0x2a

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Example Dojo

5 / 7 296 / 587


Apple

Time of First Successful Submission: 2024-08-11 22:52:40

Banana

Time of First Successful Submission: 2024-08-11 22:53:45

Earth

Time of First Successful Submission: 2024-08-11 22:54:21

Mars

Time of First Successful Submission: 2024-08-11 22:54:57

Venus

Time of First Successful Submission: 2024-08-11 22:57:00


Example Import Dojo

4 / 4 311 / 586


Apple

Time of First Successful Submission: 2024-08-11 22:52:40

Banana

Time of First Successful Submission: 2024-08-11 22:53:45

Earth

Time of First Successful Submission: 2024-08-11 22:54:21

Martian Planet

Time of First Successful Submission: 2024-08-11 22:54:57


pwn.college Archives

115 / 232 1530 / 25951


level1

Time of First Successful Submission: 2024-07-13 22:18:39

level2

Time of First Successful Submission: 2024-07-13 22:20:28

level3

Time of First Successful Submission: 2024-07-23 04:58:26

level4

Time of First Successful Submission: 2024-07-28 21:20:39

level5

Time of First Successful Submission: 2024-07-28 21:24:22

level6

Time of First Successful Submission: 2024-07-28 21:35:48

level7

Time of First Successful Submission: 2024-07-28 21:39:13

level8

Time of First Successful Submission: 2024-07-28 21:43:59

level9

Time of First Successful Submission: 2024-07-28 21:47:00

level10

Time of First Successful Submission: 2024-07-28 21:52:38

level11

Time of First Successful Submission: 2024-07-28 22:00:07

level12

Time of First Successful Submission: 2024-07-28 22:10:28

level13

Time of First Successful Submission: 2024-07-28 22:13:20

level14

Time of First Successful Submission: 2024-07-28 22:14:58

level15

Time of First Successful Submission: 2024-07-28 22:19:36

level16

Time of First Successful Submission: 2024-07-29 00:24:36

level17

Time of First Successful Submission: 2024-07-29 00:27:56

level18

Time of First Successful Submission: 2024-07-29 00:29:50

level19

Time of First Successful Submission: 2024-07-29 16:35:39

level20

Time of First Successful Submission: 2024-07-29 16:42:55

level21

Time of First Successful Submission: 2024-07-29 16:56:13

level22

Time of First Successful Submission: 2024-07-29 17:08:32

level23

Time of First Successful Submission: 2024-07-29 17:20:17

level24

Time of First Successful Submission: 2024-07-29 17:32:09

level25

Time of First Successful Submission: 2024-07-29 17:37:16

level26

Time of First Successful Submission: 2024-07-29 17:45:51

level27

Time of First Successful Submission: 2024-07-29 18:02:25

level28

Time of First Successful Submission: 2024-07-29 18:08:49

level29

Time of First Successful Submission: 2024-07-29 18:21:56

level30

Time of First Successful Submission: 2024-07-30 17:38:33

level31

Time of First Successful Submission: 2024-07-30 17:48:49

level32

Time of First Successful Submission: 2024-07-30 18:11:24

level33

Time of First Successful Submission: 2024-07-30 18:28:53

level34

Time of First Successful Submission: 2024-07-30 19:03:45

level35

Time of First Successful Submission: 2024-07-30 19:10:53

level36

Time of First Successful Submission: 2024-07-30 19:16:16

level37

Time of First Successful Submission: 2024-07-30 19:24:06

level38

Time of First Successful Submission: 2024-07-30 19:26:20

level39

Time of First Successful Submission: 2024-07-30 19:34:10

level40

Time of First Successful Submission: 2024-07-31 16:32:34

level41

Time of First Successful Submission: 2024-07-31 17:01:37

level42

Time of First Successful Submission: 2024-07-31 17:07:55

level43

Time of First Successful Submission: 2024-07-31 17:11:53

level44

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

level45

Time of First Successful Submission: 2024-07-31 17:20:44

level46

Time of First Successful Submission: 2024-07-31 17:24:00

level47

Time of First Successful Submission: 2024-07-31 17:27:05

level48

Time of First Successful Submission: 2024-07-31 17:42:43

level49

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

level50

Time of First Successful Submission: 2024-08-02 09:12:04

level51

Time of First Successful Submission: 2024-08-02 09:13:03

level52

Time of First Successful Submission: 2024-08-07 19:38:56

level53

Time of First Successful Submission: 2024-08-07 19:51:49

level54

Time of First Successful Submission: 2024-08-07 20:00:31

level55

Time of First Successful Submission: 2024-08-07 20:03:36

level56

Time of First Successful Submission: 2024-08-07 20:09:37

level57

Time of First Successful Submission: 2024-08-08 07:17:13

level58

Time of First Successful Submission: 2024-08-08 07:23:04

level59

Time of First Successful Submission: 2024-08-08 07:30:26

level60

Time of First Successful Submission: 2024-08-08 08:06:29

level61

Time of First Successful Submission: 2024-08-14 19:36:14

HTTP (curl)

Time of First Successful Submission: 2024-06-18 18:58:47

HTTP (python)

Time of First Successful Submission: 2024-07-11 04:51:22

URL Encoding (curl)

Time of First Successful Submission: 2024-07-11 05:21:36

URL Encoding (python)

Time of First Successful Submission: 2024-07-12 19:40:39

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-07-12 20:16:02

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-07-12 20:18:05

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-07-12 20:49:50

Multiple Form Fields (python)

Time of First Successful Submission: 2024-07-13 14:15:18

HTTP JSON (curl)

Time of First Successful Submission: 2024-07-13 13:31:29

HTTP JSON (netcat)

Time of First Successful Submission: 2024-07-13 14:24:52

HTTP JSON (python)

Time of First Successful Submission: 2024-07-13 16:44:16

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-07-13 17:01:42

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-07-13 17:28:36

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-07-13 17:59:37

Server State (curl)

Time of First Successful Submission: 2024-07-13 19:37:24

Server State (netcat)

Time of First Successful Submission: 2024-07-13 19:43:06

Twisted Text (Easy)

Time of First Successful Submission: 2024-08-14 18:24:21

Twisted Text (Hard)

Time of First Successful Submission: 2024-08-14 18:33:45

Tidy Task (Easy)

Time of First Successful Submission: 2024-08-14 18:41:26

Tidy Task (Hard)

Time of First Successful Submission: 2024-08-14 18:44:12

Logical License (Easy)

Time of First Successful Submission: 2024-08-14 18:53:32

Logical License (Hard)

Time of First Successful Submission: 2024-08-14 19:04:33

Modest Mangler (Easy)

