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level1

Time of First Successful Submission: 2021-08-20 06:30:50

level2

Time of First Successful Submission: 2021-08-20 06:32:20

level3

Time of First Successful Submission: 2021-08-20 06:39:42

level4

Time of First Successful Submission: 2021-08-20 06:46:54

level5

Time of First Successful Submission: 2021-08-20 07:02:03

level6

Time of First Successful Submission: 2021-08-20 07:06:46

level7

Time of First Successful Submission: 2021-08-20 07:40:58

level8

Time of First Successful Submission: 2021-08-20 07:43:10

level9

Time of First Successful Submission: 2021-08-20 07:44:22

level10

Time of First Successful Submission: 2021-08-20 07:46:12

level11

Time of First Successful Submission: 2021-08-20 07:47:18

level12

Time of First Successful Submission: 2021-08-20 07:53:09

level13

Time of First Successful Submission: 2021-08-20 07:54:03

level14

Time of First Successful Submission: 2021-08-20 07:54:54

level15

Time of First Successful Submission: 2021-08-20 08:35:21

level16

Time of First Successful Submission: 2021-08-20 08:38:32

level17

Time of First Successful Submission: 2021-08-20 08:44:16

level18

Time of First Successful Submission: 2021-08-20 08:46:13

level19

Time of First Successful Submission: 2021-08-21 05:53:14

level20

Time of First Successful Submission: 2021-08-21 05:55:48

level21

Time of First Successful Submission: 2021-08-21 05:58:08

level22

Time of First Successful Submission: 2021-08-21 06:00:07

level23

Time of First Successful Submission: 2021-08-21 06:01:00

level24

Time of First Successful Submission: 2021-08-21 06:03:16

level25

Time of First Successful Submission: 2021-08-21 06:04:24

level26

Time of First Successful Submission: 2021-08-21 06:17:37

level27

Time of First Successful Submission: 2021-08-21 06:20:09

level28

Time of First Successful Submission: 2021-08-21 06:21:35

level29

Time of First Successful Submission: 2021-08-22 19:41:00

level30

Time of First Successful Submission: 2021-08-22 19:53:30

level31

Time of First Successful Submission: 2021-08-22 19:57:54

level32

Time of First Successful Submission: 2021-08-22 21:22:30

level33

Time of First Successful Submission: 2021-08-22 22:05:16

level34

Time of First Successful Submission: 2021-08-22 22:10:39

level35

Time of First Successful Submission: 2021-08-22 22:14:21

level36

Time of First Successful Submission: 2021-08-22 22:30:24

level37

Time of First Successful Submission: 2021-08-22 22:53:16

level38

Time of First Successful Submission: 2021-08-22 22:56:12

level39

Time of First Successful Submission: 2021-08-22 22:57:57

level40

Time of First Successful Submission: 2021-08-23 00:07:49

level41

Time of First Successful Submission: 2021-08-23 00:38:16

level42

Time of First Successful Submission: 2021-08-23 00:59:34

level43

Time of First Successful Submission: 2021-08-23 01:00:48

level44

Time of First Successful Submission: 2021-08-23 01:02:25

level45

Time of First Successful Submission: 2021-08-23 01:03:07

level46

Time of First Successful Submission: 2021-08-23 01:03:53

level47

Time of First Successful Submission: 2021-08-23 01:04:43

level48

Time of First Successful Submission: 2021-08-23 08:06:57

level49

Time of First Successful Submission: 2021-08-23 08:13:39

level50

Time of First Successful Submission: 2021-08-23 08:16:01

level51

Time of First Successful Submission: 2021-08-23 08:17:13

level52

Time of First Successful Submission: 2021-08-23 08:22:47

level53

Time of First Successful Submission: 2021-08-25 04:54:34

level54

Time of First Successful Submission: 2021-08-23 17:39:57

level55

Time of First Successful Submission: 2021-08-23 17:41:32

level56

Time of First Successful Submission: 2021-08-23 18:03:57

level57

Time of First Successful Submission: 2021-08-23 18:04:38

level58

Time of First Successful Submission: 2021-08-23 18:05:37

level59

Time of First Successful Submission: 2021-08-23 18:06:32

level60

Time of First Successful Submission: 2021-08-23 18:26:44

level61

Time of First Successful Submission: 2021-08-23 18:27:53

level62

Time of First Successful Submission: 2021-08-23 18:28:49

level63

Time of First Successful Submission: 2021-08-23 18:30:11

level64

Time of First Successful Submission: 2021-08-23 18:31:08

level65

Time of First Successful Submission: 2021-08-23 18:31:58

level66

Time of First Successful Submission: 2021-08-23 19:03:37

level67

Time of First Successful Submission: 2021-08-23 19:05:28

level68

Time of First Successful Submission: 2021-08-23 19:30:53

level70

Time of First Successful Submission: 2021-08-24 08:23:04

level71

Time of First Successful Submission: 2021-08-24 08:30:29

level72

Time of First Successful Submission: 2021-08-24 08:42:39

level73

Time of First Successful Submission: 2021-08-25 07:06:47

level74

Time of First Successful Submission: 2021-08-24 23:20:29

level76

Time of First Successful Submission: 2021-08-25 06:26:04

level77

Time of First Successful Submission: 2021-08-25 06:28:35

level78

Time of First Successful Submission: 2021-08-25 06:34:50

level79

Time of First Successful Submission: 2021-08-25 06:51:57

level80

Time of First Successful Submission: 2021-08-25 07:11:59

level82

Time of First Successful Submission: 2021-08-25 07:17:10

level83

Time of First Successful Submission: 2021-08-25 07:20:48

level84

Time of First Successful Submission: 2021-08-26 05:48:25

level85

Time of First Successful Submission: 2021-08-26 05:51:26

level86

Time of First Successful Submission: 2021-08-26 05:52:59

level87

Time of First Successful Submission: 2021-08-26 05:57:48

level88

Time of First Successful Submission: 2021-08-26 06:00:50

level89

Time of First Successful Submission: 2021-08-26 06:02:15

level90

Time of First Successful Submission: 2021-08-27 01:48:35

level91

Time of First Successful Submission: 2021-08-27 01:49:32

level92

Time of First Successful Submission: 2021-08-27 01:47:11

level93

Time of First Successful Submission: 2021-08-27 02:07:21

level94

Time of First Successful Submission: 2021-08-27 02:13:49

level95

Time of First Successful Submission: 2021-08-27 02:14:58

level96

Time of First Successful Submission: 2021-08-27 02:15:54

level97

Time of First Successful Submission: 2021-08-27 02:19:58

level98

Time of First Successful Submission: 2021-08-27 02:22:44

level99

Time of First Successful Submission: 2021-08-27 02:27:21

level100

Time of First Successful Submission: 2021-08-27 02:35:37

level101

Time of First Successful Submission: 2021-08-27 02:39:26

level102

Time of First Successful Submission: 2021-08-27 02:41:42

level103

Time of First Successful Submission: 2021-08-28 18:58:28

level104

Time of First Successful Submission: 2021-08-28 19:32:43

level105

Time of First Successful Submission: 2021-08-28 20:19:32

level106

Time of First Successful Submission: 2021-08-28 21:07:41

level107

