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level1

Time of First Successful Submission: 2024-05-06 10:32:33

level2

Time of First Successful Submission: 2024-05-06 10:33:01

level3

Time of First Successful Submission: 2024-05-06 10:33:55

level4

Time of First Successful Submission: 2024-05-07 18:30:46

level5

Time of First Successful Submission: 2024-05-07 18:32:03

level6

Time of First Successful Submission: 2024-05-07 18:33:31

level7

Time of First Successful Submission: 2024-05-07 18:43:23

level8

Time of First Successful Submission: 2024-05-07 18:45:40

level9

Time of First Successful Submission: 2024-05-07 18:47:06

level10

Time of First Successful Submission: 2024-05-07 18:51:52

level11

Time of First Successful Submission: 2024-05-09 20:48:20

level12

Time of First Successful Submission: 2024-05-09 20:50:01

level13

Time of First Successful Submission: 2024-05-09 20:52:49

level14

Time of First Successful Submission: 2024-05-09 20:54:39

level22

Time of First Successful Submission: 2024-05-09 20:59:30

level23

Time of First Successful Submission: 2024-05-09 21:08:59

level24

Time of First Successful Submission: 2024-05-09 21:24:57

level25

Time of First Successful Submission: 2024-05-09 21:29:48

level26

Time of First Successful Submission: 2024-05-09 21:54:56

level27

Time of First Successful Submission: 2024-05-09 22:00:55

level28

Time of First Successful Submission: 2024-05-09 22:04:44

level29

Time of First Successful Submission: 2024-05-09 22:46:38

level30

Time of First Successful Submission: 2024-05-09 22:52:49

level31

Time of First Successful Submission: 2024-05-09 23:03:15

level32

Time of First Successful Submission: 2024-05-09 23:06:34

level33

Time of First Successful Submission: 2024-05-19 18:25:30

level34

Time of First Successful Submission: 2024-05-19 18:40:24

level35

Time of First Successful Submission: 2024-05-19 18:42:55

HTTP (curl)

Time of First Successful Submission: 2023-08-29 06:53:17

HTTP (python)

Time of First Successful Submission: 2023-08-30 21:02:17

URL Encoding (curl)

Time of First Successful Submission: 2023-08-30 23:41:56

URL Encoding (python)

Time of First Successful Submission: 2023-08-30 23:52:27

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2023-08-31 07:05:54

HTTP GET Parameters (python)

Time of First Successful Submission: 2023-08-31 07:08:19

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2023-08-31 08:13:43

Multiple Form Fields (python)

Time of First Successful Submission: 2023-08-31 22:55:40

HTTP JSON (curl)

Time of First Successful Submission: 2023-09-01 01:11:36

HTTP JSON (netcat)

Time of First Successful Submission: 2023-09-01 01:22:39

HTTP JSON (python)

Time of First Successful Submission: 2023-09-01 01:27:02

Complex HTTP JSON (curl)

Time of First Successful Submission: 2023-09-01 01:36:33

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2023-09-01 01:58:30

Complex HTTP JSON (python)

Time of First Successful Submission: 2023-09-01 02:02:47

Server State (curl)

Time of First Successful Submission: 2023-09-01 22:12:11

Server State (netcat)

Time of First Successful Submission: 2023-09-01 22:27:23

Silenced Shellcode

Time of First Successful Submission: 2024-08-29 21:01:20

Shellcode Shuffle

Time of First Successful Submission: 2024-08-30 02:58:14

Shellcode Shuffle II

Time of First Successful Submission: 2024-08-30 03:33:25

Mmap Mirage (Easy)

Time of First Successful Submission: 2024-12-14 01:52:35

Mmap Mirage (Hard)

Time of First Successful Submission: 2024-12-14 01:56:09

Twisted Text (Easy)

Time of First Successful Submission: 2023-09-29 18:44:23

Twisted Text (Hard)

Time of First Successful Submission: 2023-09-29 18:52:15

Tidy Task (Easy)

Time of First Successful Submission: 2023-09-29 21:43:54

Tidy Task (Hard)