Time of First Successful Submission: 2024-08-16 07:27:38

Triple Dereference

Time of First Successful Submission: 2024-08-12 17:26:01

set-register

Time of First Successful Submission: 2024-07-14 01:35:32

set-multiple-registers

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

add-to-register

Time of First Successful Submission: 2024-07-14 01:49:36

linear-equation-registers

Time of First Successful Submission: 2024-07-14 03:37:13

integer-division

Time of First Successful Submission: 2024-07-15 20:10:43

modulo-operation

Time of First Successful Submission: 2024-07-15 20:29:30

set-upper-byte

Time of First Successful Submission: 2024-07-15 20:39:40

efficient-modulo

Time of First Successful Submission: 2024-07-15 20:57:11

byte-extraction

Time of First Successful Submission: 2024-07-15 21:34:13

bitwise-and

Time of First Successful Submission: 2024-07-15 23:10:32

check-even

Time of First Successful Submission: 2024-07-16 03:58:42

memory-read

Time of First Successful Submission: 2024-07-16 04:03:47

memory-write

Time of First Successful Submission: 2024-07-16 04:08:31

memory-increment

Time of First Successful Submission: 2024-07-16 04:17:55

byte-access

Time of First Successful Submission: 2024-07-16 04:26:06

memory-size-access

Time of First Successful Submission: 2024-07-16 04:37:09

little-endian-write

Time of First Successful Submission: 2024-07-16 04:55:21

memory-sum

Time of First Successful Submission: 2024-07-16 19:53:57

stack-subtraction

Time of First Successful Submission: 2024-07-16 20:05:40

swap-stack-values

Time of First Successful Submission: 2024-07-16 20:19:08

average-stack-values

Time of First Successful Submission: 2024-07-17 21:49:50

absolute-jump

Time of First Successful Submission: 2024-07-17 21:57:56

relative-jump

Time of First Successful Submission: 2024-07-17 22:35:54

jump-trampoline

Time of First Successful Submission: 2024-07-17 23:22:58

conditional-jump

Time of First Successful Submission: 2024-07-18 16:01:27

indirect-jump

Time of First Successful Submission: 2024-07-18 19:42:05

average-loop

Time of First Successful Submission: 2024-07-18 20:03:50

count-non-zero

Time of First Successful Submission: 2024-07-18 20:27:01

string-lower

Time of First Successful Submission: 2024-07-19 02:01:40

most-common-byte

Time of First Successful Submission: 2024-07-19 02:31:01


ARM Architecture

15 / 28 270 / 834


Level1

Time of First Successful Submission: 2024-08-05 18:30:50

Level2

Time of First Successful Submission: 2024-08-05 18:43:07

Level3

Time of First Successful Submission: 2024-08-05 18:59:34

Level4

Time of First Successful Submission: 2024-08-05 19:11:11

Level5

Time of First Successful Submission: 2024-08-06 03:05:24

Level6

Time of First Successful Submission: 2024-08-06 03:30:07

Level7

Time of First Successful Submission: 2024-08-06 04:24:53

Level8

Time of First Successful Submission: 2024-08-06 04:41:00

Level9

Time of First Successful Submission: 2024-08-06 15:42:40

Level10

Time of First Successful Submission: 2024-08-06 16:21:28

Level11

Time of First Successful Submission: 2024-08-06 16:54:50

Level12

Time of First Successful Submission: 2024-08-06 16:56:49

Level13

Time of First Successful Submission: 2024-08-06 17:36:08

Level14

Time of First Successful Submission: 2024-08-07 17:04:00

Level15

Time of First Successful Submission: 2024-08-07 17:58:56


Cryptographic Exploitation

7 / 59 139 / 615


Language Barrier

Time of First Successful Submission: 2026-01-06 07:17:35

Baby Steps

Time of First Successful Submission: 2026-01-06 07:20:26

Roman Cryptography

Time of First Successful Submission: 2026-01-06 07:28:11

Obscura

Time of First Successful Submission: 2026-01-06 07:30:57

XOR

Time of First Successful Submission: 2026-01-06 07:36:27

XOR 2.0

Time of First Successful Submission: 2026-01-06 07:44:08

Modular Arithmetic

Time of First Successful Submission: 2026-01-06 07:47:15


CTF Archive

11 / 834 180 / 1021


WEB - 100 - Networking 101

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

CRYPTO - 100 - 1

Time of First Successful Submission: 2024-08-15 11:43:38

CRYPTO - 100 - 2

Time of First Successful Submission: 2024-08-15 11:49:20

CRYPTO - 100 - 3

Time of First Successful Submission: 2024-08-15 12:02:27

CRYPTO - 100 - 4

Time of First Successful Submission: 2024-08-15 12:04:28

CRYPTO - 200 - 5

Time of First Successful Submission: 2024-08-15 12:10:23

CRYPTO - 200 - 6

Time of First Successful Submission: 2024-08-15 12:14:09

CRYPTO - 200 - 7

Time of First Successful Submission: 2024-08-15 12:24:02

CRYPTO - 300 - 8

Time of First Successful Submission: 2024-08-15 12:34:01

CRYPTO - 300 - 9

Time of First Successful Submission: 2024-08-15 12:36:31

CRYPTO - 300 - 10

Time of First Successful Submission: 2024-08-15 13:00:06


Intro to Programming Languages

15 / 253 7294 / 48976


Commands

Time of First Successful Submission: 2024-07-03 16:47:49

Command Arguments

Time of First Successful Submission: 2024-07-03 16:48:29

Command History

Time of First Successful Submission: 2025-12-12 06:39:56

The Root Path

Time of First Successful Submission: 2024-06-18 18:17:26

Absolute Paths

Time of First Successful Submission: 2024-06-18 18:22:30

Changing position

Time of First Successful Submission: 2024-06-18 21:25:23

Changing to an Absolute Path

Time of First Successful Submission: 2024-06-18 21:26:14

Relative Paths

Time of First Successful Submission: 2024-06-18 21:29:44

Cat

Time of First Successful Submission: 2024-06-18 18:39:47

Ls

Time of First Successful Submission: 2024-06-19 19:10:51

Ls All

Time of First Successful Submission: 2024-06-19 19:18:32

Find

Time of First Successful Submission: 2024-06-19 19:36:11

Piping Echo

Time of First Successful Submission: 2024-07-06 00:31:59

Piping Stdout

Time of First Successful Submission: 2024-07-06 00:33:27

Piping Stdin

Time of First Successful Submission: 2024-07-06 00:44:51


The Art of the Shell

1 / 55 425 / 604


The Transient Path

Time of First Successful Submission: 2024-08-05 17:09:42


XNU Dojo

15 / 61 288 / 856


Level1

Time of First Successful Submission: 2024-08-05 18:30:50

Level2

Time of First Successful Submission: 2024-08-05 18:43:07

Level3

Time of First Successful Submission: 2024-08-05 18:59:34

Level4

Time of First Successful Submission: 2024-08-05 19:11:11

Level5

Time of First Successful Submission: 2024-08-06 03:05:24

Level6

Time of First Successful Submission: 2024-08-06 03:30:07

Level7

Time of First Successful Submission: 2024-08-06 04:24:53

Level8

Time of First Successful Submission: 2024-08-06 04:41:00

Level9

Time of First Successful Submission: 2024-08-06 15:42:40

Level10

Time of First Successful Submission: 2024-08-06 16:21:28

Level11

Time of First Successful Submission: 2024-08-06 16:54:50

Level12

Time of First Successful Submission: 2024-08-06 16:56:49

Level13

Time of First Successful Submission: 2024-08-06 17:36:08

Level14

Time of First Successful Submission: 2024-08-07 17:04:00

Level15

Time of First Successful Submission: 2024-08-07 17:58:56


Intro to Cybersecurity

183 / 183 295 / 24889


Path Traversal 1

Time of First Successful Submission: 2024-08-08 11:35:17

Path Traversal 2

Time of First Successful Submission: 2025-12-19 09:17:56

CMDi 1

Time of First Successful Submission: 2025-12-19 09:20:09

CMDi 2

Time of First Successful Submission: 2025-12-19 09:23:40

CMDi 3

Time of First Successful Submission: 2025-12-19 09:29:07

CMDi 4

Time of First Successful Submission: 2024-08-08 11:49:50

CMDi 5

Time of First Successful Submission: 2025-12-19 09:32:13

CMDi 6

Time of First Successful Submission: 2025-12-19 09:37:56

Authentication Bypass 1

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

Authentication Bypass 2

Time of First Successful Submission: 2026-05-31 04:18:11

SQLi 1

Time of First Successful Submission: 2026-05-31 04:35:24

SQLi 2

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

SQLi 3

Time of First Successful Submission: 2024-08-08 15:27:52

SQLi 4

Time of First Successful Submission: 2024-08-08 18:50:02

SQLi 5

Time of First Successful Submission: 2024-08-15 03:01:55

XSS 1

Time of First Successful Submission: 2026-05-31 06:30:09

XSS 2

Time of First Successful Submission: 2026-05-31 06:33:59

XSS 3

Time of First Successful Submission: 2024-08-13 03:49:24

XSS 4

