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pwn.college Archives

159 / 202 413 / 22748


level1

Time of First Successful Submission: 2024-01-17 21:25:08

level2

Time of First Successful Submission: 2024-01-17 21:26:13

level3

Time of First Successful Submission: 2024-01-17 21:27:17

level4

Time of First Successful Submission: 2024-01-17 21:32:58

level5

Time of First Successful Submission: 2024-01-17 21:36:16

level6

Time of First Successful Submission: 2024-01-17 21:40:09

level7

Time of First Successful Submission: 2024-01-17 21:46:08

level8

Time of First Successful Submission: 2024-01-17 21:50:20

level9

Time of First Successful Submission: 2024-01-17 21:53:21

level10

Time of First Successful Submission: 2024-01-17 21:57:13

level11

Time of First Successful Submission: 2024-01-17 21:58:47

level12

Time of First Successful Submission: 2024-01-17 22:00:35

level13

Time of First Successful Submission: 2024-01-17 22:01:40

level14

Time of First Successful Submission: 2024-01-17 22:02:49

level15

Time of First Successful Submission: 2024-01-17 22:11:40

level16

Time of First Successful Submission: 2024-01-18 20:16:20

level17

Time of First Successful Submission: 2024-01-18 20:19:23

level18

Time of First Successful Submission: 2024-01-18 20:22:04

level19

Time of First Successful Submission: 2024-01-18 21:31:52

level20

Time of First Successful Submission: 2024-01-18 21:36:03

level21

Time of First Successful Submission: 2024-01-18 21:37:50

level22

Time of First Successful Submission: 2024-01-18 21:40:45

level23

Time of First Successful Submission: 2024-01-18 21:42:33

level24

Time of First Successful Submission: 2024-01-18 21:44:09

level25

Time of First Successful Submission: 2024-01-18 21:46:01

level26

Time of First Successful Submission: 2024-01-18 21:48:19

level27

Time of First Successful Submission: 2024-01-19 13:16:41

level28

Time of First Successful Submission: 2024-01-19 13:52:17

level29

Time of First Successful Submission: 2024-01-19 16:01:59

level30

Time of First Successful Submission: 2024-01-19 16:25:21

level31

Time of First Successful Submission: 2024-01-19 16:27:11

level32

Time of First Successful Submission: 2024-01-19 16:28:34

level33

Time of First Successful Submission: 2024-01-19 18:27:56

level34

Time of First Successful Submission: 2024-01-19 18:35:56

level35

Time of First Successful Submission: 2024-01-19 18:37:53

level36

Time of First Successful Submission: 2024-01-19 18:39:22

level37

Time of First Successful Submission: 2024-01-19 18:40:21

level38

Time of First Successful Submission: 2024-01-19 18:48:11

level39

Time of First Successful Submission: 2024-01-19 18:48:57

level40

Time of First Successful Submission: 2024-01-19 19:04:47

level41

Time of First Successful Submission: 2024-01-19 21:03:06

level42

Time of First Successful Submission: 2024-01-19 19:12:32

level43

Time of First Successful Submission: 2024-01-19 19:13:23

level44

Time of First Successful Submission: 2024-01-19 19:25:04

level45

Time of First Successful Submission: 2024-01-19 19:26:29

level46

Time of First Successful Submission: 2024-01-19 19:28:23

level47

Time of First Successful Submission: 2024-01-19 21:14:28

level48

Time of First Successful Submission: 2024-01-19 21:35:04

level49

Time of First Successful Submission: 2024-01-19 21:38:20

level50

Time of First Successful Submission: 2024-01-19 21:40:21

level51

Time of First Successful Submission: 2024-01-23 01:26:47

level52

Time of First Successful Submission: 2024-01-23 02:40:16

level53

Time of First Successful Submission: 2024-01-23 02:42:50

level54

Time of First Successful Submission: 2024-01-23 01:54:13

level55

Time of First Successful Submission: 2024-01-23 01:56:38

level56

Time of First Successful Submission: 2024-01-23 02:00:59

level57

Time of First Successful Submission: 2024-01-23 02:03:06

level58

Time of First Successful Submission: 2024-01-23 02:18:53

level59

Time of First Successful Submission: 2024-01-23 02:25:13

level60

Time of First Successful Submission: 2024-01-23 15:48:36

level61

Time of First Successful Submission: 2024-01-23 15:55:55

level62

Time of First Successful Submission: 2024-01-23 16:02:07

level63

Time of First Successful Submission: 2024-01-23 16:05:49

level64

Time of First Successful Submission: 2024-01-23 16:35:01

level65

Time of First Successful Submission: 2024-01-23 17:11:24

level66

Time of First Successful Submission: 2024-01-23 17:21:17

level67

Time of First Successful Submission: 2024-01-23 17:33:16

level68

Time of First Successful Submission: 2024-01-23 18:20:47

level70

Time of First Successful Submission: 2024-01-23 20:38:35

level71

Time of First Successful Submission: 2024-01-23 20:42:19

level72

Time of First Successful Submission: 2024-01-23 20:56:57

level73

Time of First Successful Submission: 2024-01-23 21:23:35

level74

Time of First Successful Submission: 2024-01-23 23:22:30

level76

Time of First Successful Submission: 2024-01-23 23:26:00

level77

Time of First Successful Submission: 2024-01-23 23:29:07

level78

Time of First Successful Submission: 2024-01-24 02:23:06

level79

Time of First Successful Submission: 2024-01-24 02:25:24

level80

Time of First Successful Submission: 2024-01-24 02:41:48

level82

Time of First Successful Submission: 2024-01-24 02:48:27

level83

Time of First Successful Submission: 2024-01-24 02:52:28

level84

Time of First Successful Submission: 2024-01-24 14:15:56

level85

Time of First Successful Submission: 2024-01-24 14:32:31

level86

Time of First Successful Submission: 2024-01-24 15:01:51

level87

Time of First Successful Submission: 2024-01-24 15:04:18

level88

Time of First Successful Submission: 2024-01-24 15:13:21

level89

Time of First Successful Submission: 2024-01-24 15:17:46

level90

Time of First Successful Submission: 2024-01-24 17:26:48

level91

Time of First Successful Submission: 2024-01-24 17:30:54

level92

Time of First Successful Submission: 2024-01-24 17:34:19

level93

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

level94

Time of First Successful Submission: 2024-01-26 16:03:10

level95

Time of First Successful Submission: 2024-01-26 16:22:08

level96

Time of First Successful Submission: 2024-01-26 16:44:11

level97

Time of First Successful Submission: 2024-01-26 20:19:21

level98

Time of First Successful Submission: 2024-01-26 20:24:58

level99

Time of First Successful Submission: 2024-01-26 20:46:14

level100

Time of First Successful Submission: 2024-01-26 21:03:27

level101

Time of First Successful Submission: 2024-01-26 21:37:42

level102

Time of First Successful Submission: 2024-01-26 21:39:05

level103

Time of First Successful Submission: 2024-01-26 21:51:53

level104

Time of First Successful Submission: 2024-01-29 23:35:25

level105

Time of First Successful Submission: 2024-01-30 18:02:48

level106

Time of First Successful Submission: 2024-01-31 17:13:18

level107

Time of First Successful Submission: 2024-01-31 17:46:04

level108

Time of First Successful Submission: 2024-01-31 20:42:27

level109

Time of First Successful Submission: 2024-01-31 21:20:41

level110

Time of First Successful Submission: 2024-01-30 21:40:57

level111

Time of First Successful Submission: 2024-01-30 22:16:24

level112

Time of First Successful Submission: 2024-02-01 14:33:16

level113

Time of First Successful Submission: 2024-02-01 14:38:18

level114

Time of First Successful Submission: 2024-02-01 14:43:51

level115

Time of First Successful Submission: 2024-02-01 14:45:31

level116

Time of First Successful Submission: 2024-02-01 16:04:04

level117

Time of First Successful Submission: 2024-02-01 16:57:09

level118

Time of First Successful Submission: 2024-02-01 17:11:32

level119

Time of First Successful Submission: 2024-02-15 14:05:43

level120

Time of First Successful Submission: 2024-02-15 14:27:08

level121

Time of First Successful Submission: 2024-02-15 14:44:54

level122

Time of First Successful Submission: 2024-02-15 14:49:30

level123

Time of First Successful Submission: 2024-02-15 15:23:03

level124

Time of First Successful Submission: 2024-02-15 23:19:02

level125

Time of First Successful Submission: 2024-03-08 00:36:41

level126

Time of First Successful Submission: 2024-05-14 20:21:19

level127

Time of First Successful Submission: 2024-05-06 00:26:11

level128

Time of First Successful Submission: 2024-05-06 00:28:31

level129

Time of First Successful Submission: 2024-05-08 16:34:49

level130

Time of First Successful Submission: 2024-03-07 17:53:53

level131

Time of First Successful Submission: 2024-03-07 21:38:18

level132

Time of First Successful Submission: 2024-03-07 18:35:30

level133

Time of First Successful Submission: 2024-03-07 18:44:51

level134

Time of First Successful Submission: 2024-05-08 15:49:40

level135

Time of First Successful Submission: 2024-05-18 19:14:12

level136

Time of First Successful Submission: 2024-05-18 19:25:20

level137

Time of First Successful Submission: 2024-05-18 18:54:29

level138

Time of First Successful Submission: 2024-05-18 18:59:33

level139

Time of First Successful Submission: 2024-05-18 19:35:53

level140

Time of First Successful Submission: 2024-05-08 11:53:52

level141

Time of First Successful Submission: 2024-05-08 12:31:21

level142

Time of First Successful Submission: 2024-05-23 19:32:53

HTTP (curl)

Time of First Successful Submission: 2024-01-04 15:57:14

HTTP (python)

Time of First Successful Submission: 2024-01-04 21:50:35

URL Encoding (curl)

Time of First Successful Submission: 2024-01-05 16:58:28

URL Encoding (python)

Time of First Successful Submission: 2024-01-05 17:04:15

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-01-05 19:44:35

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-01-05 19:46:35

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-01-05 20:12:50

Multiple Form Fields (python)

Time of First Successful Submission: 2024-01-05 21:22:24

HTTP JSON (curl)

Time of First Successful Submission: 2024-01-06 16:22:46

HTTP JSON (netcat)

Time of First Successful Submission: 2024-01-06 16:26:51

HTTP JSON (python)

Time of First Successful Submission: 2024-01-06 16:30:58

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-01-06 17:35:39

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-01-06 17:39:35

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-01-06 17:21:38

Server State (curl)

Time of First Successful Submission: 2024-01-08 14:36:37

Server State (netcat)

