41

Anomalous Array (Easy)

Time of First Successful Submission: 2025-08-24 17:14:45

Anomalous Array (Hard)

Time of First Successful Submission: 2025-08-24 17:17:29

Now you got it (Easy)

Time of First Successful Submission: 2025-08-31 16:59:05

Now you got it (Hard)

Time of First Successful Submission: 2025-09-01 00:10:21

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-07-24 18:20:03

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-07-24 18:39:21

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-07-24 22:04:00

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-07-25 12:50:11

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-07-25 18:05:32

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-07-25 19:40:00

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-07-25 20:23:37

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-07-25 20:35:11

Latent Leak (Easy)

Time of First Successful Submission: 2025-07-25 21:02:46

Latent Leak (Hard)

Time of First Successful Submission: 2025-07-25 21:51:11

Fork Foolery (Easy)

Time of First Successful Submission: 2025-07-26 20:59:05

Fork Foolery (Hard)

Time of First Successful Submission: 2025-07-26 21:11:41

Terrible Token (Easy)

Time of First Successful Submission: 2025-06-05 15:56:45

Terrible Token (Hard)

Time of First Successful Submission: 2025-06-05 15:59:22

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-06-05 16:07:30

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-06-05 16:09:25

Meager Mangler (Easy)

Time of First Successful Submission: 2025-06-18 21:02:51

Meager Mangler (Hard)

Time of First Successful Submission: 2025-06-18 22:09:31

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-06-26 22:04:38

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-06-26 22:24:58

Patched Up (Easy)

Time of First Successful Submission: 2025-06-28 22:54:06

Patched Up (Hard)

Time of First Successful Submission: 2025-06-29 22:11:00

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-06-30 13:44:57

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-07-01 16:10:34

Patch Perfect (Easy)

Time of First Successful Submission: 2025-07-01 16:22:03

Patch Perfect (Hard)

Time of First Successful Submission: 2025-07-01 16:25:48

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-07-03 18:03:12

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-07-03 18:28:51

Know the Yancode (Easy)

Time of First Successful Submission: 2025-07-03 18:36:38

Know the Yancode (Hard)

Time of First Successful Submission: 2025-07-03 18:40:42

Master the Yancode (Easy)

Time of First Successful Submission: 2025-07-03 18:48:42

Master the Yancode (Hard)

Time of First Successful Submission: 2025-07-03 19:06:01

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-07-03 20:59:53

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-07-03 21:10:16

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-07-03 22:05:44

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-07-04 14:30:18

The Yangler (Easy)

Time of First Successful Submission: 2025-07-04 15:58:00

The Yangler (Hard)

Time of First Successful Submission: 2025-07-04 16:07:34

Yancraft (Easy)

Time of First Successful Submission: 2025-07-04 18:05:24

Yancraft (Hard)

Time of First Successful Submission: 2025-07-04 19:18:37

Yansanity (Easy)

Time of First Successful Submission: 2025-07-05 17:45:53

Yansanity (Hard)

Time of First Successful Submission: 2025-07-21 17:49:28

Loose Link (Easy)

Time of First Successful Submission: 2025-07-28 18:00:34

Loose Link (Hard)

Time of First Successful Submission: 2025-07-28 18:09:08

Call Chain (Easy)

Time of First Successful Submission: 2025-07-28 20:26:48

Call Chain (Hard)

Time of First Successful Submission: 2025-07-28 20:30:05

Chain of Command (Easy)

Time of First Successful Submission: 2025-07-30 18:37:49

Chain of Command (Hard)

Time of First Successful Submission: 2025-07-30 18:51:03

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-08-01 19:59:39

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-07-30 21:47:36

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-07-30 22:08:40

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-07-30 22:12:16

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-07-31 18:26:33

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-07-31 18:29:14

Leaky Libc (Easy)

Time of First Successful Submission: 2025-07-31 20:06:00

Leaky Libc (Hard)

Time of First Successful Submission: 2025-07-31 20:14:38

Putsception (Easy)

Time of First Successful Submission: 2025-08-01 15:57:44

Putsception (Hard)

Time of First Successful Submission: 2025-08-01 19:58:54

Pivotal Prelude (Easy)

Time of First Successful Submission: 2025-08-01 21:01:00

Pivotal Prelude (Hard)