Time of First Successful Submission: 2024-08-13 04:36:23

XSS 5

Time of First Successful Submission: 2024-08-13 06:05:39

XSS 6

Time of First Successful Submission: 2026-05-31 06:41:45

XSS 7

Time of First Successful Submission: 2026-05-31 07:07:30

CSRF 1

Time of First Successful Submission: 2026-06-24 06:23:13

CSRF 2

Time of First Successful Submission: 2026-06-24 06:58:41

CSRF 3

Time of First Successful Submission: 2026-06-24 07:12:05

CSRF 4

Time of First Successful Submission: 2026-06-24 09:16:06

CSRF 5

Time of First Successful Submission: 2026-06-24 09:24:40

Connect

Time of First Successful Submission: 2024-07-22 23:59:07

Send

Time of First Successful Submission: 2026-06-09 06:16:58

Shutdown

Time of First Successful Submission: 2026-06-09 06:19:01

Listen

Time of First Successful Submission: 2024-07-22 23:59:54

Scan 1

Time of First Successful Submission: 2024-07-23 00:06:44

Scan 2

Time of First Successful Submission: 2024-07-23 01:05:29

Monitor 1

Time of First Successful Submission: 2024-07-23 03:51:02

Monitor 2

Time of First Successful Submission: 2024-07-23 04:26:57

Sniffing Cookies

Time of First Successful Submission: 2026-06-25 08:18:34

Network Configuration

Time of First Successful Submission: 2024-07-23 19:08:19

Firewall 1

Time of First Successful Submission: 2026-06-25 08:22:21

Firewall 2

Time of First Successful Submission: 2026-06-25 08:26:27

Firewall 3

Time of First Successful Submission: 2026-06-25 08:28:23

Denial of Service 1

Time of First Successful Submission: 2026-06-25 08:34:05

Denial of Service 2

Time of First Successful Submission: 2026-06-25 08:36:57

Denial of Service 3

Time of First Successful Submission: 2026-06-25 08:40:04

Ethernet

Time of First Successful Submission: 2024-07-23 19:12:22

IP

Time of First Successful Submission: 2024-07-31 18:45:35

TCP

Time of First Successful Submission: 2024-07-31 20:28:37

TCP Handshake

Time of First Successful Submission: 2024-08-01 23:11:33

UDP

Time of First Successful Submission: 2026-06-25 16:51:09

UDP 2

Time of First Successful Submission: 2026-06-25 16:55:40

UDP Spoofing 1

Time of First Successful Submission: 2026-06-26 04:57:16

UDP Spoofing 2

Time of First Successful Submission: 2026-06-26 05:00:34

UDP Spoofing 3

Time of First Successful Submission: 2026-06-26 05:05:01

UDP Spoofing 4

Time of First Successful Submission: 2026-06-26 05:07:03

ARP

Time of First Successful Submission: 2024-08-01 16:06:25

Intercept

Time of First Successful Submission: 2024-08-02 04:51:47

Man-in-the-Middle

Time of First Successful Submission: 2024-08-02 06:56:24

XOR

Time of First Successful Submission: 2026-06-09 09:06:05

XORing Hex

Time of First Successful Submission: 2026-06-09 09:14:57

XORing ASCII

Time of First Successful Submission: 2026-06-09 09:30:44

XORing ASCII Strings

Time of First Successful Submission: 2026-06-09 09:46:54

One-time Pad

Time of First Successful Submission: 2024-07-23 05:55:28

One-time Pad Tampering

Time of First Successful Submission: 2026-06-10 07:07:52

Many-time Pad

Time of First Successful Submission: 2024-07-23 06:22:09

AES

Time of First Successful Submission: 2024-08-05 20:22:18

AES-ECB-CPA

Time of First Successful Submission: 2026-06-11 02:27:26

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-06-13 04:55:08

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-06-13 05:20:16

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-06-14 06:05:09

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-06-16 03:17:31

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-06-16 03:40:42

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2024-08-10 18:30:38

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-06-16 04:20:18

AES-CBC

Time of First Successful Submission: 2026-06-17 04:47:36

AES-CBC Tampering

Time of First Successful Submission: 2026-06-17 05:33:53

AES-CBC Resizing

Time of First Successful Submission: 2026-06-17 05:56:03

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-06-18 06:33:45

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-06-18 06:52:50

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-06-18 06:58:08

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-06-18 07:48:05

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-06-18 08:16:35

DHKE

Time of First Successful Submission: 2024-08-12 05:09:39

DHKE-to-AES

Time of First Successful Submission: 2026-06-19 04:37:23

RSA 1

Time of First Successful Submission: 2024-08-11 05:59:15

RSA 2

Time of First Successful Submission: 2024-08-11 06:09:47

RSA 3

Time of First Successful Submission: 2024-08-11 19:40:16

RSA 4

Time of First Successful Submission: 2024-08-12 05:56:43

RSA Signatures

Time of First Successful Submission: 2026-06-19 08:08:22

SHA 1

Time of First Successful Submission: 2024-08-11 06:44:26

SHA 2

Time of First Successful Submission: 2024-08-11 18:56:09

TLS 1

Time of First Successful Submission: 2024-08-12 19:38:54

TLS 2

Time of First Successful Submission: 2026-06-19 08:36:09

level1

Time of First Successful Submission: 2024-08-03 06:14:51

level2

Time of First Successful Submission: 2024-08-03 06:19:44

level3

Time of First Successful Submission: 2024-08-03 06:22:26

level4

Time of First Successful Submission: 2024-08-03 06:23:59

level5

Time of First Successful Submission: 2024-08-03 06:48:43

level6

Time of First Successful Submission: 2024-08-03 07:37:38

level7

Time of First Successful Submission: 2024-08-03 07:42:05

level8

Time of First Successful Submission: 2024-08-03 07:44:01

level9

Time of First Successful Submission: 2024-08-03 07:45:54

level10

Time of First Successful Submission: 2024-08-03 07:54:31

level11

Time of First Successful Submission: 2024-08-03 08:09:47

level12

Time of First Successful Submission: 2024-08-03 08:20:01

level13

Time of First Successful Submission: 2024-08-03 08:22:36

level14

Time of First Successful Submission: 2024-08-03 08:25:31

level15

Time of First Successful Submission: 2024-08-03 08:28:33

level16

Time of First Successful Submission: 2024-08-03 08:33:58

level17

Time of First Successful Submission: 2024-08-03 16:27:01

level18

Time of First Successful Submission: 2024-08-03 16:53:58

level19

Time of First Successful Submission: 2024-08-08 05:41:17

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-05-31 07:48:48

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-05-31 08:01:33

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-05-31 08:07:42

Reading Endianness (Python)

Time of First Successful Submission: 2026-06-01 04:08:54

Reading Endianness (C)

Time of First Successful Submission: 2026-06-01 04:14:34

Reading Endianness (x86)

Time of First Successful Submission: 2026-06-01 04:19:45

Version Information (Python)

Time of First Successful Submission: 2026-06-01 04:39:46

Version Information (C)

Time of First Successful Submission: 2026-06-01 04:42:12

Version Information (x86)

Time of First Successful Submission: 2026-06-01 05:01:17

Metadata and Data (Python)

Time of First Successful Submission: 2026-06-01 05:21:33

Metadata and Data (C)

Time of First Successful Submission: 2026-06-01 05:42:43

Metadata and Data (x86)

Time of First Successful Submission: 2026-06-01 06:15:52

Input Restrictions (Python)

Time of First Successful Submission: 2026-06-01 06:23:10

Input Restrictions (C)

Time of First Successful Submission: 2026-06-01 06:34:01

Input Restrictions (x86)

Time of First Successful Submission: 2026-06-01 06:59:17

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-06-01 07:15:08

Behold the cIMG! (C)

Time of First Successful Submission: 2026-06-01 07:23:34

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-06-01 07:46:20

A Basic cIMG (Python)

Time of First Successful Submission: 2026-06-02 04:29:51

A Basic cIMG (C)

Time of First Successful Submission: 2026-06-02 04:45:04

A Basic cIMG (x86)

Time of First Successful Submission: 2026-06-02 04:56:30

Internal State Mini (C)

Time of First Successful Submission: 2026-06-02 05:50:39

Internal State Mini (x86)

Time of First Successful Submission: 2026-06-02 06:37:42

Internal State (C)

Time of First Successful Submission: 2026-06-02 08:14:16

Internal State (x86)

Time of First Successful Submission: 2026-06-02 08:41:33

File Formats: Directives (C)

Time of First Successful Submission: 2026-06-02 08:53:38

File Formats: Directives (x86)