Time of First Successful Submission: 2024-01-08 14:41:13

Silenced Shellcode

Time of First Successful Submission: 2025-08-19 13:47:05

Shellcode Shuffle

Time of First Successful Submission: 2025-08-20 15:21:03

Shellcode Shuffle II

Time of First Successful Submission: 2025-08-20 15:31:03

Triple Dereference

Time of First Successful Submission: 2024-11-19 21:59:22


Intro to Programming Languages

15 / 234 901 / 29754


Commands

Time of First Successful Submission: 2024-07-03 13:48:44

Command Arguments

Time of First Successful Submission: 2024-07-03 13:49:28

Command History

Time of First Successful Submission: 2025-06-06 13:32:37

The Root Path

Time of First Successful Submission: 2024-06-12 19:48:54

Absolute Paths

Time of First Successful Submission: 2024-05-17 16:25:46

Changing position

Time of First Successful Submission: 2024-05-17 16:26:52

Changing to an Absolute Path

Time of First Successful Submission: 2024-05-17 16:27:38

Relative Paths

Time of First Successful Submission: 2024-05-17 16:29:21

Cat

Time of First Successful Submission: 2024-05-17 16:37:27

Ls

Time of First Successful Submission: 2024-05-17 16:39:39

Ls All

Time of First Successful Submission: 2024-05-17 16:42:02

Find

Time of First Successful Submission: 2024-05-17 16:53:09

Piping Echo

Time of First Successful Submission: 2024-05-17 19:15:42

Piping Stdout

Time of First Successful Submission: 2024-05-17 19:16:58

Piping Stdin

Time of First Successful Submission: 2024-05-17 19:20:42


Intro to Cybersecurity

183 / 183 153 / 19044


Path Traversal 1

Time of First Successful Submission: 2024-04-02 19:45:57

Path Traversal 2

Time of First Successful Submission: 2025-06-19 20:25:09

CMDi 1

Time of First Successful Submission: 2025-06-23 15:44:40

CMDi 2

Time of First Successful Submission: 2025-06-23 16:33:39

CMDi 3

Time of First Successful Submission: 2025-06-23 16:26:30

CMDi 4

Time of First Successful Submission: 2024-04-02 21:21:23

CMDi 5

Time of First Successful Submission: 2025-06-23 16:41:51

CMDi 6

Time of First Successful Submission: 2025-06-23 17:08:06

Authentication Bypass 1

Time of First Successful Submission: 2024-04-02 20:46:12

Authentication Bypass 2

Time of First Successful Submission: 2025-06-23 17:21:48

SQLi 1

Time of First Successful Submission: 2025-06-23 18:05:49

SQLi 2

Time of First Successful Submission: 2024-04-02 21:05:47

SQLi 3

Time of First Successful Submission: 2024-04-02 22:09:08

SQLi 4

Time of First Successful Submission: 2024-04-08 21:03:45

SQLi 5

Time of First Successful Submission: 2024-04-10 11:09:45

XSS 1

Time of First Successful Submission: 2025-06-23 20:08:34

XSS 2

Time of First Successful Submission: 2025-06-23 20:13:52

XSS 3

Time of First Successful Submission: 2024-04-10 11:41:32

XSS 4

Time of First Successful Submission: 2024-04-10 11:57:58

XSS 5

Time of First Successful Submission: 2025-06-23 21:25:37

XSS 6

Time of First Successful Submission: 2025-06-23 21:35:25

XSS 7

Time of First Successful Submission: 2025-06-24 16:18:57

CSRF 1

Time of First Successful Submission: 2025-06-24 16:43:51

CSRF 2

Time of First Successful Submission: 2025-06-24 17:11:01

CSRF 3

Time of First Successful Submission: 2025-06-24 17:30:33

CSRF 4

Time of First Successful Submission: 2025-06-24 19:51:41

CSRF 5

Time of First Successful Submission: 2025-06-24 20:39:00

Connect

Time of First Successful Submission: 2025-06-24 22:15:08

Send

Time of First Successful Submission: 2025-06-24 22:16:08

Shutdown

Time of First Successful Submission: 2025-06-24 22:21:16

Listen

Time of First Successful Submission: 2025-06-24 22:24:25

Scan 1

Time of First Successful Submission: 2025-06-24 23:24:42

Scan 2

Time of First Successful Submission: 2025-06-25 01:44:51

Monitor 1

Time of First Successful Submission: 2025-06-25 14:09:11

Monitor 2

Time of First Successful Submission: 2025-06-25 14:29:28

Sniffing Cookies

Time of First Successful Submission: 2025-06-25 14:50:41

Network Configuration

Time of First Successful Submission: 2025-06-25 15:26:31

Firewall 1

Time of First Successful Submission: 2025-06-25 15:31:27

Firewall 2

Time of First Successful Submission: 2025-06-25 15:34:50

Firewall 3

Time of First Successful Submission: 2025-06-25 15:43:20

Denial of Service 1

Time of First Successful Submission: 2025-06-25 15:45:40

Denial of Service 2

Time of First Successful Submission: 2025-06-25 15:53:08

Denial of Service 3

Time of First Successful Submission: 2025-07-02 20:53:00

Ethernet

Time of First Successful Submission: 2025-06-25 16:59:12

IP

Time of First Successful Submission: 2025-06-25 17:04:44

TCP

Time of First Successful Submission: 2025-06-25 17:07:48

TCP Handshake

Time of First Successful Submission: 2025-06-25 17:19:21

UDP

Time of First Successful Submission: 2025-06-25 17:33:33

UDP 2

Time of First Successful Submission: 2025-06-25 17:35:28

UDP Spoofing 1

Time of First Successful Submission: 2025-06-25 17:38:39

UDP Spoofing 2

Time of First Successful Submission: 2025-06-25 18:07:04

UDP Spoofing 3

Time of First Successful Submission: 2025-06-26 16:34:43

UDP Spoofing 4

Time of First Successful Submission: 2025-06-26 16:53:40

ARP

Time of First Successful Submission: 2025-06-25 19:53:19

Intercept

Time of First Successful Submission: 2025-06-25 20:14:57

Man-in-the-Middle

Time of First Successful Submission: 2025-06-26 22:40:29

XOR

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

XORing Hex

Time of First Successful Submission: 2025-07-07 15:38:39

XORing ASCII

Time of First Successful Submission: 2025-07-07 16:23:03

XORing ASCII Strings

Time of First Successful Submission: 2025-07-07 16:34:56

One-time Pad

Time of First Successful Submission: 2025-07-07 16:49:16

One-time Pad Tampering

Time of First Successful Submission: 2025-07-07 17:03:01

Many-time Pad

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

AES

Time of First Successful Submission: 2025-07-07 17:25:41

AES-ECB-CPA

Time of First Successful Submission: 2025-07-09 03:39:25

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-07-09 04:51:10