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

Pivotal Pointer (Easy)

Time of First Successful Submission: 2025-08-02 14:33:26

Pivotal Pointer (Hard)

Time of First Successful Submission: 2025-08-02 15:37:09

Pivotal Payload (Easy)

Time of First Successful Submission: 2025-08-02 16:56:13

Pivotal Payload (Hard)

Time of First Successful Submission: 2025-08-02 17:00:42

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2025-08-02 19:01:44

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2025-08-02 19:14:17

Guarded Gadgets (Easy)

Time of First Successful Submission: 2025-08-03 10:15:34

Guarded Gadgets (Hard)

Time of First Successful Submission: 2025-08-03 10:22:34

ROP Roulette (Easy)

Time of First Successful Submission: 2025-08-03 15:58:26

ROP Roulette (Hard)

Time of First Successful Submission: 2025-08-03 16:03:55

Libc Lottery (Easy)

Time of First Successful Submission: 2025-08-03 20:18:15

Libc Lottery (Hard)

Time of First Successful Submission: 2025-08-03 20:21:44

Freebie (Easy)

Time of First Successful Submission: 2025-08-07 22:40:21

Freebie (Hard)

Time of First Successful Submission: 2025-08-07 22:44:55

Freebin Feint (Easy)

Time of First Successful Submission: 2025-08-08 14:04:13

Freebin Feint (Hard)

Time of First Successful Submission: 2025-08-08 14:04:50

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-08-08 14:09:48

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-08-08 14:13:49

Fickle Free (Easy)

Time of First Successful Submission: 2025-08-09 22:29:01

Fickle Free (Hard)

Time of First Successful Submission: 2025-08-10 10:00:48

Malloc Mirage (Easy)

Time of First Successful Submission: 2025-08-10 14:57:58

Malloc Mirage (Hard)

Time of First Successful Submission: 2025-08-10 15:36:27

Seeking Secrets (Easy)

Time of First Successful Submission: 2025-08-10 15:50:39

Seeking Secrets (Hard)

Time of First Successful Submission: 2025-08-10 22:45:42

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2025-08-11 08:52:46

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2025-08-11 08:59:25

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2025-08-11 09:04:17

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2025-08-11 09:13:16

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2025-08-12 22:15:34

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2025-08-12 22:18:31

Sus Sequence (Easy)

Time of First Successful Submission: 2025-08-13 22:08:56

Sus Sequence (Hard)

Time of First Successful Submission: 2025-08-13 22:16:27

Echo Emanations (Easy)

Time of First Successful Submission: 2025-08-16 17:11:20

Echo Emanations (Hard)

Time of First Successful Submission: 2025-08-16 17:44:23

Stack Spoofing (Easy)

Time of First Successful Submission: 2025-08-17 11:38:13

Stack Spoofing (Hard)

Time of First Successful Submission: 2025-08-17 11:58:31

Stack Summoning (Easy)

Time of First Successful Submission: 2025-08-17 17:33:04

Stack Summoning (Hard)

Time of First Successful Submission: 2025-08-17 18:02:42

Enterprising Echo (Easy)

Time of First Successful Submission: 2025-08-18 10:54:49

Enterprising Echo (Hard)