Time of First Successful Submission: 2026-06-02 09:14:52

The Patch Directive

Time of First Successful Submission: 2026-06-05 08:29:56

Optimizing for Space

Time of First Successful Submission: 2026-06-05 10:35:41

Tweaking Images

Time of First Successful Submission: 2026-06-06 05:20:32

Storage and Retrieval

Time of First Successful Submission: 2026-06-06 08:15:40

Extracting Knowledge

Time of First Successful Submission: 2026-06-06 09:00:35

Advanced Sprites

Time of First Successful Submission: 2026-06-08 06:42:25

Accessing Resources

Time of First Successful Submission: 2026-06-08 07:24:01

Unsafe Animations

Time of First Successful Submission: 2026-06-08 07:45:43

Animations

Time of First Successful Submission: 2026-06-08 08:20:48

Interoperability: Patching Data

Time of First Successful Submission: 2026-06-08 11:38:37

Patching Code

Time of First Successful Submission: 2026-06-09 05:03:29

Patching Control Flow

Time of First Successful Submission: 2026-06-09 06:08:40

Your First Overflow (easy)

Time of First Successful Submission: 2026-06-20 05:01:18

Your First Overflow (hard)

Time of First Successful Submission: 2026-06-20 05:22:38

Precision (easy)

Time of First Successful Submission: 2026-06-20 05:25:17

Precision (hard)

Time of First Successful Submission: 2026-06-20 05:30:12

Variable Control (easy)

Time of First Successful Submission: 2026-06-22 05:23:32

Variable Control (hard)

Time of First Successful Submission: 2026-06-22 06:00:43

Control Hijack (easy)

Time of First Successful Submission: 2026-06-22 06:34:15

Control Hijack (hard)

Time of First Successful Submission: 2026-06-22 06:44:57

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-06-22 06:55:31

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-06-22 06:58:19

PIEs (easy)

Time of First Successful Submission: 2026-06-22 08:47:53

PIEs (hard)

Time of First Successful Submission: 2026-06-22 09:05:47

String Lengths (easy)

Time of First Successful Submission: 2026-06-22 09:18:41

String Lengths (hard)

Time of First Successful Submission: 2026-06-22 09:40:41

Basic Shellcode

Time of First Successful Submission: 2026-06-23 04:30:57

NOP Sleds

Time of First Successful Submission: 2026-06-23 04:42:24

NULL-Free Shellcode

Time of First Successful Submission: 2026-06-23 04:48:09

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-06-23 05:06:36

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-06-23 05:12:26

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-06-23 06:05:37

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-06-23 07:41:28

ECB-to-Win (easy)

Time of First Successful Submission: 2026-06-26 05:36:32

ECB-to-Win (hard)

Time of First Successful Submission: 2026-06-26 05:50:00

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-06-26 06:01:59

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-06-26 06:16:35

CIMG Screenshots

Time of First Successful Submission: 2026-06-28 08:52:42

CIMG Screenshots 2

Time of First Successful Submission: 2026-06-29 09:14:18

Wily Webserver

Time of First Successful Submission: 2026-06-29 09:57:06

The Watering Hole

Time of First Successful Submission: 2026-06-30 09:11:58

Secure Chat 1

Time of First Successful Submission: 2026-07-01 03:56:13

Secure Chat 2

Time of First Successful Submission: 2026-09-19 07:49:22

Secure Chat 3

Time of First Successful Submission: 2026-09-19 09:04:24

Secure Chat 4

Time of First Successful Submission: 2026-09-19 09:13:27

Secure Chat 5

Time of First Successful Submission: 2026-09-19 09:20:23


Program Security

95 / 159 867 / 10658


ello ackers!

Time of First Successful Submission: 2026-07-01 11:32:44

Syscall Smuggler

Time of First Successful Submission: 2026-07-03 09:06:13

Syscall Shenanigans

Time of First Successful Submission: 2026-07-03 09:09:41

Byte Budget

Time of First Successful Submission: 2026-08-24 09:14:35

ClobberCode

Time of First Successful Submission: 2026-08-25 05:02:25

Diverse Delivery

Time of First Successful Submission: 2026-08-25 05:57:50

Pocket Payload

Time of First Successful Submission: 2026-08-26 06:32:49

Micro Menace

Time of First Successful Submission: 2026-08-27 04:37:44

Login Leakage (Easy)

Time of First Successful Submission: 2026-08-27 07:38:28

Login Leakage (Hard)

Time of First Successful Submission: 2026-08-27 07:44:13

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-08-27 15:23:22

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-08-27 15:33:34

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-08-27 17:15:46

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-08-27 17:20:34

Pointer Problems (Easy)

Time of First Successful Submission: 2026-08-28 04:43:38

Pointer Problems (Hard)

Time of First Successful Submission: 2026-08-28 06:50:26

Anomalous Array (Easy)

Time of First Successful Submission: 2026-08-29 04:20:34

Anomalous Array (Hard)

Time of First Successful Submission: 2026-08-29 04:33:14

Now you got it (Easy)

Time of First Successful Submission: 2026-08-29 07:12:31

Now you got it (Hard)

Time of First Successful Submission: 2026-08-29 08:00:01

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-08-30 05:03:43

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-08-30 05:41:22

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-08-30 07:21:05

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-08-30 07:31:01

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-09-01 16:21:45

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-09-01 23:23:14

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-09-02 00:39:27

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-09-02 00:52:04

Latent Leak (Easy)

Time of First Successful Submission: 2026-09-02 20:07:19

Latent Leak (Hard)

Time of First Successful Submission: 2026-09-02 20:29:21

Fork Foolery (Easy)

Time of First Successful Submission: 2026-09-03 06:21:51

Fork Foolery (Hard)

Time of First Successful Submission: 2026-09-03 06:39:48

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-09-04 08:03:25

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-09-05 12:12:30

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-09-05 07:07:15

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-09-06 05:07:27

Can It Fizz?

Time of First Successful Submission: 2026-09-07 20:47:10

Does It Buzz?

Time of First Successful Submission: 2026-09-08 07:24:01

Make It FizzBuzz

Time of First Successful Submission: 2026-09-10 16:32:32

Terrible Token (Easy)

Time of First Successful Submission: 2024-08-13 21:06:11

Terrible Token (Hard)

Time of First Successful Submission: 2024-08-14 17:36:29

Tangled Ticket (Easy)

Time of First Successful Submission: 2024-08-14 17:42:15

Tangled Ticket (Hard)

Time of First Successful Submission: 2024-08-14 18:16:07

Bit Bender

Time of First Successful Submission: 2026-09-10 20:07:20

Substitution Sorcery

Time of First Successful Submission: 2026-09-10 21:09:10

Meager Mangler (Easy)

Time of First Successful Submission: 2024-08-15 01:03:44

Meager Mangler (Hard)

Time of First Successful Submission: 2024-08-15 01:39:24

Monstrous Mangler (Easy)

Time of First Successful Submission: 2024-08-16 09:52:43

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-09-12 06:13:42

Patched Up (Easy)

Time of First Successful Submission: 2026-09-12 06:53:47

Patched Up (Hard)

Time of First Successful Submission: 2026-09-12 06:56:52

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-09-12 06:59:13

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-09-12 07:00:13

Patch Perfect (Easy)

Time of First Successful Submission: 2026-09-12 07:05:20

Patch Perfect (Hard)

Time of First Successful Submission: 2026-09-12 07:26:21

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-09-13 04:15:57

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-09-13 04:20:09

Know the Yancode (Easy)

Time of First Successful Submission: 2026-09-13 05:09:16

Know the Yancode (Hard)

Time of First Successful Submission: 2026-09-13 05:14:10

Master the Yancode (Easy)

Time of First Successful Submission: 2026-09-13 06:55:19

Master the Yancode (Hard)

Time of First Successful Submission: 2026-09-14 06:13:09

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-09-14 07:29:29

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-09-14 07:49:50

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-09-16 17:55:25

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-09-18 08:08:56

The Yangler (Easy)

Time of First Successful Submission: 2026-09-18 08:43:39

The Yangler (Hard)

Time of First Successful Submission: 2026-09-18 09:29:49

Yancraft (Easy)

Time of First Successful Submission: 2026-09-19 05:26:03

Yancraft (Hard)

Time of First Successful Submission: 2026-09-19 05:40:38

Yansanity (Easy)

Time of First Successful Submission: 2026-09-22 10:04:17

Yansanity (Hard)

Time of First Successful Submission: 2026-09-24 22:41:39

When the Cow Says Moo

Time of First Successful Submission: 2026-09-20 04:53:44

Predictable Migration

Time of First Successful Submission: 2026-09-20 07:50:49

Hashing Heifers

Time of First Successful Submission: 2026-09-21 18:55:51

Salty Stampede

Time of First Successful Submission: 2026-09-22 07:35:43

Loose Link (Easy)