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-07-09 04:53:13

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-07-09 16:54:52

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-07-09 17:26:35

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-07-09 18:29:25

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-07-10 17:00:47

AES-ECB-CPA-Prefix-Boss

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

AES-CBC

Time of First Successful Submission: 2025-07-10 19:29:30

AES-CBC Tampering

Time of First Successful Submission: 2025-07-10 21:38:59

AES-CBC Resizing

Time of First Successful Submission: 2025-07-10 21:47:24

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-07-11 17:09:23

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-07-12 20:19:43

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-07-12 20:37:19

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-07-14 21:49:16

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-08-20 19:02:20

DHKE

Time of First Successful Submission: 2025-07-14 23:51:35

DHKE-to-AES

Time of First Successful Submission: 2025-07-14 23:56:22

RSA 1

Time of First Successful Submission: 2025-07-15 14:32:10

RSA 2

Time of First Successful Submission: 2025-07-15 14:50:27

RSA 3

Time of First Successful Submission: 2025-07-15 19:37:17

RSA 4

Time of First Successful Submission: 2025-07-15 19:54:27

RSA Signatures

Time of First Successful Submission: 2025-07-15 16:31:44

SHA 1

Time of First Successful Submission: 2025-07-15 18:43:10

SHA 2

Time of First Successful Submission: 2025-07-15 19:09:29

TLS 1

Time of First Successful Submission: 2025-07-15 21:52:45

TLS 2

Time of First Successful Submission: 2025-07-16 02:39:44

level1

Time of First Successful Submission: 2025-07-02 20:59:31

level2

Time of First Successful Submission: 2025-07-02 21:00:13

level3

Time of First Successful Submission: 2025-07-02 21:00:48

level4

Time of First Successful Submission: 2025-07-02 21:01:33

level5

Time of First Successful Submission: 2025-07-02 22:14:32

level6

Time of First Successful Submission: 2025-07-02 21:34:32

level7

Time of First Successful Submission: 2025-07-02 21:39:53

level8

Time of First Successful Submission: 2025-07-02 21:40:51

level9

Time of First Successful Submission: 2025-07-02 21:42:30

level10

Time of First Successful Submission: 2025-07-02 21:45:05

level11

Time of First Successful Submission: 2025-07-02 21:55:13

level12

Time of First Successful Submission: 2025-07-02 21:59:23

level13

Time of First Successful Submission: 2025-07-02 22:00:16

level14

Time of First Successful Submission: 2025-07-02 22:01:17

level15

Time of First Successful Submission: 2025-07-02 22:01:53

level16

Time of First Successful Submission: 2025-07-02 22:05:37

level17

Time of First Successful Submission: 2025-07-03 18:36:49

level18

Time of First Successful Submission: 2025-07-03 18:50:13

level19

Time of First Successful Submission: 2025-07-03 19:42:54

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-07-16 23:19:05

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-07-16 23:23:27

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-07-16 23:38:21

Reading Endianness (Python)

Time of First Successful Submission: 2025-07-16 23:50:55

Reading Endianness (C)

Time of First Successful Submission: 2025-07-16 23:54:04

Reading Endianness (x86)

Time of First Successful Submission: 2025-07-16 23:56:14

Version Information (Python)

Time of First Successful Submission: 2025-07-17 00:11:30

Version Information (C)

Time of First Successful Submission: 2025-07-17 00:13:32

Version Information (x86)

Time of First Successful Submission: 2025-07-17 00:20:08

Metadata and Data (Python)

Time of First Successful Submission: 2025-07-17 00:37:54

Metadata and Data (C)

Time of First Successful Submission: 2025-07-17 00:43:28

Metadata and Data (x86)

Time of First Successful Submission: 2025-07-17 00:48:31

Input Restrictions (Python)

Time of First Successful Submission: 2025-07-17 10:16:39

Input Restrictions (C)

Time of First Successful Submission: 2025-07-17 10:20:20

Input Restrictions (x86)

Time of First Successful Submission: 2025-07-17 10:26:09

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-07-17 10:33:55

Behold the cIMG! (C)

Time of First Successful Submission: 2025-07-17 10:37:00

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-07-17 10:41:50

A Basic cIMG (Python)

Time of First Successful Submission: 2025-07-17 11:01:17

A Basic cIMG (C)

Time of First Successful Submission: 2025-07-17 11:08:21

A Basic cIMG (x86)

Time of First Successful Submission: 2025-07-17 11:12:53

Internal State Mini (C)

Time of First Successful Submission: 2025-07-17 20:29:53

Internal State Mini (x86)

Time of First Successful Submission: 2025-07-22 18:19:52

Internal State (C)

Time of First Successful Submission: 2025-07-22 20:15:20

Internal State (x86)

Time of First Successful Submission: 2025-07-22 21:32:12

File Formats: Directives (C)

Time of First Successful Submission: 2025-07-23 14:26:27

File Formats: Directives (x86)

Time of First Successful Submission: 2025-07-23 14:39:06

The Patch Directive

Time of First Successful Submission: 2025-07-25 22:15:28

Optimizing for Space

Time of First Successful Submission: 2025-07-26 20:56:06

Tweaking Images

Time of First Successful Submission: 2025-07-26 22:35:01

Storage and Retrieval

Time of First Successful Submission: 2025-08-04 21:07:51

Extracting Knowledge

Time of First Successful Submission: 2025-08-05 17:08:27

Advanced Sprites

Time of First Successful Submission: 2025-08-05 19:35:56

Accessing Resources

Time of First Successful Submission: 2025-08-06 14:02:45

Unsafe Animations

Time of First Successful Submission: 2025-08-06 15:04:58

Animations

Time of First Successful Submission: 2025-08-07 15:21:37

Interoperability: Patching Data

Time of First Successful Submission: 2025-08-07 16:18:44

Patching Code

Time of First Successful Submission: 2025-08-07 17:11:26

Patching Control Flow

Time of First Successful Submission: 2025-08-07 17:49:15

Your First Overflow (easy)