Time of First Successful Submission: 2021-08-29 00:38:52

level108

Time of First Successful Submission: 2021-08-29 00:45:34

level109

Time of First Successful Submission: 2021-08-29 00:46:16

level110

Time of First Successful Submission: 2021-08-29 00:47:03

level111

Time of First Successful Submission: 2021-08-29 00:50:02

level112

Time of First Successful Submission: 2021-08-29 05:35:58

level113

Time of First Successful Submission: 2021-08-29 05:39:09

level114

Time of First Successful Submission: 2021-08-29 05:40:15

level115

Time of First Successful Submission: 2021-08-29 05:41:25

level116

Time of First Successful Submission: 2021-08-29 05:54:32

level117

Time of First Successful Submission: 2021-08-29 05:57:44

level118

Time of First Successful Submission: 2021-08-29 06:06:07

level119

Time of First Successful Submission: 2021-08-29 06:08:16

level120

Time of First Successful Submission: 2021-08-29 06:15:40

level121

Time of First Successful Submission: 2021-08-29 06:18:23

level122

Time of First Successful Submission: 2021-08-29 06:19:52

level123

Time of First Successful Submission: 2021-08-29 06:23:01

level124

Time of First Successful Submission: 2021-08-29 06:28:51

level125

Time of First Successful Submission: 2021-08-30 01:52:40

level126

Time of First Successful Submission: 2021-08-30 02:18:02

level127

Time of First Successful Submission: 2021-08-29 06:55:28

level128

Time of First Successful Submission: 2021-08-29 07:10:18

level129

Time of First Successful Submission: 2021-08-30 02:43:07

level130

Time of First Successful Submission: 2021-08-30 01:41:18

level131

Time of First Successful Submission: 2021-08-30 01:39:00

level132

Time of First Successful Submission: 2021-08-29 07:20:32

level133

Time of First Successful Submission: 2021-08-29 07:22:58

level134

Time of First Successful Submission: 2021-08-30 01:22:39

level135

Time of First Successful Submission: 2021-08-30 03:04:41

level136

Time of First Successful Submission: 2021-08-30 03:11:32

level137

Time of First Successful Submission: 2021-08-29 07:34:04

level138

Time of First Successful Submission: 2021-08-29 07:40:31

level139

Time of First Successful Submission: 2021-08-30 03:13:33

level140

Time of First Successful Submission: 2021-08-31 04:51:44

level141

Time of First Successful Submission: 2021-08-29 22:19:35

level142

Time of First Successful Submission: 2021-08-29 20:44:27

Silenced Shellcode

Time of First Successful Submission: 2021-09-05 20:52:10

Shellcode Shuffle

Time of First Successful Submission: 2021-09-05 23:15:57

Shellcode Shuffle II

Time of First Successful Submission: 2021-09-05 23:16:57

Mmap Mirage (Easy)

Time of First Successful Submission: 2021-10-03 19:55:59

Mmap Mirage (Hard)

Time of First Successful Submission: 2021-10-03 20:23:34

Twisted Text (Easy)

Time of First Successful Submission: 2021-09-17 06:29:34

Twisted Text (Hard)

Time of First Successful Submission: 2021-09-17 06:31:02

Tidy Task (Easy)

Time of First Successful Submission: 2021-09-17 06:34:02

Tidy Task (Hard)

Time of First Successful Submission: 2021-09-17 06:35:20

Logical License (Easy)

Time of First Successful Submission: 2021-09-17 06:37:08

Logical License (Hard)

Time of First Successful Submission: 2021-09-17 06:41:46

Modest Mangler (Easy)

Time of First Successful Submission: 2021-09-17 09:59:55

Modest Mangler (Hard)

Time of First Successful Submission: 2021-09-18 06:36:45

level2.0-f2022

Time of First Successful Submission: 2021-10-02 05:24:30

level2.1-f2022

Time of First Successful Submission: 2021-10-02 05:25:54

level1.0

Time of First Successful Submission: 2021-11-25 03:08:37

level1.1

Time of First Successful Submission: 2021-11-25 03:17:04

level2.0

Time of First Successful Submission: 2021-11-26 16:54:30

level2.1

Time of First Successful Submission: 2021-11-26 16:59:35

level3.0

Time of First Successful Submission: 2021-11-27 00:08:56

level3.1

Time of First Successful Submission: 2021-11-27 00:14:19

level4.0

Time of First Successful Submission: 2021-11-27 00:47:01

level4.1

Time of First Successful Submission: 2021-11-27 00:48:41

level5.0

Time of First Successful Submission: 2021-11-27 01:43:08

level5.1

Time of First Successful Submission: 2021-11-27 01:43:26

level6.0

Time of First Successful Submission: 2021-11-27 02:22:07

level6.1

Time of First Successful Submission: 2021-11-27 02:26:43

level7.0

Time of First Successful Submission: 2021-11-27 02:43:08

level7.1

Time of First Successful Submission: 2021-11-27 02:43:39

Intro to Programming Languages

15 / 234 1253 / 28115

Commands

Time of First Successful Submission: 2025-06-19 02:55:12

Command Arguments

Time of First Successful Submission: 2025-06-19 02:56:15

Command History

Time of First Successful Submission: 2025-06-19 02:57:04

The Root Path

Time of First Successful Submission: 2025-06-19 02:58:20

Absolute Paths

Time of First Successful Submission: 2025-06-19 02:59:42

Changing position

Time of First Successful Submission: 2025-06-19 03:00:25

Changing to an Absolute Path

Time of First Successful Submission: 2025-06-19 03:00:45

Relative Paths

Time of First Successful Submission: 2025-06-19 03:07:41

Cat

Time of First Successful Submission: 2025-06-19 03:14:37

Ls

Time of First Successful Submission: 2025-06-19 03:22:34

Ls All

Time of First Successful Submission: 2025-06-19 03:25:58

Find

Time of First Successful Submission: 2025-06-19 03:41:44

Piping Echo

Time of First Successful Submission: 2025-06-19 06:41:07

Piping Stdout

Time of First Successful Submission: 2025-06-19 06:43:28

Piping Stdin

Time of First Successful Submission: 2025-06-19 06:52:48

Intro to Cybersecurity

56 / 183 5255 / 17887

Connect

Time of First Successful Submission: 2025-06-27 07:11:49

Send

Time of First Successful Submission: 2025-06-27 07:13:28

Shutdown

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

Listen

Time of First Successful Submission: 2025-06-27 08:10:50

Scan 1

Time of First Successful Submission: 2025-06-27 08:42:39

Scan 2

Time of First Successful Submission: 2025-06-27 09:02:25

Monitor 1

Time of First Successful Submission: 2025-06-27 09:28:04

Monitor 2

Time of First Successful Submission: 2025-06-27 09:38:14

Network Configuration

Time of First Successful Submission: 2025-06-28 01:29:20

Firewall 1

Time of First Successful Submission: 2025-06-28 01:32:23

Firewall 2

Time of First Successful Submission: 2025-06-28 01:37:12

Firewall 3

Time of First Successful Submission: 2025-06-28 01:44:22

Denial of Service 1

Time of First Successful Submission: 2025-06-28 02:38:28

Denial of Service 2

Time of First Successful Submission: 2025-06-28 02:58:08

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-06-29 02:02:51

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-06-29 02:08:36

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-06-29 02:13:03

Reading Endianness (Python)

