level1

Time of First Successful Submission: 2024-06-24 12:06:58

level2

Time of First Successful Submission: 2024-06-24 12:07:45

level3

Time of First Successful Submission: 2024-06-24 12:08:14

level4

Time of First Successful Submission: 2024-06-24 12:09:01

level5

Time of First Successful Submission: 2024-06-24 12:09:43

level6

Time of First Successful Submission: 2024-06-24 12:10:24

level7

Time of First Successful Submission: 2024-06-24 12:11:25

level8

Time of First Successful Submission: 2024-06-24 12:15:50

level9

Time of First Successful Submission: 2024-06-24 12:17:10

level10

Time of First Successful Submission: 2024-06-24 12:19:22

level11

Time of First Successful Submission: 2024-06-24 12:20:09

level12

Time of First Successful Submission: 2024-06-24 12:23:27

level13

Time of First Successful Submission: 2024-06-24 12:29:29

level14

Time of First Successful Submission: 2024-06-24 12:30:50

level15

Time of First Successful Submission: 2024-06-24 12:40:25

level16

Time of First Successful Submission: 2024-06-24 12:42:01

level17

Time of First Successful Submission: 2024-06-24 12:46:00

level18

Time of First Successful Submission: 2024-06-24 12:49:01

level19

Time of First Successful Submission: 2024-06-24 12:54:33

level20

Time of First Successful Submission: 2024-06-24 12:56:09

level21

Time of First Successful Submission: 2024-06-24 12:57:27

level22

Time of First Successful Submission: 2024-06-24 13:01:46

level23

Time of First Successful Submission: 2024-06-24 13:03:33

level24

Time of First Successful Submission: 2024-06-24 13:04:36

level25

Time of First Successful Submission: 2024-06-24 13:05:49

level26

Time of First Successful Submission: 2024-06-24 13:07:41

level27

Time of First Successful Submission: 2024-06-24 13:09:01

level28

Time of First Successful Submission: 2024-06-24 13:10:25

level29

Time of First Successful Submission: 2024-06-24 13:41:51

level30

Time of First Successful Submission: 2024-06-24 14:37:10

level31

Time of First Successful Submission: 2024-06-24 14:40:10

level32

Time of First Successful Submission: 2024-06-24 14:49:48

level33

Time of First Successful Submission: 2024-06-24 14:51:34

level34

Time of First Successful Submission: 2024-06-24 15:10:52

level35

Time of First Successful Submission: 2024-06-24 15:12:35

level36

Time of First Successful Submission: 2024-06-24 15:13:54

level37

Time of First Successful Submission: 2024-06-24 15:14:25

level38

Time of First Successful Submission: 2024-06-24 15:15:29

level39

Time of First Successful Submission: 2024-06-24 15:16:05

level40

Time of First Successful Submission: 2024-06-24 15:17:12

level41

Time of First Successful Submission: 2024-06-24 15:17:58

level42

Time of First Successful Submission: 2024-06-24 15:19:14

level43

Time of First Successful Submission: 2024-06-24 15:19:42

level44

Time of First Successful Submission: 2024-06-24 15:20:15

level45

Time of First Successful Submission: 2024-06-24 15:20:56

level46

Time of First Successful Submission: 2024-06-24 15:21:43

level47

Time of First Successful Submission: 2024-06-24 15:22:28

level48

Time of First Successful Submission: 2024-06-24 15:37:21

level49

Time of First Successful Submission: 2024-06-24 15:38:34

level50

Time of First Successful Submission: 2024-06-24 15:40:10

level51

Time of First Successful Submission: 2024-06-25 11:17:49

level52

Time of First Successful Submission: 2024-06-25 11:48:39

level53

Time of First Successful Submission: 2024-06-25 11:51:20

level54

Time of First Successful Submission: 2024-06-25 11:56:24

level55

Time of First Successful Submission: 2024-06-25 11:56:59

level56

Time of First Successful Submission: 2024-06-25 11:57:22

level57

Time of First Successful Submission: 2024-06-25 11:57:52

level58

Time of First Successful Submission: 2024-06-25 11:59:09

level59

Time of First Successful Submission: 2024-06-25 11:59:50

level60

Time of First Successful Submission: 2024-06-25 12:05:21

level61

Time of First Successful Submission: 2024-06-25 13:47:48

level62

Time of First Successful Submission: 2024-06-25 13:48:35

level63

Time of First Successful Submission: 2024-06-25 13:50:36

level64

Time of First Successful Submission: 2024-06-25 13:51:53

level65

Time of First Successful Submission: 2024-06-25 13:55:04

level66

Time of First Successful Submission: 2024-06-25 13:56:06

level67

Time of First Successful Submission: 2024-06-25 14:12:32

level68

Time of First Successful Submission: 2024-06-25 14:16:04

level70

Time of First Successful Submission: 2024-06-25 14:17:05

level71

Time of First Successful Submission: 2024-06-25 14:19:01

level72

Time of First Successful Submission: 2024-06-25 14:21:36

level73

Time of First Successful Submission: 2024-06-25 14:34:27

level74

Time of First Successful Submission: 2024-06-25 14:37:41

level76

Time of First Successful Submission: 2024-06-25 14:38:43

level77

Time of First Successful Submission: 2024-06-25 14:39:37

level78

Time of First Successful Submission: 2024-06-25 14:42:38

level79

Time of First Successful Submission: 2024-06-25 14:44:52

level80

Time of First Successful Submission: 2024-06-25 15:16:28

level82

Time of First Successful Submission: 2024-06-26 11:47:54

level83

Time of First Successful Submission: 2024-06-26 12:09:49

level84

Time of First Successful Submission: 2024-06-26 12:12:58

level85

Time of First Successful Submission: 2024-06-26 12:15:58

level86

Time of First Successful Submission: 2024-06-26 12:18:30

level87

Time of First Successful Submission: 2024-06-26 12:20:37

level88

Time of First Successful Submission: 2024-06-26 12:41:42

level89

Time of First Successful Submission: 2024-06-26 12:42:09

level90

Time of First Successful Submission: 2024-06-26 12:43:51

level91

Time of First Successful Submission: 2024-06-26 12:44:24

level92

Time of First Successful Submission: 2024-06-26 12:45:39

level93

Time of First Successful Submission: 2024-06-26 12:48:18

level94

Time of First Successful Submission: 2024-06-26 12:51:54

level95

Time of First Successful Submission: 2024-06-26 12:52:30

level96

Time of First Successful Submission: 2024-06-26 13:29:12

level97

Time of First Successful Submission: 2024-06-26 13:42:38

level98

Time of First Successful Submission: 2024-06-26 13:46:16

level99

Time of First Successful Submission: 2024-06-26 13:57:31

level100

Time of First Successful Submission: 2024-06-26 13:59:04

level101

Time of First Successful Submission: 2024-06-26 14:01:52

level102

Time of First Successful Submission: 2024-06-26 14:02:21

level103

Time of First Successful Submission: 2024-06-26 14:08:09

level104

Time of First Successful Submission: 2024-06-26 14:10:48

level105

Time of First Successful Submission: 2024-06-26 14:14:32

level106

Time of First Successful Submission: 2024-06-26 14:37:43

level107

Time of First Successful Submission: 2024-06-26 15:03:40

level108

Time of First Successful Submission: 2024-06-26 15:04:37

level109

Time of First Successful Submission: 2024-06-26 15:50:40

level110

Time of First Successful Submission: 2024-06-26 16:08:31

level111

Time of First Successful Submission: 2024-06-26 16:12:21

level112

Time of First Successful Submission: 2024-06-26 16:15:44

level113

Time of First Successful Submission: 2024-06-26 18:04:23

level114

Time of First Successful Submission: 2024-06-26 18:07:10

level115

Time of First Successful Submission: 2024-06-26 18:07:48

level116

Time of First Successful Submission: 2024-06-26 18:20:00

level117

Time of First Successful Submission: 2024-06-26 18:26:13

level118

Time of First Successful Submission: 2024-06-26 18:33:56

level119

Time of First Successful Submission: 2024-06-26 18:38:42

level120

Time of First Successful Submission: 2024-06-26 18:41:01

level121

Time of First Successful Submission: 2024-06-26 18:41:45

level122

Time of First Successful Submission: 2024-06-26 18:42:13

level123

Time of First Successful Submission: 2024-06-26 18:45:47

level124

Time of First Successful Submission: 2024-06-26 18:46:12

level125

Time of First Successful Submission: 2024-06-26 19:36:29

level126

Time of First Successful Submission: 2024-06-26 19:37:48

level127

Time of First Successful Submission: 2024-06-26 19:38:04

level128

Time of First Successful Submission: 2024-06-26 19:38:40

level129

Time of First Successful Submission: 2024-06-26 19:40:05

level130

Time of First Successful Submission: 2024-06-26 19:41:58

level131

Time of First Successful Submission: 2024-06-26 19:42:29

level132

Time of First Successful Submission: 2024-06-26 19:42:45

level133

Time of First Successful Submission: 2024-06-26 19:43:47

level134

Time of First Successful Submission: 2024-06-26 19:46:10

level135

Time of First Successful Submission: 2024-06-26 19:48:11

level136

Time of First Successful Submission: 2024-06-26 19:49:23

level137

Time of First Successful Submission: 2024-06-26 19:49:39

level138

Time of First Successful Submission: 2024-06-26 19:51:15

level139

Time of First Successful Submission: 2024-06-26 20:07:08

level140

Time of First Successful Submission: 2024-06-26 20:42:30

level141

Time of First Successful Submission: 2024-06-26 20:48:54

level142

Time of First Successful Submission: 2024-06-26 21:24:25

HTTP (curl)