Time of First Successful Submission: 2023-09-29 21:47:11

Logical License (Easy)

Time of First Successful Submission: 2023-09-29 21:55:45

Logical License (Hard)

Time of First Successful Submission: 2023-10-02 17:54:32

Modest Mangler (Easy)

Time of First Successful Submission: 2023-10-02 23:23:09

Modest Mangler (Hard)

Time of First Successful Submission: 2023-10-10 01:23:47

This is Yancode (Easy)

Time of First Successful Submission: 2024-09-04 17:52:43

This is Yancode (Hard)

Time of First Successful Submission: 2024-09-04 17:56:23

Powered by Yancode (Easy)

Time of First Successful Submission: 2024-09-04 17:18:55

Powered by Yancode (Hard)

Time of First Successful Submission: 2024-09-04 18:00:56

Yancode Inside (Easy)

Time of First Successful Submission: 2024-09-04 18:12:17

Yancode Inside (Hard)

Time of First Successful Submission: 2024-09-04 18:20:26

Triple Dereference

Time of First Successful Submission: 2025-08-31 09:35:23


ACSAC CTFs

1 / 21 44 / 229


Waʻa

Time of First Successful Submission: 2024-12-26 19:54:47


Intro to Programming Languages

15 / 234 3712 / 31404


Commands

Time of First Successful Submission: 2024-08-23 17:23:47

Command Arguments

Time of First Successful Submission: 2024-08-23 17:24:45

Command History

Time of First Successful Submission: 2025-08-29 08:23:21

The Root Path

Time of First Successful Submission: 2024-08-23 17:25:47

Absolute Paths

Time of First Successful Submission: 2024-08-23 17:26:39

Changing position

Time of First Successful Submission: 2024-08-23 17:28:58

Changing to an Absolute Path

Time of First Successful Submission: 2024-09-05 21:23:01

Relative Paths

Time of First Successful Submission: 2024-09-05 21:25:40

Cat

Time of First Successful Submission: 2024-09-05 21:37:50

Ls

Time of First Successful Submission: 2024-09-05 22:10:10

Ls All

Time of First Successful Submission: 2024-09-05 22:13:36

Find

Time of First Successful Submission: 2024-09-05 22:21:35

Piping Echo

Time of First Successful Submission: 2025-08-27 17:15:15

Piping Stdout

Time of First Successful Submission: 2025-08-27 17:16:07

Piping Stdin

Time of First Successful Submission: 2025-08-27 17:18:56


Intro to Cybersecurity

119 / 183 1447 / 19799


Path Traversal 1

Time of First Successful Submission: 2023-11-08 17:38:23

Path Traversal 2

Time of First Successful Submission: 2024-09-25 21:09:37

CMDi 1

Time of First Successful Submission: 2024-09-25 21:12:03

CMDi 2

Time of First Successful Submission: 2024-09-25 21:13:51

CMDi 3

Time of First Successful Submission: 2024-09-25 21:15:20

CMDi 4

Time of First Successful Submission: 2023-11-08 18:06:49

CMDi 5

Time of First Successful Submission: 2024-09-25 21:17:27

CMDi 6

Time of First Successful Submission: 2024-09-25 21:29:52

Authentication Bypass 1

Time of First Successful Submission: 2023-11-08 18:20:22

Authentication Bypass 2

Time of First Successful Submission: 2024-09-25 21:34:29

SQLi 1

Time of First Successful Submission: 2024-09-25 21:50:36

SQLi 2

Time of First Successful Submission: 2023-11-08 18:27:28

SQLi 3

Time of First Successful Submission: 2023-11-08 18:41:01

SQLi 4

Time of First Successful Submission: 2023-11-08 20:31:29

SQLi 5

Time of First Successful Submission: 2023-11-10 19:02:16

XSS 1

Time of First Successful Submission: 2024-09-25 21:53:16

XSS 2

Time of First Successful Submission: 2024-09-25 22:02:32

XSS 3

Time of First Successful Submission: 2023-11-16 19:31:43

XSS 4

Time of First Successful Submission: 2023-11-16 19:37:15

XSS 5

Time of First Successful Submission: 2023-11-16 20:58:35