Time of First Successful Submission: 2025-06-29 02:21:18

Reading Endianness (C)

Time of First Successful Submission: 2025-06-29 02:24:13

Reading Endianness (x86)

Time of First Successful Submission: 2025-06-29 02:27:24

Version Information (Python)

Time of First Successful Submission: 2025-06-29 02:39:48

Version Information (C)

Time of First Successful Submission: 2025-06-29 02:42:07

Version Information (x86)

Time of First Successful Submission: 2025-06-29 02:54:36

Metadata and Data (Python)

Time of First Successful Submission: 2025-07-02 08:33:31

Metadata and Data (C)

Time of First Successful Submission: 2025-07-02 08:36:48

Metadata and Data (x86)

Time of First Successful Submission: 2025-07-02 08:42:59

Input Restrictions (Python)

Time of First Successful Submission: 2025-07-02 08:46:22

Input Restrictions (C)

Time of First Successful Submission: 2025-07-02 08:47:51

Input Restrictions (x86)

Time of First Successful Submission: 2025-07-02 08:50:53

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-07-02 09:02:52

Behold the cIMG! (C)

Time of First Successful Submission: 2025-07-02 09:04:49

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-07-02 09:08:32

A Basic cIMG (Python)

Time of First Successful Submission: 2025-07-13 06:59:31

A Basic cIMG (C)

Time of First Successful Submission: 2025-07-13 07:02:12

A Basic cIMG (x86)

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

Your First Overflow (easy)

Time of First Successful Submission: 2021-10-01 06:10:49

Your First Overflow (hard)

Time of First Successful Submission: 2021-10-01 06:11:33

Precision (easy)

Time of First Successful Submission: 2025-06-29 18:24:22

Precision (hard)

Time of First Successful Submission: 2025-06-29 18:34:51

Variable Control (easy)

Time of First Successful Submission: 2025-06-29 22:31:46

Variable Control (hard)

Time of First Successful Submission: 2025-06-29 22:39:35

Control Hijack (easy)

Time of First Successful Submission: 2021-10-02 05:50:12

Control Hijack (hard)

Time of First Successful Submission: 2021-10-02 06:27:30

Tricky Control Hijack (easy)

Time of First Successful Submission: 2021-10-02 09:01:43

Tricky Control Hijack (hard)

Time of First Successful Submission: 2021-10-02 09:04:38

PIEs (easy)

Time of First Successful Submission: 2021-10-02 20:53:31

PIEs (hard)

Time of First Successful Submission: 2021-10-02 22:11:29

String Lengths (easy)

Time of First Successful Submission: 2021-10-02 23:00:47

String Lengths (hard)

Time of First Successful Submission: 2021-10-02 23:26:08

Basic Shellcode

Time of First Successful Submission: 2021-09-04 03:39:22

NOP Sleds

Time of First Successful Submission: 2021-09-05 02:45:42

NULL-Free Shellcode

Time of First Successful Submission: 2021-09-05 10:09:53

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2021-10-09 05:26:14

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2021-10-09 05:36:55

Hijack to Shellcode (easy)

Time of First Successful Submission: 2021-10-09 06:02:23

Hijack to Shellcode (hard)

Time of First Successful Submission: 2021-10-09 07:53:23

Program Security

132 / 162 334 / 9029

ello ackers!

Time of First Successful Submission: 2021-09-05 18:35:57

Syscall Smuggler

Time of First Successful Submission: 2021-09-05 19:08:32

Syscall Shenanigans

Time of First Successful Submission: 2021-09-05 19:26:57

Byte Budget

Time of First Successful Submission: 2021-09-05 22:44:16

ClobberCode

Time of First Successful Submission: 2021-09-05 23:13:16

Diverse Delivery

Time of First Successful Submission: 2021-09-05 23:18:39

Pocket Payload

Time of First Successful Submission: 2021-09-05 23:19:47

Micro Menace

Time of First Successful Submission: 2021-09-07 00:12:43

Bounds Breaker (Easy)

Time of First Successful Submission: 2021-10-02 06:48:50

Bounds Breaker (Hard)

Time of First Successful Submission: 2021-10-02 06:55:22

Casting Catastrophe (Easy)

Time of First Successful Submission: 2021-10-02 08:20:21

Casting Catastrophe (Hard)

Time of First Successful Submission: 2021-10-02 08:25:24

Loop Lunacy (Easy)

Time of First Successful Submission: 2021-10-03 02:46:23

Loop Lunacy (Hard)

Time of First Successful Submission: 2021-10-03 07:40:05

Nosy Neighbor (Easy)

Time of First Successful Submission: 2021-10-03 09:18:48

Nosy Neighbor (Hard)

Time of First Successful Submission: 2021-10-03 09:25:08

Recursive Ruin (Easy)

Time of First Successful Submission: 2021-10-03 22:00:10

Recursive Ruin (Hard)

Time of First Successful Submission: 2021-10-04 01:42:36

Lingering Leftover (Easy)

Time of First Successful Submission: 2021-10-04 02:58:57

Lingering Leftover (Hard)

Time of First Successful Submission: 2021-10-04 03:13:06

Latent Leak (Easy)

Time of First Successful Submission: 2021-10-04 05:35:12

Latent Leak (Hard)

Time of First Successful Submission: 2021-10-04 06:31:21

Fork Foolery (Easy)

Time of First Successful Submission: 2021-10-04 08:46:02

Fork Foolery (Hard)

Time of First Successful Submission: 2021-10-04 09:10:36

Canary Conundrum (Easy)

Time of First Successful Submission: 2021-10-09 09:40:50

Canary Conundrum (Hard)

Time of First Successful Submission: 2021-10-09 11:37:11

A Crafty Clobber (Easy)

Time of First Successful Submission: 2021-10-10 06:26:08

A Crafty Clobber (Hard)

Time of First Successful Submission: 2021-10-10 06:53:01

Terrible Token (Easy)

Time of First Successful Submission: 2021-09-17 04:59:14

Terrible Token (Hard)

Time of First Successful Submission: 2021-09-17 05:03:18

Tangled Ticket (Easy)

Time of First Successful Submission: 2021-09-17 05:04:56

Tangled Ticket (Hard)