Time of First Successful Submission: 2024-06-28 13:43:50

HTTP (python)

Time of First Successful Submission: 2024-06-28 13:47:11

URL Encoding (curl)

Time of First Successful Submission: 2024-06-28 13:54:28

URL Encoding (python)

Time of First Successful Submission: 2024-06-28 13:55:36

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-06-28 14:00:37

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-06-28 14:03:30

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-06-28 14:09:22

Multiple Form Fields (python)

Time of First Successful Submission: 2024-06-28 14:22:45

HTTP JSON (curl)

Time of First Successful Submission: 2024-06-28 14:24:30

HTTP JSON (netcat)

Time of First Successful Submission: 2024-06-28 14:26:13

HTTP JSON (python)

Time of First Successful Submission: 2024-06-28 14:26:48

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-06-28 14:28:30

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-06-28 14:30:58

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-06-28 14:32:29

Server State (curl)

Time of First Successful Submission: 2024-06-28 14:41:43

Server State (netcat)

Time of First Successful Submission: 2024-06-28 14:43:18

Silenced Shellcode

Time of First Successful Submission: 2024-07-05 16:58:49

Shellcode Shuffle

Time of First Successful Submission: 2024-07-08 16:32:28

Shellcode Shuffle II

Time of First Successful Submission: 2024-07-08 16:37:31

Mmap Mirage (Easy)

Time of First Successful Submission: 2024-09-10 15:54:32

Mmap Mirage (Hard)

Time of First Successful Submission: 2024-09-10 16:01:37

Twisted Text (Easy)

Time of First Successful Submission: 2024-07-12 18:24:41

Twisted Text (Hard)

Time of First Successful Submission: 2024-07-12 18:26:29

Tidy Task (Easy)

Time of First Successful Submission: 2024-07-12 18:27:31

Tidy Task (Hard)

Time of First Successful Submission: 2024-07-12 18:28:13

Logical License (Easy)

Time of First Successful Submission: 2024-07-12 18:29:47

Logical License (Hard)

Time of First Successful Submission: 2024-07-12 18:39:15

Modest Mangler (Easy)

Time of First Successful Submission: 2024-07-12 22:52:41

Modest Mangler (Hard)

Time of First Successful Submission: 2024-07-13 17:51:53

This is Yancode (Easy)

Time of First Successful Submission: 2024-07-14 13:34:06

This is Yancode (Hard)

Time of First Successful Submission: 2024-07-14 13:36:36

Powered by Yancode (Easy)

Time of First Successful Submission: 2024-07-14 15:36:06

Powered by Yancode (Hard)

Time of First Successful Submission: 2024-07-14 16:01:29

Yancode Inside (Easy)

Time of First Successful Submission: 2024-07-16 13:31:03

Yancode Inside (Hard)