XSS 6

Time of First Successful Submission: 2024-09-15 05:50:30

XSS 7

Time of First Successful Submission: 2024-09-25 22:09:58

CSRF 1

Time of First Successful Submission: 2023-11-16 22:26:23

CSRF 2

Time of First Successful Submission: 2023-11-16 22:46:13

CSRF 4

Time of First Successful Submission: 2023-12-05 21:00:24

CSRF 5

Time of First Successful Submission: 2023-12-05 21:12:21

Connect

Time of First Successful Submission: 2023-10-11 23:52:24

Send

Time of First Successful Submission: 2025-05-20 01:43:06

Shutdown

Time of First Successful Submission: 2025-05-20 01:44:59

Listen

Time of First Successful Submission: 2023-10-12 00:11:45

Scan 1

Time of First Successful Submission: 2023-10-12 03:14:46

Scan 2

Time of First Successful Submission: 2023-10-13 06:42:41

Monitor 1

Time of First Successful Submission: 2023-10-13 06:59:50

Monitor 2

Time of First Successful Submission: 2023-10-13 07:45:41

Network Configuration

Time of First Successful Submission: 2023-10-13 07:59:00

Ethernet

Time of First Successful Submission: 2023-10-13 08:35:51

IP

Time of First Successful Submission: 2023-10-13 21:11:23

TCP

Time of First Successful Submission: 2023-10-13 21:21:50

TCP Handshake

Time of First Successful Submission: 2023-10-14 02:14:57

ARP

Time of First Successful Submission: 2023-10-14 02:58:51

Intercept

Time of First Successful Submission: 2023-10-14 03:08:44

Man-in-the-Middle

Time of First Successful Submission: 2023-10-25 06:10:21

XOR

Time of First Successful Submission: 2024-10-28 18:16:32

XORing Hex

Time of First Successful Submission: 2024-10-28 18:58:09

XORing ASCII

Time of First Successful Submission: 2024-10-28 19:16:51

XORing ASCII Strings

Time of First Successful Submission: 2024-10-28 19:22:58

One-time Pad

Time of First Successful Submission: 2023-10-31 23:07:10

One-time Pad Tampering

Time of First Successful Submission: 2025-09-04 17:13:47

Many-time Pad

Time of First Successful Submission: 2023-11-02 17:00:31

AES

Time of First Successful Submission: 2023-11-02 17:09:43

AES-ECB-CPA

Time of First Successful Submission: 2024-10-28 19:35:13

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-08-31 21:02:53

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2024-10-28 20:36:16

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2024-10-28 20:43:10

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2024-10-28 21:37:15

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2024-10-28 22:16:09

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2023-11-03 00:08:10

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2024-10-28 22:59:00

AES-CBC

Time of First Successful Submission: 2024-10-28 23:05:48

AES-CBC Tampering

Time of First Successful Submission: 2024-10-29 00:36:58

AES-CBC Resizing

Time of First Successful Submission: 2024-10-29 02:29:51

DHKE

Time of First Successful Submission: 2023-11-03 00:32:46

DHKE-to-AES

Time of First Successful Submission: 2025-09-04 17:36:07

RSA 1

Time of First Successful Submission: 2023-11-07 16:18:30

RSA 2

Time of First Successful Submission: 2023-11-07 17:38:18

RSA 3

Time of First Successful Submission: 2023-11-07 19:23:04

RSA 4

Time of First Successful Submission: 2023-11-07 20:08:27

SHA 1

Time of First Successful Submission: 2023-11-07 18:43:11

SHA 2

Time of First Successful Submission: 2023-11-07 18:58:47

TLS 1

Time of First Successful Submission: 2023-11-07 22:10:47

level1

Time of First Successful Submission: 2023-11-09 02:53:39

level2

Time of First Successful Submission: 2023-11-09 02:58:54

level3