Time of First Successful Submission: 2021-09-17 06:20:26

Meager Mangler (Easy)

Time of First Successful Submission: 2021-09-17 06:53:11

Meager Mangler (Hard)

Time of First Successful Submission: 2021-09-18 05:34:04

Monstrous Mangler (Easy)

Time of First Successful Submission: 2021-09-18 06:57:15

Monstrous Mangler (Hard)

Time of First Successful Submission: 2021-09-21 03:15:31

Patched Up (Easy)

Time of First Successful Submission: 2021-09-21 05:20:02

Patched Up (Hard)

Time of First Successful Submission: 2021-09-21 05:25:24

Puzzle Patch (Easy)

Time of First Successful Submission: 2021-09-21 05:26:41

Puzzle Patch (Hard)

Time of First Successful Submission: 2021-09-21 05:27:45

Patch Perfect (Easy)

Time of First Successful Submission: 2021-09-21 05:37:33

Patch Perfect (Hard)

Time of First Successful Submission: 2021-09-21 06:10:25

Trust the Yancode (Easy)

Time of First Successful Submission: 2021-09-22 09:16:27

Trust the Yancode (Hard)

Time of First Successful Submission: 2021-09-22 10:30:35

Know the Yancode (Easy)

Time of First Successful Submission: 2021-09-23 06:00:11

Know the Yancode (Hard)

Time of First Successful Submission: 2021-09-23 06:12:00

Master the Yancode (Easy)

Time of First Successful Submission: 2021-09-23 06:33:54

Master the Yancode (Hard)

Time of First Successful Submission: 2021-09-24 01:09:25

Transcend the Yancode (Easy)

Time of First Successful Submission: 2021-09-24 01:22:20

Transcend the Yancode (Hard)

Time of First Successful Submission: 2021-09-24 02:21:51

The Yanalyzer (Easy)

Time of First Successful Submission: 2021-09-25 07:26:16

The Yanalyzer (Hard)

Time of First Successful Submission: 2021-09-26 08:35:59

The Yangler (Easy)

Time of First Successful Submission: 2021-09-25 23:11:47

The Yangler (Hard)

Time of First Successful Submission: 2021-09-27 03:33:38

Yancraft (Easy)

Time of First Successful Submission: 2021-09-27 10:17:45

Yancraft (Hard)

Time of First Successful Submission: 2021-09-27 10:55:17

Yansanity (Easy)

Time of First Successful Submission: 2021-09-27 11:52:51

Yansanity (Hard)

Time of First Successful Submission: 2021-10-04 20:52:57

Loose Link (Easy)

Time of First Successful Submission: 2021-10-25 01:37:11

Loose Link (Hard)

Time of First Successful Submission: 2021-10-25 01:39:06

Call Chain (Easy)

Time of First Successful Submission: 2021-10-25 01:57:17

Call Chain (Hard)

Time of First Successful Submission: 2021-10-25 01:59:15

Chain of Command (Easy)

Time of First Successful Submission: 2021-10-25 02:46:35

Chain of Command (Hard)

Time of First Successful Submission: 2021-10-25 05:22:42

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2021-10-25 07:24:24

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2021-10-25 07:25:57

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2021-10-25 09:10:20

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2021-10-25 09:14:30

Indirect Invocation (Easy)

Time of First Successful Submission: 2021-10-26 06:02:04

Indirect Invocation (Hard)

Time of First Successful Submission: 2021-10-26 06:05:26

Leaky Libc (Easy)

Time of First Successful Submission: 2021-10-26 06:56:51

Leaky Libc (Hard)

Time of First Successful Submission: 2021-10-26 07:05:04

Putsception (Easy)

Time of First Successful Submission: 2021-10-26 09:23:40

Putsception (Hard)

Time of First Successful Submission: 2021-10-26 09:39:13

Pivotal Prelude (Easy)

Time of First Successful Submission: 2021-10-27 04:26:32

Pivotal Prelude (Hard)

Time of First Successful Submission: 2021-10-27 04:45:53

Pivotal Pointer (Easy)

Time of First Successful Submission: 2021-10-27 07:23:16

Pivotal Pointer (Hard)

Time of First Successful Submission: 2021-10-27 11:17:51

Pivotal Payload (Easy)

Time of First Successful Submission: 2021-10-27 09:15:13

Pivotal Payload (Hard)

Time of First Successful Submission: 2021-10-27 11:21:35

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2021-10-27 11:44:14

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2021-10-27 12:01:39

Guarded Gadgets (Easy)

Time of First Successful Submission: 2021-10-29 10:35:46

Guarded Gadgets (Hard)

Time of First Successful Submission: 2021-10-29 11:02:43

ROP Roulette (Easy)

Time of First Successful Submission: 2021-10-31 11:51:51

ROP Roulette (Hard)

Time of First Successful Submission: 2021-10-31 11:39:05

Libc Lottery (Easy)

Time of First Successful Submission: 2021-10-31 23:02:13

Libc Lottery (Hard)

Time of First Successful Submission: 2021-11-01 00:36:35

Freebie (Easy)

Time of First Successful Submission: 2021-11-03 00:25:53

Freebie (Hard)

Time of First Successful Submission: 2021-11-03 00:27:34

Freebin Feint (Easy)

Time of First Successful Submission: 2021-11-04 07:08:42

Freebin Feint (Hard)

Time of First Successful Submission: 2021-11-04 07:12:03

Free Flag Fumble (Easy)

Time of First Successful Submission: 2021-11-04 07:26:24

Free Flag Fumble (Hard)

Time of First Successful Submission: 2021-11-04 07:28:54

Fickle Free (Easy)

Time of First Successful Submission: 2021-11-04 07:56:23

Fickle Free (Hard)

Time of First Successful Submission: 2021-11-04 07:58:06

Malloc Mirage (Easy)

Time of First Successful Submission: 2021-11-04 09:05:29

Malloc Mirage (Hard)

Time of First Successful Submission: 2021-11-04 09:59:02

Seeking Secrets (Easy)

Time of First Successful Submission: 2021-11-05 05:32:27

Seeking Secrets (Hard)

Time of First Successful Submission: 2021-11-05 06:08:54

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2021-11-05 06:29:19

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2021-11-05 06:45:57

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2021-11-06 05:20:24

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2021-11-06 05:27:12

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2021-11-06 23:50:36

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2021-11-06 23:56:01

Sus Sequence (Easy)

Time of First Successful Submission: 2021-11-07 02:00:18

Sus Sequence (Hard)

Time of First Successful Submission: 2021-11-07 02:01:02

Echo Emanations (Easy)

Time of First Successful Submission: 2021-11-07 04:38:42

Echo Emanations (Hard)

Time of First Successful Submission: 2021-11-07 05:11:15

Stack Spoofing (Easy)

Time of First Successful Submission: 2021-11-07 08:22:34

Stack Spoofing (Hard)

Time of First Successful Submission: 2021-11-07 09:57:26

Stack Summoning (Easy)