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

Your First Overflow (hard)

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

Precision (easy)

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

Precision (hard)

Time of First Successful Submission: 2025-08-08 15:24:49

Variable Control (easy)

Time of First Successful Submission: 2025-08-08 15:37:29

Variable Control (hard)

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

Control Hijack (easy)

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

Control Hijack (hard)

Time of First Successful Submission: 2025-08-08 16:23:55

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-08-08 16:50:26

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-08-08 16:54:08

PIEs (easy)

Time of First Successful Submission: 2025-08-08 17:54:41

PIEs (hard)

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

String Lengths (easy)

Time of First Successful Submission: 2025-08-09 14:25:25

String Lengths (hard)

Time of First Successful Submission: 2025-08-09 14:30:10

Basic Shellcode

Time of First Successful Submission: 2025-08-09 21:57:58

NOP Sleds

Time of First Successful Submission: 2025-08-09 22:12:17

NULL-Free Shellcode

Time of First Successful Submission: 2025-08-10 00:52:20

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-08-10 01:04:07

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-08-10 01:06:09

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-08-10 01:19:54

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-08-10 01:27:37

ECB-to-Win (easy)

Time of First Successful Submission: 2025-08-10 17:31:38

ECB-to-Win (hard)

Time of First Successful Submission: 2025-08-10 17:37:48

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-08-10 19:10:21

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-08-10 20:20:04

CIMG Screenshots

Time of First Successful Submission: 2025-08-11 22:16:11

CIMG Screenshots 2

Time of First Successful Submission: 2025-08-12 16:03:00

Wily Webserver

Time of First Successful Submission: 2025-08-12 22:15:17

The Watering Hole

Time of First Successful Submission: 2025-11-12 13:33:29

Secure Chat 1

Time of First Successful Submission: 2025-11-04 17:38:39

Secure Chat 2

Time of First Successful Submission: 2025-11-05 13:16:50

Secure Chat 3

Time of First Successful Submission: 2025-11-13 20:48:25

Secure Chat 4

Time of First Successful Submission: 2026-02-18 00:07:12

Secure Chat 5

Time of First Successful Submission: 2026-02-18 12:35:03


Program Security

111 / 162 562 / 9229


ello ackers!

Time of First Successful Submission: 2025-08-18 22:44:56

Syscall Smuggler

Time of First Successful Submission: 2025-08-18 23:19:57

Syscall Shenanigans

Time of First Successful Submission: 2025-08-18 23:25:43

Byte Budget

Time of First Successful Submission: 2025-08-20 17:57:41

ClobberCode

Time of First Successful Submission: 2025-08-20 14:46:15

Diverse Delivery

Time of First Successful Submission: 2025-08-20 16:01:33

Pocket Payload

Time of First Successful Submission: 2025-08-28 20:53:43

Micro Menace

Time of First Successful Submission: 2025-09-11 19:14:33

Login Leakage (Easy)

Time of First Successful Submission: 2025-09-04 13:45:35

Login Leakage (Hard)

Time of First Successful Submission: 2025-09-04 14:00:50

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-09-04 16:29:58

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-09-04 16:33:38

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-09-04 16:43:13

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-09-04 16:49:45

Pointer Problems (Easy)

Time of First Successful Submission: 2025-09-04 17:32:01

Pointer Problems (Hard)

Time of First Successful Submission: 2025-09-04 17:42:43

Anomalous Array (Easy)

Time of First Successful Submission: 2025-09-04 18:30:33

Anomalous Array (Hard)

Time of First Successful Submission: 2025-09-04 18:39:20

Now you got it (Easy)

Time of First Successful Submission: 2025-09-04 20:20:53

Now you got it (Hard)

Time of First Successful Submission: 2025-09-04 20:45:32

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-09-08 16:09:48

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-09-08 16:26:16

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-09-08 16:41:21

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-09-08 16:47:02

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-09-10 17:12:10

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-09-10 19:33:53

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-09-10 20:12:26

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-09-10 20:16:35

Latent Leak (Easy)

Time of First Successful Submission: 2025-09-11 21:16:24

Latent Leak (Hard)

Time of First Successful Submission: 2025-09-11 21:36:16

Fork Foolery (Easy)

Time of First Successful Submission: 2025-09-11 22:57:06

Fork Foolery (Hard)

Time of First Successful Submission: 2025-09-11 23:10:56

Canary Conundrum (Easy)

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

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-09-12 02:13:04

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-09-12 04:21:00

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-09-12 04:29:31

Can It Fizz?

Time of First Successful Submission: 2025-09-20 17:57:39

Does It Buzz?

Time of First Successful Submission: 2025-09-21 15:37:59

Make It FizzBuzz

Time of First Successful Submission: 2025-09-22 22:25:28

Terrible Token (Easy)

Time of First Successful Submission: 2024-07-03 21:06:59

Terrible Token (Hard)

Time of First Successful Submission: 2025-09-22 23:19:29

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-09-22 23:27:12

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-09-22 23:34:46

Bit Bender

Time of First Successful Submission: 2025-09-24 14:31:00

Substitution Sorcery

Time of First Successful Submission: 2025-09-24 15:31:55

Meager Mangler (Easy)

Time of First Successful Submission: 2025-10-02 20:35:33

Meager Mangler (Hard)

Time of First Successful Submission: 2025-10-02 20:51:19

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-10-03 16:22:59

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-10-03 20:36:26

Patched Up (Easy)

Time of First Successful Submission: 2025-10-03 22:24:42

Patched Up (Hard)

Time of First Successful Submission: 2025-10-03 22:31:49

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-10-08 21:51:19

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-10-08 21:58:50

Patch Perfect (Easy)

Time of First Successful Submission: 2025-10-08 22:05:34

Patch Perfect (Hard)

Time of First Successful Submission: 2025-10-08 22:37:54

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-10-09 13:41:05

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-10-09 14:03:10

Know the Yancode (Easy)

Time of First Successful Submission: 2025-10-09 15:00:17

Know the Yancode (Hard)

Time of First Successful Submission: 2025-10-09 15:06:58

Master the Yancode (Easy)

Time of First Successful Submission: 2025-10-10 19:00:29

Master the Yancode (Hard)

Time of First Successful Submission: 2025-10-12 16:54:45

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-10-12 17:55:50

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-10-12 18:03:07

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-10-13 18:29:42

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-10-14 17:55:10

The Yangler (Easy)

Time of First Successful Submission: 2025-10-15 04:56:49

The Yangler (Hard)

Time of First Successful Submission: 2025-10-15 16:40:52

Yancraft (Easy)

Time of First Successful Submission: 2025-10-15 19:40:57

Yancraft (Hard)

Time of First Successful Submission: 2025-10-15 20:47:06

Yansanity (Easy)

Time of First Successful Submission: 2025-10-20 19:22:26

Yansanity (Hard)

Time of First Successful Submission: 2025-10-21 20:44:38

When the Cow Says Moo

Time of First Successful Submission: 2025-10-16 20:34:17

Predictable Migration

Time of First Successful Submission: 2025-10-29 15:49:37

Hashing Heifers

Time of First Successful Submission: 2025-10-29 19:34:29

Salty Stampede

Time of First Successful Submission: 2025-10-31 15:22:38

Loose Link (Easy)