Time of First Successful Submission: 2024-07-16 13:33:59

Level 15

Time of First Successful Submission: 2024-07-03 20:04:56

level2.0-f2022

Time of First Successful Submission: 2026-01-15 16:15:16

level2.1-f2022

Time of First Successful Submission: 2026-01-15 16:16:21

Waʻa

Time of First Successful Submission: 2025-02-22 13:45:17

Day 01

Time of First Successful Submission: 2025-12-01 21:55:09

Day 02

Time of First Successful Submission: 2025-12-02 15:08:21

Day 03

Time of First Successful Submission: 2025-12-03 00:23:42

Day 04

Time of First Successful Submission: 2025-12-04 01:37:39

Day 05

Time of First Successful Submission: 2025-12-06 19:07:50

Day 06

Time of First Successful Submission: 2025-12-06 15:22:36

Day 07

Time of First Successful Submission: 2025-12-07 00:26:28

Day 08

Time of First Successful Submission: 2025-12-08 00:40:07

Day 09

Time of First Successful Submission: 2025-12-09 14:02:22

Day 10

Time of First Successful Submission: 2025-12-10 02:36:40

Day 11

Time of First Successful Submission: 2025-12-11 19:15:23

Day 12

Time of First Successful Submission: 2025-12-12 00:54:07

Language Barrier

Time of First Successful Submission: 2025-02-21 23:59:00

Baby Steps

Time of First Successful Submission: 2025-02-22 00:01:00

Roman Cryptography

Time of First Successful Submission: 2025-02-22 00:26:21

Obscura

Time of First Successful Submission: 2025-02-22 00:32:46

XOR

Time of First Successful Submission: 2025-02-22 00:44:31

XOR 2.0

Time of First Successful Submission: 2025-02-22 00:45:57

Modular Arithmetic

Time of First Successful Submission: 2025-11-21 19:07:11

Modular Inverse

Time of First Successful Submission: 2025-11-21 19:20:25

Chinese Remainder Theorem

Time of First Successful Submission: 2025-11-21 20:49:51

Fermat Theorem

Time of First Successful Submission: 2025-12-03 15:15:14

Final Boss

Time of First Successful Submission: 2025-12-03 16:04:31

CBC Mode Me

Time of First Successful Submission: 2025-12-03 16:22:33

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2025-11-21 18:59:14

Commands

Time of First Successful Submission: 2024-07-03 20:11:11

Command Arguments

Time of First Successful Submission: 2024-07-03 20:11:36

Command History

Time of First Successful Submission: 2025-06-28 18:31:08

The Root Path

Time of First Successful Submission: 2024-06-23 22:40:38

Absolute Paths

Time of First Successful Submission: 2024-06-23 22:41:26

Changing position

Time of First Successful Submission: 2024-06-23 22:42:10

Changing to an Absolute Path

Time of First Successful Submission: 2024-06-23 22:43:01

Relative Paths

Time of First Successful Submission: 2024-06-23 22:44:46

Cat

Time of First Successful Submission: 2024-06-23 22:51:42

Ls

Time of First Successful Submission: 2024-06-23 22:54:49

Ls All

Time of First Successful Submission: 2024-06-23 22:56:53

Find

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

Piping Echo

Time of First Successful Submission: 2024-06-23 23:32:07

Piping Stdout

Time of First Successful Submission: 2024-06-23 23:33:59

Piping Stdin

Time of First Successful Submission: 2024-06-23 23:37:48

Path Traversal 1

Time of First Successful Submission: 2024-07-03 10:51:06

Path Traversal 2

Time of First Successful Submission: 2024-09-02 15:01:19

CMDi 1

Time of First Successful Submission: 2024-09-02 15:04:28

CMDi 2

Time of First Successful Submission: 2024-09-02 15:05:16

CMDi 3

Time of First Successful Submission: 2024-09-02 15:08:49

CMDi 4

Time of First Successful Submission: 2024-07-03 10:52:50

CMDi 5

Time of First Successful Submission: 2024-09-02 15:13:43

CMDi 6

Time of First Successful Submission: 2024-09-02 15:34:46

Authentication Bypass 1

Time of First Successful Submission: 2024-07-03 10:56:14

Authentication Bypass 2

Time of First Successful Submission: 2024-09-02 15:38:54

SQLi 1

Time of First Successful Submission: 2024-09-02 15:45:20

SQLi 2

Time of First Successful Submission: 2024-07-03 11:01:19

SQLi 3

Time of First Successful Submission: 2024-07-03 11:07:35

SQLi 4

Time of First Successful Submission: 2024-07-03 11:12:00

SQLi 5

Time of First Successful Submission: 2024-07-03 12:17:03

XSS 1

Time of First Successful Submission: 2024-09-02 15:48:46

XSS 2

Time of First Successful Submission: 2024-09-02 15:51:36

XSS 3

Time of First Successful Submission: 2024-07-03 12:39:01

XSS 4

Time of First Successful Submission: 2024-07-03 12:41:26

XSS 5

Time of First Successful Submission: 2024-07-03 12:47:37

XSS 6

Time of First Successful Submission: 2024-09-02 16:53:48

XSS 7

Time of First Successful Submission: 2024-09-02 17:14:05

CSRF 1

Time of First Successful Submission: 2024-07-03 12:56:01

CSRF 2

Time of First Successful Submission: 2024-07-03 14:06:37

CSRF 3

Time of First Successful Submission: 2024-09-02 17:29:37

CSRF 4

Time of First Successful Submission: 2024-07-03 14:16:00

CSRF 5

Time of First Successful Submission: 2024-07-03 14:45:18

Connect

Time of First Successful Submission: 2024-07-01 14:06:07

Send

Time of First Successful Submission: 2025-02-22 00:52:21

Shutdown

Time of First Successful Submission: 2025-02-22 00:55:01

Listen

Time of First Successful Submission: 2024-07-01 14:06:28

Scan 1

Time of First Successful Submission: 2024-07-01 14:08:02

Scan 2

Time of First Successful Submission: 2024-07-01 14:23:35

Monitor 1

Time of First Successful Submission: 2024-07-01 14:25:34

Monitor 2

Time of First Successful Submission: 2024-07-01 14:51:50

Sniffing Cookies

Time of First Successful Submission: 2025-02-24 19:47:50

Network Configuration

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

Firewall 1

Time of First Successful Submission: 2025-02-24 19:49:22

Firewall 2

Time of First Successful Submission: 2025-02-24 19:50:41

Firewall 3

Time of First Successful Submission: 2025-02-24 19:52:06

Denial of Service 1

Time of First Successful Submission: 2025-03-29 21:18:26

Denial of Service 2

Time of First Successful Submission: 2025-03-29 21:21:13

Denial of Service 3

Time of First Successful Submission: 2025-03-29 22:09:03

Ethernet

Time of First Successful Submission: 2024-07-01 15:44:27

IP

Time of First Successful Submission: 2024-07-01 15:50:05

TCP

Time of First Successful Submission: 2024-07-01 15:57:24

TCP Handshake

Time of First Successful Submission: 2024-07-01 18:30:13

UDP

Time of First Successful Submission: 2025-02-24 19:55:31

UDP 2

Time of First Successful Submission: 2025-02-24 19:57:11

UDP Spoofing 1

Time of First Successful Submission: 2025-02-24 20:00:33

UDP Spoofing 2

Time of First Successful Submission: 2025-02-24 20:09:17

UDP Spoofing 3

Time of First Successful Submission: 2025-03-29 22:50:47

UDP Spoofing 4

Time of First Successful Submission: 2025-03-30 00:05:43

ARP

Time of First Successful Submission: 2024-07-01 19:20:03

Intercept

Time of First Successful Submission: 2024-07-01 19:30:25

Man-in-the-Middle

Time of First Successful Submission: 2024-07-01 21:57:42

XOR

Time of First Successful Submission: 2024-10-27 11:28:37

XORing Hex

Time of First Successful Submission: 2024-10-27 11:53:06

XORing ASCII

Time of First Successful Submission: 2024-10-27 11:59:39

XORing ASCII Strings

Time of First Successful Submission: 2024-10-27 12:05:51

One-time Pad

Time of First Successful Submission: 2024-07-02 11:50:24

One-time Pad Tampering

Time of First Successful Submission: 2025-07-11 15:19:12

Many-time Pad

Time of First Successful Submission: 2024-07-02 11:58:40

AES

Time of First Successful Submission: 2024-07-02 12:05:51

AES-ECB-CPA

Time of First Successful Submission: 2024-10-27 12:39:43

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-07-11 16:29:13

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2024-10-27 13:07:10

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2024-10-27 13:26:13

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2024-10-27 14:35:28

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2024-10-27 14:43:32

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2024-07-02 18:00:43

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2024-10-27 16:04:04

AES-CBC

Time of First Successful Submission: 2024-10-27 17:20:12

AES-CBC Tampering

Time of First Successful Submission: 2024-10-27 18:09:17

AES-CBC Resizing

Time of First Successful Submission: 2024-10-27 18:11:58

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-07-11 18:14:41

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-29 22:51:07

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2024-10-28 15:14:58

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-29 23:24:26

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-29 23:26:29

DHKE

Time of First Successful Submission: 2024-07-02 19:06:56

DHKE-to-AES

Time of First Successful Submission: 2025-11-29 23:46:05

RSA 1

Time of First Successful Submission: 2024-07-02 19:13:19

RSA 2

Time of First Successful Submission: 2024-07-02 20:24:35

RSA 3

Time of First Successful Submission: 2024-07-02 21:16:31

RSA 4

Time of First Successful Submission: 2024-07-02 21:29:25

RSA Signatures

Time of First Successful Submission: 2025-11-30 00:22:14

SHA 1

Time of First Successful Submission: 2024-07-02 20:58:19

SHA 2

Time of First Successful Submission: 2024-07-02 21:10:18

TLS 1

Time of First Successful Submission: 2024-07-02 23:10:56

TLS 2

Time of First Successful Submission: 2024-07-02 23:04:43

level1

Time of First Successful Submission: 2024-07-01 22:05:49

level2

Time of First Successful Submission: 2024-07-01 22:06:23

level3

Time of First Successful Submission: 2024-07-01 22:06:39

level4

Time of First Successful Submission: 2024-07-01 22:06:55

level5

Time of First Successful Submission: 2024-07-01 22:07:15

level6

Time of First Successful Submission: 2024-07-01 22:10:30

level7

Time of First Successful Submission: 2024-07-01 22:11:35

level8

Time of First Successful Submission: 2024-07-01 22:11:54

level9

Time of First Successful Submission: 2024-07-01 22:12:24

level10

Time of First Successful Submission: 2024-07-01 22:13:51

level11

Time of First Successful Submission: 2024-07-01 22:16:10

level12

Time of First Successful Submission: 2024-07-01 22:18:59

level13

Time of First Successful Submission: 2024-07-01 22:20:23

level14

Time of First Successful Submission: 2024-07-01 22:21:18

level15

Time of First Successful Submission: 2024-07-01 22:22:10

level16

Time of First Successful Submission: 2024-07-01 22:23:32

level17

Time of First Successful Submission: 2024-07-01 23:17:16

level18

Time of First Successful Submission: 2024-07-01 23:25:18

level19

Time of First Successful Submission: 2024-07-01 23:42:20

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-11-30 00:33:22

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-11-30 00:35:52

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-11-30 00:47:46

Reading Endianness (Python)

Time of First Successful Submission: 2025-11-30 00:49:34

Reading Endianness (C)

Time of First Successful Submission: 2025-11-30 00:50:32

Reading Endianness (x86)

Time of First Successful Submission: 2025-11-30 00:52:50

Version Information (Python)

Time of First Successful Submission: 2025-11-30 16:17:20

Version Information (C)

Time of First Successful Submission: 2025-11-30 16:19:57

Version Information (x86)

Time of First Successful Submission: 2025-11-30 16:22:11

Metadata and Data (Python)

Time of First Successful Submission: 2025-11-30 16:29:27

Metadata and Data (C)

Time of First Successful Submission: 2025-11-30 16:31:35

Metadata and Data (x86)

Time of First Successful Submission: 2025-11-30 16:34:36

Input Restrictions (Python)

Time of First Successful Submission: 2025-11-30 16:38:52

Input Restrictions (C)

Time of First Successful Submission: 2025-11-30 16:41:07

Input Restrictions (x86)

Time of First Successful Submission: 2025-11-30 16:45:03

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-11-30 16:50:50

Behold the cIMG! (C)

Time of First Successful Submission: 2025-11-30 16:52:44

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-11-30 17:03:30

A Basic cIMG (Python)

Time of First Successful Submission: 2025-11-30 17:34:30

A Basic cIMG (C)

Time of First Successful Submission: 2025-11-30 17:36:41

A Basic cIMG (x86)

Time of First Successful Submission: 2025-11-30 17:42:05

Internal State Mini (C)

Time of First Successful Submission: 2025-12-04 23:12:59

Internal State Mini (x86)

Time of First Successful Submission: 2025-12-04 23:26:56

Internal State (C)

Time of First Successful Submission: 2025-12-04 23:49:06

Internal State (x86)

Time of First Successful Submission: 2025-12-06 21:08:22

File Formats: Directives (C)

Time of First Successful Submission: 2025-12-06 21:31:05

File Formats: Directives (x86)

