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level1

Time of First Successful Submission: 2024-04-18 07:27:13

level2

Time of First Successful Submission: 2024-04-20 14:05:12

level3

Time of First Successful Submission: 2024-04-20 14:06:20

level4

Time of First Successful Submission: 2024-04-20 14:14:05

level5

Time of First Successful Submission: 2024-04-20 14:24:42

level6

Time of First Successful Submission: 2024-04-20 14:29:12

level7

Time of First Successful Submission: 2024-04-20 14:31:36

level8

Time of First Successful Submission: 2024-04-20 14:39:22

level9

Time of First Successful Submission: 2024-04-20 14:41:10

level10

Time of First Successful Submission: 2024-04-20 14:44:25

level11

Time of First Successful Submission: 2024-04-21 08:26:13

level12

Time of First Successful Submission: 2024-04-21 08:29:09

level13

Time of First Successful Submission: 2024-04-21 08:30:29

level14

Time of First Successful Submission: 2024-04-21 08:36:54

level15

Time of First Successful Submission: 2024-04-21 08:59:19

level16

Time of First Successful Submission: 2024-04-22 16:33:32

level17

Time of First Successful Submission: 2024-04-22 16:44:54

level18

Time of First Successful Submission: 2024-04-22 16:55:58

level19

Time of First Successful Submission: 2024-04-22 17:03:48

level20

Time of First Successful Submission: 2024-04-22 17:13:00

level21

Time of First Successful Submission: 2024-04-22 17:15:17

level22

Time of First Successful Submission: 2024-04-22 17:43:37

level23

Time of First Successful Submission: 2024-04-22 19:48:35

level24

Time of First Successful Submission: 2024-04-22 19:50:13

level25

Time of First Successful Submission: 2024-04-22 19:52:30

level26

Time of First Successful Submission: 2024-04-22 19:54:54

level27

Time of First Successful Submission: 2024-04-22 19:57:02

level28

Time of First Successful Submission: 2024-04-22 19:58:21

level29

Time of First Successful Submission: 2024-04-22 20:13:44

level30

Time of First Successful Submission: 2024-04-23 14:20:45

level31

Time of First Successful Submission: 2024-04-23 14:23:57

level32

Time of First Successful Submission: 2024-04-23 20:13:08

level33

Time of First Successful Submission: 2024-04-24 15:47:25

level34

Time of First Successful Submission: 2024-04-25 15:39:53

level35

Time of First Successful Submission: 2024-04-25 15:41:55

level36

Time of First Successful Submission: 2024-04-25 15:45:31

level37

Time of First Successful Submission: 2024-04-25 15:48:45

level38

Time of First Successful Submission: 2024-04-25 15:51:07

level39

Time of First Successful Submission: 2024-04-25 15:51:51

level40

Time of First Successful Submission: 2024-04-25 15:56:39

level41

Time of First Successful Submission: 2024-04-26 14:43:04

level42

Time of First Successful Submission: 2024-04-26 14:45:15

level43

Time of First Successful Submission: 2024-04-26 14:48:44

level44

Time of First Successful Submission: 2024-04-26 14:49:59

level45

Time of First Successful Submission: 2024-04-26 14:52:49

level46

Time of First Successful Submission: 2024-04-26 14:57:01

level47

Time of First Successful Submission: 2024-04-26 14:58:40

level48

Time of First Successful Submission: 2024-05-11 19:02:41

level49

Time of First Successful Submission: 2024-05-13 17:40:23

level50

Time of First Successful Submission: 2024-05-13 17:44:08

level51

Time of First Successful Submission: 2024-05-13 17:52:54

level52

Time of First Successful Submission: 2024-05-13 19:16:15

level53

Time of First Successful Submission: 2024-05-13 19:40:59

level54

Time of First Successful Submission: 2024-05-14 06:47:40

level55

Time of First Successful Submission: 2024-05-14 15:14:38

level56

Time of First Successful Submission: 2024-05-14 15:16:27

level57

Time of First Successful Submission: 2024-05-14 15:21:50

level58

Time of First Successful Submission: 2024-05-14 15:28:24

level59

Time of First Successful Submission: 2024-05-14 15:38:46

level60

Time of First Successful Submission: 2024-05-15 07:20:31

level61

Time of First Successful Submission: 2024-05-15 13:48:08

level62

Time of First Successful Submission: 2024-05-15 13:51:40

level63

Time of First Successful Submission: 2024-05-15 13:54:04

level64

Time of First Successful Submission: 2024-05-15 14:01:08

level65

Time of First Successful Submission: 2024-05-15 14:05:21

level66

Time of First Successful Submission: 2024-05-15 17:28:52

level67

Time of First Successful Submission: 2024-05-15 17:34:05

level68

Time of First Successful Submission: 2024-05-15 17:40:25

level70

Time of First Successful Submission: 2024-05-15 17:59:47

level71

Time of First Successful Submission: 2024-05-15 18:09:13

level72

Time of First Successful Submission: 2024-05-15 18:17:28

level73

Time of First Successful Submission: 2024-05-16 06:53:46

level74

Time of First Successful Submission: 2024-05-16 06:50:37

level76

Time of First Successful Submission: 2024-05-16 06:57:00

level77

Time of First Successful Submission: 2024-05-16 06:58:58

level78

Time of First Successful Submission: 2024-05-16 07:03:58

level79

Time of First Successful Submission: 2024-05-16 07:07:25

level80

Time of First Successful Submission: 2024-05-16 07:18:03

