level1

Time of First Successful Submission: 2024-01-18 10:12:34

level2

Time of First Successful Submission: 2024-01-18 10:14:35

level3

Time of First Successful Submission: 2024-01-18 10:19:26

level4

Time of First Successful Submission: 2024-01-18 10:21:20

level5

Time of First Successful Submission: 2024-01-18 10:22:47

level6

Time of First Successful Submission: 2024-01-18 10:24:15

level7

Time of First Successful Submission: 2024-01-18 10:34:25

level8

Time of First Successful Submission: 2024-01-18 10:39:05

level9

Time of First Successful Submission: 2024-01-18 10:42:35

level10

Time of First Successful Submission: 2024-01-18 10:45:12

level11

Time of First Successful Submission: 2024-01-18 10:49:53

level12

Time of First Successful Submission: 2024-01-18 10:55:46

level13

Time of First Successful Submission: 2024-01-18 10:56:56

level14

Time of First Successful Submission: 2024-01-20 10:11:05

level15

Time of First Successful Submission: 2024-01-18 11:18:53

level16

Time of First Successful Submission: 2024-01-18 11:21:47

level17

Time of First Successful Submission: 2024-01-18 11:27:07

level18

Time of First Successful Submission: 2024-01-18 11:32:06

level19

Time of First Successful Submission: 2024-01-18 11:34:51

level20

Time of First Successful Submission: 2024-01-18 11:39:52

level21

Time of First Successful Submission: 2024-01-18 11:42:06

level22

Time of First Successful Submission: 2024-01-18 11:47:34

level23

Time of First Successful Submission: 2024-01-18 11:49:30

level24

Time of First Successful Submission: 2024-01-18 11:56:37

level25

Time of First Successful Submission: 2024-01-18 11:59:42

level26

Time of First Successful Submission: 2024-01-19 01:14:07

level27

Time of First Successful Submission: 2024-01-19 01:18:23

level28

Time of First Successful Submission: 2024-01-19 01:33:27

level29

Time of First Successful Submission: 2024-01-19 02:45:51

level30

Time of First Successful Submission: 2024-01-19 02:50:58

level31

Time of First Successful Submission: 2024-01-19 03:06:46

level32

Time of First Successful Submission: 2024-01-19 03:10:41

level33

Time of First Successful Submission: 2024-01-19 03:15:59

level34

Time of First Successful Submission: 2024-01-19 03:17:51

level35

Time of First Successful Submission: 2024-01-19 03:34:46

level36

Time of First Successful Submission: 2024-01-19 03:38:28

level37

Time of First Successful Submission: 2024-01-19 03:41:31

level38

Time of First Successful Submission: 2024-01-19 03:43:43

level39

Time of First Successful Submission: 2024-01-19 03:46:07

level40

Time of First Successful Submission: 2024-01-19 03:57:52

level41

Time of First Successful Submission: 2024-01-19 04:07:24

level42

Time of First Successful Submission: 2024-01-19 04:13:22

level43

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

level44

Time of First Successful Submission: 2024-01-20 01:22:06

level45

Time of First Successful Submission: 2024-01-20 01:27:22

level46

Time of First Successful Submission: 2024-01-20 01:29:09

level47

Time of First Successful Submission: 2024-01-20 01:30:41

level48

Time of First Successful Submission: 2024-01-20 01:54:07

level49

Time of First Successful Submission: 2024-01-20 01:56:45

level50

Time of First Successful Submission: 2024-01-20 01:58:48

level51

Time of First Successful Submission: 2024-01-20 02:01:09

level52

Time of First Successful Submission: 2024-01-20 10:21:28

level53

Time of First Successful Submission: 2024-01-20 10:24:15

level54

Time of First Successful Submission: 2024-01-20 02:51:24

level55

Time of First Successful Submission: 2024-01-20 02:53:37

level56

Time of First Successful Submission: 2024-01-20 02:55:01

level57

Time of First Successful Submission: 2024-01-20 02:57:24

level58

Time of First Successful Submission: 2024-01-20 03:02:38

level59

Time of First Successful Submission: 2024-01-20 03:03:54

level60

Time of First Successful Submission: 2024-01-20 03:13:53

level61

Time of First Successful Submission: 2024-01-20 03:15:32

level62

Time of First Successful Submission: 2024-01-20 03:17:46

level63

Time of First Successful Submission: 2024-01-20 03:18:55

level64

Time of First Successful Submission: 2024-01-20 03:22:11

level65

Time of First Successful Submission: 2024-01-20 03:23:58

level66

Time of First Successful Submission: 2024-01-20 03:25:37

level67

Time of First Successful Submission: 2024-01-20 03:27:35

level68

Time of First Successful Submission: 2024-01-20 03:30:49

level70

Time of First Successful Submission: 2024-01-20 10:26:45

level71

Time of First Successful Submission: 2024-01-20 10:29:20

level72

Time of First Successful Submission: 2024-01-20 04:00:28

level73

Time of First Successful Submission: 2024-01-20 10:56:16

level74

Time of First Successful Submission: 2024-01-20 11:03:31

level76

Time of First Successful Submission: 2024-01-20 11:06:39

level77

Time of First Successful Submission: 2024-01-20 11:08:56

level78

Time of First Successful Submission: 2024-01-20 11:15:49

level79

Time of First Successful Submission: 2024-01-20 11:20:52

level80

Time of First Successful Submission: 2024-01-20 11:34:02

level82

Time of First Successful Submission: 2024-01-20 11:40:28

level83

Time of First Successful Submission: 2024-01-20 11:47:30

level84

Time of First Successful Submission: 2024-01-20 12:02:05

level85

Time of First Successful Submission: 2024-01-20 12:05:26

level86

Time of First Successful Submission: 2024-01-20 12:06:50

level87

Time of First Successful Submission: 2024-01-20 12:24:57

level88

Time of First Successful Submission: 2024-01-20 12:34:39

level89

Time of First Successful Submission: 2024-01-20 12:37:40

level90

Time of First Successful Submission: 2024-01-20 12:40:04

level91

Time of First Successful Submission: 2024-01-20 13:02:29

level92

Time of First Successful Submission: 2024-01-20 13:17:34

level93

Time of First Successful Submission: 2024-01-20 13:30:57

level94

Time of First Successful Submission: 2024-01-20 13:34:08

level95

Time of First Successful Submission: 2024-01-20 13:35:27

level96

Time of First Successful Submission: 2024-01-20 13:38:58

level97

Time of First Successful Submission: 2024-01-20 13:41:12

level98

Time of First Successful Submission: 2024-01-20 14:05:47

level99

Time of First Successful Submission: 2024-01-20 14:07:48

level100

Time of First Successful Submission: 2024-01-20 14:11:59

level101

Time of First Successful Submission: 2024-01-21 04:02:46

level102

Time of First Successful Submission: 2024-01-21 04:05:14

level103

Time of First Successful Submission: 2024-01-21 04:12:15

level104

Time of First Successful Submission: 2024-01-21 04:14:43

level105

Time of First Successful Submission: 2024-01-21 04:17:20

level106

Time of First Successful Submission: 2024-01-21 04:22:13

level107

Time of First Successful Submission: 2024-01-21 04:33:54

level108

Time of First Successful Submission: 2024-01-21 04:39:56

level109

Time of First Successful Submission: 2024-01-21 04:41:19

level110

Time of First Successful Submission: 2024-01-21 04:43:26

level111

Time of First Successful Submission: 2024-01-21 04:46:13

level112

Time of First Successful Submission: 2024-01-21 04:50:00

level113

Time of First Successful Submission: 2024-01-21 04:52:17

level114

Time of First Successful Submission: 2024-01-21 04:58:58

level115

Time of First Successful Submission: 2024-01-21 05:00:19

level116

Time of First Successful Submission: 2024-01-21 05:02:17

level117

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

level118

Time of First Successful Submission: 2024-01-21 05:08:23

level119

Time of First Successful Submission: 2024-01-21 05:11:07

level120

Time of First Successful Submission: 2024-01-21 05:13:00

level121

Time of First Successful Submission: 2024-01-21 05:15:17

level122

Time of First Successful Submission: 2024-01-21 05:17:00

level123

Time of First Successful Submission: 2024-01-21 05:25:28

level124

Time of First Successful Submission: 2024-01-21 05:27:30

HTTP (curl)