Time of First Successful Submission: 2025-08-19 22:42:01

Start Here

11 / 12 1241 / 39867

Using the Terminal

Time of First Successful Submission: 2025-08-05 09:23:06

Using the VSCode Workspace

Time of First Successful Submission: 2024-11-24 11:21:13

Using the GUI Desktop

Time of First Successful Submission: 2024-11-24 11:24:50

Pasting into the Desktop

Time of First Successful Submission: 2024-11-24 11:26:01

Restarting Challenges

Time of First Successful Submission: 2024-11-24 11:27:09

Challenge Programs

Time of First Successful Submission: 2024-11-24 11:32:49

The Flag File

Time of First Successful Submission: 2024-11-24 11:36:07

Using Privileged Mode

Time of First Successful Submission: 2024-11-24 20:29:36

Persistent Home Directories - One

Time of First Successful Submission: 2024-11-24 20:36:17

Persistent Home Directories - Two

Time of First Successful Submission: 2024-11-24 20:36:48

Linux Luminarium

126 / 128 2116 / 29745

Intro to Commands

Time of First Successful Submission: 2024-11-24 21:20:03

Intro to Arguments

Time of First Successful Submission: 2024-11-24 21:21:09

Command History

Time of First Successful Submission: 2025-06-07 11:40:39

The Root

Time of First Successful Submission: 2024-11-24 21:23:43

Program and absolute paths

Time of First Successful Submission: 2024-11-24 21:24:41

Position thy self

Time of First Successful Submission: 2024-11-24 21:27:02

Position elsewhere

Time of First Successful Submission: 2024-11-24 21:28:32

implicit relative paths, from /

Time of First Successful Submission: 2024-11-25 22:38:35

explicit relative paths, from /

Time of First Successful Submission: 2024-11-25 22:39:56

implicit relative path

Time of First Successful Submission: 2024-11-25 22:41:55

home sweet home

Time of First Successful Submission: 2024-11-25 22:43:35

cat: not the pet, but the command!

Time of First Successful Submission: 2024-11-25 22:44:57

catting absolute paths

Time of First Successful Submission: 2024-11-25 22:45:32

more catting practice

Time of First Successful Submission: 2024-11-25 22:47:27

grepping for a needle in a haystack

Time of First Successful Submission: 2024-11-25 22:48:15

comparing files

Time of First Successful Submission: 2025-07-26 21:13:38

listing files

Time of First Successful Submission: 2024-11-25 22:48:56

touching files

Time of First Successful Submission: 2024-11-25 22:49:36

removing files

Time of First Successful Submission: 2024-11-25 22:50:28

moving files

Time of First Successful Submission: 2025-06-05 15:42:49

hidden files

Time of First Successful Submission: 2024-11-25 22:51:06

An Epic Filesystem Quest

Time of First Successful Submission: 2024-11-25 22:54:05

making directories

Time of First Successful Submission: 2024-11-25 22:55:37

finding files

Time of First Successful Submission: 2024-11-25 23:00:29

linking files

Time of First Successful Submission: 2024-11-25 23:03:14

Learning From Documentation

Time of First Successful Submission: 2024-11-25 23:05:47

Learning Complex Usage

Time of First Successful Submission: 2024-11-25 23:07:19

Reading Manuals

Time of First Successful Submission: 2024-11-25 23:10:24

Searching Manuals

Time of First Successful Submission: 2024-11-25 23:11:17

Searching For Manuals

Time of First Successful Submission: 2024-11-25 23:17:38

Helpful Programs

Time of First Successful Submission: 2024-11-25 23:18:33

Help for Builtins

Time of First Successful Submission: 2024-11-25 23:19:47

Matching with *

Time of First Successful Submission: 2024-11-26 22:11:48

Matching with ?

Time of First Successful Submission: 2024-11-26 22:12:40

Matching with []

Time of First Successful Submission: 2024-11-26 22:14:06

Matching paths with []