level82

Time of First Successful Submission: 2024-05-16 07:30:07

level83

Time of First Successful Submission: 2024-05-16 13:25:28

level84

Time of First Successful Submission: 2024-05-16 13:38:40

level85

Time of First Successful Submission: 2024-05-16 13:54:44

level86

Time of First Successful Submission: 2024-05-16 14:01:30

level87

Time of First Successful Submission: 2024-05-16 15:32:17

level88

Time of First Successful Submission: 2024-05-16 15:57:21

level89

Time of First Successful Submission: 2024-05-16 15:59:22

level90

Time of First Successful Submission: 2024-05-16 16:10:42

level91

Time of First Successful Submission: 2024-05-16 16:26:55

level92

Time of First Successful Submission: 2024-05-16 16:52:04

level93

Time of First Successful Submission: 2024-05-16 19:27:17

level94

Time of First Successful Submission: 2024-05-16 19:42:28

level95

Time of First Successful Submission: 2024-05-16 19:43:42

level96

Time of First Successful Submission: 2024-05-16 20:03:40

level97

Time of First Successful Submission: 2024-05-16 20:13:42

level98

Time of First Successful Submission: 2024-05-17 04:35:48

level99

Time of First Successful Submission: 2024-05-18 20:36:21

level100

Time of First Successful Submission: 2024-05-18 20:40:16

level101

Time of First Successful Submission: 2024-05-18 20:49:29

level102

Time of First Successful Submission: 2024-05-18 20:51:39

level103

Time of First Successful Submission: 2024-05-19 08:21:30

level104

Time of First Successful Submission: 2024-05-19 08:24:07

level105

Time of First Successful Submission: 2024-05-19 08:28:24

level106

Time of First Successful Submission: 2024-05-19 13:42:20

level107

Time of First Successful Submission: 2024-05-19 13:58:32

level108

Time of First Successful Submission: 2024-05-19 13:59:57

level109

Time of First Successful Submission: 2024-05-19 14:00:51

level110

Time of First Successful Submission: 2024-05-19 14:03:14

level111

Time of First Successful Submission: 2024-05-19 15:58:58

level112

Time of First Successful Submission: 2024-05-20 18:43:22

level113

Time of First Successful Submission: 2024-05-20 19:27:58

level114

Time of First Successful Submission: 2024-05-20 19:31:23

level115

Time of First Successful Submission: 2024-05-20 19:32:52

level116

Time of First Successful Submission: 2024-05-20 20:06:53

level117

Time of First Successful Submission: 2024-05-21 16:16:16

level118

Time of First Successful Submission: 2024-05-21 16:27:14

level119

Time of First Successful Submission: 2024-05-21 17:14:08

level120

Time of First Successful Submission: 2024-05-21 17:20:19

level121

Time of First Successful Submission: 2024-05-21 17:37:46

level122

Time of First Successful Submission: 2024-05-21 17:40:36

level123

Time of First Successful Submission: 2024-05-21 17:45:14

level124

Time of First Successful Submission: 2024-05-21 18:02:59

level125

Time of First Successful Submission: 2024-05-21 19:33:37

level126

Time of First Successful Submission: 2024-05-21 19:49:07

level127

Time of First Successful Submission: 2024-05-22 16:23:47

level128

Time of First Successful Submission: 2024-05-22 16:47:13

level129

Time of First Successful Submission: 2024-05-22 18:19:12

level130

Time of First Successful Submission: 2024-05-22 18:57:48

level131

Time of First Successful Submission: 2024-05-22 19:00:31

level132

Time of First Successful Submission: 2024-05-22 19:11:25

level133

Time of First Successful Submission: 2024-05-22 19:13:29

level134

Time of First Successful Submission: 2024-05-22 19:41:05

level135

Time of First Successful Submission: 2024-05-23 14:55:53

level136

Time of First Successful Submission: 2024-05-23 15:04:27

level137

Time of First Successful Submission: 2024-05-23 15:24:37

level138

Time of First Successful Submission: 2024-05-23 15:49:19

level139

Time of First Successful Submission: 2024-05-24 16:16:31

level140

Time of First Successful Submission: 2024-05-24 17:03:29

level141

Time of First Successful Submission: 2024-05-24 17:07:25

level142

Time of First Successful Submission: 2024-05-24 17:34:34

HTTP (curl)

Time of First Successful Submission: 2024-05-29 16:47:59

HTTP (python)

Time of First Successful Submission: 2024-05-29 17:08:34

URL Encoding (curl)

Time of First Successful Submission: 2024-05-29 20:17:18

URL Encoding (python)

Time of First Successful Submission: 2024-05-30 18:06:53

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-05-30 18:16:58

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-05-30 18:22:30

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-05-30 18:31:10

Multiple Form Fields (python)

Time of First Successful Submission: 2024-05-31 18:02:55

HTTP JSON (curl)

Time of First Successful Submission: 2024-05-29 20:43:46

HTTP JSON (netcat)

Time of First Successful Submission: 2024-05-31 17:10:46

HTTP JSON (python)

Time of First Successful Submission: 2024-05-31 18:06:27

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-05-30 05:37:27

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-05-31 17:14:36

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-05-31 18:09:18

Server State (curl)

Time of First Successful Submission: 2024-05-30 06:05:43

Server State (netcat)