Time of First Successful Submission: 2024-01-23 03:21:10

HTTP (python)

Time of First Successful Submission: 2024-01-23 03:25:34

URL Encoding (curl)

Time of First Successful Submission: 2024-01-23 03:39:35

URL Encoding (python)

Time of First Successful Submission: 2024-01-23 03:53:25

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-01-23 03:57:38

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-01-23 03:59:20

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-01-23 04:05:52

Multiple Form Fields (python)

Time of First Successful Submission: 2024-01-23 04:26:24

HTTP JSON (curl)

Time of First Successful Submission: 2024-01-23 04:29:06

HTTP JSON (netcat)

Time of First Successful Submission: 2024-01-23 04:46:09

HTTP JSON (python)

Time of First Successful Submission: 2024-01-23 04:49:27

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-01-23 04:59:22

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-01-23 05:03:12

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-01-23 05:06:52

Server State (curl)

Time of First Successful Submission: 2024-01-23 09:52:48

Server State (netcat)

Time of First Successful Submission: 2025-02-23 03:05:04

Twisted Text (Easy)

Time of First Successful Submission: 2025-02-23 09:31:09

Twisted Text (Hard)

Time of First Successful Submission: 2025-02-23 09:43:48

Tidy Task (Easy)

Time of First Successful Submission: 2025-02-23 09:51:47

Tidy Task (Hard)

Time of First Successful Submission: 2025-02-23 09:53:47

Logical License (Easy)

Time of First Successful Submission: 2025-02-23 10:02:24

Logical License (Hard)

Time of First Successful Submission: 2025-02-23 10:04:09

Modest Mangler (Easy)

Time of First Successful Submission: 2025-02-23 11:17:34

Modest Mangler (Hard)