Time of First Successful Submission: 2026-09-25 00:46:59

Loose Link (Hard)

Time of First Successful Submission: 2026-09-25 00:50:41

Call Chain (Easy)

Time of First Successful Submission: 2026-09-25 01:10:44

Call Chain (Hard)

Time of First Successful Submission: 2026-09-25 01:12:24

Chain of Command (Easy)

Time of First Successful Submission: 2026-09-25 02:31:11

Chain of Command (Hard)

Time of First Successful Submission: 2026-09-25 03:14:35

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-09-25 06:05:28

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-09-25 06:16:37

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-09-25 08:47:26

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-09-25 09:01:40

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-09-25 16:46:03

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-09-25 17:58:32

Leaky Libc (Easy)

Time of First Successful Submission: 2026-09-25 22:33:40

Leaky Libc (Hard)

Time of First Successful Submission: 2026-09-26 15:46:31

Putsception (Easy)

Time of First Successful Submission: 2026-09-27 02:43:03

Putsception (Hard)

Time of First Successful Submission: 2026-09-27 03:25:34

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-09-29 05:20:24

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-09-29 07:21:46

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-09-30 03:59:44

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-09-30 05:11:38


Start Here

10 / 10 6543 / 67822


Using the Terminal

Time of First Successful Submission: 2025-12-12 06:34:27

Using the VSCode Workspace

Time of First Successful Submission: 2024-07-04 02:14:53

Using the GUI Desktop

Time of First Successful Submission: 2024-07-04 02:15:41

Pasting into the Desktop

Time of First Successful Submission: 2024-07-04 02:18:28

Restarting Challenges

Time of First Successful Submission: 2024-07-04 02:21:03

Challenge Programs

Time of First Successful Submission: 2024-07-04 02:21:59

The Flag File

Time of First Successful Submission: 2024-07-04 02:23:38

Using Privileged Mode

Time of First Successful Submission: 2024-07-04 02:26:43

Persistent Home Directories - One

Time of First Successful Submission: 2024-07-04 02:30:16

Persistent Home Directories - Two

Time of First Successful Submission: 2024-07-04 02:31:15


Linux Luminarium

128 / 128 859 / 49664


Intro to Commands

Time of First Successful Submission: 2024-07-03 16:47:49

Intro to Arguments

Time of First Successful Submission: 2024-07-03 16:48:29

Command History

Time of First Successful Submission: 2025-12-12 06:39:56

The Root

Time of First Successful Submission: 2024-06-18 18:17:26

Program and absolute paths

Time of First Successful Submission: 2024-06-18 18:22:30

Position thy self

Time of First Successful Submission: 2024-06-18 21:25:23

Position elsewhere

Time of First Successful Submission: 2024-06-18 21:26:14

implicit relative paths, from /

Time of First Successful Submission: 2024-06-18 21:29:44

explicit relative paths, from /

Time of First Successful Submission: 2024-07-03 16:57:42

implicit relative path

Time of First Successful Submission: 2024-06-18 21:54:50

home sweet home

Time of First Successful Submission: 2024-07-03 17:03:58

cat: not the pet, but the command!

Time of First Successful Submission: 2024-06-18 18:39:47

catting absolute paths

Time of First Successful Submission: 2024-06-18 18:41:27

more catting practice

Time of First Successful Submission: 2024-06-18 18:43:47

grepping for a needle in a haystack

Time of First Successful Submission: 2024-06-18 18:45:43

comparing files

Time of First Successful Submission: 2025-12-12 06:40:51

listing files

Time of First Successful Submission: 2024-06-19 19:10:51

touching files

Time of First Successful Submission: 2024-06-19 19:11:58

removing files

Time of First Successful Submission: 2024-06-19 19:13:36

moving files

Time of First Successful Submission: 2025-12-12 06:42:13

copying files

Time of First Successful Submission: 2025-12-12 06:42:58

hidden files

Time of First Successful Submission: 2024-06-19 19:18:32

An Epic Filesystem Quest

Time of First Successful Submission: 2024-06-19 19:28:18

making directories

Time of First Successful Submission: 2024-06-19 19:31:14

finding files

Time of First Successful Submission: 2024-06-19 19:36:11

linking files

Time of First Successful Submission: 2024-07-23 04:48:07

Learning From Documentation

Time of First Successful Submission: 2024-06-20 20:25:08

Learning Complex Usage

Time of First Successful Submission: 2024-07-03 17:45:27

Reading Manuals

Time of First Successful Submission: 2024-07-02 23:21:26

Searching Manuals

Time of First Successful Submission: 2024-07-02 23:22:58

Searching For Manuals

Time of First Successful Submission: 2024-07-03 17:20:23

Helpful Programs

Time of First Successful Submission: 2024-07-03 18:03:12

Help for Builtins

Time of First Successful Submission: 2024-07-03 18:06:58

Matching with *

Time of First Successful Submission: 2024-07-03 18:23:54

Matching with ?

Time of First Successful Submission: 2024-07-03 18:40:26

Matching with []

Time of First Successful Submission: 2024-07-03 18:45:50

Matching paths with []