Time of First Successful Submission: 2021-11-07 07:40:43

Stack Summoning (Hard)

Time of First Successful Submission: 2021-11-07 11:09:48

Enterprising Echo (Easy)

Time of First Successful Submission: 2021-11-07 23:33:52

Enterprising Echo (Hard)

Time of First Successful Submission: 2021-11-08 08:59:32

Ephemeral Echo (Easy)

Time of First Successful Submission: 2021-11-09 00:45:30

Ephemeral Echo (Hard)

Time of First Successful Submission: 2021-11-09 00:47:17

Containment Composition (Easy)

Time of First Successful Submission: 2021-10-11 00:55:27

Containment Composition (Hard)

Time of First Successful Submission: 2021-10-11 01:19:36

Constant Corruption (Easy)

Time of First Successful Submission: 2021-10-11 08:25:00

Constant Corruption (Hard)

Time of First Successful Submission: 2021-10-11 08:28:20

Return to YanLand (Easy)

Time of First Successful Submission: 2021-10-13 11:59:01

Return to YanLand (Hard)

Time of First Successful Submission: 2021-10-14 08:00:14

Escape from YanLand (Easy)

Time of First Successful Submission: 2021-10-14 10:46:37

Escape from YanLand (Hard)

Time of First Successful Submission: 2021-10-15 11:48:21

The YanFilter (Easy)

Time of First Successful Submission: 2021-10-17 09:20:38

The YanFilter (Hard)

Time of First Successful Submission: 2021-10-17 09:31:50

The Great YanFilter (Easy)

Time of First Successful Submission: 2021-10-18 21:52:16

The Great YanFilter (Hard)

Time of First Successful Submission: 2021-10-18 22:08:37

Yan85 Reborn (Easy)

Time of First Successful Submission: 2021-10-22 06:05:37

Yan85 Reborn (Hard)