Time of First Successful Submission: 2025-02-23 11:51:19

Triple Dereference

Time of First Successful Submission: 2025-01-12 08:26:37

Language Barrier

Time of First Successful Submission: 2025-03-01 12:19:01

Baby Steps

Time of First Successful Submission: 2025-03-01 12:20:57

Roman Cryptography

Time of First Successful Submission: 2025-03-01 12:23:31

Obscura

Time of First Successful Submission: 2025-03-01 12:25:17

XOR

Time of First Successful Submission: 2025-03-01 12:31:33

XOR 2.0

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

CRYPTO - 100 - 1

Time of First Successful Submission: 2025-03-19 12:47:31

CRYPTO - 100 - 2

Time of First Successful Submission: 2025-03-19 12:49:27

CRYPTO - 100 - 3

Time of First Successful Submission: 2025-03-19 12:50:22

CRYPTO - 100 - 4

Time of First Successful Submission: 2025-03-19 12:51:13

CRYPTO - 200 - 5

Time of First Successful Submission: 2025-03-19 12:51:55

CRYPTO - 200 - 6

Time of First Successful Submission: 2025-03-19 12:54:29

CRYPTO - 200 - 7

Time of First Successful Submission: 2025-03-19 12:58:09

CRYPTO - 300 - 8

Time of First Successful Submission: 2025-03-19 13:01:56

CRYPTO - 300 - 9

Time of First Successful Submission: 2025-03-19 13:02:48

REV - 400

Time of First Successful Submission: 2025-03-19 13:39:21

Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-02-03 01:40:23

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2026-02-03 01:42:22

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2026-02-03 01:46:11

Lecture 1.3. Linux File System

Time of First Successful Submission: 2026-02-03 01:53:15

Lecture 1.4. Executing Programs

Time of First Successful Submission: 2026-02-03 02:07:05

Lecture 1.5. Common Commands

Time of First Successful Submission: 2026-02-03 02:17:50

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2026-02-10 03:42:23

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2026-02-10 03:43:51

Lecture 1.6. Redirection of I/O

Time of First Successful Submission: 2026-02-10 03:48:28

Lab 1.6 - Using grep and pipe

Time of First Successful Submission: 2026-02-10 03:57:14

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-02-03 02:19:45

Commands

Time of First Successful Submission: 2025-01-11 13:29:52

Command Arguments

Time of First Successful Submission: 2025-01-11 13:31:06

Command History

Time of First Successful Submission: 2025-06-22 12:55:17

The Root Path

Time of First Successful Submission: 2025-01-11 13:32:06

Absolute Paths

Time of First Successful Submission: 2025-01-11 13:33:27

Changing position

Time of First Successful Submission: 2025-01-11 13:36:21

Changing to an Absolute Path

Time of First Successful Submission: 2025-01-11 13:37:32

Relative Paths

Time of First Successful Submission: 2025-01-11 13:57:17

P1.0 Level 5 read

Time of First Successful Submission: 2026-01-16 12:14:41

Cat

Time of First Successful Submission: 2025-01-11 14:44:14

Ls

Time of First Successful Submission: 2025-01-11 14:49:42

Ls All

Time of First Successful Submission: 2025-01-11 14:58:48

P1.0 Level 2 list dir

Time of First Successful Submission: 2026-01-16 12:23:07

Find

Time of First Successful Submission: 2025-01-11 15:09:25

P1.0 Level 3 change dir

Time of First Successful Submission: 2026-02-03 02:21:26

P1.0 Level 4 move

Time of First Successful Submission: 2026-02-03 02:23:46

P1.0 Level 6 grep

Time of First Successful Submission: 2026-02-03 02:24:38

P1.0 Level 7 execute

Time of First Successful Submission: 2026-02-03 02:25:32

Piping Echo

Time of First Successful Submission: 2025-01-12 02:14:52

Piping Stdout

Time of First Successful Submission: 2025-01-12 02:16:37

Piping Stdin

Time of First Successful Submission: 2025-01-12 02:22:34

P1.0 Level 8 stdin

Time of First Successful Submission: 2026-02-03 02:26:51

P1.0 Level 9 pipe

Time of First Successful Submission: 2026-02-03 02:28:32

P1.0 Level 10 args

Time of First Successful Submission: 2026-02-03 02:29:28

The Transient Path

Time of First Successful Submission: 2025-02-14 11:40:41

Ferocious Functionality

Time of First Successful Submission: 2025-02-14 11:52:26

The Surprising Swap

Time of First Successful Submission: 2025-02-14 12:29:05

Path of the Unquoted

Time of First Successful Submission: 2025-02-14 12:37:28

Globbing Harmony

Time of First Successful Submission: 2025-03-31 11:23:43

Zen of Expansion

Time of First Successful Submission: 2025-02-17 13:41:23

Way of the Wildcard

Time of First Successful Submission: 2025-02-17 13:41:54

Saga of the Sneaky Similarity

Time of First Successful Submission: 2025-02-23 03:42:33

Enigma of the Environment

Time of First Successful Submission: 2026-01-13 12:23:29

Voyage of the Variable

Time of First Successful Submission: 2026-01-14 03:14:25

Dance of the Delimiters

Time of First Successful Submission: 2026-01-14 03:14:46

Symphony of Separation

Time of First Successful Submission: 2026-01-14 03:15:19

Saga of Sanitization

Time of First Successful Submission: 2026-01-14 07:57:51

Tale of the Test

Time of First Successful Submission: 2026-01-14 07:58:36

Echoes in Silence

Time of First Successful Submission: 2026-02-05 02:09:29

Shell Sorcery

Time of First Successful Submission: 2025-04-04 03:33:11

The Commanded Condition

Time of First Successful Submission: 2026-02-05 00:56:46

Index of Insanity

Time of First Successful Submission: 2025-02-17 14:03:46

Rhythm of Restriction

Time of First Successful Submission: 2025-02-15 02:44:34

Odyssey of the Octal

Time of First Successful Submission: 2025-02-15 02:47:37

Riddle of the Radix

Time of First Successful Submission: 2025-04-02 12:07:44

Whisper of the Withheld

Time of First Successful Submission: 2025-04-02 12:12:24

Path of the Unseen

Time of First Successful Submission: 2025-04-02 13:10:41

Precision of Parameters

Time of First Successful Submission: 2026-01-17 13:23:03

Brevity's Enigma

Time of First Successful Submission: 2026-01-17 13:22:30

Essense of Economy

Time of First Successful Submission: 2026-01-17 13:20:41

Mirage of Minimalism

Time of First Successful Submission: 2026-01-17 13:21:36

Script of the Silent

Time of First Successful Submission: 2026-01-17 13:04:29

The Dangling Danger

Time of First Successful Submission: 2026-01-17 12:58:10

The Evil End

Time of First Successful Submission: 2026-01-17 12:57:28

An Eroded Erasure

Time of First Successful Submission: 2026-01-17 12:54:35

Secrets of the Processes

Time of First Successful Submission: 2026-01-16 13:25:47

Puzzle of the Perverse Predicates

Time of First Successful Submission: 2026-01-16 23:07:14

The Scream of Silence

Time of First Successful Submission: 2026-01-17 02:15:29

Beam me up, Sensei

Time of First Successful Submission: 2026-01-17 02:20:24

Path Traversal 1

Time of First Successful Submission: 2025-02-15 02:18:32

CMDi 1

Time of First Successful Submission: 2025-02-15 08:42:27

CMDi 2

Time of First Successful Submission: 2025-02-15 08:58:10

CMDi 3

Time of First Successful Submission: 2025-02-15 09:13:44

CMDi 4

Time of First Successful Submission: 2025-02-15 09:54:32

CMDi 5

Time of First Successful Submission: 2025-02-15 10:41:08

CMDi 6

Time of First Successful Submission: 2025-02-15 10:50:54

Authentication Bypass 1

Time of First Successful Submission: 2025-03-31 10:14:18

Authentication Bypass 2

Time of First Successful Submission: 2025-03-31 10:15:49

SQLi 1

Time of First Successful Submission: 2025-03-31 10:37:48

Connect

Time of First Successful Submission: 2025-02-16 07:00:33

Send

Time of First Successful Submission: 2025-04-10 12:12:18

Shutdown

Time of First Successful Submission: 2025-04-10 12:15:48

Listen

Time of First Successful Submission: 2025-02-16 07:01:04

Scan 1

Time of First Successful Submission: 2025-04-10 12:22:21

Scan 2

Time of First Successful Submission: 2025-04-10 12:55:26

Monitor 1

Time of First Successful Submission: 2025-04-10 12:56:31

XOR

Time of First Successful Submission: 2025-03-21 10:37:54

XORing Hex

Time of First Successful Submission: 2025-03-21 10:41:58

XORing ASCII

Time of First Successful Submission: 2025-03-21 10:44:22

One-time Pad

Time of First Successful Submission: 2025-04-09 10:15:02

Many-time Pad

Time of First Successful Submission: 2025-04-09 10:28:10

AES

Time of First Successful Submission: 2025-04-09 10:30:15

level1

Time of First Successful Submission: 2025-02-18 04:14:31

level2

Time of First Successful Submission: 2025-02-18 04:14:59

level3

Time of First Successful Submission: 2025-02-18 04:15:28

level4

Time of First Successful Submission: 2025-02-18 04:15:48

level5

Time of First Successful Submission: 2025-02-18 04:16:33

level6

Time of First Successful Submission: 2025-02-18 04:17:08

level7

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

level8

Time of First Successful Submission: 2025-02-18 04:21:24

level9

Time of First Successful Submission: 2025-02-18 04:23:39

level10

Time of First Successful Submission: 2025-02-18 04:24:51

level11

Time of First Successful Submission: 2025-02-18 04:26:53

level12

Time of First Successful Submission: 2025-02-18 04:29:32

level13

Time of First Successful Submission: 2025-02-18 04:31:52

level14

Time of First Successful Submission: 2025-02-18 04:34:53

level15

Time of First Successful Submission: 2025-02-18 04:35:30

level16

Time of First Successful Submission: 2025-02-18 04:37:36

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-07-25 03:48:08

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-07-25 03:50:01

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-03-21 11:03:27

Reading Endianness (Python)

Time of First Successful Submission: 2025-07-25 04:00:21

Reading Endianness (C)

Time of First Successful Submission: 2025-07-25 04:22:59

Reading Endianness (x86)

Time of First Successful Submission: 2025-03-21 11:08:13

Version Information (Python)

Time of First Successful Submission: 2025-07-25 04:37:49

Version Information (x86)

Time of First Successful Submission: 2025-03-21 11:18:07

Your First Overflow (easy)

Time of First Successful Submission: 2025-03-29 05:43:12

Your First Overflow (hard)

Time of First Successful Submission: 2025-03-29 05:45:00

Precision (easy)

Time of First Successful Submission: 2025-03-29 05:53:15

Precision (hard)

Time of First Successful Submission: 2025-03-29 06:01:08

Variable Control (easy)

Time of First Successful Submission: 2025-03-30 00:33:36

Variable Control (hard)

Time of First Successful Submission: 2025-03-30 00:41:10

Control Hijack (easy)

Time of First Successful Submission: 2025-03-30 00:46:56

Control Hijack (hard)

Time of First Successful Submission: 2025-03-30 00:52:01

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-03-30 01:11:52

Tricky Control Hijack (hard)

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

PIEs (easy)

Time of First Successful Submission: 2025-03-30 01:37:38

PIEs (hard)

Time of First Successful Submission: 2025-03-30 01:43:00

Terrible Token (Easy)

Time of First Successful Submission: 2025-02-18 04:51:57

Terrible Token (Hard)

Time of First Successful Submission: 2025-02-23 09:01:07

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-02-23 09:07:44

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-02-23 09:28:46

Meager Mangler (Easy)

Time of First Successful Submission: 2025-02-23 10:47:38

Meager Mangler (Hard)