Time of First Successful Submission: 2023-11-09 03:02:16

level4

Time of First Successful Submission: 2023-11-09 03:03:36

level5

Time of First Successful Submission: 2023-11-09 03:12:33

level6

Time of First Successful Submission: 2023-11-09 19:59:14

level7

Time of First Successful Submission: 2023-11-09 20:01:09

level8

Time of First Successful Submission: 2023-11-09 20:04:16

level9

Time of First Successful Submission: 2023-11-09 20:05:23

level10

Time of First Successful Submission: 2023-11-09 20:36:31

level11

Time of First Successful Submission: 2023-11-09 23:05:19

level12

Time of First Successful Submission: 2023-11-09 23:06:02

level13

Time of First Successful Submission: 2023-11-09 23:20:57

level14

Time of First Successful Submission: 2023-11-09 23:24:13

level15

Time of First Successful Submission: 2023-11-09 23:26:12

level16

Time of First Successful Submission: 2023-11-09 23:29:21

level17

Time of First Successful Submission: 2023-11-10 08:04:30

level18

Time of First Successful Submission: 2023-11-10 08:13:46

level19

Time of First Successful Submission: 2023-11-10 08:22:21

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2024-12-15 20:31:39

Reading Endianness (x86)

Time of First Successful Submission: 2024-12-15 20:37:48

Version Information (x86)

Time of First Successful Submission: 2024-12-15 20:44:57

Metadata and Data (x86)

Time of First Successful Submission: 2024-12-15 21:27:21

Input Restrictions (x86)

Time of First Successful Submission: 2024-12-15 21:38:18

Behold the cIMG! (x86)

Time of First Successful Submission: 2024-12-15 21:48:08

A Basic cIMG (x86)

Time of First Successful Submission: 2024-12-15 22:16:03

Internal State (x86)

Time of First Successful Submission: 2024-12-17 21:54:19

File Formats: Directives (x86)

Time of First Successful Submission: 2024-12-18 00:02:35

Your First Overflow (easy)

Time of First Successful Submission: 2023-12-11 00:58:01

Your First Overflow (hard)

Time of First Successful Submission: 2023-12-11 01:40:20

Precision (easy)

Time of First Successful Submission: 2024-12-16 18:33:25

Precision (hard)

Time of First Successful Submission: 2024-12-16 18:36:05

Variable Control (easy)

Time of First Successful Submission: 2023-12-11 02:41:23

Variable Control (hard)

Time of First Successful Submission: 2024-12-16 19:07:14

Control Hijack (easy)

Time of First Successful Submission: 2023-12-11 04:47:34

Control Hijack (hard)

Time of First Successful Submission: 2024-12-16 19:12:01

Tricky Control Hijack (easy)

Time of First Successful Submission: 2023-12-11 04:57:00

Tricky Control Hijack (hard)

Time of First Successful Submission: 2024-12-16 19:15:47

PIEs (easy)

Time of First Successful Submission: 2024-12-16 19:19:59

PIEs (hard)

Time of First Successful Submission: 2024-12-16 19:22:35

String Lengths (easy)

Time of First Successful Submission: 2024-12-16 19:26:27

String Lengths (hard)

Time of First Successful Submission: 2024-12-16 19:45:10

Basic Shellcode

Time of First Successful Submission: 2023-12-10 23:27:57

NOP Sleds

Time of First Successful Submission: 2023-12-10 23:38:00

NULL-Free Shellcode

Time of First Successful Submission: 2023-12-11 00:49:06

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2024-10-21 18:39:31

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2024-10-21 19:09:37

Hijack to Shellcode (easy)

Time of First Successful Submission: 2024-10-21 19:17:15

Hijack to Shellcode (hard)

Time of First Successful Submission: 2024-10-21 20:01:59


Program Security

117 / 162 526 / 9463


ello ackers!