Time of First Successful Submission: 2025-10-21 21:50:38

Loose Link (Hard)

Time of First Successful Submission: 2025-10-21 21:54:19

Call Chain (Easy)

Time of First Successful Submission: 2025-10-21 22:10:09

Call Chain (Hard)

Time of First Successful Submission: 2025-10-21 22:15:43

Chain of Command (Easy)

Time of First Successful Submission: 2025-10-21 22:31:49

Chain of Command (Hard)

Time of First Successful Submission: 2025-10-21 22:35:27

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-10-22 17:20:10

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-10-22 17:41:49

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-10-22 19:16:02

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-10-22 20:04:09

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-10-22 20:36:13

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-10-22 20:49:52

Leaky Libc (Easy)

Time of First Successful Submission: 2025-10-23 15:10:10

Leaky Libc (Hard)

Time of First Successful Submission: 2025-10-23 15:18:10

Putsception (Easy)

Time of First Successful Submission: 2025-10-23 16:02:30

Putsception (Hard)

Time of First Successful Submission: 2025-10-23 16:08:49

Pivotal Prelude (Easy)

Time of First Successful Submission: 2025-10-23 17:17:41

Pivotal Prelude (Hard)

Time of First Successful Submission: 2025-10-23 17:32:32

Pivotal Pointer (Easy)

Time of First Successful Submission: 2025-10-24 11:44:52

Pivotal Pointer (Hard)

Time of First Successful Submission: 2025-10-24 12:49:15

Pivotal Payload (Easy)

Time of First Successful Submission: 2025-10-24 12:55:25

Pivotal Payload (Hard)

Time of First Successful Submission: 2025-10-24 12:59:46

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2025-10-24 16:15:12

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2025-10-24 16:32:11

Guarded Gadgets (Easy)

Time of First Successful Submission: 2025-10-26 15:09:49

Guarded Gadgets (Hard)

Time of First Successful Submission: 2025-10-26 15:14:30

ROP Roulette (Easy)

Time of First Successful Submission: 2025-10-27 01:23:04

ROP Roulette (Hard)

Time of First Successful Submission: 2025-10-27 13:21:03

Libc Lottery (Easy)

Time of First Successful Submission: 2025-10-28 22:30:50

Libc Lottery (Hard)

Time of First Successful Submission: 2025-10-28 23:25:45

Freebie (Easy)

Time of First Successful Submission: 2025-10-31 16:31:57

Freebie (Hard)

Time of First Successful Submission: 2025-10-31 16:39:00

Freebin Feint (Easy)

Time of First Successful Submission: 2025-10-31 16:50:18

Freebin Feint (Hard)

Time of First Successful Submission: 2025-11-01 18:08:47

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-11-01 18:12:57

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-11-01 18:22:26


Start Here

11 / 12 1497 / 40358


Using the Terminal

Time of First Successful Submission: 2025-08-06 14:08:29

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-04 21:07:04

Using the GUI Desktop

Time of First Successful Submission: 2024-01-04 21:09:02

Pasting into the Desktop

Time of First Successful Submission: 2024-01-04 21:11:28

Restarting Challenges

Time of First Successful Submission: 2024-06-22 22:27:23

Challenge Programs

Time of First Successful Submission: 2024-05-17 15:22:14

The Flag File

Time of First Successful Submission: 2024-01-04 21:12:57

Using Privileged Mode

Time of First Successful Submission: 2024-01-04 21:15:55

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-04 21:18:00

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-04 21:18:56


Linux Luminarium

128 / 128 215 / 30120


Intro to Commands

Time of First Successful Submission: 2024-07-03 13:48:44

Intro to Arguments

Time of First Successful Submission: 2024-07-03 13:49:28

Command History

Time of First Successful Submission: 2025-06-06 13:32:37

The Root

Time of First Successful Submission: 2024-06-12 19:48:54

Program and absolute paths

Time of First Successful Submission: 2024-05-17 16:25:46

Position thy self

Time of First Successful Submission: 2024-05-17 16:26:52

Position elsewhere

Time of First Successful Submission: 2024-05-17 16:27:38

implicit relative paths, from /

Time of First Successful Submission: 2024-05-17 16:29:21

explicit relative paths, from /

Time of First Successful Submission: 2024-05-17 16:30:53

implicit relative path

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

home sweet home

Time of First Successful Submission: 2024-05-17 16:35:28

cat: not the pet, but the command!

Time of First Successful Submission: 2024-05-17 16:37:27

catting absolute paths

Time of First Successful Submission: 2024-06-12 19:49:52

more catting practice

Time of First Successful Submission: 2024-06-12 19:50:56

grepping for a needle in a haystack

Time of First Successful Submission: 2024-05-17 16:38:47

comparing files

Time of First Successful Submission: 2025-08-18 15:16:25

listing files

Time of First Successful Submission: 2024-05-17 16:39:39

touching files

Time of First Successful Submission: 2024-05-17 16:40:23

removing files

Time of First Successful Submission: 2024-06-22 22:20:55

moving files

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

copying files

Time of First Successful Submission: 2025-11-10 15:44:58

hidden files

Time of First Successful Submission: 2024-05-17 16:42:02

An Epic Filesystem Quest

Time of First Successful Submission: 2024-05-17 16:48:06

making directories

Time of First Successful Submission: 2024-05-17 16:48:58

finding files

Time of First Successful Submission: 2024-05-17 16:53:09

linking files

Time of First Successful Submission: 2024-11-17 22:40:05

Learning From Documentation

Time of First Successful Submission: 2024-06-12 19:53:12

Learning Complex Usage

Time of First Successful Submission: 2024-06-12 19:54:31

Reading Manuals

Time of First Successful Submission: 2024-05-17 16:55:16

Searching Manuals

Time of First Successful Submission: 2024-05-17 16:58:42

Searching For Manuals

Time of First Successful Submission: 2024-05-17 18:43:38

Helpful Programs

Time of First Successful Submission: 2024-05-17 18:40:01

Help for Builtins

Time of First Successful Submission: 2024-05-23 19:22:06

Matching with *

Time of First Successful Submission: 2024-05-17 18:57:20

Matching with ?

Time of First Successful Submission: 2024-05-17 18:58:27

Matching with []

Time of First Successful Submission: 2024-05-17 19:00:19

Matching paths with []