Time of First Successful Submission: 2025-02-23 10:55:09

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-02-23 23:51:26

chroot-escape-basic

Time of First Successful Submission: 2025-02-27 09:25:28

Using the Terminal

Time of First Successful Submission: 2025-11-13 09:06:30

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-14 07:11:55

Using the GUI Desktop

Time of First Successful Submission: 2024-01-14 07:23:41

Pasting into the Desktop

Time of First Successful Submission: 2024-01-14 08:00:15

Restarting Challenges

Time of First Successful Submission: 2025-01-11 13:14:09

Challenge Programs

Time of First Successful Submission: 2025-01-11 13:24:54

The Flag File

Time of First Successful Submission: 2024-01-14 07:43:14

Using Privileged Mode

Time of First Successful Submission: 2024-01-14 07:46:56

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-14 07:50:42

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-14 07:52:50

Intro to Commands

Time of First Successful Submission: 2025-01-11 13:29:52

Intro to Arguments

Time of First Successful Submission: 2025-01-11 13:31:06

Command History

Time of First Successful Submission: 2025-06-22 12:55:17

The Root

Time of First Successful Submission: 2025-01-11 13:32:06

Program and absolute paths

Time of First Successful Submission: 2025-01-11 13:33:27

Position thy self

Time of First Successful Submission: 2025-01-11 13:36:21

Position elsewhere

Time of First Successful Submission: 2025-01-11 13:37:32

implicit relative paths, from /

Time of First Successful Submission: 2025-01-11 13:57:17

explicit relative paths, from /

Time of First Successful Submission: 2025-01-11 14:00:16

implicit relative path

Time of First Successful Submission: 2025-01-11 14:07:28

home sweet home

Time of First Successful Submission: 2025-01-11 14:10:14

cat: not the pet, but the command!

Time of First Successful Submission: 2025-01-11 14:44:14

catting absolute paths

Time of First Successful Submission: 2025-01-11 14:45:15

more catting practice

Time of First Successful Submission: 2025-01-11 14:46:34

grepping for a needle in a haystack

Time of First Successful Submission: 2025-01-11 14:48:06

comparing files

Time of First Successful Submission: 2025-11-13 09:09:58

listing files

Time of First Successful Submission: 2025-01-11 14:49:42

touching files

Time of First Successful Submission: 2025-01-11 14:50:57

removing files

Time of First Successful Submission: 2025-01-11 14:53:27

moving files

Time of First Successful Submission: 2025-06-22 12:56:41

copying files

Time of First Successful Submission: 2025-11-13 09:12:07

hidden files

Time of First Successful Submission: 2025-01-11 14:58:48

An Epic Filesystem Quest

Time of First Successful Submission: 2025-01-11 15:05:20

making directories

Time of First Successful Submission: 2025-01-11 15:06:57

finding files

Time of First Successful Submission: 2025-01-11 15:09:25

linking files

Time of First Successful Submission: 2025-01-11 15:10:40

Learning From Documentation

Time of First Successful Submission: 2025-01-11 15:14:13

Learning Complex Usage

Time of First Successful Submission: 2025-01-11 15:16:51

Reading Manuals

Time of First Successful Submission: 2025-01-11 15:19:21

Searching Manuals

Time of First Successful Submission: 2025-01-11 15:20:39

Searching For Manuals

Time of First Successful Submission: 2025-01-11 15:25:28

Helpful Programs

Time of First Successful Submission: 2025-01-11 15:27:06

Help for Builtins

Time of First Successful Submission: 2025-01-11 15:28:51

Matching with *

Time of First Successful Submission: 2025-01-11 15:33:04

Matching with ?

Time of First Successful Submission: 2025-01-11 15:34:17

Matching with []

Time of First Successful Submission: 2025-01-11 15:37:22

Matching paths with []