Time of First Successful Submission: 2024-11-26 22:15:13

Multiple globs

Time of First Successful Submission: 2025-05-31 17:55:11

Mixing globs

Time of First Successful Submission: 2024-11-26 22:18:58

Exclusionary globbing

Time of First Successful Submission: 2024-11-26 22:37:18

Tab completion

Time of First Successful Submission: 2025-06-17 21:37:08

Multiple options for tab completion

Time of First Successful Submission: 2025-06-17 21:47:31

Tab completion on commands

Time of First Successful Submission: 2025-06-17 22:08:26

Redirecting output

Time of First Successful Submission: 2024-11-27 10:44:56

Redirecting more output

Time of First Successful Submission: 2024-11-27 10:47:18

Appending output

Time of First Successful Submission: 2024-11-27 10:49:21

Redirecting errors

Time of First Successful Submission: 2024-11-27 19:28:50

Redirecting input

Time of First Successful Submission: 2024-11-27 19:30:50

Grepping stored results

Time of First Successful Submission: 2024-11-27 19:34:02

Grepping live output

Time of First Successful Submission: 2024-11-27 19:35:14

Grepping errors

Time of First Successful Submission: 2024-11-27 19:36:38

Filtering with grep -v

Time of First Successful Submission: 2025-06-05 15:43:50

Duplicating piped data with tee

Time of First Successful Submission: 2024-11-27 19:52:03

Process substitution for input

Time of First Successful Submission: 2025-07-26 21:17:08

Writing to multiple programs

Time of First Successful Submission: 2024-11-27 20:45:48

Split-piping stderr and stdout

Time of First Successful Submission: 2024-11-27 22:41:01

Named pipes

Time of First Successful Submission: 2025-07-26 21:22:09

Printing Variables

Time of First Successful Submission: 2024-11-28 13:17:29

Setting Variables

Time of First Successful Submission: 2024-11-28 13:19:27

Multi-word Variables

Time of First Successful Submission: 2024-11-28 13:24:03

Exporting Variables

Time of First Successful Submission: 2024-11-28 13:27:28

Printing Exported Variables

Time of First Successful Submission: 2024-11-28 13:29:38

Storing Command Output

Time of First Successful Submission: 2024-11-28 13:36:23

Reading Input

Time of First Successful Submission: 2024-11-28 14:25:37

Reading Files

Time of First Successful Submission: 2024-11-28 14:28:05

Translating characters

Time of First Successful Submission: 2025-06-05 15:45:46

Deleting characters

Time of First Successful Submission: 2025-06-05 15:46:34

Deleting newlines

Time of First Successful Submission: 2025-06-05 15:46:54

Extracting the first lines with head

Time of First Successful Submission: 2025-06-05 15:47:20

Extracting specific sections of text

Time of First Successful Submission: 2025-06-05 15:48:57

Sorting data

Time of First Successful Submission: 2025-07-28 10:12:15

Listing Processes

Time of First Successful Submission: 2024-11-28 18:20:31

Killing Processes

Time of First Successful Submission: 2024-11-29 10:44:58

Interrupting Processes

Time of First Successful Submission: 2024-11-29 10:45:33

Killing Misbehaving Processes

Time of First Successful Submission: 2025-07-26 21:27:44

Suspending Processes

Time of First Successful Submission: 2024-11-29 10:46:57

Resuming Processes

Time of First Successful Submission: 2024-11-29 12:47:51

Backgrounding Processes

Time of First Successful Submission: 2024-11-29 13:21:32

Foregrounding Processes

Time of First Successful Submission: 2024-11-29 13:22:42

Starting Backgrounded Processes

Time of First Successful Submission: 2024-11-29 14:36:36

Process Exit Codes

Time of First Successful Submission: 2024-11-29 14:39:28

Becoming root with su

Time of First Successful Submission: 2024-11-29 17:19:59

Other users with su

Time of First Successful Submission: 2024-11-29 17:26:26

Cracking passwords

Time of First Successful Submission: 2024-11-29 18:09:56

Using sudo

Time of First Successful Submission: 2024-11-29 18:12:28

Changing File Ownership

Time of First Successful Submission: 2024-11-29 15:04:43

Groups and Files

Time of First Successful Submission: 2024-11-29 15:10:04

Fun With Groups Names

Time of First Successful Submission: 2024-11-29 15:10:53

Changing Permissions

Time of First Successful Submission: 2024-11-29 15:14:58

Executable Files

Time of First Successful Submission: 2024-11-29 15:19:05

Permission Tweaking Practice

Time of First Successful Submission: 2024-11-29 16:06:52

Permissions Setting Practice

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

The SUID Bit

Time of First Successful Submission: 2024-11-29 16:19:08

Chaining with Semicolons

Time of First Successful Submission: 2024-11-29 18:31:45

Building on Success

Time of First Successful Submission: 2025-07-28 10:13:15

Handling Failure

Time of First Successful Submission: 2025-07-28 10:14:05

Your First Shell Script

Time of First Successful Submission: 2024-11-29 18:33:49

Redirecting Script Output

Time of First Successful Submission: 2024-11-29 18:37:34

Executable Shell Scripts

Time of First Successful Submission: 2024-11-29 18:39:15

Understanding Shebangs

Time of First Successful Submission: 2025-07-28 10:16:43

Scripting with Arguments

Time of First Successful Submission: 2025-07-26 21:30:37

Scripting with Conditionals

Time of First Successful Submission: 2025-07-28 10:19:00

Scripting with Default Cases

Time of First Successful Submission: 2025-07-28 10:20:07

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-07-28 10:21:39

Reading Shell Scripts

Time of First Successful Submission: 2025-08-25 14:03:14

Launching Screen

Time of First Successful Submission: 2025-07-26 21:32:07

Detaching and Attaching

Time of First Successful Submission: 2025-07-26 21:34:19

Finding Sessions

Time of First Successful Submission: 2025-07-26 21:35:54

Switching Windows

Time of First Successful Submission: 2025-07-26 21:37:40

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-07-26 21:39:00

Switching Windows (tmux)