Time of First Successful Submission: 2024-05-31 17:34:07

Level 15

Time of First Successful Submission: 2024-07-20 19:29:37


Intro to Programming Languages

15 / 234 5093 / 28124


Commands

Time of First Successful Submission: 2024-07-20 19:45:50

Command Arguments

Time of First Successful Submission: 2024-07-20 19:46:19

Command History

Time of First Successful Submission: 2025-10-10 19:07:16

The Root Path

Time of First Successful Submission: 2024-07-20 19:46:57

Absolute Paths

Time of First Successful Submission: 2024-05-17 05:20:56

Changing position

Time of First Successful Submission: 2024-05-17 05:22:57

Changing to an Absolute Path

Time of First Successful Submission: 2024-05-17 05:24:29

Relative Paths

Time of First Successful Submission: 2024-05-17 05:27:58

Cat

Time of First Successful Submission: 2024-05-17 06:29:18

Ls

Time of First Successful Submission: 2024-05-17 08:15:40

Ls All

Time of First Successful Submission: 2024-05-17 06:33:28

Find

Time of First Successful Submission: 2024-05-17 09:15:32

Piping Echo

Time of First Successful Submission: 2024-05-17 10:28:08

Piping Stdout

Time of First Successful Submission: 2024-05-18 05:18:22

Piping Stdin

Time of First Successful Submission: 2024-05-18 05:21:49


Intro to Cybersecurity

63 / 183 4530 / 17893


Path Traversal 1

Time of First Successful Submission: 2024-07-18 15:46:56

CMDi 4

Time of First Successful Submission: 2024-07-20 12:49:56

Authentication Bypass 1

Time of First Successful Submission: 2024-07-20 12:56:25

SQLi 2

Time of First Successful Submission: 2024-07-20 13:28:44

SQLi 3

Time of First Successful Submission: 2024-07-20 13:49:37

SQLi 4

Time of First Successful Submission: 2024-07-20 13:59:10

SQLi 5

Time of First Successful Submission: 2024-07-20 15:12:27

XSS 3

Time of First Successful Submission: 2024-07-20 15:23:10

XSS 4

Time of First Successful Submission: 2024-07-20 15:26:42

XSS 5

Time of First Successful Submission: 2024-07-20 15:56:27

CSRF 1

Time of First Successful Submission: 2024-07-20 16:49:16

CSRF 2

Time of First Successful Submission: 2024-07-20 17:17:55

CSRF 4

Time of First Successful Submission: 2024-07-20 17:45:46

CSRF 5

Time of First Successful Submission: 2024-07-20 17:55:44

Connect

Time of First Successful Submission: 2024-06-02 18:04:13

Listen

Time of First Successful Submission: 2024-06-03 06:50:58

Scan 1

Time of First Successful Submission: 2024-06-03 15:45:50

Scan 2

Time of First Successful Submission: 2024-06-03 16:32:22

Monitor 1

Time of First Successful Submission: 2024-06-03 16:52:47

Monitor 2

Time of First Successful Submission: 2024-06-05 15:36:34

Network Configuration

Time of First Successful Submission: 2024-06-05 15:47:09

Ethernet

Time of First Successful Submission: 2024-06-05 16:12:33

IP

Time of First Successful Submission: 2024-06-05 16:18:03

TCP

Time of First Successful Submission: 2024-06-05 16:27:04

TCP Handshake

Time of First Successful Submission: 2024-06-05 16:45:50

ARP

Time of First Successful Submission: 2024-06-05 17:30:47

Intercept

Time of First Successful Submission: 2024-06-05 19:02:36

Man-in-the-Middle

Time of First Successful Submission: 2024-06-06 16:23:14

One-time Pad

Time of First Successful Submission: 2024-06-08 07:21:31

Many-time Pad

Time of First Successful Submission: 2024-06-08 07:26:01

AES

Time of First Successful Submission: 2024-06-08 07:40:30

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2024-07-08 15:37:34

DHKE

Time of First Successful Submission: 2024-07-09 16:08:31

RSA 1

Time of First Successful Submission: 2024-07-10 14:54:50

RSA 2

Time of First Successful Submission: 2024-07-10 15:39:16

RSA 3

Time of First Successful Submission: 2024-07-10 17:03:39

RSA 4

Time of First Successful Submission: 2024-07-10 17:41:11

SHA 1

Time of First Successful Submission: 2024-07-10 16:23:13

SHA 2

Time of First Successful Submission: 2024-07-10 16:55:00

TLS 1

Time of First Successful Submission: 2024-07-11 16:26:23

TLS 2

Time of First Successful Submission: 2024-07-11 17:52:02

level1

Time of First Successful Submission: 2024-07-17 15:56:14

level2

Time of First Successful Submission: 2024-07-17 15:57:25

level3

Time of First Successful Submission: 2024-07-17 15:58:08

level4

Time of First Successful Submission: 2024-07-17 15:59:26

level5

Time of First Successful Submission: 2024-07-17 16:02:10

level6

Time of First Successful Submission: 2024-07-17 16:09:08

level7

Time of First Successful Submission: 2024-07-17 16:10:59

level8

Time of First Successful Submission: 2024-07-17 16:14:36

level9