Time of First Successful Submission: 2025-01-11 15:39:21

Multiple globs

Time of First Successful Submission: 2025-06-02 02:48:43

Mixing globs

Time of First Successful Submission: 2025-01-12 02:10:08

Exclusionary globbing

Time of First Successful Submission: 2025-01-12 02:11:55

Tab completion

Time of First Successful Submission: 2025-06-22 12:57:20

Multiple options for tab completion

Time of First Successful Submission: 2025-06-22 12:58:13

Tab completion on commands

Time of First Successful Submission: 2025-06-22 12:58:33

Redirecting output

Time of First Successful Submission: 2025-01-12 02:14:52

Redirecting more output

Time of First Successful Submission: 2025-01-12 02:16:37

Appending output

Time of First Successful Submission: 2025-01-12 02:19:17

Redirecting errors

Time of First Successful Submission: 2025-01-12 02:20:44

Redirecting input

Time of First Successful Submission: 2025-01-12 02:22:34

Grepping stored results

Time of First Successful Submission: 2025-01-12 02:23:47

Grepping live output

Time of First Successful Submission: 2025-01-12 02:24:21

Grepping errors

Time of First Successful Submission: 2025-01-12 02:25:07

Filtering with grep -v

Time of First Successful Submission: 2025-06-22 12:59:34

Filtering with sed

Time of First Successful Submission: 2025-11-13 09:13:06

Duplicating piped data with tee

Time of First Successful Submission: 2025-01-12 02:29:19

Process substitution for input

Time of First Successful Submission: 2025-12-03 05:16:37

Writing to multiple programs

Time of First Successful Submission: 2025-01-12 02:32:42

Split-piping stderr and stdout

Time of First Successful Submission: 2025-01-12 02:55:12

Named pipes

Time of First Successful Submission: 2025-12-03 05:14:09

Printing Variables

Time of First Successful Submission: 2025-01-12 03:08:54

Setting Variables

Time of First Successful Submission: 2025-01-12 03:09:26

Multi-word Variables

Time of First Successful Submission: 2025-01-12 03:09:59

Exporting Variables

Time of First Successful Submission: 2025-01-12 03:15:04

Printing Exported Variables

Time of First Successful Submission: 2025-01-12 03:16:28

Storing Command Output

Time of First Successful Submission: 2025-01-12 03:17:10

Reading Input

Time of First Successful Submission: 2025-01-12 03:17:52

Reading Files

Time of First Successful Submission: 2025-01-12 03:31:43

Translating characters

Time of First Successful Submission: 2025-06-22 13:00:27

Deleting characters

Time of First Successful Submission: 2025-06-22 13:01:14

Deleting newlines

Time of First Successful Submission: 2025-06-22 13:01:53

Extracting the first lines with head

Time of First Successful Submission: 2025-06-22 13:02:22

Extracting specific sections of text

Time of First Successful Submission: 2025-06-22 13:03:14

Sorting data

Time of First Successful Submission: 2025-12-03 05:24:21

Listing Processes

Time of First Successful Submission: 2025-01-12 03:33:53

Killing Processes

Time of First Successful Submission: 2025-01-12 03:34:45

Interrupting Processes

Time of First Successful Submission: 2025-01-12 03:35:32

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-03 05:26:24

Suspending Processes

Time of First Successful Submission: 2025-01-12 03:36:07

Resuming Processes

Time of First Successful Submission: 2025-01-12 03:36:38

Backgrounding Processes

Time of First Successful Submission: 2025-01-12 03:40:38

Foregrounding Processes

Time of First Successful Submission: 2025-01-12 03:41:33

Starting Backgrounded Processes

Time of First Successful Submission: 2025-01-12 03:44:10

Process Exit Codes

Time of First Successful Submission: 2025-01-12 03:45:42

Becoming root with su

Time of First Successful Submission: 2025-01-12 04:06:47

Other users with su

Time of First Successful Submission: 2025-01-12 04:07:20

Cracking passwords

Time of First Successful Submission: 2025-01-12 04:09:50

Using sudo

Time of First Successful Submission: 2025-01-12 04:10:56

Changing File Ownership

Time of First Successful Submission: 2025-01-12 03:47:55

Groups and Files

Time of First Successful Submission: 2025-01-12 03:50:41

Fun With Groups Names

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

Changing Permissions

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

Executable Files

Time of First Successful Submission: 2025-01-12 03:53:22

Permission Tweaking Practice

Time of First Successful Submission: 2025-01-12 03:59:23

Permissions Setting Practice

Time of First Successful Submission: 2025-01-12 04:02:04

The SUID Bit

Time of First Successful Submission: 2025-01-12 04:03:58

Chaining with Semicolons

Time of First Successful Submission: 2025-01-12 04:23:00

Building on Success

Time of First Successful Submission: 2025-12-03 05:27:18

Handling Failure

Time of First Successful Submission: 2025-12-03 05:28:05

Your First Shell Script

Time of First Successful Submission: 2025-01-12 04:23:41

Redirecting Script Output

Time of First Successful Submission: 2025-01-12 04:25:47

Executable Shell Scripts

Time of First Successful Submission: 2025-01-12 04:27:21

Understanding Shebangs

Time of First Successful Submission: 2025-12-03 05:30:23

Scripting with Arguments

Time of First Successful Submission: 2025-12-03 05:31:21

Scripting with Conditionals

Time of First Successful Submission: 2025-12-03 05:32:59

Scripting with Default Cases

Time of First Successful Submission: 2025-12-03 05:33:49

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-03 05:39:43

Reading Shell Scripts

Time of First Successful Submission: 2025-12-03 05:41:54

Launching Screen

Time of First Successful Submission: 2025-12-03 05:42:59

Detaching and Attaching

Time of First Successful Submission: 2025-12-03 05:44:23

Finding Sessions

Time of First Successful Submission: 2025-12-03 05:46:20

Switching Windows

Time of First Successful Submission: 2025-12-03 05:47:28

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-03 05:49:00

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-03 05:53:55

The PATH Variable

Time of First Successful Submission: 2025-01-12 04:28:30

Setting PATH

Time of First Successful Submission: 2025-01-12 04:30:27

Finding Commands

Time of First Successful Submission: 2025-06-22 13:04:42

Adding Commands

Time of First Successful Submission: 2025-01-12 04:33:00

Hijacking Commands

Time of First Successful Submission: 2025-01-12 04:34:46

Bashrc Backdoor

Time of First Successful Submission: 2025-06-22 13:08:15

Sniffing Input

Time of First Successful Submission: 2025-06-22 13:11:27

Overshared Directories

Time of First Successful Submission: 2025-06-22 13:14:43

Tricky Linking

Time of First Successful Submission: 2025-06-22 13:20:21

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-22 13:21:34

Snooping on Configurations

Time of First Successful Submission: 2025-06-22 13:22:53

The Fork Bomb

Time of First Successful Submission: 2025-06-22 13:24:51

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-22 13:27:35

rm -rf /

Time of First Successful Submission: 2025-06-22 13:29:28

Life after rm -rf /

Time of First Successful Submission: 2025-06-22 13:31:27

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-22 13:32:58

Your First Register

Time of First Successful Submission: 2025-01-12 04:41:28

Your First Syscall

Time of First Successful Submission: 2025-01-12 04:43:15

Exit Codes

Time of First Successful Submission: 2025-01-12 04:47:14

Building Executables

Time of First Successful Submission: 2025-01-12 04:53:09

Moving Between Registers

Time of First Successful Submission: 2025-01-12 04:58:28

Loading From Memory

Time of First Successful Submission: 2025-01-12 05:15:05

More Loading Practice

Time of First Successful Submission: 2025-01-12 05:18:25

Dereferencing Pointers

Time of First Successful Submission: 2025-01-12 05:22:08

Dereferencing Yourself

Time of First Successful Submission: 2025-01-12 05:25:55

Dereferencing with Offsets

Time of First Successful Submission: 2025-01-12 05:27:40

Stored Addresses

Time of First Successful Submission: 2025-01-12 08:13:12

Double Dereference

Time of First Successful Submission: 2025-01-12 08:16:02

Tracing Syscalls

Time of First Successful Submission: 2025-01-12 04:54:26

Starting GDB

Time of First Successful Submission: 2025-02-10 01:12:31

Starting Programs in GDB

Time of First Successful Submission: 2025-02-10 01:13:56

Writing Output

Time of First Successful Submission: 2025-01-12 08:43:32

Chaining Syscalls

Time of First Successful Submission: 2025-01-12 08:47:24

Writing Strings

Time of First Successful Submission: 2025-01-12 08:48:26

Reading Data

Time of First Successful Submission: 2025-03-31 10:01:40

set-register

Time of First Successful Submission: 2025-01-12 08:53:14

set-multiple-registers

Time of First Successful Submission: 2025-01-12 08:57:20

add-to-register

Time of First Successful Submission: 2025-01-12 08:59:26

linear-equation-registers

Time of First Successful Submission: 2025-01-12 09:04:11

integer-division

Time of First Successful Submission: 2025-01-12 09:16:42

modulo-operation

Time of First Successful Submission: 2025-01-12 09:20:23

set-upper-byte

Time of First Successful Submission: 2025-01-12 09:53:38

efficient-modulo

Time of First Successful Submission: 2025-01-12 12:51:07

byte-extraction

Time of First Successful Submission: 2025-01-12 12:57:04

bitwise-and

Time of First Successful Submission: 2025-01-12 13:00:56

check-even

Time of First Successful Submission: 2025-01-12 13:12:33

memory-read

Time of First Successful Submission: 2025-01-12 13:14:58

memory-write

Time of First Successful Submission: 2025-01-12 13:16:16

memory-increment

Time of First Successful Submission: 2025-01-18 08:05:22

byte-access

Time of First Successful Submission: 2025-01-18 08:07:07

memory-size-access

Time of First Successful Submission: 2025-01-18 08:08:47

little-endian-write

Time of First Successful Submission: 2025-01-18 08:14:23

memory-sum

Time of First Successful Submission: 2025-01-18 08:17:00

stack-subtraction

Time of First Successful Submission: 2025-01-18 08:18:53

swap-stack-values

Time of First Successful Submission: 2025-01-18 08:20:29

average-stack-values

Time of First Successful Submission: 2025-01-18 08:23:09

absolute-jump

Time of First Successful Submission: 2025-01-18 08:24:29

relative-jump

Time of First Successful Submission: 2025-01-18 08:29:50

jump-trampoline

Time of First Successful Submission: 2025-01-18 08:35:21

conditional-jump

Time of First Successful Submission: 2025-01-18 08:46:29

indirect-jump

Time of First Successful Submission: 2025-01-18 09:00:12

average-loop

Time of First Successful Submission: 2025-01-18 09:11:44

count-non-zero

Time of First Successful Submission: 2025-01-18 09:37:06

string-lower

Time of First Successful Submission: 2025-01-18 09:45:35

most-common-byte

Time of First Successful Submission: 2026-01-24 03:34:38

Exit

Time of First Successful Submission: 2025-02-10 06:59:32

Socket

Time of First Successful Submission: 2025-02-10 07:04:14

Bind

Time of First Successful Submission: 2025-02-10 07:09:12

Listen

Time of First Successful Submission: 2025-02-10 07:10:43

Accept

Time of First Successful Submission: 2025-02-10 07:12:30

Static Response

Time of First Successful Submission: 2025-02-12 00:12:40

Debugging Programs

Time of First Successful Submission: 2024-01-22 08:00:40

Inspecting Registers

Time of First Successful Submission: 2024-01-22 08:04:30

Examining Memory

Time of First Successful Submission: 2024-01-22 08:17:30

Setting Breakpoints

Time of First Successful Submission: 2025-02-10 02:29:43

GDB Scripting

Time of First Successful Submission: 2025-02-10 06:29:02

Modifying Data

Time of First Successful Submission: 2025-02-10 06:49:21

Modifying Execution

Time of First Successful Submission: 2025-02-10 06:50:02

Broken Functions

Time of First Successful Submission: 2025-02-10 06:53:39

What's the password?