Time of First Successful Submission: 2025-12-06 21:35:05

The Patch Directive

Time of First Successful Submission: 2025-12-07 21:38:17

Optimizing for Space

Time of First Successful Submission: 2025-12-08 17:30:55

Tweaking Images

Time of First Successful Submission: 2025-12-08 17:51:59

Storage and Retrieval

Time of First Successful Submission: 2025-12-08 23:33:25

Extracting Knowledge

Time of First Successful Submission: 2025-12-08 23:42:02

Advanced Sprites

Time of First Successful Submission: 2025-12-09 21:13:09

Accessing Resources

Time of First Successful Submission: 2025-12-09 22:03:49

Unsafe Animations

Time of First Successful Submission: 2026-01-15 16:41:21

Animations

Time of First Successful Submission: 2026-01-15 17:21:57

Interoperability: Patching Data

Time of First Successful Submission: 2026-01-15 17:54:25

Patching Code

Time of First Successful Submission: 2026-01-15 18:08:09

Patching Control Flow

Time of First Successful Submission: 2026-01-15 18:29:14

Your First Overflow (easy)

Time of First Successful Submission: 2024-08-01 22:09:05

Your First Overflow (hard)

Time of First Successful Submission: 2024-08-01 22:09:39

Precision (easy)

Time of First Successful Submission: 2025-12-03 23:34:01

Precision (hard)

Time of First Successful Submission: 2025-12-03 23:38:31

Variable Control (easy)

Time of First Successful Submission: 2024-08-01 22:13:23

Variable Control (hard)

Time of First Successful Submission: 2024-08-02 14:34:39

Control Hijack (easy)

Time of First Successful Submission: 2024-08-02 14:43:02

Control Hijack (hard)

Time of First Successful Submission: 2024-08-02 14:46:09

Tricky Control Hijack (easy)

Time of First Successful Submission: 2024-08-02 20:48:45

Tricky Control Hijack (hard)

Time of First Successful Submission: 2024-08-02 20:52:29

PIEs (easy)

Time of First Successful Submission: 2024-08-03 18:28:03

PIEs (hard)

Time of First Successful Submission: 2024-08-03 18:30:31

String Lengths (easy)

Time of First Successful Submission: 2024-08-03 18:57:16

String Lengths (hard)

Time of First Successful Submission: 2024-08-03 19:05:40

Basic Shellcode

Time of First Successful Submission: 2024-07-04 22:33:54

NOP Sleds

Time of First Successful Submission: 2024-07-04 22:46:30

NULL-Free Shellcode

Time of First Successful Submission: 2024-07-04 22:59:32

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2024-09-11 17:30:02

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2024-09-11 17:33:07

Hijack to Shellcode (easy)

Time of First Successful Submission: 2024-09-11 21:16:20

Hijack to Shellcode (hard)

Time of First Successful Submission: 2024-09-11 22:02:08

ECB-to-Win (easy)

Time of First Successful Submission: 2025-12-04 21:25:01

ECB-to-Win (hard)

Time of First Successful Submission: 2025-12-04 22:06:56

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-01-15 21:47:47

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-01-16 00:28:02

CIMG Screenshots

Time of First Successful Submission: 2026-01-21 20:44:18

ello ackers!

Time of First Successful Submission: 2024-07-04 23:42:26

Syscall Smuggler

Time of First Successful Submission: 2024-07-05 15:20:45

Syscall Shenanigans

Time of First Successful Submission: 2024-07-05 16:14:32

Byte Budget

Time of First Successful Submission: 2024-07-08 14:36:13

ClobberCode

Time of First Successful Submission: 2024-07-08 16:02:47

Diverse Delivery

Time of First Successful Submission: 2024-07-08 17:34:01

Pocket Payload

Time of First Successful Submission: 2024-07-11 18:50:59

Micro Menace

Time of First Successful Submission: 2024-07-11 19:08:52

Bounds Breaker (Easy)

Time of First Successful Submission: 2024-08-02 15:00:59

Bounds Breaker (Hard)

Time of First Successful Submission: 2024-08-02 15:05:36

Casting Catastrophe (Easy)

Time of First Successful Submission: 2024-08-02 15:33:07

Casting Catastrophe (Hard)

Time of First Successful Submission: 2024-08-02 15:42:32

Loop Lunacy (Easy)

Time of First Successful Submission: 2024-08-03 19:55:58

Loop Lunacy (Hard)

Time of First Successful Submission: 2024-08-03 22:19:51

Nosy Neighbor (Easy)

Time of First Successful Submission: 2024-08-03 23:20:08

Nosy Neighbor (Hard)

Time of First Successful Submission: 2024-08-03 23:29:02

Recursive Ruin (Easy)

Time of First Successful Submission: 2024-09-10 16:51:39

Recursive Ruin (Hard)

Time of First Successful Submission: 2024-09-10 20:57:57

Lingering Leftover (Easy)

Time of First Successful Submission: 2024-09-11 13:05:09

Lingering Leftover (Hard)

Time of First Successful Submission: 2024-09-11 13:15:52

Latent Leak (Easy)

Time of First Successful Submission: 2024-09-11 14:02:34

Latent Leak (Hard)

Time of First Successful Submission: 2024-09-11 14:51:30

Fork Foolery (Easy)

Time of First Successful Submission: 2024-09-11 16:15:26

Fork Foolery (Hard)

Time of First Successful Submission: 2024-09-11 16:20:28

Canary Conundrum (Easy)

Time of First Successful Submission: 2024-09-11 23:13:42

Canary Conundrum (Hard)

Time of First Successful Submission: 2024-09-12 00:06:58

A Crafty Clobber (Easy)

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

A Crafty Clobber (Hard)

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

Terrible Token (Easy)

Time of First Successful Submission: 2024-07-12 14:59:34

Terrible Token (Hard)

Time of First Successful Submission: 2024-07-12 15:00:34

Tangled Ticket (Easy)

Time of First Successful Submission: 2024-07-12 15:03:06

Tangled Ticket (Hard)

Time of First Successful Submission: 2024-07-12 18:23:01

Meager Mangler (Easy)

Time of First Successful Submission: 2024-07-12 18:54:42

Meager Mangler (Hard)

Time of First Successful Submission: 2024-07-12 22:30:24

Monstrous Mangler (Easy)

Time of First Successful Submission: 2024-07-13 18:35:22

Monstrous Mangler (Hard)

Time of First Successful Submission: 2024-07-13 19:23:24

Patched Up (Easy)

Time of First Successful Submission: 2024-07-13 21:27:10

Patched Up (Hard)

Time of First Successful Submission: 2024-07-14 13:09:17

Puzzle Patch (Easy)

Time of First Successful Submission: 2024-07-14 13:10:19

Puzzle Patch (Hard)

Time of First Successful Submission: 2024-07-14 13:10:54

Patch Perfect (Easy)

Time of First Successful Submission: 2024-07-14 13:15:55

Patch Perfect (Hard)

Time of First Successful Submission: 2024-07-14 13:26:23

Trust the Yancode (Easy)

Time of First Successful Submission: 2024-07-16 13:39:29

Trust the Yancode (Hard)

Time of First Successful Submission: 2024-07-16 13:50:30

Know the Yancode (Easy)

Time of First Successful Submission: 2024-07-16 14:16:37

Know the Yancode (Hard)

Time of First Successful Submission: 2024-07-16 15:24:36

Master the Yancode (Easy)

Time of First Successful Submission: 2024-07-16 15:44:15

Master the Yancode (Hard)

Time of First Successful Submission: 2024-07-16 18:34:08

Transcend the Yancode (Easy)

Time of First Successful Submission: 2024-07-17 18:47:53

Transcend the Yancode (Hard)

Time of First Successful Submission: 2024-07-17 20:15:10

The Yanalyzer (Easy)

Time of First Successful Submission: 2024-07-24 14:45:28

The Yanalyzer (Hard)

Time of First Successful Submission: 2024-07-24 15:50:15

The Yangler (Easy)

Time of First Successful Submission: 2024-07-31 17:52:28

The Yangler (Hard)

Time of First Successful Submission: 2024-07-31 20:28:24

Yancraft (Easy)

Time of First Successful Submission: 2024-07-31 22:46:13

Yancraft (Hard)

Time of First Successful Submission: 2024-07-31 22:59:11

Yansanity (Easy)

Time of First Successful Submission: 2024-08-01 10:53:43

Yansanity (Hard)

Time of First Successful Submission: 2024-08-01 22:02:53

Containment Composition (Easy)

Time of First Successful Submission: 2024-09-12 15:16:30

Containment Composition (Hard)