Time of First Successful Submission: 2025-07-26 21:39:46

The PATH Variable

Time of First Successful Submission: 2024-11-29 18:42:14

Setting PATH

Time of First Successful Submission: 2024-11-29 18:43:28

Finding Commands

Time of First Successful Submission: 2025-06-07 11:43:13

Adding Commands

Time of First Successful Submission: 2024-11-29 18:51:15

Hijacking Commands

Time of First Successful Submission: 2024-11-29 18:58:04

Bashrc Backdoor

Time of First Successful Submission: 2025-06-07 11:45:55

Sniffing Input

Time of First Successful Submission: 2025-06-17 22:23:42

Overshared Directories

Time of First Successful Submission: 2025-06-18 08:58:10

Tricky Linking

Time of First Successful Submission: 2025-06-18 09:03:44

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-18 09:53:10

Snooping on Configurations

Time of First Successful Submission: 2025-06-18 09:55:36

The Fork Bomb

Time of First Successful Submission: 2025-06-18 17:08:17

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-18 17:10:45

rm -rf /

Time of First Successful Submission: 2025-06-18 17:14:44

Life after rm -rf /

Time of First Successful Submission: 2025-06-18 17:19:58

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-18 17:22:45

Computing 101

69 / 69 293 / 19970

Your First Register

Time of First Successful Submission: 2024-11-30 10:55:04

Your First Syscall

Time of First Successful Submission: 2024-11-30 11:29:35

Exit Codes

Time of First Successful Submission: 2024-11-30 11:31:30

Building Executables

Time of First Successful Submission: 2024-11-30 11:40:47

Moving Between Registers

Time of First Successful Submission: 2024-11-30 11:49:23

Tracing Syscalls

Time of First Successful Submission: 2024-11-30 11:44:17

Starting GDB

Time of First Successful Submission: 2025-04-04 12:43:54

Starting Programs in GDB

Time of First Successful Submission: 2025-04-04 12:45:21

Loading From Memory

Time of First Successful Submission: 2024-11-30 19:56:28

More Loading Practice

Time of First Successful Submission: 2024-11-30 20:02:48

Dereferencing Pointers

Time of First Successful Submission: 2024-11-30 21:56:01

Dereferencing Yourself

Time of First Successful Submission: 2024-11-30 21:58:11

Dereferencing with Offsets

Time of First Successful Submission: 2024-11-30 22:10:57

Stored Addresses

Time of First Successful Submission: 2024-11-30 22:13:18

Double Dereference

Time of First Successful Submission: 2024-11-30 22:16:13

Triple Dereference

Time of First Successful Submission: 2024-11-30 22:18:16

Writing Output

Time of First Successful Submission: 2024-12-01 00:04:11

Chaining Syscalls

Time of First Successful Submission: 2024-12-01 00:07:46

Writing Strings

Time of First Successful Submission: 2024-12-01 00:07:11

Reading Data

Time of First Successful Submission: 2025-04-04 13:28:03

set-register

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

set-multiple-registers

Time of First Successful Submission: 2024-12-01 12:57:06

add-to-register

Time of First Successful Submission: 2024-12-01 13:00:53

linear-equation-registers

Time of First Successful Submission: 2024-12-01 13:51:28

integer-division

Time of First Successful Submission: 2024-12-01 14:14:45

modulo-operation

Time of First Successful Submission: 2024-12-01 14:22:35

set-upper-byte

Time of First Successful Submission: 2024-12-01 14:27:08

efficient-modulo

Time of First Successful Submission: 2024-12-01 17:13:03

byte-extraction

Time of First Successful Submission: 2024-12-01 17:27:24

bitwise-and

Time of First Successful Submission: 2024-12-01 17:41:14

check-even

Time of First Successful Submission: 2024-12-01 17:55:43

memory-read

Time of First Successful Submission: 2024-12-01 18:26:04

memory-write

Time of First Successful Submission: 2024-12-01 18:28:15

memory-increment

Time of First Successful Submission: 2024-12-01 18:35:11

byte-access

Time of First Successful Submission: 2024-12-01 18:44:03

memory-size-access

Time of First Successful Submission: 2024-12-01 22:28:57

little-endian-write

Time of First Successful Submission: 2024-12-01 22:36:02

memory-sum