Time of First Successful Submission: 2024-07-17 16:15:43

level10

Time of First Successful Submission: 2024-07-17 16:18:45

level11

Time of First Successful Submission: 2024-07-17 16:22:14

level12

Time of First Successful Submission: 2024-07-17 16:28:30

level13

Time of First Successful Submission: 2024-07-17 16:29:09

level14

Time of First Successful Submission: 2024-07-17 16:30:01

level15

Time of First Successful Submission: 2024-07-17 16:30:40

level16

Time of First Successful Submission: 2024-07-17 16:32:11

level17

Time of First Successful Submission: 2024-07-17 19:11:58

level18

Time of First Successful Submission: 2024-07-17 19:13:12

level19

Time of First Successful Submission: 2024-07-17 19:14:39

Basic Shellcode

Time of First Successful Submission: 2024-07-21 08:46:58

NOP Sleds

Time of First Successful Submission: 2024-07-21 08:59:12

NULL-Free Shellcode

Time of First Successful Submission: 2024-07-21 09:39:32


Start Here

11 / 12 4579 / 38361


Using the Terminal

Time of First Successful Submission: 2025-10-09 08:13:16

Using the VSCode Workspace

Time of First Successful Submission: 2024-04-13 10:02:52

Using the GUI Desktop

Time of First Successful Submission: 2024-04-13 10:08:04

Pasting into the Desktop

Time of First Successful Submission: 2024-04-13 10:09:57

Restarting Challenges

Time of First Successful Submission: 2024-07-20 19:41:17

Challenge Programs

Time of First Successful Submission: 2024-05-15 13:43:10

The Flag File

Time of First Successful Submission: 2024-04-13 10:12:51

Using Privileged Mode

Time of First Successful Submission: 2024-04-13 10:15:57

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-13 10:18:40

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-13 10:19:47


Linux Luminarium

128 / 128 363 / 28367


Intro to Commands

Time of First Successful Submission: 2024-07-20 19:45:50

Intro to Arguments

Time of First Successful Submission: 2024-07-20 19:46:19

Command History

Time of First Successful Submission: 2025-10-10 19:07:16

The Root

Time of First Successful Submission: 2024-07-20 19:46:57

Program and absolute paths

Time of First Successful Submission: 2024-05-17 05:20:56

Position thy self

Time of First Successful Submission: 2024-05-17 05:22:57

Position elsewhere

Time of First Successful Submission: 2024-05-17 05:24:29

implicit relative paths, from /

Time of First Successful Submission: 2024-05-17 05:27:58

explicit relative paths, from /

Time of First Successful Submission: 2024-05-17 05:29:29

implicit relative path

Time of First Successful Submission: 2024-05-17 05:31:39

home sweet home

Time of First Successful Submission: 2024-05-17 05:34:22

cat: not the pet, but the command!

Time of First Successful Submission: 2024-05-17 06:29:18

catting absolute paths

Time of First Successful Submission: 2024-05-28 16:47:49

more catting practice

Time of First Successful Submission: 2024-05-28 16:54:49

grepping for a needle in a haystack

Time of First Successful Submission: 2024-05-17 06:30:41

comparing files

Time of First Successful Submission: 2025-10-11 20:40:00

listing files

Time of First Successful Submission: 2024-05-17 08:15:40

touching files

Time of First Successful Submission: 2024-05-17 08:18:42

removing files

Time of First Successful Submission: 2024-07-20 19:48:30

moving files

Time of First Successful Submission: 2025-10-11 21:42:12

copying files

Time of First Successful Submission: 2025-11-16 09:16:55

hidden files

Time of First Successful Submission: 2024-05-17 06:33:28

An Epic Filesystem Quest

Time of First Successful Submission: 2024-05-17 08:25:43

making directories

Time of First Successful Submission: 2024-05-17 08:34:18

finding files

Time of First Successful Submission: 2024-05-17 09:15:32

linking files

Time of First Successful Submission: 2025-02-08 18:44:12

Learning From Documentation

Time of First Successful Submission: 2024-05-28 17:03:20

Learning Complex Usage

Time of First Successful Submission: 2024-05-28 17:04:54

Reading Manuals

Time of First Successful Submission: 2024-05-17 09:38:49

Searching Manuals

Time of First Successful Submission: 2024-05-17 09:41:45

Searching For Manuals

Time of First Successful Submission: 2024-05-17 09:46:59

Helpful Programs

Time of First Successful Submission: 2024-05-17 09:49:04

Help for Builtins

Time of First Successful Submission: 2024-05-28 17:06:10

Matching with *

Time of First Successful Submission: 2024-05-17 17:00:36

Matching with ?

Time of First Successful Submission: 2024-05-17 17:24:10

Matching with []

Time of First Successful Submission: 2024-05-17 17:47:07

Matching paths with []