Time of First Successful Submission: 2024-09-12 16:02:00

Constant Corruption (Easy)

Time of First Successful Submission: 2024-09-22 15:21:23

Constant Corruption (Hard)

Time of First Successful Submission: 2024-09-22 15:35:00

Using the Terminal

Time of First Successful Submission: 2025-08-08 13:38:32

Using the VSCode Workspace

Time of First Successful Submission: 2024-02-11 19:33:44

Using the GUI Desktop

Time of First Successful Submission: 2024-02-11 19:36:44

Pasting into the Desktop

Time of First Successful Submission: 2024-02-11 19:38:05

Restarting Challenges

Time of First Successful Submission: 2024-06-23 22:38:26

Challenge Programs

Time of First Successful Submission: 2024-06-23 22:39:09

The Flag File

Time of First Successful Submission: 2024-02-11 19:40:04

Using Privileged Mode

Time of First Successful Submission: 2024-02-11 19:43:00

Persistent Home Directories - One

Time of First Successful Submission: 2024-02-11 19:51:54

Persistent Home Directories - Two

Time of First Successful Submission: 2024-02-11 19:52:41

Intro to Commands

Time of First Successful Submission: 2024-07-03 20:11:11

Intro to Arguments

Time of First Successful Submission: 2024-07-03 20:11:36

Command History

Time of First Successful Submission: 2025-06-28 18:31:08

The Root

Time of First Successful Submission: 2024-06-23 22:40:38

Program and absolute paths

Time of First Successful Submission: 2024-06-23 22:41:26

Position thy self

Time of First Successful Submission: 2024-06-23 22:42:10

Position elsewhere

Time of First Successful Submission: 2024-06-23 22:43:01

implicit relative paths, from /

Time of First Successful Submission: 2024-06-23 22:44:46

explicit relative paths, from /

Time of First Successful Submission: 2024-06-23 22:50:30

implicit relative path

Time of First Successful Submission: 2024-06-23 22:47:40

home sweet home

Time of First Successful Submission: 2024-06-23 22:50:18

cat: not the pet, but the command!

Time of First Successful Submission: 2024-06-23 22:51:42

catting absolute paths

Time of First Successful Submission: 2024-06-23 22:52:32

more catting practice

Time of First Successful Submission: 2024-06-23 22:53:23

grepping for a needle in a haystack

Time of First Successful Submission: 2024-06-23 22:54:03

comparing files

Time of First Successful Submission: 2025-08-08 13:45:00

listing files

Time of First Successful Submission: 2024-06-23 22:54:49

touching files

Time of First Successful Submission: 2024-06-23 22:55:16

removing files

Time of First Successful Submission: 2024-06-23 22:55:40

moving files

Time of First Successful Submission: 2025-06-28 18:33:53

copying files

Time of First Successful Submission: 2025-11-21 18:38:41

hidden files

Time of First Successful Submission: 2024-06-23 22:56:53

An Epic Filesystem Quest

Time of First Successful Submission: 2024-06-23 23:11:39

making directories

Time of First Successful Submission: 2024-06-23 23:12:11

finding files

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

linking files

Time of First Successful Submission: 2024-07-23 11:45:33

Learning From Documentation

Time of First Successful Submission: 2024-06-23 23:15:29

Learning Complex Usage

Time of First Successful Submission: 2024-06-23 23:17:31

Reading Manuals

Time of First Successful Submission: 2024-06-23 23:18:32

Searching Manuals

Time of First Successful Submission: 2024-06-23 23:19:13

Searching For Manuals

Time of First Successful Submission: 2024-06-23 23:20:36

Helpful Programs

Time of First Successful Submission: 2024-06-23 23:21:43

Help for Builtins

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

Matching with *

Time of First Successful Submission: 2024-06-23 23:24:21

Matching with ?

Time of First Successful Submission: 2024-06-23 23:25:03

Matching with []

Time of First Successful Submission: 2024-06-23 23:26:15

Matching paths with []