Time of First Successful Submission: 2024-12-01 22:41:54

stack-subtraction

Time of First Successful Submission: 2024-12-02 14:47:46

swap-stack-values

Time of First Successful Submission: 2024-12-02 14:54:31

average-stack-values

Time of First Successful Submission: 2024-12-02 15:09:48

absolute-jump

Time of First Successful Submission: 2024-12-02 15:31:19

relative-jump

Time of First Successful Submission: 2024-12-02 15:46:36

jump-trampoline

Time of First Successful Submission: 2024-12-02 15:49:55

conditional-jump

Time of First Successful Submission: 2024-12-02 16:21:16

indirect-jump

Time of First Successful Submission: 2024-12-02 17:02:08

average-loop

Time of First Successful Submission: 2024-12-02 19:29:51

count-non-zero

Time of First Successful Submission: 2024-12-03 09:18:59

string-lower

Time of First Successful Submission: 2024-12-03 13:15:46

most-common-byte

Time of First Successful Submission: 2024-12-03 21:15:52

Debugging Programs

Time of First Successful Submission: 2024-12-04 12:04:42

Inspecting Registers

Time of First Successful Submission: 2024-12-04 13:57:09

Examining Memory

Time of First Successful Submission: 2024-12-04 15:01:28

Setting Breakpoints

Time of First Successful Submission: 2024-12-04 17:48:39

GDB Scripting

Time of First Successful Submission: 2024-12-04 18:17:38

Modifying Data

Time of First Successful Submission: 2024-12-04 20:36:55

Modifying Execution

Time of First Successful Submission: 2024-12-05 11:16:59

Broken Functions

Time of First Successful Submission: 2024-12-05 11:49:54

Exit

Time of First Successful Submission: 2024-12-05 19:38:58

Socket

Time of First Successful Submission: 2024-12-05 20:04:07

Bind

Time of First Successful Submission: 2024-12-06 12:45:28

Listen

Time of First Successful Submission: 2024-12-06 13:19:04

Accept

Time of First Successful Submission: 2024-12-06 13:28:41

Static Response

Time of First Successful Submission: 2024-12-06 15:23:44

Dynamic Response

Time of First Successful Submission: 2024-12-06 16:56:01

Iterative GET Server

Time of First Successful Submission: 2024-12-06 18:39:20

Concurrent GET Server

Time of First Successful Submission: 2024-12-06 20:16:48

Concurrent POST Server

Time of First Successful Submission: 2024-12-06 23:20:32

Web Server

Time of First Successful Submission: 2024-12-06 23:44:21

Playing With Programs

116 / 116 102 / 22704

What's the password?

Time of First Successful Submission: 2025-04-05 19:49:14

... and again!

Time of First Successful Submission: 2025-04-05 19:52:02

Newline Troubles

Time of First Successful Submission: 2025-04-05 20:25:47

Reasoning about files

Time of First Successful Submission: 2025-04-05 20:38:31

Specifying Filenames

Time of First Successful Submission: 2025-04-05 20:40:57

Binary and Hex Encoding

Time of First Successful Submission: 2025-04-05 21:01:09

More Hex

Time of First Successful Submission: 2025-04-05 21:03:54

Decoding Hex

Time of First Successful Submission: 2025-04-06 11:18:52

Decoding Practice

Time of First Successful Submission: 2025-04-06 11:37:41

Encoding Practice

Time of First Successful Submission: 2025-04-06 11:48:15

Hex-encoding ASCII

Time of First Successful Submission: 2025-04-06 12:07:10

Nested Encoding

Time of First Successful Submission: 2025-04-06 12:12:13

Hex-encoding UTF-8

Time of First Successful Submission: 2025-04-06 13:26:28

UTF Mixups

Time of First Successful Submission: 2025-04-06 13:57:15

Modifying Encoded Data

Time of First Successful Submission: 2025-04-06 14:22:57

Decoding Base64

Time of First Successful Submission: 2025-04-06 15:14:12

Encoding Base64

Time of First Successful Submission: 2025-04-06 15:26:56

Dealing with Obfuscation

Time of First Successful Submission: 2025-04-06 15:42:28

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-04-06 15:49:35

Your First HTTP Request

Time of First Successful Submission: 2025-04-07 06:22:56

Reading Flask

Time of First Successful Submission: 2025-04-07 06:26:08

Commented Data

Time of First Successful Submission: 2025-04-07 06:40:12

HTTP Metadata

Time of First Successful Submission: 2025-04-07 06:42:37

HTTP (netcat)