Time of First Successful Submission: 2024-05-17 18:31:47

Multiple globs

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

Mixing globs

Time of First Successful Submission: 2024-05-17 18:34:07

Exclusionary globbing

Time of First Successful Submission: 2024-05-17 18:39:30

Tab completion

Time of First Successful Submission: 2025-10-12 11:09:46

Multiple options for tab completion

Time of First Successful Submission: 2025-10-12 11:12:24

Tab completion on commands

Time of First Successful Submission: 2025-10-12 11:13:05

Redirecting output

Time of First Successful Submission: 2024-05-17 10:28:08

Redirecting more output

Time of First Successful Submission: 2024-05-18 05:18:22

Appending output

Time of First Successful Submission: 2024-05-28 16:57:11

Redirecting errors

Time of First Successful Submission: 2024-05-18 05:20:07

Redirecting input

Time of First Successful Submission: 2024-05-18 05:21:49

Grepping stored results

Time of First Successful Submission: 2024-05-18 05:23:14

Grepping live output

Time of First Successful Submission: 2024-05-18 05:23:52

Grepping errors

Time of First Successful Submission: 2024-05-28 16:59:14

Filtering with grep -v

Time of First Successful Submission: 2025-10-12 13:17:42

Filtering with sed

Time of First Successful Submission: 2025-11-16 09:15:37

Duplicating piped data with tee

Time of First Successful Submission: 2024-05-28 17:02:12

Process substitution for input

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

Writing to multiple programs

Time of First Successful Submission: 2024-07-20 20:01:16

Split-piping stderr and stdout

Time of First Successful Submission: 2025-02-08 18:49:25

Named pipes

Time of First Successful Submission: 2025-10-12 13:50:24

Printing Variables

Time of First Successful Submission: 2024-05-17 13:43:39

Setting Variables

Time of First Successful Submission: 2024-05-17 13:45:39

Multi-word Variables

Time of First Successful Submission: 2024-05-17 13:47:15

Exporting Variables

Time of First Successful Submission: 2024-05-17 13:49:07

Printing Exported Variables

Time of First Successful Submission: 2024-05-17 13:44:13

Storing Command Output

Time of First Successful Submission: 2024-07-20 19:49:37

Reading Input

Time of First Successful Submission: 2024-05-17 20:03:49

Reading Files

Time of First Successful Submission: 2024-05-17 20:05:07

Translating characters

Time of First Successful Submission: 2025-10-12 17:12:11

Deleting characters

Time of First Successful Submission: 2025-10-12 17:21:37

Deleting newlines

Time of First Successful Submission: 2025-10-12 17:23:27

Extracting the first lines with head

Time of First Successful Submission: 2025-10-12 17:24:37

Extracting specific sections of text

Time of First Successful Submission: 2025-10-12 17:26:21

Sorting data

Time of First Successful Submission: 2025-10-12 17:27:26

Listing Processes

Time of First Successful Submission: 2024-05-18 12:09:01

Killing Processes

Time of First Successful Submission: 2024-05-18 12:11:20

Interrupting Processes

Time of First Successful Submission: 2024-05-18 12:16:35

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-12 19:50:18

Suspending Processes

Time of First Successful Submission: 2024-05-18 12:18:04

Resuming Processes

Time of First Successful Submission: 2024-05-18 12:20:30

Backgrounding Processes

Time of First Successful Submission: 2024-05-18 12:25:01

Foregrounding Processes

Time of First Successful Submission: 2024-05-18 12:27:53

Starting Backgrounded Processes

Time of First Successful Submission: 2024-05-18 12:28:21

Process Exit Codes

Time of First Successful Submission: 2025-02-08 20:06:39

Becoming root with su

Time of First Successful Submission: 2024-07-20 20:10:43

Other users with su

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

Cracking passwords

Time of First Successful Submission: 2024-07-20 20:14:24

Using sudo

Time of First Successful Submission: 2024-07-20 20:16:26

Changing File Ownership

Time of First Successful Submission: 2024-05-17 20:30:48

Groups and Files

Time of First Successful Submission: 2024-07-20 20:06:25

Fun With Groups Names

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

Changing Permissions

Time of First Successful Submission: 2024-07-20 20:08:14

Executable Files

Time of First Successful Submission: 2024-05-17 20:32:18

Permission Tweaking Practice

Time of First Successful Submission: 2024-05-17 20:17:45

Permissions Setting Practice

Time of First Successful Submission: 2024-05-28 16:42:40

The SUID Bit

Time of First Successful Submission: 2024-05-17 20:34:16

Chaining with Semicolons

Time of First Successful Submission: 2024-05-18 11:17:54

Building on Success

Time of First Successful Submission: 2025-10-15 07:31:10

Handling Failure

Time of First Successful Submission: 2025-10-15 07:32:46

Your First Shell Script

Time of First Successful Submission: 2024-05-28 16:44:48

Redirecting Script Output

Time of First Successful Submission: 2024-05-28 16:46:29

Executable Shell Scripts

Time of First Successful Submission: 2024-07-20 19:52:06

Understanding Shebangs

Time of First Successful Submission: 2025-10-15 09:16:08

Scripting with Arguments

Time of First Successful Submission: 2025-10-15 09:16:58

Scripting with Conditionals

Time of First Successful Submission: 2025-10-15 09:18:35

Scripting with Default Cases

Time of First Successful Submission: 2025-10-15 09:19:11

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-15 09:21:02

Reading Shell Scripts

Time of First Successful Submission: 2025-10-15 09:22:25

Launching Screen

Time of First Successful Submission: 2025-10-15 10:08:51

Detaching and Attaching

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

Finding Sessions

Time of First Successful Submission: 2025-10-15 10:12:48

Switching Windows

Time of First Successful Submission: 2025-10-15 10:13:47

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-15 10:14:48

Switching Windows (tmux)