Time of First Successful Submission: 2024-07-03 18:55:19

Multiple globs

Time of First Successful Submission: 2025-12-12 06:45:24

Mixing globs

Time of First Successful Submission: 2024-07-05 22:53:11

Exclusionary globbing

Time of First Successful Submission: 2024-07-05 22:50:28

Tab completion

Time of First Successful Submission: 2025-12-12 06:46:33

Multiple options for tab completion

Time of First Successful Submission: 2025-12-12 06:49:58

Tab completion on commands

Time of First Successful Submission: 2025-12-12 06:50:34

Redirecting output

Time of First Successful Submission: 2024-07-06 00:31:59

Redirecting more output

Time of First Successful Submission: 2024-07-06 00:33:27

Appending output

Time of First Successful Submission: 2024-07-06 00:35:15

Redirecting errors

Time of First Successful Submission: 2024-07-06 00:40:19

Redirecting input

Time of First Successful Submission: 2024-07-06 00:44:51

Grepping stored results

Time of First Successful Submission: 2024-07-06 00:56:16

Grepping live output

Time of First Successful Submission: 2024-07-06 00:57:25

Grepping errors

Time of First Successful Submission: 2024-07-06 00:59:24

Filtering with grep -v

Time of First Successful Submission: 2025-12-12 06:52:08

Filtering with sed

Time of First Successful Submission: 2025-12-12 06:54:01

Duplicating piped data with tee

Time of First Successful Submission: 2024-07-06 01:17:13

Process substitution for input

Time of First Successful Submission: 2025-12-12 06:57:43

Writing to multiple programs

Time of First Successful Submission: 2024-07-20 01:07:10

Split-piping stderr and stdout

Time of First Successful Submission: 2024-08-13 19:59:32

Named pipes

Time of First Successful Submission: 2025-12-12 07:07:56

Printing Variables

Time of First Successful Submission: 2024-07-02 16:42:31

Setting Variables

Time of First Successful Submission: 2024-07-02 16:46:12

Multi-word Variables

Time of First Successful Submission: 2024-07-02 16:49:16

Exporting Variables

Time of First Successful Submission: 2024-07-02 16:55:51

Printing Exported Variables

Time of First Successful Submission: 2024-07-02 16:43:40

Storing Command Output

Time of First Successful Submission: 2024-07-20 00:58:45

Reading Input

Time of First Successful Submission: 2024-07-02 17:00:12

Reading Files

Time of First Successful Submission: 2024-07-02 17:05:56

Translating characters

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

Deleting characters

Time of First Successful Submission: 2025-12-12 07:14:08

Deleting newlines

Time of First Successful Submission: 2025-12-12 07:18:26

Extracting the first lines with head

Time of First Successful Submission: 2025-12-12 07:20:03

Extracting specific sections of text

Time of First Successful Submission: 2025-12-12 07:22:41

Sorting data

Time of First Successful Submission: 2025-12-12 07:23:27

Listing Processes

Time of First Successful Submission: 2024-07-06 01:25:58

Killing Processes

Time of First Successful Submission: 2024-07-06 01:29:03

Interrupting Processes

Time of First Successful Submission: 2024-07-06 01:29:53

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-14 05:51:50

Suspending Processes

Time of First Successful Submission: 2024-07-06 01:30:42

Resuming Processes

Time of First Successful Submission: 2024-07-06 01:31:36

Backgrounding Processes

Time of First Successful Submission: 2024-07-06 01:36:30

Foregrounding Processes

Time of First Successful Submission: 2024-07-06 01:37:42

Starting Backgrounded Processes

Time of First Successful Submission: 2024-07-06 01:38:20

Process Exit Codes

Time of First Successful Submission: 2024-08-07 01:10:19

Becoming root with su

Time of First Successful Submission: 2024-07-17 21:18:03

Other users with su

Time of First Successful Submission: 2024-07-17 21:19:22

Cracking passwords

Time of First Successful Submission: 2024-07-17 21:26:17

Using sudo

Time of First Successful Submission: 2024-07-17 23:29:05

Changing File Ownership

Time of First Successful Submission: 2024-07-05 23:24:48

Groups and Files

Time of First Successful Submission: 2024-07-05 23:26:19

Fun With Groups Names

Time of First Successful Submission: 2024-07-05 23:27:48

Changing Permissions

Time of First Successful Submission: 2024-07-05 23:34:04

Executable Files

Time of First Successful Submission: 2024-07-05 23:53:07

Permission Tweaking Practice

Time of First Successful Submission: 2024-07-06 04:49:32

Permissions Setting Practice

Time of First Successful Submission: 2024-07-06 04:53:14

The SUID Bit

Time of First Successful Submission: 2024-07-06 03:44:33

Chaining with Semicolons

Time of First Successful Submission: 2024-07-02 16:14:36

Building on Success

Time of First Successful Submission: 2025-12-14 05:55:03

Handling Failure

Time of First Successful Submission: 2025-12-14 05:55:57

Your First Shell Script

Time of First Successful Submission: 2024-07-02 16:26:36

Redirecting Script Output

Time of First Successful Submission: 2024-07-02 16:35:15

Executable Shell Scripts

Time of First Successful Submission: 2024-07-05 18:27:11

Understanding Shebangs

Time of First Successful Submission: 2025-12-14 05:58:41

Scripting with Arguments

Time of First Successful Submission: 2025-12-14 06:01:07

Scripting with Conditionals

Time of First Successful Submission: 2025-12-14 06:05:08

Scripting with Default Cases

Time of First Successful Submission: 2025-12-14 06:06:51

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-14 06:09:34

Reading Shell Scripts

Time of First Successful Submission: 2025-12-14 06:14:13

Launching Screen

Time of First Successful Submission: 2025-12-12 07:25:52

Detaching and Attaching

Time of First Successful Submission: 2025-12-12 07:27:12

Finding Sessions

Time of First Successful Submission: 2025-12-12 07:28:22

Switching Windows

Time of First Successful Submission: 2025-12-12 07:29:35

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-12 07:31:22

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-12 07:32:42

The PATH Variable

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

Setting PATH

Time of First Successful Submission: 2024-07-05 18:12:54

Finding Commands

Time of First Successful Submission: 2025-12-14 06:15:50

Adding Commands

Time of First Successful Submission: 2024-07-06 03:09:20

Hijacking Commands

Time of First Successful Submission: 2024-07-06 03:22:51

Bashrc Backdoor

Time of First Successful Submission: 2025-12-14 06:18:38

Sniffing Input

Time of First Successful Submission: 2025-12-14 06:57:41

Overshared Directories

Time of First Successful Submission: 2025-12-14 07:05:12

Tricky Linking

Time of First Successful Submission: 2025-12-14 07:23:23

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-14 07:35:09

Snooping on Configurations

Time of First Successful Submission: 2025-12-14 07:41:54

The Fork Bomb

Time of First Successful Submission: 2025-12-14 07:54:15

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-14 08:13:18

rm -rf /

Time of First Successful Submission: 2025-12-14 08:17:25

Life after rm -rf /

Time of First Successful Submission: 2025-12-14 08:27:05

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-14 08:31:52


Computing 101

93 / 132 964 / 24235


Your First Register

Time of First Successful Submission: 2024-08-06 15:09:05

Your First Syscall

Time of First Successful Submission: 2024-08-06 15:10:55

Exit Codes

Time of First Successful Submission: 2024-08-09 01:29:03

Building Executables

Time of First Successful Submission: 2025-12-14 08:40:34

Moving Between Registers

Time of First Successful Submission: 2025-12-14 08:43:12

Loading From Memory

Time of First Successful Submission: 2024-08-09 19:16:03

More Loading Practice

Time of First Successful Submission: 2024-08-09 19:17:14

Dereferencing Pointers

Time of First Successful Submission: 2024-08-09 19:18:29

Dereferencing Yourself

Time of First Successful Submission: 2024-08-09 23:25:40

Dereferencing with Offsets

Time of First Successful Submission: 2024-08-12 18:30:15

Stored Addresses

Time of First Successful Submission: 2024-08-09 23:36:22

Double Dereference

Time of First Successful Submission: 2024-08-10 02:55:34

The Stack

Time of First Successful Submission: 2026-05-12 03:22:08

Stack Offsets

Time of First Successful Submission: 2026-05-12 03:23:48

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-12 03:26:16

Popping From the Stack

Time of First Successful Submission: 2026-05-12 03:28:46

Negative Numbers

Time of First Successful Submission: 2026-08-22 15:07:36

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-08-22 15:14:10

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-08-22 15:16:13

Encoding Negatives

Time of First Successful Submission: 2026-08-22 15:21:23

Binary and Hex Encoding

Time of First Successful Submission: 2026-08-22 15:23:25

More Hex

Time of First Successful Submission: 2026-08-22 15:24:34

Decoding Hex

Time of First Successful Submission: 2026-08-22 15:26:59

Mixed Conversions

Time of First Successful Submission: 2026-08-22 15:34:15

Disassembling Programs

Time of First Successful Submission: 2026-05-12 03:32:49

Tracing Syscalls

Time of First Successful Submission: 2024-08-06 15:15:43

Starting GDB

Time of First Successful Submission: 2025-12-14 08:45:16