Time of First Successful Submission: 2025-02-12 00:15:37

... and again!

Time of First Successful Submission: 2025-02-12 00:16:45

Newline Troubles

Time of First Successful Submission: 2025-02-12 00:18:11

Reasoning about files

Time of First Successful Submission: 2025-02-12 00:19:30

Specifying Filenames

Time of First Successful Submission: 2025-02-12 00:20:20

Binary and Hex Encoding

Time of First Successful Submission: 2025-02-12 00:25:29

More Hex

Time of First Successful Submission: 2025-02-12 00:28:00

Decoding Hex

Time of First Successful Submission: 2025-02-12 00:30:43

Decoding Practice

Time of First Successful Submission: 2025-02-12 00:32:21

Encoding Practice

Time of First Successful Submission: 2025-02-12 00:35:50

Hex-encoding ASCII

Time of First Successful Submission: 2025-02-12 00:46:17

Nested Encoding

Time of First Successful Submission: 2025-02-12 00:48:52

Hex-encoding UTF-8

Time of First Successful Submission: 2025-02-12 01:02:58

UTF Mixups

Time of First Successful Submission: 2025-02-12 01:38:58

Modifying Encoded Data

Time of First Successful Submission: 2025-02-12 01:52:29

Decoding Base64

Time of First Successful Submission: 2025-02-12 01:55:50

Encoding Base64

Time of First Successful Submission: 2025-02-12 01:59:13

Dealing with Obfuscation

Time of First Successful Submission: 2025-02-12 02:07:57

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-02-12 02:18:50

Your First HTTP Request

Time of First Successful Submission: 2025-02-15 08:07:51

Reading Flask

Time of First Successful Submission: 2025-02-15 08:10:04

Commented Data

Time of First Successful Submission: 2025-02-15 08:10:53

HTTP Metadata

Time of First Successful Submission: 2025-02-15 08:15:04

HTTP (netcat)

Time of First Successful Submission: 2024-01-23 03:23:19

HTTP Paths (netcat)

Time of First Successful Submission: 2024-01-23 03:36:46

HTTP (curl)

Time of First Successful Submission: 2024-01-23 03:34:59

HTTP (python)

Time of First Successful Submission: 2024-01-23 03:37:55

HTTP Host Header (python)

Time of First Successful Submission: 2024-01-23 03:33:56

HTTP Host Header (curl)

Time of First Successful Submission: 2024-01-23 03:27:57

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-01-23 03:32:13

URL Encoding (netcat)

Time of First Successful Submission: 2024-01-23 03:54:52

HTTP GET Parameters

Time of First Successful Submission: 2024-01-23 03:56:04

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-01-23 04:03:24

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-01-23 04:01:31

HTTP Forms

Time of First Successful Submission: 2025-02-15 08:17:45

HTTP Forms (curl)

Time of First Successful Submission: 2024-01-23 04:08:01

HTTP Forms (netcat)

Time of First Successful Submission: 2024-01-23 04:11:31

HTTP Forms (python)

Time of First Successful Submission: 2024-01-23 04:14:03

HTTP Forms Without Forms

Time of First Successful Submission: 2025-02-15 08:19:08

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-01-23 04:16:05

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-01-23 04:22:26

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-01-23 05:10:23

HTTP Redirects (curl)

Time of First Successful Submission: 2024-01-23 05:08:28

HTTP Redirects (python)

Time of First Successful Submission: 2024-01-23 05:11:51

HTTP Cookies (curl)

Time of First Successful Submission: 2024-01-23 05:16:30

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-01-23 05:18:48

HTTP Cookies (python)

Time of First Successful Submission: 2024-01-23 05:23:13

Server State (python)

Time of First Successful Submission: 2024-01-23 09:59:38

Listening Web

Time of First Successful Submission: 2025-06-23 11:50:26

Speaking Redirects

Time of First Successful Submission: 2026-01-24 03:05:14

JavaScript Redirects

Time of First Successful Submission: 2026-01-24 03:11:40

Including JavaScript

Time of First Successful Submission: 2026-01-24 03:16:01

HTTP (javascript)