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

The PATH Variable

Time of First Successful Submission: 2024-07-20 20:18:43

Setting PATH

Time of First Successful Submission: 2024-07-20 20:19:28

Finding Commands

Time of First Successful Submission: 2025-10-15 10:24:00

Adding Commands

Time of First Successful Submission: 2024-07-20 20:24:49

Hijacking Commands

Time of First Successful Submission: 2024-07-20 20:26:19

Bashrc Backdoor

Time of First Successful Submission: 2025-10-15 10:29:43

Sniffing Input

Time of First Successful Submission: 2025-10-15 10:34:46

Overshared Directories

Time of First Successful Submission: 2025-10-15 11:17:28

Tricky Linking

Time of First Successful Submission: 2025-10-15 11:46:15

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-15 11:48:13

Snooping on Configurations

Time of First Successful Submission: 2025-10-15 11:59:32

The Fork Bomb

Time of First Successful Submission: 2025-10-15 12:27:43

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-15 12:30:08

rm -rf /

Time of First Successful Submission: 2025-10-15 12:33:19

Life after rm -rf /

Time of First Successful Submission: 2025-10-15 12:39:33

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-15 13:05:05


Computing 101

69 / 69 7 / 19404


Your First Register

Time of First Successful Submission: 2025-02-09 10:14:36

Your First Syscall

Time of First Successful Submission: 2025-02-09 10:17:37

Exit Codes

Time of First Successful Submission: 2025-02-09 10:20:51

Building Executables

Time of First Successful Submission: 2025-02-09 10:26:07

Moving Between Registers

Time of First Successful Submission: 2025-02-09 10:30:32

Tracing Syscalls

Time of First Successful Submission: 2025-02-09 10:47:26

Starting GDB

Time of First Successful Submission: 2025-02-09 10:48:42

Starting Programs in GDB

Time of First Successful Submission: 2025-02-09 10:50:26

Loading From Memory

Time of First Successful Submission: 2025-02-10 20:16:53

More Loading Practice

Time of First Successful Submission: 2025-02-10 20:18:39

Dereferencing Pointers

Time of First Successful Submission: 2025-02-10 20:27:38

Dereferencing Yourself

Time of First Successful Submission: 2025-02-11 18:37:50

Dereferencing with Offsets

Time of First Successful Submission: 2025-02-11 18:39:58

Stored Addresses

Time of First Successful Submission: 2025-02-11 18:42:31

Double Dereference

Time of First Successful Submission: 2025-02-11 18:45:07

Triple Dereference

Time of First Successful Submission: 2025-02-11 18:46:23

Writing Output

Time of First Successful Submission: 2025-02-11 18:50:14

Chaining Syscalls

Time of First Successful Submission: 2025-02-11 18:51:39

Writing Strings

Time of First Successful Submission: 2025-02-11 18:53:04

Reading Data

Time of First Successful Submission: 2025-02-11 18:58:48

set-register

Time of First Successful Submission: 2024-05-26 18:55:16

set-multiple-registers

Time of First Successful Submission: 2024-05-27 06:50:04

add-to-register

Time of First Successful Submission: 2024-05-27 07:03:47

linear-equation-registers

Time of First Successful Submission: 2024-05-27 07:17:52

integer-division

Time of First Successful Submission: 2024-05-27 09:31:25

modulo-operation

Time of First Successful Submission: 2024-05-27 09:34:48

set-upper-byte

Time of First Successful Submission: 2024-05-27 09:38:10

efficient-modulo

Time of First Successful Submission: 2024-05-27 09:51:50

byte-extraction

Time of First Successful Submission: 2024-05-27 10:02:27

bitwise-and

Time of First Successful Submission: 2024-05-27 10:12:40

check-even

Time of First Successful Submission: 2024-05-27 14:37:29

memory-read

Time of First Successful Submission: 2024-05-27 14:42:47

memory-write

Time of First Successful Submission: 2024-05-27 14:49:39

memory-increment

Time of First Successful Submission: 2024-05-27 15:06:05

byte-access

Time of First Successful Submission: 2024-05-27 15:14:28

memory-size-access

Time of First Successful Submission: 2024-05-27 15:19:51

little-endian-write

Time of First Successful Submission: 2024-05-27 15:31:43

memory-sum

Time of First Successful Submission: 2024-05-27 15:44:02

stack-subtraction

Time of First Successful Submission: 2024-05-27 16:06:58

swap-stack-values

Time of First Successful Submission: 2024-05-27 16:12:54

average-stack-values

Time of First Successful Submission: 2024-05-27 16:18:09

absolute-jump

Time of First Successful Submission: 2024-05-27 16:26:24

relative-jump

Time of First Successful Submission: 2024-05-27 16:58:52

jump-trampoline

Time of First Successful Submission: 2024-05-27 17:04:49

conditional-jump

Time of First Successful Submission: 2024-05-27 17:47:13

indirect-jump

Time of First Successful Submission: 2024-05-27 18:25:19

average-loop

Time of First Successful Submission: 2024-05-27 18:36:27

count-non-zero

Time of First Successful Submission: 2024-05-27 18:43:21

string-lower

Time of First Successful Submission: 2024-05-27 19:50:36

most-common-byte

Time of First Successful Submission: 2024-05-28 05:41:50

Debugging Programs

Time of First Successful Submission: 2024-05-28 14:20:30

Inspecting Registers

Time of First Successful Submission: 2024-05-28 14:23:20

Examining Memory

Time of First Successful Submission: 2024-05-28 14:35:56

Setting Breakpoints

Time of First Successful Submission: 2024-05-28 14:54:59

GDB Scripting

Time of First Successful Submission: 2024-05-28 15:28:47

Modifying Data

Time of First Successful Submission: 2024-05-28 15:57:41

Modifying Execution

Time of First Successful Submission: 2024-05-28 16:02:04

Broken Functions

Time of First Successful Submission: 2024-05-28 16:21:07

Exit

Time of First Successful Submission: 2024-06-01 06:53:25

Socket

Time of First Successful Submission: 2024-06-01 07:10:05

Bind

Time of First Successful Submission: 2024-06-01 07:41:33

Listen

Time of First Successful Submission: 2024-06-01 08:14:14

Accept

Time of First Successful Submission: 2024-06-01 08:19:44

Static Response

Time of First Successful Submission: 2024-06-01 08:40:02

Dynamic Response

Time of First Successful Submission: 2024-06-01 18:56:05

Iterative GET Server

Time of First Successful Submission: 2024-06-01 19:17:16

Concurrent GET Server

Time of First Successful Submission: 2024-06-02 10:55:25

Concurrent POST Server

Time of First Successful Submission: 2024-06-02 13:11:37

Web Server

Time of First Successful Submission: 2024-06-02 13:40:01


Playing With Programs

116 / 116 54 / 22221


What's the password?