Time of First Successful Submission: 2024-06-23 23:27:30

Multiple globs

Time of First Successful Submission: 2025-06-28 18:35:32

Mixing globs

Time of First Successful Submission: 2024-06-23 23:28:48

Exclusionary globbing

Time of First Successful Submission: 2024-06-23 23:29:46

Tab completion

Time of First Successful Submission: 2025-06-28 18:35:54

Multiple options for tab completion

Time of First Successful Submission: 2025-06-28 18:37:38

Tab completion on commands

Time of First Successful Submission: 2025-06-28 18:38:10

Redirecting output

Time of First Successful Submission: 2024-06-23 23:32:07

Redirecting more output

Time of First Successful Submission: 2024-06-23 23:33:59

Appending output

Time of First Successful Submission: 2024-06-23 23:35:44

Redirecting errors

Time of First Successful Submission: 2024-06-23 23:36:49

Redirecting input

Time of First Successful Submission: 2024-06-23 23:37:48

Grepping stored results

Time of First Successful Submission: 2024-06-23 23:39:10

Grepping live output

Time of First Successful Submission: 2024-06-23 23:39:37

Grepping errors

Time of First Successful Submission: 2024-06-23 23:40:16

Filtering with grep -v

Time of First Successful Submission: 2025-06-28 18:38:58

Filtering with sed

Time of First Successful Submission: 2025-11-21 18:43:27

Duplicating piped data with tee

Time of First Successful Submission: 2024-06-23 23:41:37

Process substitution for input

Time of First Successful Submission: 2025-08-08 13:48:17

Writing to multiple programs

Time of First Successful Submission: 2024-07-20 22:07:59

Split-piping stderr and stdout

Time of First Successful Submission: 2024-08-22 11:00:37

Named pipes

Time of First Successful Submission: 2025-08-08 13:52:09

Printing Variables

Time of First Successful Submission: 2024-06-23 23:42:07

Setting Variables

Time of First Successful Submission: 2024-06-23 23:43:12

Multi-word Variables

Time of First Successful Submission: 2024-06-23 23:43:43

Exporting Variables

Time of First Successful Submission: 2024-06-23 23:44:19

Printing Exported Variables

Time of First Successful Submission: 2024-06-23 23:42:36

Storing Command Output

Time of First Successful Submission: 2024-07-20 22:10:34

Reading Input

Time of First Successful Submission: 2024-06-23 23:44:42

Reading Files

Time of First Successful Submission: 2024-06-23 23:45:19

Translating characters

Time of First Successful Submission: 2025-06-28 18:46:16

Deleting characters

Time of First Successful Submission: 2025-06-28 18:46:50

Deleting newlines

Time of First Successful Submission: 2025-06-28 18:47:44

Extracting the first lines with head

Time of First Successful Submission: 2025-06-28 18:48:22

Extracting specific sections of text

Time of First Successful Submission: 2025-06-28 18:50:22

Sorting data

Time of First Successful Submission: 2025-08-08 13:53:20

Listing Processes

Time of First Successful Submission: 2024-06-23 23:52:20

Killing Processes

Time of First Successful Submission: 2024-06-23 23:53:53

Interrupting Processes

Time of First Successful Submission: 2024-06-23 23:54:11

Killing Misbehaving Processes

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

Suspending Processes

Time of First Successful Submission: 2024-06-23 23:54:44

Resuming Processes

Time of First Successful Submission: 2024-06-23 23:55:15

Backgrounding Processes

Time of First Successful Submission: 2024-06-23 23:57:30

Foregrounding Processes

Time of First Successful Submission: 2024-06-23 23:58:55

Starting Backgrounded Processes

Time of First Successful Submission: 2024-06-23 23:59:38

Process Exit Codes

Time of First Successful Submission: 2024-08-06 13:58:15

Becoming root with su

Time of First Successful Submission: 2024-07-18 13:25:05

Other users with su

Time of First Successful Submission: 2024-07-18 13:25:34

Cracking passwords

Time of First Successful Submission: 2024-07-18 13:28:51

Using sudo

Time of First Successful Submission: 2024-07-18 13:28:20

Changing File Ownership

Time of First Successful Submission: 2024-06-24 00:05:57

Groups and Files

Time of First Successful Submission: 2024-07-04 14:01:37

Fun With Groups Names

Time of First Successful Submission: 2024-07-04 14:02:15

Changing Permissions

Time of First Successful Submission: 2024-07-04 14:02:36

Executable Files

Time of First Successful Submission: 2024-06-24 00:06:52

Permission Tweaking Practice

Time of First Successful Submission: 2024-06-24 00:02:37

Permissions Setting Practice

Time of First Successful Submission: 2024-06-24 00:04:58

The SUID Bit

Time of First Successful Submission: 2024-06-24 00:07:37

Chaining with Semicolons

Time of First Successful Submission: 2024-06-23 23:46:19

Building on Success

Time of First Successful Submission: 2025-08-08 14:30:52

Handling Failure

Time of First Successful Submission: 2025-08-08 14:34:12

Your First Shell Script

Time of First Successful Submission: 2024-06-23 23:47:28

Redirecting Script Output

Time of First Successful Submission: 2024-06-23 23:48:22

Executable Shell Scripts

Time of First Successful Submission: 2024-07-04 14:07:41

Understanding Shebangs

Time of First Successful Submission: 2025-08-08 14:38:10

Scripting with Arguments

Time of First Successful Submission: 2025-08-08 14:39:56

Scripting with Conditionals

Time of First Successful Submission: 2025-08-08 14:42:54

Scripting with Default Cases

Time of First Successful Submission: 2025-08-08 14:43:41

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-08-08 14:45:03

Reading Shell Scripts

Time of First Successful Submission: 2025-11-21 18:45:19

Launching Screen

Time of First Successful Submission: 2025-08-08 14:46:24

Detaching and Attaching

Time of First Successful Submission: 2025-08-08 14:47:03

Finding Sessions

Time of First Successful Submission: 2025-08-08 14:48:24

Switching Windows

Time of First Successful Submission: 2025-08-08 14:50:41

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-08-08 14:54:12

Switching Windows (tmux)

Time of First Successful Submission: 2025-08-08 14:54:46

The PATH Variable

Time of First Successful Submission: 2024-06-23 23:45:56

Setting PATH

Time of First Successful Submission: 2024-07-04 14:08:45

Finding Commands

Time of First Successful Submission: 2025-06-28 18:51:33

Adding Commands

Time of First Successful Submission: 2024-07-04 14:10:09

Hijacking Commands

Time of First Successful Submission: 2024-07-04 14:11:42

Bashrc Backdoor

Time of First Successful Submission: 2025-06-28 18:53:22

Sniffing Input

Time of First Successful Submission: 2025-06-28 18:55:24

Overshared Directories

Time of First Successful Submission: 2025-06-28 18:59:16

Tricky Linking

Time of First Successful Submission: 2025-06-28 19:02:16

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-28 19:04:16

Snooping on Configurations

Time of First Successful Submission: 2025-06-28 19:06:22

The Fork Bomb

Time of First Successful Submission: 2025-06-28 19:11:12

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-28 19:13:48

rm -rf /

Time of First Successful Submission: 2025-06-28 19:55:53

Life after rm -rf /

Time of First Successful Submission: 2025-06-28 20:16:13

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-28 20:25:36

Your First Register

Time of First Successful Submission: 2024-10-27 10:55:02

Your First Syscall

Time of First Successful Submission: 2024-10-27 10:56:26

Exit Codes

Time of First Successful Submission: 2024-10-27 10:57:29

Building Executables

Time of First Successful Submission: 2024-10-27 11:06:27

Moving Between Registers

Time of First Successful Submission: 2024-10-27 11:08:34

Tracing Syscalls

Time of First Successful Submission: 2024-10-27 11:07:15

Starting GDB

Time of First Successful Submission: 2025-02-21 21:12:03

Starting Programs in GDB

Time of First Successful Submission: 2025-02-21 21:13:08

Loading From Memory

Time of First Successful Submission: 2024-10-27 11:09:59

More Loading Practice

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

Dereferencing Pointers

Time of First Successful Submission: 2024-10-27 11:11:32

Dereferencing Yourself

Time of First Successful Submission: 2024-10-27 11:15:36

Dereferencing with Offsets

Time of First Successful Submission: 2024-10-27 11:16:09

Stored Addresses

Time of First Successful Submission: 2024-10-27 11:17:25

Double Dereference

Time of First Successful Submission: 2024-10-27 11:18:22

Triple Dereference

Time of First Successful Submission: 2024-10-27 11:19:44

Writing Output

Time of First Successful Submission: 2024-10-27 11:24:33

Chaining Syscalls

Time of First Successful Submission: 2024-10-27 11:25:19

Writing Strings

Time of First Successful Submission: 2024-10-27 11:26:05

Reading Data

Time of First Successful Submission: 2025-02-21 21:10:17

set-register

Time of First Successful Submission: 2024-06-26 21:56:23

set-multiple-registers

Time of First Successful Submission: 2024-06-26 21:57:33

add-to-register

Time of First Successful Submission: 2024-06-26 21:58:58

linear-equation-registers

Time of First Successful Submission: 2024-06-26 22:02:05

integer-division

Time of First Successful Submission: 2024-06-26 22:09:22

modulo-operation

Time of First Successful Submission: 2024-06-26 22:14:45

set-upper-byte

Time of First Successful Submission: 2024-06-26 22:16:43

efficient-modulo

Time of First Successful Submission: 2024-06-26 22:27:51

byte-extraction

Time of First Successful Submission: 2024-06-26 22:42:20

bitwise-and

Time of First Successful Submission: 2024-06-26 22:53:57

check-even

Time of First Successful Submission: 2024-06-26 22:58:24

memory-read

Time of First Successful Submission: 2024-06-26 23:02:36

memory-write

Time of First Successful Submission: 2024-06-26 23:03:20

memory-increment

Time of First Successful Submission: 2024-06-26 23:08:00

byte-access

Time of First Successful Submission: 2024-06-26 23:09:59

memory-size-access

Time of First Successful Submission: 2024-06-26 23:10:59

little-endian-write

Time of First Successful Submission: 2024-06-26 23:18:46

memory-sum

Time of First Successful Submission: 2024-06-26 23:21:46

stack-subtraction

Time of First Successful Submission: 2024-06-26 23:24:33

swap-stack-values

Time of First Successful Submission: 2024-06-26 23:26:04

average-stack-values

Time of First Successful Submission: 2024-06-26 23:31:35

absolute-jump

Time of First Successful Submission: 2024-06-26 23:34:32

relative-jump

Time of First Successful Submission: 2024-06-26 23:40:16

jump-trampoline

Time of First Successful Submission: 2024-06-26 23:41:58

conditional-jump

Time of First Successful Submission: 2024-06-26 23:56:47

indirect-jump

Time of First Successful Submission: 2024-06-27 11:28:31

average-loop

Time of First Successful Submission: 2024-06-27 11:37:17

count-non-zero

Time of First Successful Submission: 2024-06-27 11:45:59

string-lower

Time of First Successful Submission: 2024-06-27 12:35:26

most-common-byte

Time of First Successful Submission: 2024-06-27 23:55:50

Debugging Programs

Time of First Successful Submission: 2024-06-28 00:00:10

Inspecting Registers

Time of First Successful Submission: 2024-06-28 00:00:51

Examining Memory

Time of First Successful Submission: 2024-06-28 00:10:31

Setting Breakpoints

Time of First Successful Submission: 2024-06-28 00:21:51

GDB Scripting

Time of First Successful Submission: 2024-06-28 00:33:32

Modifying Data

Time of First Successful Submission: 2024-06-28 00:51:53

Modifying Execution

Time of First Successful Submission: 2024-06-28 00:53:12

Broken Functions

Time of First Successful Submission: 2024-06-28 01:04:49

Exit

Time of First Successful Submission: 2024-06-28 14:52:16

Socket

Time of First Successful Submission: 2024-06-28 14:59:44

Bind

Time of First Successful Submission: 2024-06-28 17:01:59

Listen

Time of First Successful Submission: 2024-06-28 17:08:58

Accept

Time of First Successful Submission: 2024-06-28 17:11:00

Static Response

Time of First Successful Submission: 2024-06-28 17:38:58

Dynamic Response

Time of First Successful Submission: 2024-06-28 21:27:55

Iterative GET Server

Time of First Successful Submission: 2024-06-28 21:40:47

Concurrent GET Server

Time of First Successful Submission: 2024-07-01 11:53:39

Concurrent POST Server

Time of First Successful Submission: 2024-07-01 14:00:44

Web Server

Time of First Successful Submission: 2024-07-01 14:01:12

What's the password?

Time of First Successful Submission: 2025-02-21 21:15:58

... and again!