Quitting GDB

Time of First Successful Submission: 2026-05-12 03:35:43

Starting Programs in GDB

Time of First Successful Submission: 2025-12-14 08:46:35

Disassembling in GDB

Time of First Successful Submission: 2026-05-12 03:38:06

Stepping Through Instructions

Time of First Successful Submission: 2026-05-12 03:39:56

Reading Register Values

Time of First Successful Submission: 2026-05-12 03:41:16

Setting Register Values

Time of First Successful Submission: 2026-08-22 15:39:18

Popping Stack Values

Time of First Successful Submission: 2026-05-12 03:42:58

Examining Memory

Time of First Successful Submission: 2026-05-12 03:45:16

Examining Stack Pointers

Time of First Successful Submission: 2026-05-12 03:48:40

Cooperative Debugging

Time of First Successful Submission: 2026-05-12 03:54:23

Running with Arguments

Time of First Successful Submission: 2026-08-22 15:41:25

Redirecting Input in GDB

Time of First Successful Submission: 2026-08-22 15:43:17

Writing Output

Time of First Successful Submission: 2025-12-14 08:55:54

Chaining Syscalls

Time of First Successful Submission: 2025-12-14 09:00:00

Writing Strings

Time of First Successful Submission: 2025-12-14 09:02:25

Reading Data

Time of First Successful Submission: 2025-12-14 09:06:32

Reading Exactly

Time of First Successful Submission: 2026-08-22 17:45:55

Opening Files

Time of First Successful Submission: 2026-05-29 17:44:43

Hardcoding the Filename

Time of First Successful Submission: 2026-05-29 18:08:42

RIP-Relative Strings

Time of First Successful Submission: 2026-08-22 17:59:10

Comparing Values

Time of First Successful Submission: 2026-05-29 18:22:03

Comparing Characters

Time of First Successful Submission: 2026-05-29 18:29:21

Conditional Control Flow

Time of First Successful Submission: 2026-05-29 18:36:38

Comparing Strings

Time of First Successful Submission: 2026-05-29 18:40:17

Reverse the Password

Time of First Successful Submission: 2026-05-29 18:49:52

Conditionals Without Conditionals

Time of First Successful Submission: 2026-05-29 19:07:14

Recognizing Loops

Time of First Successful Submission: 2026-05-29 19:31:41

Writing Loops

Time of First Successful Submission: 2026-08-22 18:13:30

Writing From a Shared Library

Time of First Successful Submission: 2026-08-20 22:57:48

Returning a Value

Time of First Successful Submission: 2026-09-19 10:21:49

Calling Through a Pointer

Time of First Successful Submission: 2026-09-19 10:25:12

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-09-19 10:31:11

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-09-19 10:39:13

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-09-19 10:45:33

Sign Extension

Time of First Successful Submission: 2026-08-20 23:07:07

Little-Endian Bytes

Time of First Successful Submission: 2026-08-20 23:18:54

Qword by Qword

Time of First Successful Submission: 2026-09-19 11:01:23

Cracking a Struct

Time of First Successful Submission: 2026-08-21 01:51:20

Reverse the Calculation

Time of First Successful Submission: 2026-05-29 19:47:35

Reverse the Reverse

Time of First Successful Submission: 2026-05-29 19:49:20

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-05-29 19:53:50

Loops on Data

Time of First Successful Submission: 2026-05-29 20:04:21

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-08-21 15:13:07

Loading Stale Stack Data

Time of First Successful Submission: 2026-08-21 15:31:04

Stealing Stale Stack Data

Time of First Successful Submission: 2026-09-20 08:23:50

Reserving Your Own Frame

Time of First Successful Submission: 2026-08-21 15:43:32

Environment Variables on the Stack

Time of First Successful Submission: 2026-08-21 15:52:56

Debugging Programs

Time of First Successful Submission: 2024-07-25 04:22:20

Inspecting Registers

Time of First Successful Submission: 2024-07-26 17:35:29

Examining Memory

Time of First Successful Submission: 2024-07-27 03:57:49

Setting Breakpoints

Time of First Successful Submission: 2024-08-08 20:28:14

GDB Scripting

Time of First Successful Submission: 2024-08-08 20:54:18

Modifying Data

Time of First Successful Submission: 2024-08-10 19:48:07

Modifying Execution

Time of First Successful Submission: 2024-08-10 19:51:42

Broken Functions

Time of First Successful Submission: 2024-08-10 19:59:49

Exit

Time of First Successful Submission: 2024-07-14 05:22:18

Socket

Time of First Successful Submission: 2024-07-20 20:19:27

Bind

Time of First Successful Submission: 2024-07-21 15:19:41

Listen

Time of First Successful Submission: 2024-07-21 15:27:36

Accept

Time of First Successful Submission: 2024-07-21 15:40:02

Static Response

Time of First Successful Submission: 2024-07-21 20:09:01

Dynamic Response

Time of First Successful Submission: 2024-07-22 21:13:38

Iterative GET Server

Time of First Successful Submission: 2024-07-22 21:28:51

Concurrent GET Server

Time of First Successful Submission: 2024-07-22 23:04:05

Concurrent POST Server

Time of First Successful Submission: 2024-07-22 23:04:38

Web Server

Time of First Successful Submission: 2024-07-22 23:05:19


Playing With Programs

116 / 116 578 / 26519


What's the password?

Time of First Successful Submission: 2025-12-14 09:17:49

... and again!

Time of First Successful Submission: 2025-12-14 09:18:46

Newline Troubles

Time of First Successful Submission: 2025-12-14 09:19:48

Reasoning about files

Time of First Successful Submission: 2025-12-14 09:21:07

Specifying Filenames

Time of First Successful Submission: 2025-12-14 09:22:40

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-14 09:34:07

More Hex

Time of First Successful Submission: 2025-12-14 09:39:20

Decoding Hex

Time of First Successful Submission: 2025-12-14 09:46:54

Decoding Practice

Time of First Successful Submission: 2025-12-14 09:56:30

Encoding Practice

Time of First Successful Submission: 2025-12-14 10:03:13

Hex-encoding ASCII

Time of First Successful Submission: 2025-12-14 10:10:00

Nested Encoding

Time of First Successful Submission: 2025-12-14 10:20:24

Hex-encoding UTF-8

Time of First Successful Submission: 2025-12-14 10:26:08

UTF Mixups

Time of First Successful Submission: 2025-12-14 10:37:33

Modifying Encoded Data

Time of First Successful Submission: 2025-12-14 10:40:56

Decoding Base64

Time of First Successful Submission: 2024-07-23 05:39:18

Encoding Base64

Time of First Successful Submission: 2025-12-14 10:43:41

Dealing with Obfuscation

Time of First Successful Submission: 2025-12-14 11:02:18

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-12-14 11:18:52

Your First HTTP Request

Time of First Successful Submission: 2025-12-14 11:22:48

Reading Flask

Time of First Successful Submission: 2025-12-14 11:26:01

Commented Data

Time of First Successful Submission: 2025-12-14 11:28:56

HTTP Metadata

Time of First Successful Submission: 2025-12-14 11:32:45

HTTP (netcat)

Time of First Successful Submission: 2024-07-07 04:51:16

HTTP Paths (netcat)

Time of First Successful Submission: 2024-07-11 05:16:52

HTTP (curl)

Time of First Successful Submission: 2024-07-11 05:15:18

HTTP (python)

Time of First Successful Submission: 2024-07-11 05:18:48

HTTP Host Header (python)

Time of First Successful Submission: 2024-07-11 05:12:45

HTTP Host Header (curl)

Time of First Successful Submission: 2024-07-11 05:00:45

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-07-11 05:03:31

URL Encoding (netcat)

Time of First Successful Submission: 2024-07-12 19:52:56

HTTP GET Parameters

Time of First Successful Submission: 2024-07-12 20:06:47

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-07-12 20:37:53

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-07-12 20:29:23

HTTP Forms

Time of First Successful Submission: 2025-12-15 08:31:52

HTTP Forms (curl)

Time of First Successful Submission: 2024-07-12 20:55:49

HTTP Forms (netcat)

Time of First Successful Submission: 2024-07-13 12:38:29

HTTP Forms (python)

Time of First Successful Submission: 2024-07-13 12:48:09

HTTP Forms Without Forms

Time of First Successful Submission: 2025-12-15 08:41:32

Multiple Form Fields (curl)

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

Multiple Form Fields (netcat)

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

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-07-13 18:12:39

HTTP Redirects (curl)

Time of First Successful Submission: 2024-07-13 18:01:20

HTTP Redirects (python)

Time of First Successful Submission: 2024-07-13 18:17:55

HTTP Cookies (curl)

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

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-07-13 18:55:01

HTTP Cookies (python)

Time of First Successful Submission: 2024-07-13 18:57:15

Server State (python)

Time of First Successful Submission: 2024-07-13 19:44:38

Listening Web

Time of First Successful Submission: 2025-12-15 08:51:04

Speaking Redirects

Time of First Successful Submission: 2025-12-15 09:17:45

JavaScript Redirects

Time of First Successful Submission: 2025-12-15 10:02:24

Including JavaScript

Time of First Successful Submission: 2025-12-15 10:16:34

HTTP (javascript)

Time of First Successful Submission: 2025-12-15 10:28:33

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-12-15 10:32:42

HTTP Forms (javascript)