Time of First Successful Submission: 2021-10-22 06:40:23

System Security

59 / 95 519 / 3184

chroot-escape-basic

Time of First Successful Submission: 2021-09-10 01:52:27

chroot-shellcode

Time of First Successful Submission: 2021-09-10 02:58:28

chroot-proper

Time of First Successful Submission: 2021-09-10 06:59:47

seccomp-basic

Time of First Successful Submission: 2021-09-10 07:40:06

seccomp-linkat

Time of First Successful Submission: 2021-09-10 09:19:45

seccomp-fchdir

Time of First Successful Submission: 2021-09-10 09:31:08

seccomp-rechroot

Time of First Successful Submission: 2021-09-10 07:17:42

seccomp-only

Time of First Successful Submission: 2021-09-11 05:16:06

seccomp-arch32

Time of First Successful Submission: 2021-09-11 06:28:04

seccomp-minimal

Time of First Successful Submission: 2021-09-11 07:17:03

seccomp-timebased

Time of First Successful Submission: 2021-09-11 19:05:37

seccomp-readonly

Time of First Successful Submission: 2021-09-11 19:15:44

process-isolation

Time of First Successful Submission: 2021-09-12 00:52:11

level1.0

Time of First Successful Submission: 2021-11-12 08:13:44

level1.1

Time of First Successful Submission: 2021-11-12 08:20:04

level2.0

Time of First Successful Submission: 2021-11-12 08:27:15

level2.1

Time of First Successful Submission: 2021-11-12 08:27:31

level3.0

Time of First Successful Submission: 2021-11-12 08:54:16

level3.1

Time of First Successful Submission: 2021-11-12 08:50:04

level4.0

Time of First Successful Submission: 2021-11-12 09:06:11

level4.1

Time of First Successful Submission: 2021-11-12 09:11:45

level5.0

Time of First Successful Submission: 2021-11-12 09:19:18

level5.1

Time of First Successful Submission: 2021-11-12 10:32:18

level6.0

Time of First Successful Submission: 2021-11-12 11:18:49

level6.1

Time of First Successful Submission: 2021-11-13 07:23:09

level7.0

Time of First Successful Submission: 2021-11-13 08:51:30

level7.1

Time of First Successful Submission: 2021-11-13 09:25:11

level8.0

Time of First Successful Submission: 2021-11-14 01:04:53

level8.1

Time of First Successful Submission: 2021-11-14 01:37:41

level9.0

Time of First Successful Submission: 2021-11-14 05:34:55

level9.1

Time of First Successful Submission: 2021-11-14 08:08:38

level10.0

Time of First Successful Submission: 2021-11-14 09:03:09

level10.1

Time of First Successful Submission: 2021-11-14 08:24:05

level11.0

Time of First Successful Submission: 2021-11-14 09:05:25

level11.1

Time of First Successful Submission: 2021-11-14 08:26:20

level1.0

Time of First Successful Submission: 2021-11-18 05:27:05

level1.1

Time of First Successful Submission: 2021-11-18 05:30:27

level2.0

Time of First Successful Submission: 2021-11-18 18:38:39

level2.1

Time of First Successful Submission: 2021-11-18 18:42:57

level3.0

Time of First Successful Submission: 2021-11-18 18:52:11

level3.1

Time of First Successful Submission: 2021-11-18 18:55:29

level4.0

Time of First Successful Submission: 2021-11-18 19:04:22

level4.1

Time of First Successful Submission: 2021-11-18 19:06:38

level5.0

Time of First Successful Submission: 2021-11-18 22:50:39

level5.1

Time of First Successful Submission: 2021-11-18 22:54:30

level6.0

Time of First Successful Submission: 2021-11-19 05:27:45

level6.1

Time of First Successful Submission: 2021-11-19 05:37:09

level7.0

Time of First Successful Submission: 2021-11-20 02:43:08

level7.1

Time of First Successful Submission: 2021-11-20 02:43:54

level8.0

Time of First Successful Submission: 2021-11-20 13:47:00

level8.1

Time of First Successful Submission: 2021-11-20 13:52:27

level9.0

Time of First Successful Submission: 2021-11-21 03:41:41

level9.1

Time of First Successful Submission: 2021-11-21 03:42:23

level10.0

Time of First Successful Submission: 2021-11-21 08:47:18

level10.1

Time of First Successful Submission: 2021-11-21 08:50:15

level11.0

Time of First Successful Submission: 2021-11-22 07:40:26

level11.1

Time of First Successful Submission: 2021-11-22 07:50:21

level12.0

Time of First Successful Submission: 2021-11-23 03:53:31

level12.1

Time of First Successful Submission: 2021-11-23 03:55:32

Start Here

10 / 12 15210 / 38350

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-19 02:16:42

Using the GUI Desktop

Time of First Successful Submission: 2025-06-19 02:22:59

Pasting into the Desktop

Time of First Successful Submission: 2025-06-19 02:24:42

Restarting Challenges

Time of First Successful Submission: 2025-06-19 02:27:34

Challenge Programs

Time of First Successful Submission: 2025-06-19 02:37:54

The Flag File

Time of First Successful Submission: 2025-06-19 02:39:02

Using Privileged Mode

Time of First Successful Submission: 2025-06-19 02:41:19

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-19 02:43:16

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-19 02:44:19

Linux Luminarium

107 / 128 4413 / 28356

Intro to Commands

Time of First Successful Submission: 2025-06-19 02:55:12

Intro to Arguments

Time of First Successful Submission: 2025-06-19 02:56:15

Command History

Time of First Successful Submission: 2025-06-19 02:57:04

The Root

Time of First Successful Submission: 2025-06-19 02:58:20

Program and absolute paths

Time of First Successful Submission: 2025-06-19 02:59:42

Position thy self

Time of First Successful Submission: 2025-06-19 03:00:25

Position elsewhere

Time of First Successful Submission: 2025-06-19 03:00:45

implicit relative paths, from /

Time of First Successful Submission: 2025-06-19 03:07:41

explicit relative paths, from /

Time of First Successful Submission: 2025-06-19 03:09:49

implicit relative path

Time of First Successful Submission: 2025-06-19 03:10:20

home sweet home

Time of First Successful Submission: 2025-06-19 03:12:03

cat: not the pet, but the command!

Time of First Successful Submission: 2025-06-19 03:14:37

catting absolute paths

Time of First Successful Submission: 2025-06-19 03:15:18

more catting practice

Time of First Successful Submission: 2025-06-19 03:19:59

grepping for a needle in a haystack

Time of First Successful Submission: 2025-06-19 03:20:53

listing files

Time of First Successful Submission: 2025-06-19 03:22:34

touching files

Time of First Successful Submission: 2025-06-19 03:23:13

removing files

Time of First Successful Submission: 2025-06-19 03:23:37

moving files

Time of First Successful Submission: 2025-06-19 03:25:18

hidden files

Time of First Successful Submission: 2025-06-19 03:25:58

An Epic Filesystem Quest

Time of First Successful Submission: 2025-06-19 03:37:23

making directories

Time of First Successful Submission: 2025-06-19 03:39:38

finding files

Time of First Successful Submission: 2025-06-19 03:41:44

linking files

Time of First Successful Submission: 2025-06-19 03:44:01

Learning From Documentation

Time of First Successful Submission: 2025-06-19 03:45:40

Learning Complex Usage

Time of First Successful Submission: 2025-06-19 03:46:07

Reading Manuals

Time of First Successful Submission: 2025-06-19 03:47:59

Searching Manuals

Time of First Successful Submission: 2025-06-19 03:48:41

Searching For Manuals

Time of First Successful Submission: 2025-06-19 03:58:16

Helpful Programs

Time of First Successful Submission: 2025-06-19 04:00:11

Help for Builtins

Time of First Successful Submission: 2025-06-19 04:02:09

Matching with *

Time of First Successful Submission: 2025-06-19 06:25:10

Matching with ?

Time of First Successful Submission: 2025-06-19 06:27:03

Matching with []

Time of First Successful Submission: 2025-06-19 06:29:04

Matching paths with []