Time of First Successful Submission: 2025-02-21 21:18:17

Newline Troubles

Time of First Successful Submission: 2025-02-21 21:19:03

Reasoning about files

Time of First Successful Submission: 2025-02-21 21:20:03

Specifying Filenames

Time of First Successful Submission: 2025-02-21 21:22:06

Binary and Hex Encoding

Time of First Successful Submission: 2025-02-21 21:32:01

More Hex

Time of First Successful Submission: 2025-02-21 21:32:55

Decoding Hex

Time of First Successful Submission: 2025-02-21 21:36:14

Decoding Practice

Time of First Successful Submission: 2025-02-21 21:40:41

Encoding Practice

Time of First Successful Submission: 2025-02-21 21:44:16

Hex-encoding ASCII

Time of First Successful Submission: 2025-02-21 21:54:05

Nested Encoding

Time of First Successful Submission: 2025-02-21 21:55:46

Hex-encoding UTF-8

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

UTF Mixups

Time of First Successful Submission: 2025-02-21 22:00:57

Modifying Encoded Data

Time of First Successful Submission: 2025-02-21 22:07:10

Decoding Base64

Time of First Successful Submission: 2024-07-02 11:48:32

Encoding Base64

Time of First Successful Submission: 2025-02-21 22:07:56

Dealing with Obfuscation

Time of First Successful Submission: 2025-02-21 22:15:59

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-02-21 22:19:10

Your First HTTP Request

Time of First Successful Submission: 2025-02-22 14:10:08

Reading Flask

Time of First Successful Submission: 2025-02-22 14:11:20

Commented Data

Time of First Successful Submission: 2025-02-22 14:11:54

HTTP Metadata

Time of First Successful Submission: 2025-02-22 14:13:14

HTTP (netcat)

Time of First Successful Submission: 2024-06-28 13:45:22

HTTP Paths (netcat)

Time of First Successful Submission: 2024-06-28 13:51:45

HTTP (curl)

Time of First Successful Submission: 2024-06-28 13:50:58

HTTP (python)

Time of First Successful Submission: 2024-06-28 13:52:29

HTTP Host Header (python)

Time of First Successful Submission: 2024-06-28 13:49:54

HTTP Host Header (curl)

Time of First Successful Submission: 2024-06-28 13:47:54

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-06-28 13:48:39

URL Encoding (netcat)

Time of First Successful Submission: 2024-06-28 13:59:14

HTTP GET Parameters

Time of First Successful Submission: 2024-06-28 13:59:47

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-06-28 14:07:09

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-06-28 14:05:35

HTTP Forms

Time of First Successful Submission: 2025-02-22 14:16:23

HTTP Forms (curl)

Time of First Successful Submission: 2024-06-28 14:10:58

HTTP Forms (netcat)

Time of First Successful Submission: 2024-06-28 14:15:13

HTTP Forms (python)

Time of First Successful Submission: 2024-06-28 14:16:45

HTTP Forms Without Forms

Time of First Successful Submission: 2025-02-22 14:17:40

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-06-28 14:17:58

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-06-28 14:21:27

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-06-28 14:34:13

HTTP Redirects (curl)

Time of First Successful Submission: 2024-06-28 14:33:03

HTTP Redirects (python)

Time of First Successful Submission: 2024-06-28 14:34:43

HTTP Cookies (curl)

Time of First Successful Submission: 2024-06-28 14:35:55

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-06-28 14:36:49

HTTP Cookies (python)

Time of First Successful Submission: 2024-06-28 14:39:37

Server State (python)

Time of First Successful Submission: 2024-06-28 14:46:17

Listening Web

Time of First Successful Submission: 2025-02-22 14:19:32

Speaking Redirects

Time of First Successful Submission: 2025-02-22 14:24:10

JavaScript Redirects

Time of First Successful Submission: 2025-02-22 14:28:04

Including JavaScript

Time of First Successful Submission: 2025-02-22 14:51:17

HTTP (javascript)

Time of First Successful Submission: 2025-02-22 15:09:18

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-02-22 15:32:01

HTTP Forms (javascript)

Time of First Successful Submission: 2025-02-22 16:06:59

cat

Time of First Successful Submission: 2024-02-11 19:55:21

more

Time of First Successful Submission: 2024-02-11 19:55:48

less

Time of First Successful Submission: 2024-02-11 19:58:22

tail

Time of First Successful Submission: 2024-02-11 20:02:14

head

Time of First Successful Submission: 2024-02-11 20:02:40

sort

Time of First Successful Submission: 2024-02-11 20:03:03

vim

Time of First Successful Submission: 2024-02-11 20:03:37

emacs

Time of First Successful Submission: 2024-02-11 20:04:07

nano

Time of First Successful Submission: 2024-02-11 20:06:35

rev

Time of First Successful Submission: 2024-02-11 20:07:07

od

Time of First Successful Submission: 2024-02-11 20:40:41

hd

Time of First Successful Submission: 2024-02-11 20:44:17

xxd

Time of First Successful Submission: 2024-02-11 20:44:56

base32

Time of First Successful Submission: 2024-02-11 20:45:34

base64

Time of First Successful Submission: 2024-02-11 20:46:00

split

Time of First Successful Submission: 2024-02-11 20:46:58

gzip

Time of First Successful Submission: 2024-02-11 20:48:52

bzip2

Time of First Successful Submission: 2024-02-11 20:49:31

zip

Time of First Successful Submission: 2024-02-11 20:51:03

tar

Time of First Successful Submission: 2024-02-11 20:52:10

ar

Time of First Successful Submission: 2024-02-11 20:53:59

cpio

Time of First Successful Submission: 2024-02-11 20:55:09

genisoimage

Time of First Successful Submission: 2024-02-11 21:00:00

env

Time of First Successful Submission: 2024-02-11 21:00:41

find

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

make

Time of First Successful Submission: 2024-02-11 21:04:12

nice

Time of First Successful Submission: 2024-02-11 21:04:47

timeout

Time of First Successful Submission: 2024-02-11 21:05:15

stdbuf

Time of First Successful Submission: 2024-02-11 21:06:11

setarch

Time of First Successful Submission: 2024-02-11 21:07:00

watch

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

socat

Time of First Successful Submission: 2024-02-11 21:10:12

whiptail

Time of First Successful Submission: 2024-02-11 21:14:20

awk

Time of First Successful Submission: 2024-02-11 21:15:16

sed

Time of First Successful Submission: 2024-02-11 21:16:02

ed

Time of First Successful Submission: 2024-02-11 21:17:21

chown

Time of First Successful Submission: 2024-02-11 21:17:58

chmod

Time of First Successful Submission: 2024-02-11 21:18:31

cp

Time of First Successful Submission: 2024-02-11 21:19:02

mv

Time of First Successful Submission: 2024-02-11 21:38:19

perl

Time of First Successful Submission: 2024-02-11 21:41:02

python

Time of First Successful Submission: 2024-02-11 21:44:20

ruby

Time of First Successful Submission: 2024-02-11 21:47:11

bash

Time of First Successful Submission: 2024-02-11 21:48:05

date

Time of First Successful Submission: 2024-02-11 21:48:56

dmesg

Time of First Successful Submission: 2024-02-11 21:49:42

wc

Time of First Successful Submission: 2024-02-11 21:51:55

gcc

Time of First Successful Submission: 2024-02-11 21:54:39

as

Time of First Successful Submission: 2024-02-11 21:56:46

wget

Time of First Successful Submission: 2024-02-11 22:41:48

ssh-keygen

Time of First Successful Submission: 2024-06-24 00:44:55

SQL Queries

Time of First Successful Submission: 2025-02-22 16:10:56

Filtering SQL

Time of First Successful Submission: 2025-02-22 16:13:10

Choosing Columns

Time of First Successful Submission: 2025-02-22 16:14:03

Exclusionary Filtering

Time of First Successful Submission: 2025-02-22 16:15:51

Filtering Strings

Time of First Successful Submission: 2025-02-22 16:16:40

Filtering on Expressions

Time of First Successful Submission: 2025-02-22 16:19:13

SELECTing Expressions

Time of First Successful Submission: 2025-02-22 16:25:07

Composite Conditions

Time of First Successful Submission: 2025-02-22 16:33:41

Reaching Your LIMITs

Time of First Successful Submission: 2025-02-22 16:36:20

Querying Metadata

Time of First Successful Submission: 2025-02-22 16:38:38

Hijack Me!