Time of First Successful Submission: 2024-08-29 16:46:20

Syscall Smuggler

Time of First Successful Submission: 2024-08-29 19:27:13

Syscall Shenanigans

Time of First Successful Submission: 2024-08-29 19:32:11

Byte Budget

Time of First Successful Submission: 2024-08-29 23:06:06

ClobberCode

Time of First Successful Submission: 2024-08-30 01:54:07

Diverse Delivery

Time of First Successful Submission: 2024-08-30 03:52:38

Pocket Payload

Time of First Successful Submission: 2024-08-30 04:26:01

Micro Menace

Time of First Successful Submission: 2024-08-30 23:43:05

Login Leakage (Easy)

Time of First Successful Submission: 2025-08-27 00:02:19

Login Leakage (Hard)

Time of First Successful Submission: 2025-08-27 00:07:01

Bounds Breaker (Easy)

Time of First Successful Submission: 2024-09-01 00:31:46

Bounds Breaker (Hard)

Time of First Successful Submission: 2024-09-01 23:56:00

Casting Catastrophe (Easy)

Time of First Successful Submission: 2024-09-02 07:04:57

Casting Catastrophe (Hard)

Time of First Successful Submission: 2024-09-02 07:23:31

Pointer Problems (Easy)

Time of First Successful Submission: 2025-09-04 21:06:20

Pointer Problems (Hard)

Time of First Successful Submission: 2025-09-04 22:10:34

Loop Lunacy (Easy)

Time of First Successful Submission: 2024-09-03 03:10:19

Loop Lunacy (Hard)

Time of First Successful Submission: 2024-12-14 09:08:02

Nosy Neighbor (Easy)

Time of First Successful Submission: 2024-12-14 01:41:03

Nosy Neighbor (Hard)

Time of First Successful Submission: 2024-12-14 01:43:34

Recursive Ruin (Easy)

Time of First Successful Submission: 2024-12-14 07:11:40

Recursive Ruin (Hard)

Time of First Successful Submission: 2024-12-14 07:15:51

Lingering Leftover (Easy)

Time of First Successful Submission: 2024-12-14 07:32:53

Lingering Leftover (Hard)

Time of First Successful Submission: 2024-12-14 07:34:15

Latent Leak (Easy)

Time of First Successful Submission: 2024-12-14 08:34:31

Latent Leak (Hard)

Time of First Successful Submission: 2024-12-14 08:39:34

Canary Conundrum (Easy)

Time of First Successful Submission: 2024-10-22 01:51:49

Canary Conundrum (Hard)

Time of First Successful Submission: 2024-10-22 03:36:04

A Crafty Clobber (Easy)

Time of First Successful Submission: 2024-10-22 04:20:33

A Crafty Clobber (Hard)

Time of First Successful Submission: 2024-10-22 04:38:59

Terrible Token (Easy)

Time of First Successful Submission: 2023-09-29 07:04:15

Terrible Token (Hard)

Time of First Successful Submission: 2023-09-29 07:26:43

Tangled Ticket (Easy)

Time of First Successful Submission: 2023-09-29 07:58:10

Tangled Ticket (Hard)

Time of First Successful Submission: 2023-09-29 17:35:06

Meager Mangler (Easy)

Time of First Successful Submission: 2023-10-02 18:00:40

Meager Mangler (Hard)

Time of First Successful Submission: 2023-10-02 18:17:14

Monstrous Mangler (Easy)

Time of First Successful Submission: 2023-10-10 05:09:07

Monstrous Mangler (Hard)

Time of First Successful Submission: 2023-10-10 18:30:21

Patched Up (Easy)

Time of First Successful Submission: 2023-10-11 01:33:40

Patched Up (Hard)

Time of First Successful Submission: 2023-10-11 02:17:35

Puzzle Patch (Easy)

Time of First Successful Submission: 2023-10-11 02:37:38

Puzzle Patch (Hard)

Time of First Successful Submission: 2023-10-11 02:41:04

Patch Perfect (Easy)

Time of First Successful Submission: 2023-10-11 02:46:42

Patch Perfect (Hard)

Time of First Successful Submission: 2023-10-11 03:04:38

Trust the Yancode (Easy)

Time of First Successful Submission: 2024-09-04 18:43:46

Trust the Yancode (Hard)

Time of First Successful Submission: 2024-09-04 18:50:56

Know the Yancode (Easy)

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

Know the Yancode (Hard)

Time of First Successful Submission: 2024-09-04 19:09:37

Master the Yancode (Easy)

Time of First Successful Submission: 2024-09-05 16:28:01

Master the Yancode (Hard)