Time of First Successful Submission: 2024-05-17 19:03:03

Multiple globs

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

Mixing globs

Time of First Successful Submission: 2024-05-17 19:09:46

Exclusionary globbing

Time of First Successful Submission: 2024-05-17 19:14:14

Tab completion

Time of First Successful Submission: 2025-06-09 15:07:09

Multiple options for tab completion

Time of First Successful Submission: 2025-06-09 15:08:34

Tab completion on commands

Time of First Successful Submission: 2025-06-09 15:09:15

Redirecting output

Time of First Successful Submission: 2024-05-17 19:15:42

Redirecting more output

Time of First Successful Submission: 2024-05-17 19:16:58

Appending output

Time of First Successful Submission: 2024-05-23 19:01:13

Redirecting errors

Time of First Successful Submission: 2024-05-17 19:19:26

Redirecting input

Time of First Successful Submission: 2024-05-17 19:20:42

Grepping stored results

Time of First Successful Submission: 2024-05-17 19:22:07

Grepping live output

Time of First Successful Submission: 2024-05-17 19:22:52

Grepping errors

Time of First Successful Submission: 2024-05-23 19:06:17

Filtering with grep -v

Time of First Successful Submission: 2025-06-05 20:12:19

Filtering with sed

Time of First Successful Submission: 2025-11-10 15:47:10

Duplicating piped data with tee

Time of First Successful Submission: 2024-06-12 20:08:02

Process substitution for input

Time of First Successful Submission: 2025-08-18 15:23:04

Writing to multiple programs

Time of First Successful Submission: 2024-11-17 22:50:12

Split-piping stderr and stdout

Time of First Successful Submission: 2024-11-17 23:03:51

Named pipes

Time of First Successful Submission: 2025-08-18 15:38:31

Printing Variables

Time of First Successful Submission: 2024-05-17 18:45:38

Setting Variables

Time of First Successful Submission: 2024-05-17 18:47:10

Multi-word Variables

Time of First Successful Submission: 2024-05-17 18:48:18

Exporting Variables

Time of First Successful Submission: 2024-05-17 18:51:35

Printing Exported Variables

Time of First Successful Submission: 2024-05-17 18:46:06

Storing Command Output

Time of First Successful Submission: 2024-11-17 23:06:00

Reading Input

Time of First Successful Submission: 2024-05-17 19:30:00

Reading Files

Time of First Successful Submission: 2024-05-17 19:32:22

Translating characters

Time of First Successful Submission: 2025-06-05 20:20:45

Deleting characters

Time of First Successful Submission: 2025-06-05 20:21:59

Deleting newlines

Time of First Successful Submission: 2025-06-05 20:23:18

Extracting the first lines with head

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

Extracting specific sections of text

Time of First Successful Submission: 2025-06-05 20:26:07

Sorting data

Time of First Successful Submission: 2025-08-18 15:25:54

Listing Processes

Time of First Successful Submission: 2024-05-18 15:19:33

Killing Processes

Time of First Successful Submission: 2024-05-18 15:21:09

Interrupting Processes

Time of First Successful Submission: 2024-05-18 15:21:46

Killing Misbehaving Processes

Time of First Successful Submission: 2025-08-18 16:06:19

Suspending Processes

Time of First Successful Submission: 2024-05-18 15:22:30

Resuming Processes

Time of First Successful Submission: 2024-05-18 15:22:59

Backgrounding Processes

Time of First Successful Submission: 2024-05-18 15:25:46

Foregrounding Processes

Time of First Successful Submission: 2024-05-18 15:27:11

Starting Backgrounded Processes

Time of First Successful Submission: 2024-05-18 15:27:45

Process Exit Codes

Time of First Successful Submission: 2024-11-17 23:14:10

Becoming root with su

Time of First Successful Submission: 2024-11-17 23:23:43

Other users with su

Time of First Successful Submission: 2024-11-17 23:24:38

Cracking passwords

Time of First Successful Submission: 2024-11-17 23:29:22

Using sudo

Time of First Successful Submission: 2024-11-17 23:32:28

Changing File Ownership

Time of First Successful Submission: 2024-05-17 19:36:27

Groups and Files

Time of First Successful Submission: 2024-11-17 23:17:53

Fun With Groups Names

Time of First Successful Submission: 2024-11-17 23:18:48

Changing Permissions

Time of First Successful Submission: 2024-11-17 23:21:08

Executable Files

Time of First Successful Submission: 2024-05-17 19:39:06

Permission Tweaking Practice

Time of First Successful Submission: 2024-05-17 19:35:22

Permissions Setting Practice

Time of First Successful Submission: 2024-05-23 19:19:42

The SUID Bit

Time of First Successful Submission: 2024-05-17 19:42:23

Chaining with Semicolons

Time of First Successful Submission: 2024-05-18 15:29:40

Building on Success

Time of First Successful Submission: 2025-08-18 16:19:37

Handling Failure

Time of First Successful Submission: 2025-08-18 16:20:33

Your First Shell Script

Time of First Successful Submission: 2024-05-23 19:10:11

Redirecting Script Output

Time of First Successful Submission: 2024-06-12 19:58:29

Executable Shell Scripts

Time of First Successful Submission: 2024-11-17 23:34:18

Understanding Shebangs

Time of First Successful Submission: 2025-08-18 16:24:44

Scripting with Arguments

Time of First Successful Submission: 2025-08-18 16:27:57

Scripting with Conditionals

Time of First Successful Submission: 2025-08-18 16:29:42

Scripting with Default Cases

Time of First Successful Submission: 2025-08-18 16:31:00

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-08-18 16:34:23

Reading Shell Scripts

Time of First Successful Submission: 2025-09-04 01:44:06

Launching Screen

Time of First Successful Submission: 2025-08-18 15:40:20

Detaching and Attaching

Time of First Successful Submission: 2025-08-18 15:44:49

Finding Sessions

Time of First Successful Submission: 2025-08-18 15:46:11

Switching Windows

Time of First Successful Submission: 2025-08-18 15:48:31

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-08-18 15:50:12

Switching Windows (tmux)