Time of First Successful Submission: 2024-06-25 22:01:36

Expand Your Mind

Time of First Successful Submission: 2024-06-25 22:16:39

Fiesty File

Time of First Successful Submission: 2025-02-22 16:49:55

No Limitations

Time of First Successful Submission: 2025-12-26 19:48:16

Teacher Login

Time of First Successful Submission: 2025-12-06 19:34:36

Teacher Login 2

Time of First Successful Submission: 2025-12-06 20:17:46

Teacher Login 3

Time of First Successful Submission: 2025-12-06 20:20:41

Teacher Login 4

Time of First Successful Submission: 2025-12-06 20:22:29

Teacher Login 5

Time of First Successful Submission: 2025-12-06 20:28:42

Teacher Login 6

Time of First Successful Submission: 2025-12-06 20:33:09

Teacher Login 7

Time of First Successful Submission: 2025-12-06 20:46:36

Class Cancellation

Time of First Successful Submission: 2025-12-06 20:50:47

Class Cancellation 2

Time of First Successful Submission: 2025-12-06 20:53:13

Class Cancellation 3

Time of First Successful Submission: 2025-12-06 20:59:38

Using the Terminal

Time of First Successful Submission: 2025-08-08 13:38:32

Using the VSCode Workspace

Time of First Successful Submission: 2024-02-11 19:33:44

Using the GUI Desktop

Time of First Successful Submission: 2024-02-11 19:36:44

Pasting into the Desktop

Time of First Successful Submission: 2024-02-11 19:38:05

Connecting over SSH

Time of First Successful Submission: 2025-12-01 21:59:19

Restarting Challenges

Time of First Successful Submission: 2024-06-23 22:38:26

Getting Help

Time of First Successful Submission: 2024-07-16 13:09:21

Challenge Programs

Time of First Successful Submission: 2024-06-23 22:39:09

The Flag File

Time of First Successful Submission: 2024-02-11 19:40:04

Using Privileged Mode

Time of First Successful Submission: 2024-02-11 19:43:00

Persistent Home Directories - One

Time of First Successful Submission: 2024-02-11 19:51:54

Persistent Home Directories - Two

Time of First Successful Submission: 2024-02-11 19:52:41

Password Cracking

Time of First Successful Submission: 2024-07-03 22:56:12

Information Gathering

Time of First Successful Submission: 2024-07-03 23:18:16

Encryption Breaking

Time of First Successful Submission: 2024-07-03 23:26:36

Cipher Cracking

Time of First Successful Submission: 2025-12-03 14:36:05

Hash Collision

Time of First Successful Submission: 2025-12-10 21:29:52

Denial-of-Service (DoS)

Time of First Successful Submission: 2025-12-10 21:38:14

PacMan

Time of First Successful Submission: 2025-12-10 21:43:47

cat.exe (type)

Time of First Successful Submission: 2025-12-25 21:25:28

ls.exe (dir)

Time of First Successful Submission: 2025-12-25 21:28:16

Changing Disks

Time of First Successful Submission: 2025-12-25 21:30:54

Reading Floppies

Time of First Successful Submission: 2025-12-25 21:32:00

Installing MS-DOS

Time of First Successful Submission: 2025-12-25 21:35:23

autoexec.bat

Time of First Successful Submission: 2025-12-25 21:37:56

doskey

Time of First Successful Submission: 2025-12-25 21:40:59

DOS Networking

Time of First Successful Submission: 2025-12-25 21:50:08

Unprotected Memory

Time of First Successful Submission: 2025-12-25 22:29:27

Cowsay

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

Sticky Tar Pit

Time of First Successful Submission: 2025-12-01 22:39:33

Using the Terminal

Time of First Successful Submission: 2025-08-08 13:38:32

Using the VSCode Workspace

Time of First Successful Submission: 2024-02-11 19:33:44

Using the GUI Desktop

Time of First Successful Submission: 2024-02-11 19:36:44

Pasting into the Desktop

Time of First Successful Submission: 2024-02-11 19:38:05

Connecting over SSH

Time of First Successful Submission: 2025-12-01 21:59:19

Restarting Challenges

Time of First Successful Submission: 2024-06-23 22:38:26

Getting Help

Time of First Successful Submission: 2024-07-16 13:09:21

Challenge Programs

Time of First Successful Submission: 2024-06-23 22:39:09

The Flag File

Time of First Successful Submission: 2024-02-11 19:40:04

Using Privileged Mode

Time of First Successful Submission: 2024-02-11 19:43:00

Persistent Home Directories - One

Time of First Successful Submission: 2024-02-11 19:51:54

Persistent Home Directories - Two

Time of First Successful Submission: 2024-02-11 19:52:41

External BBS (login)

Time of First Successful Submission: 2025-02-21 22:51:05

Internal BBS

Time of First Successful Submission: 2025-02-21 23:31:46

Evaluating Is Fun!

Time of First Successful Submission: 2025-12-07 00:59:40

guessnumber.01

Time of First Successful Submission: 2026-01-03 21:02:20

delayed-flag

Time of First Successful Submission: 2026-01-03 21:04:52

Only Files

Time of First Successful Submission: 2025-02-22 16:49:55

Wild Directories

Time of First Successful Submission: 2025-02-22 16:55:26

Full Circus

Time of First Successful Submission: 2025-12-26 19:48:16

aa-exec

Time of First Successful Submission: 2025-12-03 00:27:46

ab

Time of First Successful Submission: 2025-12-03 00:29:48

agetty

Time of First Successful Submission: 2025-12-03 00:30:37

alpine

Time of First Successful Submission: 2025-12-03 00:32:23

ar

Time of First Successful Submission: 2025-12-03 00:33:29

arj

Time of First Successful Submission: 2025-12-03 00:35:25

arp

Time of First Successful Submission: 2025-12-03 00:35:43

as

Time of First Successful Submission: 2025-12-03 00:36:05

ascii-xfr

Time of First Successful Submission: 2025-12-03 00:36:20

ash

Time of First Successful Submission: 2025-12-03 00:36:39

aspell

Time of First Successful Submission: 2025-12-03 16:31:18

atobm

Time of First Successful Submission: 2025-12-03 00:53:11

awk

Time of First Successful Submission: 2025-12-03 16:31:48

base32

Time of First Successful Submission: 2025-12-03 16:32:08

base64

Time of First Successful Submission: 2025-12-03 16:32:29

basenc

Time of First Successful Submission: 2025-12-03 16:33:49

basez

Time of First Successful Submission: 2025-12-03 16:34:27

bash

Time of First Successful Submission: 2025-12-03 16:34:44

batcat

Time of First Successful Submission: 2025-12-03 16:34:54

bridge

Time of First Successful Submission: 2025-12-03 16:35:15

busctl

Time of First Successful Submission: 2025-12-03 16:38:19

busybox

Time of First Successful Submission: 2025-12-03 16:38:32

bzip2

Time of First Successful Submission: 2025-12-03 16:39:08

cabal

Time of First Successful Submission: 2025-12-03 16:52:44

capsh

Time of First Successful Submission: 2025-12-03 16:54:05

cat

Time of First Successful Submission: 2025-12-03 16:54:14

chgrp

Time of First Successful Submission: 2025-12-03 16:54:36

chmod

Time of First Successful Submission: 2025-12-03 16:54:48

choom

Time of First Successful Submission: 2025-12-03 16:55:33

chown

Time of First Successful Submission: 2025-12-03 16:55:51

chroot

Time of First Successful Submission: 2025-12-03 16:56:16

clamscan

Time of First Successful Submission: 2025-12-03 16:57:29

cmp

Time of First Successful Submission: 2025-12-03 16:59:14

column

Time of First Successful Submission: 2025-12-03 16:59:39

comm

Time of First Successful Submission: 2025-12-03 17:00:19

cp

Time of First Successful Submission: 2025-12-03 17:30:09

cpio

Time of First Successful Submission: 2025-12-03 17:30:41

cpulimit

Time of First Successful Submission: 2025-12-03 18:52:06

csh

Time of First Successful Submission: 2025-12-03 18:49:30

csplit

Time of First Successful Submission: 2025-12-06 23:33:41

csvtool

Time of First Successful Submission: 2025-12-06 23:34:06

cupsfilter

Time of First Successful Submission: 2025-12-06 23:34:34

curl

Time of First Successful Submission: 2025-12-06 23:34:52

cut

Time of First Successful Submission: 2025-12-03 18:48:33

dash

Time of First Successful Submission: 2025-12-03 18:48:13

date

Time of First Successful Submission: 2025-12-06 23:35:58

dd

Time of First Successful Submission: 2025-12-03 18:47:52

debugfs

Time of First Successful Submission: 2025-12-10 22:20:58

dialog

Time of First Successful Submission: 2025-12-06 23:43:37

diff

Time of First Successful Submission: 2025-12-03 18:47:28

dig

Time of First Successful Submission: 2025-12-06 23:44:26

distcc

Time of First Successful Submission: 2025-12-06 23:44:58

dosbox

Time of First Successful Submission: 2025-12-06 23:47:17

ed

Time of First Successful Submission: 2025-12-03 18:47:07

efax

Time of First Successful Submission: 2025-12-06 23:47:57

elvish

Time of First Successful Submission: 2025-12-06 23:48:18

emacs