Time of First Successful Submission: 2025-06-19 06:29:54

Multiple globs

Time of First Successful Submission: 2025-06-19 06:32:10

Mixing globs

Time of First Successful Submission: 2025-06-19 06:34:48

Exclusionary globbing

Time of First Successful Submission: 2025-06-19 06:36:17

Tab completion

Time of First Successful Submission: 2025-06-19 06:36:51

Multiple options for tab completion

Time of First Successful Submission: 2025-06-19 06:38:56

Tab completion on commands

Time of First Successful Submission: 2025-06-19 06:39:52

Redirecting output

Time of First Successful Submission: 2025-06-19 06:41:07

Redirecting more output

Time of First Successful Submission: 2025-06-19 06:43:28

Appending output

Time of First Successful Submission: 2025-06-19 06:46:35

Redirecting errors

Time of First Successful Submission: 2025-06-19 06:49:31

Redirecting input

Time of First Successful Submission: 2025-06-19 06:52:48

Grepping stored results

Time of First Successful Submission: 2025-06-19 06:57:42

Grepping live output

Time of First Successful Submission: 2025-06-19 06:58:14

Grepping errors

Time of First Successful Submission: 2025-06-19 07:01:54

Filtering with grep -v

Time of First Successful Submission: 2025-06-19 07:03:08

Duplicating piped data with tee

Time of First Successful Submission: 2025-06-19 07:06:32

Writing to multiple programs

Time of First Successful Submission: 2025-06-19 07:25:45

Split-piping stderr and stdout

Time of First Successful Submission: 2025-06-19 07:41:03

Printing Variables

Time of First Successful Submission: 2025-06-20 05:07:58

Setting Variables

Time of First Successful Submission: 2025-06-20 05:08:32

Multi-word Variables

Time of First Successful Submission: 2025-06-20 05:08:59

Exporting Variables

Time of First Successful Submission: 2025-06-20 05:12:34

Printing Exported Variables

Time of First Successful Submission: 2025-06-20 05:13:56

Storing Command Output

Time of First Successful Submission: 2025-06-20 05:15:42

Reading Input

Time of First Successful Submission: 2025-06-20 05:16:10

Reading Files

Time of First Successful Submission: 2025-06-20 05:16:54

Translating characters

Time of First Successful Submission: 2025-06-20 05:25:46

Deleting characters

Time of First Successful Submission: 2025-06-20 05:28:10

Deleting newlines

Time of First Successful Submission: 2025-06-20 05:29:05

Extracting the first lines with head

Time of First Successful Submission: 2025-06-20 05:30:15

Extracting specific sections of text

Time of First Successful Submission: 2025-06-20 05:32:00

Listing Processes

Time of First Successful Submission: 2025-06-20 05:39:24

Killing Processes

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

Interrupting Processes

Time of First Successful Submission: 2025-06-20 06:04:44

Suspending Processes

Time of First Successful Submission: 2025-06-20 06:05:49

Resuming Processes

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

Backgrounding Processes

Time of First Successful Submission: 2025-06-20 06:10:41

Foregrounding Processes

Time of First Successful Submission: 2025-06-20 06:14:03

Starting Backgrounded Processes

Time of First Successful Submission: 2025-06-20 06:14:34

Process Exit Codes

Time of First Successful Submission: 2025-06-20 06:15:16

Becoming root with su

Time of First Successful Submission: 2025-06-20 06:55:52

Other users with su

Time of First Successful Submission: 2025-06-20 06:57:50

Cracking passwords

Time of First Successful Submission: 2025-06-20 07:09:51

Using sudo

Time of First Successful Submission: 2025-06-20 07:10:10

Changing File Ownership

Time of First Successful Submission: 2025-06-20 06:19:38

Groups and Files

Time of First Successful Submission: 2025-06-20 06:22:44

Fun With Groups Names

Time of First Successful Submission: 2025-06-20 06:24:02

Changing Permissions

Time of First Successful Submission: 2025-06-20 06:30:08

Executable Files

Time of First Successful Submission: 2025-06-20 06:35:09

Permission Tweaking Practice

Time of First Successful Submission: 2025-06-20 06:39:01

Permissions Setting Practice

Time of First Successful Submission: 2025-06-20 06:45:08

The SUID Bit

Time of First Successful Submission: 2025-06-20 06:49:58

Chaining with Semicolons

Time of First Successful Submission: 2025-06-20 07:12:31

Your First Shell Script

Time of First Successful Submission: 2025-06-20 07:14:06

Redirecting Script Output

Time of First Successful Submission: 2025-06-20 07:15:06

Executable Shell Scripts

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

The PATH Variable

Time of First Successful Submission: 2025-06-21 06:21:04

Setting PATH

Time of First Successful Submission: 2025-06-21 06:21:58

Finding Commands

Time of First Successful Submission: 2025-06-21 06:24:31

Adding Commands

Time of First Successful Submission: 2025-06-21 06:31:20

Hijacking Commands

Time of First Successful Submission: 2025-06-21 06:33:15

Bashrc Backdoor

Time of First Successful Submission: 2025-06-21 06:35:23

Sniffing Input

Time of First Successful Submission: 2025-06-21 06:46:40

Overshared Directories

Time of First Successful Submission: 2025-06-21 07:07:09

Tricky Linking

Time of First Successful Submission: 2025-06-21 07:19:23

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-21 07:21:59

Snooping on Configurations

Time of First Successful Submission: 2025-06-21 07:24:10

The Fork Bomb

Time of First Successful Submission: 2025-06-21 07:32:19

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-21 07:35:19

rm -rf /

Time of First Successful Submission: 2025-06-21 07:42:04

Life after rm -rf /

Time of First Successful Submission: 2025-06-21 07:47:39

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-21 07:52:44

Computing 101

69 / 69 525 / 19402

Your First Register

Time of First Successful Submission: 2025-06-21 23:34:31

Your First Syscall

Time of First Successful Submission: 2025-06-21 23:36:29

Exit Codes

Time of First Successful Submission: 2025-06-21 23:37:56

Building Executables

Time of First Successful Submission: 2025-06-21 23:45:21

Moving Between Registers

Time of First Successful Submission: 2025-06-21 23:46:53

Tracing Syscalls

Time of First Successful Submission: 2025-06-21 23:51:52

Starting GDB

Time of First Successful Submission: 2025-06-21 23:53:17

Starting Programs in GDB

Time of First Successful Submission: 2025-06-21 23:55:40

Loading From Memory

Time of First Successful Submission: 2025-06-22 00:38:07

More Loading Practice

Time of First Successful Submission: 2025-06-22 00:38:55

Dereferencing Pointers

Time of First Successful Submission: 2025-06-22 00:42:06

Dereferencing Yourself

Time of First Successful Submission: 2025-06-22 00:43:39

Dereferencing with Offsets

Time of First Successful Submission: 2025-06-22 00:45:57

Stored Addresses

Time of First Successful Submission: 2025-06-22 00:49:23

Double Dereference

Time of First Successful Submission: 2025-06-22 00:53:25

Triple Dereference

Time of First Successful Submission: 2025-06-22 00:55:01

Writing Output

Time of First Successful Submission: 2025-06-22 01:13:42

Chaining Syscalls

Time of First Successful Submission: 2025-06-22 01:15:17

Writing Strings

Time of First Successful Submission: 2025-06-22 01:16:08

Reading Data

Time of First Successful Submission: 2025-06-22 01:20:18

set-register

Time of First Successful Submission: 2021-09-01 01:18:10

set-multiple-registers

Time of First Successful Submission: 2025-06-22 02:05:57

add-to-register

Time of First Successful Submission: 2021-09-01 01:22:43

linear-equation-registers

Time of First Successful Submission: 2021-09-01 02:21:10

integer-division

Time of First Successful Submission: 2021-09-01 02:25:33

modulo-operation

Time of First Successful Submission: 2021-09-01 02:27:54

set-upper-byte

Time of First Successful Submission: 2025-06-22 02:20:43

efficient-modulo

Time of First Successful Submission: 2021-09-01 04:01:09

byte-extraction

Time of First Successful Submission: 2021-09-01 04:16:56

bitwise-and

Time of First Successful Submission: 2021-09-01 04:32:17

check-even

Time of First Successful Submission: 2021-09-01 04:48:52

memory-read

Time of First Successful Submission: 2025-06-22 02:56:11

memory-write

Time of First Successful Submission: 2025-06-22 02:56:58

memory-increment

Time of First Successful Submission: 2021-09-01 04:59:06

byte-access

Time of First Successful Submission: 2025-06-22 03:00:56

memory-size-access

Time of First Successful Submission: 2021-09-01 05:12:01

little-endian-write

Time of First Successful Submission: 2021-09-02 20:31:17

memory-sum

Time of First Successful Submission: 2021-09-02 20:44:58

stack-subtraction

Time of First Successful Submission: 2021-09-02 21:10:18

swap-stack-values

Time of First Successful Submission: 2021-09-02 21:13:50

average-stack-values

Time of First Successful Submission: 2021-09-02 21:23:43

absolute-jump

Time of First Successful Submission: 2025-06-22 04:49:37

relative-jump

Time of First Successful Submission: 2025-06-22 04:55:43

jump-trampoline

Time of First Successful Submission: 2021-09-03 02:15:20

conditional-jump

Time of First Successful Submission: 2021-09-02 22:20:27

indirect-jump

Time of First Successful Submission: 2021-09-03 03:31:14

average-loop

Time of First Successful Submission: 2021-09-02 22:52:09

count-non-zero

Time of First Successful Submission: 2021-09-03 04:51:47

string-lower

Time of First Successful Submission: 2021-09-05 04:18:26

most-common-byte

Time of First Successful Submission: 2021-09-06 10:16:39

Debugging Programs

Time of First Successful Submission: 2021-09-17 01:16:12

Inspecting Registers

Time of First Successful Submission: 2021-09-17 01:20:01

Examining Memory

Time of First Successful Submission: 2021-09-17 01:26:08

Setting Breakpoints

Time of First Successful Submission: 2021-09-17 03:26:33

GDB Scripting

Time of First Successful Submission: 2021-09-17 03:40:05

Modifying Data

Time of First Successful Submission: 2021-09-17 04:01:49

Modifying Execution

Time of First Successful Submission: 2021-09-17 04:33:30

Broken Functions

Time of First Successful Submission: 2025-06-22 09:41:11

Exit

Time of First Successful Submission: 2025-06-24 04:01:49

Socket

Time of First Successful Submission: 2025-06-24 04:13:37

Bind

Time of First Successful Submission: 2025-06-24 04:49:35

Listen

Time of First Successful Submission: 2025-06-24 04:53:31

Accept

Time of First Successful Submission: 2025-06-24 05:01:05

Static Response

Time of First Successful Submission: 2025-06-24 06:46:35

Dynamic Response

Time of First Successful Submission: 2025-06-24 07:20:27

Iterative GET Server

Time of First Successful Submission: 2025-06-24 07:27:15

Concurrent GET Server

Time of First Successful Submission: 2025-06-24 07:44:47

Concurrent POST Server

Time of First Successful Submission: 2025-06-24 08:13:04

Web Server

Time of First Successful Submission: 2025-06-24 09:26:21

Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-06-25 04:19:11

... and again!