Time of First Successful Submission: 2026-01-24 03:24:19

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-24 03:27:16

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-24 03:30:51

cat

Time of First Successful Submission: 2024-01-14 08:09:40

more

Time of First Successful Submission: 2024-01-14 08:37:11

less

Time of First Successful Submission: 2024-01-14 08:43:12

tail

Time of First Successful Submission: 2024-01-14 08:44:14

head

Time of First Successful Submission: 2024-01-14 08:45:03

sort

Time of First Successful Submission: 2024-01-14 08:46:08

vim

Time of First Successful Submission: 2024-01-14 08:47:15

emacs

Time of First Successful Submission: 2024-01-14 08:48:06

nano

Time of First Successful Submission: 2024-01-14 08:48:53

rev

Time of First Successful Submission: 2024-01-14 08:49:44

od

Time of First Successful Submission: 2024-01-14 08:51:59

hd

Time of First Successful Submission: 2024-01-14 08:53:35

xxd

Time of First Successful Submission: 2024-01-14 08:55:07

base32

Time of First Successful Submission: 2024-01-14 08:55:58

base64

Time of First Successful Submission: 2024-01-14 08:56:58

split

Time of First Successful Submission: 2024-01-14 08:58:18

gzip

Time of First Successful Submission: 2024-01-14 09:01:59

bzip2

Time of First Successful Submission: 2024-01-14 09:03:18

zip

Time of First Successful Submission: 2024-01-14 09:05:33

tar

Time of First Successful Submission: 2024-01-14 09:07:04

ar

Time of First Successful Submission: 2024-01-14 09:08:40

cpio

Time of First Successful Submission: 2024-01-14 09:10:33

genisoimage

Time of First Successful Submission: 2024-01-14 09:12:28

env

Time of First Successful Submission: 2024-01-14 09:13:52

find

Time of First Successful Submission: 2024-01-14 09:15:33

make

Time of First Successful Submission: 2024-01-14 09:17:05

nice

Time of First Successful Submission: 2024-01-14 09:18:35

timeout

Time of First Successful Submission: 2024-01-14 09:20:29

stdbuf

Time of First Successful Submission: 2024-01-14 09:22:18

setarch

Time of First Successful Submission: 2024-01-14 09:25:16

watch

Time of First Successful Submission: 2024-01-14 09:26:19

socat

Time of First Successful Submission: 2024-01-14 09:27:44

whiptail

Time of First Successful Submission: 2024-01-14 10:53:32

awk

Time of First Successful Submission: 2024-01-14 09:45:44

sed

Time of First Successful Submission: 2024-01-14 09:46:55

ed

Time of First Successful Submission: 2024-01-14 09:48:29

chown

Time of First Successful Submission: 2024-01-14 09:49:53

chmod

Time of First Successful Submission: 2024-01-14 09:50:50

cp

Time of First Successful Submission: 2024-01-14 09:52:04

mv

Time of First Successful Submission: 2024-01-14 10:49:43

perl

Time of First Successful Submission: 2024-01-14 10:12:35

python

Time of First Successful Submission: 2024-01-14 10:13:53

ruby

Time of First Successful Submission: 2024-01-14 10:17:41

bash

Time of First Successful Submission: 2024-01-14 10:18:23

date

Time of First Successful Submission: 2024-01-14 10:19:25

dmesg

Time of First Successful Submission: 2024-01-14 10:20:16

wc

Time of First Successful Submission: 2024-01-14 10:21:19

gcc

Time of First Successful Submission: 2024-01-14 10:22:43

as

Time of First Successful Submission: 2024-01-14 10:23:39

wget

Time of First Successful Submission: 2024-01-14 10:26:10

ssh-keygen

Time of First Successful Submission: 2024-01-14 11:15:38

SQL Queries

Time of First Successful Submission: 2025-02-12 08:37:21

Filtering SQL

Time of First Successful Submission: 2025-02-12 08:46:12

Choosing Columns

Time of First Successful Submission: 2025-02-12 08:51:00

Exclusionary Filtering

Time of First Successful Submission: 2025-02-12 08:55:26

Filtering Strings

Time of First Successful Submission: 2025-02-12 08:57:16

Filtering on Expressions

Time of First Successful Submission: 2025-02-12 08:59:37

SELECTing Expressions

Time of First Successful Submission: 2025-02-13 03:49:18

Composite Conditions

Time of First Successful Submission: 2025-02-13 03:59:32

Reaching Your LIMITs

Time of First Successful Submission: 2025-02-13 04:11:09

Querying Metadata

Time of First Successful Submission: 2025-02-13 04:19:39

Hijack Me!

Time of First Successful Submission: 2025-02-14 11:40:41

Expand Your Mind

Time of First Successful Submission: 2025-02-23 03:42:33

Password Cracking

Time of First Successful Submission: 2025-03-17 09:59:11

Information Gathering

Time of First Successful Submission: 2025-03-17 10:23:00

Encryption Breaking

Time of First Successful Submission: 2025-03-17 10:26:06

cat.exe (type)

Time of First Successful Submission: 2026-01-24 03:44:02

Using the Terminal

Time of First Successful Submission: 2025-11-13 09:06:30

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-14 07:11:55

Using the GUI Desktop

Time of First Successful Submission: 2024-01-14 07:23:41

Pasting into the Desktop

Time of First Successful Submission: 2024-01-14 08:00:15

Connecting over SSH

Time of First Successful Submission: 2026-01-18 12:34:38

Restarting Challenges

Time of First Successful Submission: 2025-01-11 13:14:09

Getting Help

Time of First Successful Submission: 2025-01-11 13:23:27

Challenge Programs

Time of First Successful Submission: 2025-01-11 13:24:54

The Flag File

Time of First Successful Submission: 2024-01-14 07:43:14

Using Privileged Mode

Time of First Successful Submission: 2024-01-14 07:46:56

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-14 07:50:42

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-14 07:52:50

Running Commands

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

Move through the Linux filesystem.

Time of First Successful Submission: 2026-01-11 05:02:16

Create and delete files.

Time of First Successful Submission: 2026-01-11 11:38:20

Move, copy, and rename files.

Time of First Successful Submission: 2026-01-11 11:41:53

Display file contents in the terminal.

Time of First Successful Submission: 2026-01-11 11:42:29

Create files with nano.

Time of First Successful Submission: 2026-01-11 11:43:27

Edit files with nano.

Time of First Successful Submission: 2026-01-11 11:43:50

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-01-11 11:44:41

Find the password! (Searching files)

Time of First Successful Submission: 2026-01-11 11:47:27

Advanced Directory Techniques.

Time of First Successful Submission: 2026-01-11 11:51:16

Learn about command flags.

Time of First Successful Submission: 2026-01-11 11:54:04

Printing

Time of First Successful Submission: 2026-01-18 12:36:45

Variables

Time of First Successful Submission: 2026-01-18 12:38:13

Format Print

Time of First Successful Submission: 2026-01-18 12:39:31

User Input

Time of First Successful Submission: 2026-01-18 12:40:08

Type Casting

Time of First Successful Submission: 2026-01-18 12:40:52

Caesar Cipher Encoding

Time of First Successful Submission: 2026-01-18 12:44:47

Caesar Cipher Decoding

Time of First Successful Submission: 2026-01-18 12:45:33

Substitution Cipher Encoding

Time of First Successful Submission: 2026-01-18 12:48:49

Substitution Cipher Decoding

Time of First Successful Submission: 2026-01-18 12:49:40

ASCII Encoding

Time of First Successful Submission: 2026-01-18 12:50:16

ASCII Decoding

Time of First Successful Submission: 2026-01-18 12:51:00

Hexadecimal - Encoding

Time of First Successful Submission: 2026-01-18 12:51:58

Hexadecimal - Decoding

Time of First Successful Submission: 2026-01-18 12:53:08

Binary Encoding

Time of First Successful Submission: 2026-01-18 12:53:45

Binary Decoding

Time of First Successful Submission: 2026-01-18 12:54:24

Morse Code - Encoding

Time of First Successful Submission: 2026-01-18 12:56:27

Morse Code - Decoding

Time of First Successful Submission: 2026-01-18 12:56:59

Base64 - Encoding

Time of First Successful Submission: 2026-01-18 12:57:39

Base64 - Decoding

Time of First Successful Submission: 2026-01-18 12:58:14

Playfair - Encoding

Time of First Successful Submission: 2026-01-18 13:04:20

Playfair - Decoding

Time of First Successful Submission: 2026-01-18 13:06:38

Polybius Square - Encoding

Time of First Successful Submission: 2026-01-18 13:08:02

Polybius Square - Decoding

Time of First Successful Submission: 2026-01-18 13:08:49

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2026-01-18 13:11:05

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2026-01-18 13:11:49

Caesar Cipher Scripting

Time of First Successful Submission: 2026-01-18 12:46:15

Caesar Cipher Brute Force

Time of First Successful Submission: 2026-01-18 12:47:56

Easy Challenge #1

Time of First Successful Submission: 2026-01-18 13:15:04

Medium Challenge #1

Time of First Successful Submission: 2026-01-18 13:18:20

Hard Challenge #1

Time of First Successful Submission: 2026-01-18 13:18:48

Grep Master

Time of First Successful Submission: 2026-01-18 13:55:21

Unlock The Vault

Time of First Successful Submission: 2026-01-18 13:56:01

Locked Treasure Chest

Time of First Successful Submission: 2026-01-18 13:56:29

The Artists Clue

Time of First Successful Submission: 2026-01-18 13:56:58

Code Cracker

Time of First Successful Submission: 2026-01-18 13:57:28

Chatty Server

Time of First Successful Submission: 2026-01-18 13:58:08

Secret Message In Photo

Time of First Successful Submission: 2026-01-18 13:58:33

Hidden Treasures In The Picture

Time of First Successful Submission: 2026-01-18 13:59:00

External BBS (login)

Time of First Successful Submission: 2025-03-16 13:17:40

Internal BBS

Time of First Successful Submission: 2025-03-16 13:46:53

Join an IRC Server

Time of First Successful Submission: 2025-03-29 02:16:01

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2025-03-29 02:16:45

Change your nickname

Time of First Successful Submission: 2025-03-29 02:17:42

Join a channel

Time of First Successful Submission: 2025-03-29 02:18:31

Message a channel

Time of First Successful Submission: 2025-03-29 02:19:16

Remove another user

Time of First Successful Submission: 2025-03-29 02:20:46

Evaluating Is Fun!