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

HTTP Paths (netcat)

Time of First Successful Submission: 2025-04-07 06:47:01

HTTP (curl)

Time of First Successful Submission: 2025-04-07 06:48:19

HTTP (python)

Time of First Successful Submission: 2025-04-07 07:12:00

HTTP Host Header (python)

Time of First Successful Submission: 2025-04-07 07:20:19

HTTP Host Header (curl)

Time of First Successful Submission: 2025-04-07 07:23:15

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-04-07 07:25:00

URL Encoding (netcat)

Time of First Successful Submission: 2025-04-07 10:02:58

HTTP GET Parameters

Time of First Successful Submission: 2025-04-07 10:05:32

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-04-07 10:07:03

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-04-07 10:08:52

HTTP Forms

Time of First Successful Submission: 2025-04-07 10:14:22

HTTP Forms (curl)

Time of First Successful Submission: 2025-04-07 10:18:20

HTTP Forms (netcat)

Time of First Successful Submission: 2025-04-07 10:22:54

HTTP Forms (python)

Time of First Successful Submission: 2025-04-07 14:33:13

HTTP Forms Without Forms

Time of First Successful Submission: 2025-04-07 15:14:10

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-04-07 15:58:36

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-04-07 16:02:13

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-04-07 16:06:10

HTTP Redirects (curl)

Time of First Successful Submission: 2025-04-07 16:06:56

HTTP Redirects (python)

Time of First Successful Submission: 2025-04-07 16:08:17

HTTP Cookies (curl)

Time of First Successful Submission: 2025-04-07 16:12:11

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-04-07 16:16:05

HTTP Cookies (python)

Time of First Successful Submission: 2025-04-07 16:19:35

Server State (python)

Time of First Successful Submission: 2025-04-07 16:20:55

Listening Web

Time of First Successful Submission: 2025-04-07 16:48:25

Speaking Redirects

Time of First Successful Submission: 2025-04-07 16:53:38

JavaScript Redirects

Time of First Successful Submission: 2025-04-07 17:19:49

Including JavaScript

Time of First Successful Submission: 2025-04-07 17:41:27

HTTP (javascript)

Time of First Successful Submission: 2025-04-08 10:05:39

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-04-08 10:08:19

HTTP Forms (javascript)