Time of First Successful Submission: 2025-02-22 18:28:28

... and again!

Time of First Successful Submission: 2025-02-22 18:29:07

Newline Troubles

Time of First Successful Submission: 2025-02-22 18:31:30

Reasoning about files

Time of First Successful Submission: 2025-02-22 18:37:16

Specifying Filenames

Time of First Successful Submission: 2025-02-22 18:39:00

Binary and Hex Encoding

Time of First Successful Submission: 2025-02-22 18:56:45

More Hex

Time of First Successful Submission: 2025-02-22 19:01:07

Decoding Hex

Time of First Successful Submission: 2025-02-22 19:08:46

Decoding Practice

Time of First Successful Submission: 2025-02-23 08:33:53

Encoding Practice

Time of First Successful Submission: 2025-02-23 08:48:27

Hex-encoding ASCII

Time of First Successful Submission: 2025-02-23 08:59:31

Nested Encoding

Time of First Successful Submission: 2025-02-27 18:25:06

Hex-encoding UTF-8

Time of First Successful Submission: 2025-02-27 19:18:27

UTF Mixups

Time of First Successful Submission: 2025-02-27 19:39:20

Modifying Encoded Data

Time of First Successful Submission: 2025-02-27 19:51:07

Decoding Base64

Time of First Successful Submission: 2024-06-07 20:18:46

Encoding Base64

Time of First Successful Submission: 2025-02-27 19:58:12

Dealing with Obfuscation

Time of First Successful Submission: 2025-02-27 20:07:25

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-02-27 20:19:40

Your First HTTP Request

Time of First Successful Submission: 2025-03-01 17:24:42

Reading Flask

Time of First Successful Submission: 2025-03-01 17:27:29

Commented Data

Time of First Successful Submission: 2025-03-01 17:32:38

HTTP Metadata

Time of First Successful Submission: 2025-03-01 17:39:38

HTTP (netcat)

Time of First Successful Submission: 2024-05-29 17:01:50

HTTP Paths (netcat)

Time of First Successful Submission: 2024-05-30 17:59:01

HTTP (curl)

Time of First Successful Submission: 2024-05-29 19:58:56

HTTP (python)

Time of First Successful Submission: 2024-05-30 18:05:05

HTTP Host Header (python)

Time of First Successful Submission: 2024-05-30 17:53:09

HTTP Host Header (curl)

Time of First Successful Submission: 2024-05-29 19:51:35

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-05-30 17:47:07

URL Encoding (netcat)

Time of First Successful Submission: 2024-05-30 18:11:32

HTTP GET Parameters

Time of First Successful Submission: 2024-05-29 20:24:41

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-05-30 18:27:53

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-05-29 20:27:59

HTTP Forms

Time of First Successful Submission: 2025-03-01 17:47:35

HTTP Forms (curl)

Time of First Successful Submission: 2024-05-29 20:33:59

HTTP Forms (netcat)

Time of First Successful Submission: 2024-05-31 15:44:01

HTTP Forms (python)

Time of First Successful Submission: 2024-05-31 17:59:31

HTTP Forms Without Forms

Time of First Successful Submission: 2025-03-01 20:19:30

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-05-29 20:37:34

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-05-31 15:53:50

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-05-31 17:18:07

HTTP Redirects (curl)

Time of First Successful Submission: 2024-05-30 05:50:32

HTTP Redirects (python)

Time of First Successful Submission: 2024-05-31 18:11:38

HTTP Cookies (curl)

Time of First Successful Submission: 2024-05-30 05:58:59

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-05-31 17:27:32

HTTP Cookies (python)

Time of First Successful Submission: 2024-05-31 18:15:30

Server State (python)

Time of First Successful Submission: 2024-05-31 18:20:07

Listening Web

Time of First Successful Submission: 2025-03-01 18:11:45

Speaking Redirects

Time of First Successful Submission: 2025-03-01 18:22:02

JavaScript Redirects

Time of First Successful Submission: 2025-03-01 19:29:33

Including JavaScript

Time of First Successful Submission: 2025-03-01 22:06:11

HTTP (javascript)

Time of First Successful Submission: 2025-03-02 08:58:07

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-03-02 09:05:19

HTTP Forms (javascript)