Time of First Successful Submission: 2025-03-17 11:18:16

Variables Are Fun!

Time of First Successful Submission: 2025-03-17 11:21:50

Functions Are Fun!

Time of First Successful Submission: 2025-03-17 11:23:11

Printing Is Fun!

Time of First Successful Submission: 2025-03-17 11:25:28

Opening Is Fun!

Time of First Successful Submission: 2025-03-17 11:26:31

Globals Are Fun!

Time of First Successful Submission: 2025-03-17 11:44:39

Modules Are Fun!

Time of First Successful Submission: 2025-03-17 11:53:42

Importing Is Fun!

Time of First Successful Submission: 2025-03-17 11:55:56

guessnumber.01

Time of First Successful Submission: 2025-02-15 03:25:36

delayed-flag

Time of First Successful Submission: 2025-03-18 10:12:20

guessnumber.02

Time of First Successful Submission: 2025-03-18 10:28:57

idan23.01

Time of First Successful Submission: 2025-03-18 10:29:25

idan23.02

Time of First Successful Submission: 2025-03-18 10:29:50

aa-exec

Time of First Successful Submission: 2025-12-28 07:17:59

ab

Time of First Successful Submission: 2025-12-28 07:19:40

agetty

Time of First Successful Submission: 2026-01-03 11:18:36

alpine

Time of First Successful Submission: 2026-01-03 11:17:29

ar

Time of First Successful Submission: 2026-01-03 11:08:03

arj

Time of First Successful Submission: 2026-01-03 11:05:58

arp

Time of First Successful Submission: 2026-01-03 11:04:43

as

Time of First Successful Submission: 2026-01-03 11:04:01

ascii-xfr

Time of First Successful Submission: 2026-01-03 11:03:14

ash

Time of First Successful Submission: 2025-12-29 09:19:17

atobm

Time of First Successful Submission: 2026-01-03 11:00:59

awk

Time of First Successful Submission: 2025-12-29 09:18:56

base32

Time of First Successful Submission: 2025-12-29 09:50:30

base64

Time of First Successful Submission: 2025-12-29 09:50:57

basenc

Time of First Successful Submission: 2026-01-03 10:59:16

basez

Time of First Successful Submission: 2026-01-03 10:58:31

bash

Time of First Successful Submission: 2025-12-29 09:19:41

batcat

Time of First Successful Submission: 2026-01-03 10:57:30

bridge

Time of First Successful Submission: 2026-01-03 10:56:37

busctl

Time of First Successful Submission: 2026-01-03 10:54:53

busybox

Time of First Successful Submission: 2026-01-03 10:54:05

bzip2

Time of First Successful Submission: 2026-01-03 10:52:48

capsh

Time of First Successful Submission: 2026-01-03 10:50:07

cat

Time of First Successful Submission: 2025-12-29 08:51:50

chgrp

Time of First Successful Submission: 2026-01-03 10:49:18

chmod

Time of First Successful Submission: 2025-12-29 08:52:11

choom

Time of First Successful Submission: 2026-01-03 10:38:12

chown

Time of First Successful Submission: 2025-12-29 10:00:09

chroot

Time of First Successful Submission: 2025-12-29 09:59:33

clamscan

Time of First Successful Submission: 2026-01-03 10:37:25

cmp

Time of First Successful Submission: 2025-12-29 08:53:59

column

Time of First Successful Submission: 2025-12-29 08:55:08

comm

Time of First Successful Submission: 2025-12-29 08:55:51

cp

Time of First Successful Submission: 2025-12-29 08:56:12

cpio

Time of First Successful Submission: 2026-01-03 10:28:58

cpulimit

Time of First Successful Submission: 2026-01-03 10:28:03

csh

Time of First Successful Submission: 2025-12-29 08:59:56

csplit

Time of First Successful Submission: 2026-01-03 10:26:24

csvtool

Time of First Successful Submission: 2026-01-03 10:25:37

cupsfilter

Time of First Successful Submission: 2026-01-03 10:24:38

curl

Time of First Successful Submission: 2025-12-29 09:00:23

cut

Time of First Successful Submission: 2025-12-29 09:00:49

dash

Time of First Successful Submission: 2025-12-29 09:01:13

date

Time of First Successful Submission: 2025-12-29 09:04:17

dd

Time of First Successful Submission: 2025-12-29 09:04:41

debugfs

Time of First Successful Submission: 2025-12-29 09:03:27

dialog

Time of First Successful Submission: 2026-01-03 10:23:20

diff

Time of First Successful Submission: 2025-12-29 09:03:50

dig

Time of First Successful Submission: 2025-12-29 09:05:56

distcc

Time of First Successful Submission: 2026-01-03 10:21:45

ed

Time of First Successful Submission: 2026-01-03 10:14:39

efax

Time of First Successful Submission: 2026-01-03 10:13:41

elvish

Time of First Successful Submission: 2026-01-03 10:12:34

emacs

Time of First Successful Submission: 2026-01-03 10:11:46

env

Time of First Successful Submission: 2025-12-29 09:08:28

eqn

Time of First Successful Submission: 2026-01-03 10:08:51

expand

Time of First Successful Submission: 2026-01-03 10:00:43

expect

Time of First Successful Submission: 2026-01-03 09:59:54

file

Time of First Successful Submission: 2025-12-29 09:08:53

find

Time of First Successful Submission: 2025-12-29 09:09:18

fish

Time of First Successful Submission: 2025-12-29 09:09:40

flock

Time of First Successful Submission: 2026-01-03 09:58:38

fmt

Time of First Successful Submission: 2026-01-03 09:57:59

fold

Time of First Successful Submission: 2026-01-03 09:57:25

gawk

Time of First Successful Submission: 2025-12-29 09:12:07

gdb

Time of First Successful Submission: 2026-01-03 09:54:02

genisoimage

Time of First Successful Submission: 2026-01-03 09:52:04

grep

Time of First Successful Submission: 2025-12-29 09:12:25

gtester

Time of First Successful Submission: 2026-01-02 05:55:21

gzip

Time of First Successful Submission: 2026-01-02 05:52:59

head

Time of First Successful Submission: 2025-12-29 09:12:43

hexdump

Time of First Successful Submission: 2025-12-29 09:13:59

highlight

Time of First Successful Submission: 2026-01-02 05:50:41

iconv

Time of First Successful Submission: 2026-01-02 05:49:07

install

Time of First Successful Submission: 2026-01-02 05:48:29

ionice

Time of First Successful Submission: 2026-01-02 05:47:13

ip

Time of First Successful Submission: 2026-01-02 05:46:16

ispell

Time of First Successful Submission: 2026-01-02 05:44:58

jjs

Time of First Successful Submission: 2026-01-02 05:42:32

join

Time of First Successful Submission: 2026-01-02 05:41:28

jq

Time of First Successful Submission: 2025-12-29 09:16:51

jrunscript

Time of First Successful Submission: 2026-01-02 05:39:03

ksh

Time of First Successful Submission: 2025-12-29 09:17:17

ksshell

Time of First Successful Submission: 2025-12-29 09:17:56

ld.so

Time of First Successful Submission: 2026-01-02 05:33:02

less

Time of First Successful Submission: 2025-12-29 09:18:16

links