Time of First Successful Submission: 2025-06-25 04:19:45

Newline Troubles

Time of First Successful Submission: 2025-06-25 04:21:57

Reasoning about files

Time of First Successful Submission: 2025-06-25 04:23:30

Specifying Filenames

Time of First Successful Submission: 2025-06-25 04:24:23

Binary and Hex Encoding

Time of First Successful Submission: 2025-06-25 05:04:01

More Hex

Time of First Successful Submission: 2025-06-25 05:07:10

Decoding Hex

Time of First Successful Submission: 2025-06-25 05:25:39

Decoding Practice

Time of First Successful Submission: 2025-06-25 05:27:19

Encoding Practice

Time of First Successful Submission: 2025-06-25 05:34:03

Hex-encoding ASCII

Time of First Successful Submission: 2025-06-25 05:54:28

Nested Encoding

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

Hex-encoding UTF-8

Time of First Successful Submission: 2025-06-25 06:08:20

UTF Mixups

Time of First Successful Submission: 2025-06-25 06:12:41

Modifying Encoded Data

Time of First Successful Submission: 2025-06-25 06:19:32

Decoding Base64

Time of First Successful Submission: 2025-06-25 06:24:58

Encoding Base64

Time of First Successful Submission: 2025-06-25 06:28:43

Dealing with Obfuscation

Time of First Successful Submission: 2025-06-25 06:31:19

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-06-25 06:43:07

cat

Time of First Successful Submission: 2021-08-25 02:09:39

more

Time of First Successful Submission: 2021-08-25 02:12:55

less

Time of First Successful Submission: 2021-08-25 02:13:47

tail

Time of First Successful Submission: 2021-08-25 02:14:18

head

Time of First Successful Submission: 2021-08-25 02:14:53

sort

Time of First Successful Submission: 2021-08-25 02:15:23

vim

Time of First Successful Submission: 2021-08-25 02:16:03

emacs

Time of First Successful Submission: 2021-08-25 02:16:42

nano

Time of First Successful Submission: 2021-08-25 02:17:20

rev

Time of First Successful Submission: 2021-08-25 02:18:16

od

Time of First Successful Submission: 2021-08-25 02:22:44

hd

Time of First Successful Submission: 2021-08-25 03:17:21

xxd

Time of First Successful Submission: 2021-08-25 03:18:16

base32

Time of First Successful Submission: 2021-08-25 03:21:43

base64

Time of First Successful Submission: 2021-08-25 03:23:11

split

Time of First Successful Submission: 2021-08-25 04:13:55

gzip

Time of First Successful Submission: 2021-08-26 22:21:30

bzip2

Time of First Successful Submission: 2021-08-26 22:25:53

zip

Time of First Successful Submission: 2021-08-26 22:32:42

tar

Time of First Successful Submission: 2021-08-26 23:28:55

ar

Time of First Successful Submission: 2021-08-27 04:57:16

cpio

Time of First Successful Submission: 2021-08-27 05:25:24

genisoimage

Time of First Successful Submission: 2021-08-27 05:39:36

env

Time of First Successful Submission: 2021-08-27 06:12:18

find

Time of First Successful Submission: 2021-08-27 06:21:13

make

Time of First Successful Submission: 2021-08-27 06:57:39

nice

Time of First Successful Submission: 2021-08-27 07:04:05

timeout

Time of First Successful Submission: 2021-08-27 07:14:24

stdbuf

Time of First Successful Submission: 2021-08-27 07:16:53

setarch

Time of First Successful Submission: 2021-08-27 07:30:04

watch

Time of First Successful Submission: 2021-08-27 08:17:04

socat

Time of First Successful Submission: 2021-08-27 06:29:52

whiptail

Time of First Successful Submission: 2021-08-28 05:04:06

awk

Time of First Successful Submission: 2021-08-28 05:08:59

sed

Time of First Successful Submission: 2021-08-28 05:11:34

ed

Time of First Successful Submission: 2021-08-28 05:12:58

chown

Time of First Successful Submission: 2021-08-28 05:14:36

chmod

Time of First Successful Submission: 2021-08-28 05:15:04

cp

Time of First Successful Submission: 2021-08-28 05:15:38

mv

Time of First Successful Submission: 2021-08-29 23:18:37

perl

Time of First Successful Submission: 2021-08-28 06:39:01

python

Time of First Successful Submission: 2021-08-28 06:40:47

ruby

Time of First Successful Submission: 2021-08-28 06:42:28

bash

Time of First Successful Submission: 2021-08-29 07:51:51

date

Time of First Successful Submission: 2021-08-28 07:05:24

dmesg

Time of First Successful Submission: 2021-08-28 07:06:17

wc

Time of First Successful Submission: 2021-08-28 07:08:15

gcc

Time of First Successful Submission: 2021-08-28 21:59:56

as

Time of First Successful Submission: 2021-08-28 07:17:15

wget

Time of First Successful Submission: 2021-08-27 01:41:08

ssh-keygen

Time of First Successful Submission: 2021-08-27 04:16:41

CybHer Dojo

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Using the VSCode Workspace

Time of First Successful Submission: 2025-06-19 02:16:42

Using the GUI Desktop

Time of First Successful Submission: 2025-06-19 02:22:59

Pasting into the Desktop

Time of First Successful Submission: 2025-06-19 02:24:42

Restarting Challenges

Time of First Successful Submission: 2025-06-19 02:27:34

Getting Help

Time of First Successful Submission: 2025-06-19 02:37:00

Challenge Programs

Time of First Successful Submission: 2025-06-19 02:37:54

The Flag File

Time of First Successful Submission: 2025-06-19 02:39:02

Using Privileged Mode

Time of First Successful Submission: 2025-06-19 02:41:19

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-19 02:43:16

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-19 02:44:19

GCA CTF

10 / 104 15300 / 38568

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-19 02:16:42

Using the GUI Desktop

Time of First Successful Submission: 2025-06-19 02:22:59

Pasting into the Desktop

Time of First Successful Submission: 2025-06-19 02:24:42

Restarting Challenges

Time of First Successful Submission: 2025-06-19 02:27:34

Getting Help

Time of First Successful Submission: 2025-06-19 02:37:00

Challenge Programs

Time of First Successful Submission: 2025-06-19 02:37:54

The Flag File

Time of First Successful Submission: 2025-06-19 02:39:02

Using Privileged Mode

Time of First Successful Submission: 2025-06-19 02:41:19

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-19 02:43:16

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-19 02:44:19