Time of First Successful Submission: 2025-08-18 15:51:28

The PATH Variable

Time of First Successful Submission: 2024-06-22 22:25:34

Setting PATH

Time of First Successful Submission: 2024-11-17 23:37:48

Finding Commands

Time of First Successful Submission: 2025-06-06 13:34:15

Adding Commands

Time of First Successful Submission: 2024-11-18 19:20:21

Hijacking Commands

Time of First Successful Submission: 2024-11-18 19:25:37

Bashrc Backdoor

Time of First Successful Submission: 2025-06-06 13:50:28

Sniffing Input

Time of First Successful Submission: 2025-06-06 13:59:47

Overshared Directories

Time of First Successful Submission: 2025-06-09 19:11:42

Tricky Linking

Time of First Successful Submission: 2025-06-09 19:23:24

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-06 14:09:01

Snooping on Configurations

Time of First Successful Submission: 2025-06-09 19:26:30

The Fork Bomb

Time of First Successful Submission: 2025-06-05 20:32:24

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-05 20:52:09

rm -rf /

Time of First Successful Submission: 2025-06-06 14:17:34

Life after rm -rf /

Time of First Successful Submission: 2025-06-06 14:24:22

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-06 14:32:17


Computing 101

94 / 94 8 / 20265


Your First Register

Time of First Successful Submission: 2024-11-19 00:47:24

Your First Syscall

Time of First Successful Submission: 2024-11-19 00:58:23

Exit Codes

Time of First Successful Submission: 2024-11-19 01:01:08

Building Executables

Time of First Successful Submission: 2024-11-19 01:08:30

Moving Between Registers

Time of First Successful Submission: 2024-11-19 01:14:31

Loading From Memory

Time of First Successful Submission: 2024-11-19 21:41:23

More Loading Practice

Time of First Successful Submission: 2024-11-19 21:42:50

Dereferencing Pointers

Time of First Successful Submission: 2024-11-19 21:46:19

Dereferencing Yourself

Time of First Successful Submission: 2024-11-19 21:49:21

Dereferencing with Offsets

Time of First Successful Submission: 2024-11-19 21:51:21

Stored Addresses

Time of First Successful Submission: 2024-11-19 21:54:05

Double Dereference

Time of First Successful Submission: 2024-11-19 21:57:40

The Stack

Time of First Successful Submission: 2026-02-18 13:42:23

Stack Offsets

Time of First Successful Submission: 2026-02-18 13:46:22

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-18 13:50:57

Popping From the Stack

Time of First Successful Submission: 2026-02-18 13:53:32

Disassembling Programs

Time of First Successful Submission: 2026-02-18 13:56:57

Tracing Syscalls

Time of First Successful Submission: 2024-11-19 01:12:32

Starting GDB

Time of First Successful Submission: 2025-06-05 21:07:39

Quitting GDB

Time of First Successful Submission: 2026-02-18 13:57:56

Starting Programs in GDB

Time of First Successful Submission: 2025-06-05 21:09:12

Disassembling in GDB

Time of First Successful Submission: 2026-02-18 14:36:45

Stepping Through Instructions

Time of First Successful Submission: 2026-02-18 14:38:22

Reading Register Values

Time of First Successful Submission: 2026-02-18 14:39:53

Popping Stack Values

Time of First Successful Submission: 2026-02-18 14:41:30

Examining Memory

Time of First Successful Submission: 2026-02-18 14:42:43

Examining Stack Pointers

Time of First Successful Submission: 2026-02-18 14:44:11

Cooperative Debugging

Time of First Successful Submission: 2026-02-18 14:53:57

Writing Output

Time of First Successful Submission: 2024-11-20 22:35:13

Chaining Syscalls

Time of First Successful Submission: 2024-11-20 22:36:36

Writing Strings

Time of First Successful Submission: 2024-11-20 22:37:43

Reading Data

Time of First Successful Submission: 2025-06-05 21:28:41

Opening Files

Time of First Successful Submission: 2026-02-18 15:03:10

Hardcoding the Filename

Time of First Successful Submission: 2026-02-18 15:12:53

Comparing Values

Time of First Successful Submission: 2026-02-18 15:19:47

Comparing Characters

Time of First Successful Submission: 2026-02-18 15:27:55

Conditional Control Flow

Time of First Successful Submission: 2026-02-18 15:33:29

Comparing Strings

Time of First Successful Submission: 2026-02-18 15:37:22

Reverse the Password

Time of First Successful Submission: 2026-02-18 15:42:29

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-18 16:09:42

Looping

Time of First Successful Submission: 2026-02-18 16:15:14

Reverse the Calculation

Time of First Successful Submission: 2026-02-18 16:20:34

Reverse the Reverse

Time of First Successful Submission: 2026-02-18 16:22:11

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-18 16:24:21

Loops on Data

Time of First Successful Submission: 2026-02-18 16:26:12

set-register

Time of First Successful Submission: 2024-01-08 21:46:36

set-multiple-registers

Time of First Successful Submission: 2024-03-02 22:36:02

add-to-register

Time of First Successful Submission: 2024-01-08 21:50:48

linear-equation-registers

Time of First Successful Submission: 2024-01-08 22:08:03

integer-division

Time of First Successful Submission: 2024-01-08 23:00:33

modulo-operation

Time of First Successful Submission: 2024-01-08 23:03:58

set-upper-byte

Time of First Successful Submission: 2024-03-02 21:51:49

efficient-modulo

Time of First Successful Submission: 2024-01-09 15:48:39

byte-extraction

Time of First Successful Submission: 2024-01-09 16:30:31

bitwise-and

Time of First Successful Submission: 2024-01-09 16:49:39

check-even

Time of First Successful Submission: 2024-01-09 21:35:39

memory-read

Time of First Successful Submission: 2024-03-03 13:49:21

memory-write

Time of First Successful Submission: 2024-03-03 13:57:03

memory-increment

Time of First Successful Submission: 2024-01-09 21:49:03

byte-access

Time of First Successful Submission: 2024-03-03 14:08:55

memory-size-access

Time of First Successful Submission: 2024-01-09 21:54:55

little-endian-write

Time of First Successful Submission: 2024-01-09 22:17:58

memory-sum

Time of First Successful Submission: 2024-01-09 22:23:38

stack-subtraction

Time of First Successful Submission: 2024-01-09 22:28:10

swap-stack-values

Time of First Successful Submission: 2024-01-09 22:31:08

average-stack-values

Time of First Successful Submission: 2024-01-09 22:49:55

absolute-jump

Time of First Successful Submission: 2024-03-03 14:43:15

relative-jump

Time of First Successful Submission: 2024-03-03 14:49:06

jump-trampoline

Time of First Successful Submission: 2024-03-03 14:53:02

conditional-jump

Time of First Successful Submission: 2024-03-03 20:34:25

indirect-jump

Time of First Successful Submission: 2024-03-03 22:51:48

average-loop

Time of First Successful Submission: 2024-03-04 00:13:42

count-non-zero

Time of First Successful Submission: 2024-03-05 20:52:02

string-lower

Time of First Successful Submission: 2024-03-05 23:40:17

most-common-byte

Time of First Successful Submission: 2024-03-07 17:42:09

Exit

Time of First Successful Submission: 2024-04-01 13:16:04

Socket

Time of First Successful Submission: 2024-04-01 13:41:50

Bind

Time of First Successful Submission: 2024-04-01 14:30:04

Listen

Time of First Successful Submission: 2024-04-01 14:35:56

Accept

Time of First Successful Submission: 2024-04-01 14:45:48

Static Response

Time of First Successful Submission: 2024-04-01 16:41:28

Dynamic Response

Time of First Successful Submission: 2025-06-05 23:54:24

Iterative GET Server

Time of First Successful Submission: 2025-06-06 00:28:02

Concurrent GET Server

Time of First Successful Submission: 2025-06-06 01:21:24

Concurrent POST Server

Time of First Successful Submission: 2025-06-06 15:10:16

Web Server

Time of First Successful Submission: 2025-06-06 16:44:52

Debugging Programs

Time of First Successful Submission: 2024-02-29 21:36:14

Inspecting Registers

Time of First Successful Submission: 2024-02-29 21:38:01

Examining Memory

Time of First Successful Submission: 2024-02-29 21:58:50

Setting Breakpoints

Time of First Successful Submission: 2024-02-29 22:50:08

GDB Scripting

Time of First Successful Submission: 2024-03-01 21:43:38

Modifying Data

Time of First Successful Submission: 2024-03-01 23:37:07

Modifying Execution

Time of First Successful Submission: 2024-03-01 23:42:03

Broken Functions

Time of First Successful Submission: 2024-03-02 17:40:41


Playing With Programs

116 / 116 165 / 22797


What's the password?

Time of First Successful Submission: 2025-06-09 19:28:37

... and again!

Time of First Successful Submission: 2025-06-09 19:29:15

Newline Troubles

Time of First Successful Submission: 2025-06-09 19:30:56

Reasoning about files

Time of First Successful Submission: 2025-06-09 19:34:11

Specifying Filenames

Time of First Successful Submission: 2025-06-09 19:35:04

Binary and Hex Encoding

Time of First Successful Submission: 2025-06-09 20:06:46

More Hex

Time of First Successful Submission: 2025-06-09 20:13:31

Decoding Hex

Time of First Successful Submission: 2025-06-09 20:30:24

Decoding Practice

Time of First Successful Submission: 2025-06-12 15:47:14

Encoding Practice

Time of First Successful Submission: 2025-06-12 16:01:00

Hex-encoding ASCII

Time of First Successful Submission: 2025-06-12 16:12:52

Nested Encoding

Time of First Successful Submission: 2025-06-12 16:40:06

Hex-encoding UTF-8

Time of First Successful Submission: 2025-06-12 16:47:25

UTF Mixups

Time of First Successful Submission: 2025-06-12 16:55:43

Modifying Encoded Data

Time of First Successful Submission: 2025-06-12 17:08:43

Decoding Base64

Time of First Successful Submission: 2025-06-12 17:15:23

Encoding Base64

Time of First Successful Submission: 2025-06-12 17:21:33

Dealing with Obfuscation

Time of First Successful Submission: 2025-06-12 17:25:13

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-06-12 20:37:44

Your First HTTP Request

Time of First Successful Submission: 2025-06-09 20:50:32

Reading Flask

Time of First Successful Submission: 2025-06-09 20:52:34

Commented Data

Time of First Successful Submission: 2025-06-09 20:54:54

HTTP Metadata

Time of First Successful Submission: 2025-06-09 20:56:47

HTTP (netcat)