Time of First Successful Submission: 2025-12-15 10:39:30

cat

Time of First Successful Submission: 2024-07-04 02:44:21

more

Time of First Successful Submission: 2024-07-04 02:47:12

less

Time of First Successful Submission: 2024-07-04 02:48:04

tail

Time of First Successful Submission: 2024-07-04 02:49:09

head

Time of First Successful Submission: 2024-07-04 02:50:32

sort

Time of First Successful Submission: 2024-07-04 02:51:32

vim

Time of First Successful Submission: 2024-07-04 02:52:26

emacs

Time of First Successful Submission: 2024-07-04 02:53:15

nano

Time of First Successful Submission: 2024-07-04 02:54:07

rev

Time of First Successful Submission: 2024-07-04 02:57:44

od

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

hd

Time of First Successful Submission: 2024-07-04 03:05:19

xxd

Time of First Successful Submission: 2024-07-04 03:07:09

base32

Time of First Successful Submission: 2024-07-04 03:10:03

base64

Time of First Successful Submission: 2024-07-04 03:12:36

split

Time of First Successful Submission: 2024-07-04 03:14:24

gzip

Time of First Successful Submission: 2024-07-04 16:29:11

bzip2

Time of First Successful Submission: 2024-07-04 16:36:27

zip

Time of First Successful Submission: 2024-07-04 16:55:01

tar

Time of First Successful Submission: 2024-07-04 16:57:54

ar

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

cpio

Time of First Successful Submission: 2024-07-06 07:24:19

genisoimage

Time of First Successful Submission: 2024-07-10 05:05:39

env

Time of First Successful Submission: 2024-07-10 05:12:47

find

Time of First Successful Submission: 2024-07-10 23:52:25

make

Time of First Successful Submission: 2024-07-11 00:02:53

nice

Time of First Successful Submission: 2024-07-11 00:09:06

timeout

Time of First Successful Submission: 2024-07-11 00:13:41

stdbuf

Time of First Successful Submission: 2024-07-11 00:20:47

setarch

Time of First Successful Submission: 2024-07-11 00:36:05

watch

Time of First Successful Submission: 2024-07-11 00:40:03

socat

Time of First Successful Submission: 2024-07-11 00:45:14

whiptail

Time of First Successful Submission: 2024-07-11 00:53:51

awk

Time of First Successful Submission: 2024-07-11 00:59:49

sed

Time of First Successful Submission: 2024-07-11 01:12:29

ed

Time of First Successful Submission: 2024-07-11 01:14:10

chown

Time of First Successful Submission: 2024-07-11 01:17:04

chmod

Time of First Successful Submission: 2024-07-11 01:19:18

cp

Time of First Successful Submission: 2024-07-11 01:20:56

mv

Time of First Successful Submission: 2024-07-11 01:27:19

perl

Time of First Successful Submission: 2024-07-11 01:38:51

python

Time of First Successful Submission: 2024-07-11 01:41:53

ruby

Time of First Successful Submission: 2024-07-11 01:44:59

bash

Time of First Successful Submission: 2024-07-11 01:51:58

date

Time of First Successful Submission: 2024-07-11 01:52:55

dmesg

Time of First Successful Submission: 2024-07-11 01:53:49

wc

Time of First Successful Submission: 2024-07-11 01:55:44

gcc

Time of First Successful Submission: 2024-07-11 01:59:01

as

Time of First Successful Submission: 2024-07-11 02:00:43

wget

Time of First Successful Submission: 2024-07-13 21:56:11

ssh-keygen

Time of First Successful Submission: 2024-08-15 05:26:38

SQL Queries

Time of First Successful Submission: 2025-12-14 11:36:50

Filtering SQL

Time of First Successful Submission: 2025-12-14 11:44:45

Choosing Columns

Time of First Successful Submission: 2025-12-14 11:50:54

Exclusionary Filtering

Time of First Successful Submission: 2025-12-15 07:51:57

Filtering Strings

Time of First Successful Submission: 2025-12-15 07:53:33

Filtering on Expressions

Time of First Successful Submission: 2025-12-15 08:04:12

SELECTing Expressions

Time of First Successful Submission: 2025-12-15 08:13:47

Composite Conditions

Time of First Successful Submission: 2025-12-15 08:17:57

Reaching Your LIMITs

Time of First Successful Submission: 2025-12-15 08:21:27

Querying Metadata

Time of First Successful Submission: 2025-12-15 08:28:08


Arizona CTF 2025

1 / 23 387 / 905


Hijack Me!

Time of First Successful Submission: 2024-08-05 17:09:42


Desert CodeSprouts

3 / 7 64 / 156


Password Cracking

Time of First Successful Submission: 2024-08-03 03:55:46

Information Gathering

Time of First Successful Submission: 2024-08-03 04:35:13

Encryption Breaking

Time of First Successful Submission: 2024-08-03 04:53:16


DOS Dojo

8 / 10 46 / 122


cat.exe (type)

Time of First Successful Submission: 2025-12-17 11:38:40

ls.exe (dir)

Time of First Successful Submission: 2025-12-17 11:41:27

Changing Disks

Time of First Successful Submission: 2025-12-17 11:42:40

Reading Floppies

Time of First Successful Submission: 2025-12-17 11:47:20

Installing MS-DOS

Time of First Successful Submission: 2025-12-17 11:51:18

autoexec.bat

Time of First Successful Submission: 2025-12-17 11:55:02

doskey

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

Unprotected Memory

Time of First Successful Submission: 2025-12-17 12:51:02


DSU Cyber Camps

12 / 104 981 / 68240


Using the Terminal

Time of First Successful Submission: 2025-12-12 06:34:27

Using the VSCode Workspace

Time of First Successful Submission: 2024-07-04 02:14:53

Using the GUI Desktop

Time of First Successful Submission: 2024-07-04 02:15:41

Pasting into the Desktop

Time of First Successful Submission: 2024-07-04 02:18:28

Connecting over SSH

Time of First Successful Submission: 2025-12-12 06:37:34

Restarting Challenges

Time of First Successful Submission: 2024-07-04 02:21:03

Getting Help

Time of First Successful Submission: 2024-07-13 16:39:03

Challenge Programs

Time of First Successful Submission: 2024-07-04 02:21:59

The Flag File

Time of First Successful Submission: 2024-07-04 02:23:38

Using Privileged Mode

Time of First Successful Submission: 2024-07-04 02:26:43

Persistent Home Directories - One

Time of First Successful Submission: 2024-07-04 02:30:16

Persistent Home Directories - Two

Time of First Successful Submission: 2024-07-04 02:31:15


GCA CTF

12 / 104 981 / 68240


Using the Terminal

Time of First Successful Submission: 2025-12-12 06:34:27

Using the VSCode Workspace

Time of First Successful Submission: 2024-07-04 02:14:53

Using the GUI Desktop

Time of First Successful Submission: 2024-07-04 02:15:41

Pasting into the Desktop

Time of First Successful Submission: 2024-07-04 02:18:28

Connecting over SSH

Time of First Successful Submission: 2025-12-12 06:37:34

Restarting Challenges

Time of First Successful Submission: 2024-07-04 02:21:03

Getting Help

Time of First Successful Submission: 2024-07-13 16:39:03

Challenge Programs

Time of First Successful Submission: 2024-07-04 02:21:59

The Flag File

Time of First Successful Submission: 2024-07-04 02:23:38

Using Privileged Mode

Time of First Successful Submission: 2024-07-04 02:26:43

Persistent Home Directories - One

Time of First Successful Submission: 2024-07-04 02:30:16

Persistent Home Directories - Two

Time of First Successful Submission: 2024-07-04 02:31:15


Hacker History

8 / 8 59 / 188


External BBS (login)

Time of First Successful Submission: 2025-12-16 12:53:57

Internal BBS

Time of First Successful Submission: 2025-12-16 12:27:30

Join an IRC Server

Time of First Successful Submission: 2025-12-16 12:35:56

Join an IRC Server (with an IRC Client)

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

Change your nickname

Time of First Successful Submission: 2025-12-16 12:38:19

Join a channel

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

Message a channel

Time of First Successful Submission: 2025-12-16 12:42:03

Remove another user

Time of First Successful Submission: 2025-12-16 12:44:51


Pwndamentals

2 / 21 38 / 61


Return to Win

Time of First Successful Submission: 2026-09-19 18:53:31

Return to Shellcode

Time of First Successful Submission: 2026-09-19 19:20:08


Pwntools Tutorials

12 / 12 409 / 1451


Level 0.0

Time of First Successful Submission: 2024-07-19 05:24:06

Level 1.0

Time of First Successful Submission: 2024-07-19 06:11:42

Level 1.1

Time of First Successful Submission: 2024-07-19 06:45:41

Level 2.0

Time of First Successful Submission: 2024-07-19 07:00:39

Level 2.1

Time of First Successful Submission: 2024-07-19 07:11:30

Level 2.2

Time of First Successful Submission: 2024-07-19 07:29:24

Level 2.3

Time of First Successful Submission: 2024-07-19 07:42:51

Level 2.4

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

Level 2.5

Time of First Successful Submission: 2024-07-19 07:58:34

Level 2.6

Time of First Successful Submission: 2024-07-19 08:08:27

Level 3.0

Time of First Successful Submission: 2026-08-22 19:32:23

Level 4.0

Time of First Successful Submission: 2026-08-22 22:33:11


The House Always Wins

1 / 9 93 / 140


Level1

Time of First Successful Submission: 2024-08-11 21:39:15