Time of First Successful Submission: 2025-04-08 10:21:04

cat

Time of First Successful Submission: 2024-12-08 19:21:01

more

Time of First Successful Submission: 2024-12-08 19:25:04

less

Time of First Successful Submission: 2024-12-08 19:25:30

tail

Time of First Successful Submission: 2024-12-08 19:27:26

head

Time of First Successful Submission: 2024-12-08 19:29:41

sort

Time of First Successful Submission: 2024-12-08 19:29:59

vim

Time of First Successful Submission: 2024-12-08 19:31:07

emacs

Time of First Successful Submission: 2024-12-08 19:31:40

nano

Time of First Successful Submission: 2024-12-08 19:32:23

rev

Time of First Successful Submission: 2024-12-08 19:33:16

od

Time of First Successful Submission: 2024-12-08 21:51:17

hd

Time of First Successful Submission: 2024-12-08 21:55:52

xxd

Time of First Successful Submission: 2024-12-08 23:49:43

base32

Time of First Successful Submission: 2024-12-08 23:51:31

base64

Time of First Successful Submission: 2024-12-08 23:52:04

split

Time of First Successful Submission: 2024-12-08 23:54:47

gzip

Time of First Successful Submission: 2024-12-08 23:57:31

bzip2

Time of First Successful Submission: 2024-12-09 00:01:04

zip

Time of First Successful Submission: 2024-12-09 00:07:56

tar

Time of First Successful Submission: 2024-12-09 00:09:52

ar

Time of First Successful Submission: 2024-12-09 00:12:45

cpio

Time of First Successful Submission: 2024-12-09 00:18:49

genisoimage

Time of First Successful Submission: 2024-12-09 00:30:36

env

Time of First Successful Submission: 2024-12-09 00:38:48

find

Time of First Successful Submission: 2024-12-09 00:40:25

make

Time of First Successful Submission: 2024-12-09 11:56:35

nice

Time of First Successful Submission: 2024-12-09 13:01:20

timeout

Time of First Successful Submission: 2024-12-09 13:01:54

stdbuf

Time of First Successful Submission: 2024-12-09 13:07:10

setarch

Time of First Successful Submission: 2024-12-09 13:09:12

watch

Time of First Successful Submission: 2024-12-09 13:11:39

socat

Time of First Successful Submission: 2024-12-09 13:13:59

whiptail

Time of First Successful Submission: 2024-12-09 13:18:55

awk

Time of First Successful Submission: 2024-12-09 19:44:53

sed

Time of First Successful Submission: 2024-12-09 20:00:15

ed

Time of First Successful Submission: 2024-12-09 20:02:28

chown

Time of First Successful Submission: 2024-12-09 20:03:51

chmod

Time of First Successful Submission: 2024-12-09 20:04:32

cp

Time of First Successful Submission: 2024-12-09 20:18:38

mv

Time of First Successful Submission: 2024-12-09 20:44:07

perl

Time of First Successful Submission: 2024-12-09 22:02:34

python

Time of First Successful Submission: 2024-12-09 22:00:51

ruby

Time of First Successful Submission: 2024-12-09 22:05:26

bash

Time of First Successful Submission: 2024-12-09 22:09:46

date

Time of First Successful Submission: 2024-12-09 22:11:18

dmesg

Time of First Successful Submission: 2024-12-09 23:17:06

wc

Time of First Successful Submission: 2024-12-09 23:18:37

gcc

Time of First Successful Submission: 2024-12-09 23:20:46

as

Time of First Successful Submission: 2024-12-09 23:21:52

wget

Time of First Successful Submission: 2024-12-09 23:28:20

ssh-keygen

Time of First Successful Submission: 2024-12-09 23:40:59

SQL Queries

Time of First Successful Submission: 2025-04-17 18:17:57

Filtering SQL

Time of First Successful Submission: 2025-04-17 18:23:48

Choosing Columns

Time of First Successful Submission: 2025-04-17 18:30:36

Exclusionary Filtering

Time of First Successful Submission: 2025-04-17 18:32:59

Filtering Strings

Time of First Successful Submission: 2025-04-17 18:35:21

Filtering on Expressions

Time of First Successful Submission: 2025-04-17 18:37:57

SELECTing Expressions

Time of First Successful Submission: 2025-04-17 21:13:12

Composite Conditions

Time of First Successful Submission: 2025-04-17 21:16:01

Reaching Your LIMITs

Time of First Successful Submission: 2025-04-17 21:20:48

Querying Metadata

Time of First Successful Submission: 2025-04-17 21:22:27

GCA CTF

11 / 104 1418 / 40084

Using the Terminal

Time of First Successful Submission: 2025-08-05 09:23:06

Using the VSCode Workspace

Time of First Successful Submission: 2024-11-24 11:21:13

Using the GUI Desktop

Time of First Successful Submission: 2024-11-24 11:24:50

Pasting into the Desktop

Time of First Successful Submission: 2024-11-24 11:26:01

Restarting Challenges

Time of First Successful Submission: 2024-11-24 11:27:09

Getting Help

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

Challenge Programs

Time of First Successful Submission: 2024-11-24 11:32:49

The Flag File

Time of First Successful Submission: 2024-11-24 11:36:07

Using Privileged Mode

Time of First Successful Submission: 2024-11-24 20:29:36

Persistent Home Directories - One

Time of First Successful Submission: 2024-11-24 20:36:17

Persistent Home Directories - Two

Time of First Successful Submission: 2024-11-24 20:36:48

Pwntools Tutorials

2 / 12 799 / 1152

Level 0.0

Time of First Successful Submission: 2025-04-05 21:27:29

Level 1.0

Time of First Successful Submission: 2025-04-05 21:38:35