Time of First Successful Submission: 2024-01-04 21:42:45

HTTP Paths (netcat)

Time of First Successful Submission: 2024-01-05 16:44:48

HTTP (curl)

Time of First Successful Submission: 2024-01-05 16:42:30

HTTP (python)

Time of First Successful Submission: 2024-01-05 16:46:54

HTTP Host Header (python)

Time of First Successful Submission: 2024-01-05 16:38:48

HTTP Host Header (curl)

Time of First Successful Submission: 2024-01-05 14:46:17

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-01-05 16:33:24

URL Encoding (netcat)

Time of First Successful Submission: 2024-01-05 19:32:45

HTTP GET Parameters

Time of First Successful Submission: 2024-01-05 19:41:18

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-01-05 20:06:03

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-01-05 20:03:47

HTTP Forms

Time of First Successful Submission: 2025-06-09 20:59:16

HTTP Forms (curl)

Time of First Successful Submission: 2024-01-05 20:15:36

HTTP Forms (netcat)

Time of First Successful Submission: 2024-01-05 20:44:56

HTTP Forms (python)

Time of First Successful Submission: 2024-01-05 20:47:48

HTTP Forms Without Forms

Time of First Successful Submission: 2025-06-10 16:21:42

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-01-05 20:50:40

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-01-05 21:13:55

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-01-08 14:29:04

HTTP Redirects (curl)

Time of First Successful Submission: 2024-01-08 14:01:04

HTTP Redirects (python)

Time of First Successful Submission: 2024-01-08 14:16:37

HTTP Cookies (curl)

Time of First Successful Submission: 2024-01-08 14:31:41

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-01-08 14:33:53

HTTP Cookies (python)

Time of First Successful Submission: 2024-01-08 14:35:06

Server State (python)

Time of First Successful Submission: 2024-01-08 14:42:27

Listening Web

Time of First Successful Submission: 2025-06-09 21:28:33

Speaking Redirects

Time of First Successful Submission: 2025-06-09 21:39:25

JavaScript Redirects

Time of First Successful Submission: 2025-06-09 21:48:54

Including JavaScript

Time of First Successful Submission: 2025-06-11 17:22:25

HTTP (javascript)

Time of First Successful Submission: 2025-06-11 20:22:56

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-06-11 20:31:49

HTTP Forms (javascript)

Time of First Successful Submission: 2025-06-11 20:57:18

cat

Time of First Successful Submission: 2024-01-11 22:11:33

more

Time of First Successful Submission: 2024-01-11 22:12:11

less

Time of First Successful Submission: 2024-01-11 22:12:47

tail

Time of First Successful Submission: 2024-01-11 22:13:51

head

Time of First Successful Submission: 2024-01-11 22:14:27

sort

Time of First Successful Submission: 2024-01-11 22:15:21

vim

Time of First Successful Submission: 2024-01-11 22:16:06

emacs

Time of First Successful Submission: 2024-01-11 22:16:43

nano

Time of First Successful Submission: 2024-01-11 22:21:45

rev

Time of First Successful Submission: 2024-01-11 22:23:28

od

Time of First Successful Submission: 2024-01-11 22:32:47

hd

Time of First Successful Submission: 2024-01-11 22:35:39

xxd

Time of First Successful Submission: 2024-01-11 22:41:16

base32

Time of First Successful Submission: 2024-01-11 22:42:47

base64

Time of First Successful Submission: 2024-01-11 22:43:38

split

Time of First Successful Submission: 2024-01-11 22:47:20

gzip

Time of First Successful Submission: 2024-01-11 22:52:20

bzip2

Time of First Successful Submission: 2024-01-11 22:54:45

zip

Time of First Successful Submission: 2024-01-11 23:06:26

tar

Time of First Successful Submission: 2024-01-12 02:46:46

ar

Time of First Successful Submission: 2024-01-12 02:54:24

cpio

Time of First Successful Submission: 2024-01-12 12:40:03

genisoimage

Time of First Successful Submission: 2024-01-12 14:33:36

env

Time of First Successful Submission: 2024-01-12 13:52:00

find

Time of First Successful Submission: 2024-01-12 13:59:59

make

Time of First Successful Submission: 2024-01-12 14:31:05

nice

Time of First Successful Submission: 2024-01-12 14:12:56

timeout

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

stdbuf

Time of First Successful Submission: 2024-01-12 14:15:55

setarch

Time of First Successful Submission: 2024-01-12 14:24:19

watch

Time of First Successful Submission: 2024-01-12 14:40:27

socat

Time of First Successful Submission: 2024-01-12 14:44:36

whiptail

Time of First Successful Submission: 2024-01-12 14:48:37

awk

Time of First Successful Submission: 2024-01-12 15:58:15

sed

Time of First Successful Submission: 2024-01-12 16:03:27

ed

Time of First Successful Submission: 2024-01-12 17:36:57

chown

Time of First Successful Submission: 2024-01-12 18:49:14

chmod

Time of First Successful Submission: 2024-01-12 18:50:02

cp

Time of First Successful Submission: 2024-01-12 18:53:35

mv

Time of First Successful Submission: 2024-01-12 22:51:22

perl

Time of First Successful Submission: 2024-01-12 19:07:40

python

Time of First Successful Submission: 2024-01-12 19:09:07

ruby

Time of First Successful Submission: 2024-01-12 19:11:59

bash

Time of First Successful Submission: 2024-01-12 19:23:34

date

Time of First Successful Submission: 2024-01-12 19:24:27

dmesg

Time of First Successful Submission: 2024-01-12 19:25:17

wc

Time of First Successful Submission: 2024-01-12 19:27:18

gcc

Time of First Successful Submission: 2024-01-12 22:56:24

as

Time of First Successful Submission: 2024-01-12 22:59:23

wget

Time of First Successful Submission: 2024-01-12 23:37:01

ssh-keygen

Time of First Successful Submission: 2024-01-17 18:47:37

SQL Queries

Time of First Successful Submission: 2025-06-06 16:50:14

Filtering SQL

Time of First Successful Submission: 2025-06-06 16:56:21

Choosing Columns

Time of First Successful Submission: 2025-06-06 16:57:30

Exclusionary Filtering

Time of First Successful Submission: 2025-06-06 17:02:23

Filtering Strings

Time of First Successful Submission: 2025-06-06 17:03:32

Filtering on Expressions

Time of First Successful Submission: 2025-06-06 17:07:27

SELECTing Expressions

Time of First Successful Submission: 2025-06-06 17:17:24

Composite Conditions

Time of First Successful Submission: 2025-06-06 17:19:48

Reaching Your LIMITs

Time of First Successful Submission: 2025-06-06 17:21:50

Querying Metadata

Time of First Successful Submission: 2025-06-06 17:25:04


GCA CTF

11 / 104 1677 / 40587


Using the Terminal

Time of First Successful Submission: 2025-08-06 14:08:29

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-04 21:07:04

Using the GUI Desktop

Time of First Successful Submission: 2024-01-04 21:09:02

Pasting into the Desktop

Time of First Successful Submission: 2024-01-04 21:11:28

Restarting Challenges

Time of First Successful Submission: 2024-06-22 22:27:23

Getting Help

Time of First Successful Submission: 2024-10-31 18:16:12

Challenge Programs

Time of First Successful Submission: 2024-05-17 15:22:14

The Flag File

Time of First Successful Submission: 2024-01-04 21:12:57

Using Privileged Mode

Time of First Successful Submission: 2024-01-04 21:15:55

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-04 21:18:00

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-04 21:18:56