Time of First Successful Submission: 2025-03-02 09:29:09

cat

Time of First Successful Submission: 2024-04-13 14:19:34

more

Time of First Successful Submission: 2024-04-13 14:20:32

less

Time of First Successful Submission: 2024-04-13 14:21:22

tail

Time of First Successful Submission: 2024-04-13 14:22:39

head

Time of First Successful Submission: 2024-04-13 14:23:32

sort

Time of First Successful Submission: 2024-04-13 14:24:39

vim

Time of First Successful Submission: 2024-04-13 14:25:25

emacs

Time of First Successful Submission: 2024-04-13 14:26:52

nano

Time of First Successful Submission: 2024-04-13 14:27:34

rev

Time of First Successful Submission: 2024-04-13 14:29:26

od

Time of First Successful Submission: 2024-04-13 14:50:56

hd

Time of First Successful Submission: 2024-04-14 06:00:12

xxd

Time of First Successful Submission: 2024-04-14 06:02:45

base32

Time of First Successful Submission: 2024-04-14 06:04:10

base64

Time of First Successful Submission: 2024-04-14 06:06:42

split

Time of First Successful Submission: 2024-04-14 06:21:02

gzip

Time of First Successful Submission: 2024-04-14 06:56:15

bzip2

Time of First Successful Submission: 2024-04-14 06:59:05

zip

Time of First Successful Submission: 2024-04-14 07:07:40

tar

Time of First Successful Submission: 2024-04-14 07:42:05

ar

Time of First Successful Submission: 2024-04-14 07:48:13

cpio

Time of First Successful Submission: 2024-04-14 07:58:11

genisoimage

Time of First Successful Submission: 2024-04-14 10:05:30

env

Time of First Successful Submission: 2024-04-14 10:10:01

find

Time of First Successful Submission: 2024-04-14 10:17:03

make

Time of First Successful Submission: 2024-04-14 10:24:46

nice

Time of First Successful Submission: 2024-04-14 18:54:43

timeout

Time of First Successful Submission: 2024-04-14 18:58:17

stdbuf

Time of First Successful Submission: 2024-04-14 19:20:33

setarch

Time of First Successful Submission: 2024-04-14 19:17:19

watch

Time of First Successful Submission: 2024-04-14 19:13:46

socat

Time of First Successful Submission: 2024-04-14 19:09:53

whiptail

Time of First Successful Submission: 2024-04-15 14:47:41

awk

Time of First Successful Submission: 2024-04-15 14:53:00

sed

Time of First Successful Submission: 2024-04-15 15:53:50

ed

Time of First Successful Submission: 2024-04-15 15:54:58

chown

Time of First Successful Submission: 2024-04-16 10:01:05

chmod

Time of First Successful Submission: 2024-04-16 10:03:11

cp

Time of First Successful Submission: 2024-04-16 10:09:19

mv

Time of First Successful Submission: 2024-04-16 10:37:21

perl

Time of First Successful Submission: 2024-04-16 15:53:57

python

Time of First Successful Submission: 2024-04-16 16:09:36

ruby

Time of First Successful Submission: 2024-04-16 16:11:39

bash

Time of First Successful Submission: 2024-04-16 16:32:08

date

Time of First Successful Submission: 2024-04-16 16:35:28

dmesg

Time of First Successful Submission: 2024-04-16 16:43:13

wc

Time of First Successful Submission: 2024-04-16 17:01:20

gcc

Time of First Successful Submission: 2024-04-16 17:03:52

as

Time of First Successful Submission: 2024-04-16 17:04:36

wget

Time of First Successful Submission: 2024-04-16 17:45:06

ssh-keygen

Time of First Successful Submission: 2024-04-17 14:43:11

SQL Queries

Time of First Successful Submission: 2025-03-01 10:36:49

Filtering SQL

Time of First Successful Submission: 2025-03-01 10:59:37

Choosing Columns

Time of First Successful Submission: 2025-03-01 11:04:10

Exclusionary Filtering

Time of First Successful Submission: 2025-03-01 11:22:05

Filtering Strings

Time of First Successful Submission: 2025-03-01 11:28:02

Filtering on Expressions

Time of First Successful Submission: 2025-03-01 11:45:23

SELECTing Expressions

Time of First Successful Submission: 2025-03-01 12:44:08

Composite Conditions

Time of First Successful Submission: 2025-03-01 12:47:26

Reaching Your LIMITs

Time of First Successful Submission: 2025-03-01 12:52:46

Querying Metadata

Time of First Successful Submission: 2025-03-01 12:55:08


CybHer Dojo

11 / 104 4689 / 38578


Using the Terminal

Time of First Successful Submission: 2025-10-09 08:13:16

Using the VSCode Workspace

Time of First Successful Submission: 2024-04-13 10:02:52

Using the GUI Desktop

Time of First Successful Submission: 2024-04-13 10:08:04

Pasting into the Desktop

Time of First Successful Submission: 2024-04-13 10:09:57

Restarting Challenges

Time of First Successful Submission: 2024-07-20 19:41:17

Getting Help

Time of First Successful Submission: 2024-07-20 19:42:21

Challenge Programs

Time of First Successful Submission: 2024-05-15 13:43:10

The Flag File

Time of First Successful Submission: 2024-04-13 10:12:51

Using Privileged Mode

Time of First Successful Submission: 2024-04-13 10:15:57

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-13 10:18:40

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-13 10:19:47


GCA CTF

11 / 104 4689 / 38578


Using the Terminal

Time of First Successful Submission: 2025-10-09 08:13:16

Using the VSCode Workspace

Time of First Successful Submission: 2024-04-13 10:02:52

Using the GUI Desktop

Time of First Successful Submission: 2024-04-13 10:08:04

Pasting into the Desktop

Time of First Successful Submission: 2024-04-13 10:09:57

Restarting Challenges

Time of First Successful Submission: 2024-07-20 19:41:17

Getting Help

Time of First Successful Submission: 2024-07-20 19:42:21

Challenge Programs

Time of First Successful Submission: 2024-05-15 13:43:10

The Flag File

Time of First Successful Submission: 2024-04-13 10:12:51

Using Privileged Mode

Time of First Successful Submission: 2024-04-13 10:15:57

Persistent Home Directories - One

Time of First Successful Submission: 2024-04-13 10:18:40

Persistent Home Directories - Two

Time of First Successful Submission: 2024-04-13 10:19:47