Time of First Successful Submission: 2024-09-05 16:40:36

Transcend the Yancode (Easy)

Time of First Successful Submission: 2024-09-05 16:54:56

Transcend the Yancode (Hard)

Time of First Successful Submission: 2024-09-05 17:06:43

The Yanalyzer (Easy)

Time of First Successful Submission: 2024-09-13 06:51:16

Loose Link (Easy)

Time of First Successful Submission: 2024-09-17 16:18:46

Loose Link (Hard)

Time of First Successful Submission: 2024-09-17 16:28:41

Call Chain (Easy)

Time of First Successful Submission: 2024-09-17 16:34:02

Call Chain (Hard)

Time of First Successful Submission: 2024-09-17 16:36:46

Chain of Command (Easy)

Time of First Successful Submission: 2024-09-17 19:42:09

Chain of Command (Hard)

Time of First Successful Submission: 2024-09-17 19:46:36

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2024-09-18 08:01:16

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2024-09-18 08:05:08

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2024-09-18 08:23:50

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2024-09-18 08:29:48

Indirect Invocation (Easy)

Time of First Successful Submission: 2024-09-19 20:37:10

Indirect Invocation (Hard)

Time of First Successful Submission: 2024-09-19 20:42:30

Leaky Libc (Easy)

Time of First Successful Submission: 2024-09-19 20:47:03

Leaky Libc (Hard)

Time of First Successful Submission: 2024-09-19 20:58:56

Putsception (Easy)

Time of First Successful Submission: 2024-09-19 21:02:21

Putsception (Hard)

Time of First Successful Submission: 2024-09-19 21:05:05

Pivotal Prelude (Easy)

Time of First Successful Submission: 2024-09-22 05:26:49

Pivotal Prelude (Hard)

Time of First Successful Submission: 2024-09-22 05:35:10

Pivotal Pointer (Easy)

Time of First Successful Submission: 2024-09-23 22:19:26

Pivotal Pointer (Hard)

Time of First Successful Submission: 2024-09-23 22:25:52

Pivotal Payload (Easy)

Time of First Successful Submission: 2024-09-23 22:48:30

Pivotal Payload (Hard)

Time of First Successful Submission: 2024-09-23 22:54:42

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2024-09-25 19:15:19

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2024-09-25 19:48:38

Freebie (Easy)

Time of First Successful Submission: 2024-10-03 01:10:40

Freebie (Hard)

Time of First Successful Submission: 2024-10-03 02:07:54

Freebin Feint (Easy)

Time of First Successful Submission: 2024-10-03 02:09:48

Freebin Feint (Hard)

Time of First Successful Submission: 2024-10-03 02:10:48

Free Flag Fumble (Easy)

Time of First Successful Submission: 2024-10-03 02:12:32

Free Flag Fumble (Hard)

Time of First Successful Submission: 2024-10-03 02:21:50

Fickle Free (Easy)

Time of First Successful Submission: 2024-10-03 02:58:58

Fickle Free (Hard)

Time of First Successful Submission: 2024-10-03 03:02:51

Malloc Mirage (Easy)

Time of First Successful Submission: 2024-10-04 00:13:05

Malloc Mirage (Hard)

Time of First Successful Submission: 2024-10-04 00:15:04

Seeking Secrets (Easy)

Time of First Successful Submission: 2024-10-04 18:00:05

Seeking Secrets (Hard)

Time of First Successful Submission: 2024-10-04 18:07:47

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2024-10-04 18:19:47

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2024-10-04 18:22:40

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2024-10-04 18:37:26

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2024-10-04 18:41:53

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2024-10-04 19:14:09

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2024-10-04 19:16:47

Sus Sequence (Easy)

Time of First Successful Submission: 2024-10-04 21:49:05

Sus Sequence (Hard)

Time of First Successful Submission: 2024-10-04 22:10:25

Echo Emanations (Easy)

Time of First Successful Submission: 2024-10-07 17:57:58

Echo Emanations (Hard)

Time of First Successful Submission: 2024-10-07 18:07:35

Stack Spoofing (Easy)

Time of First Successful Submission: 2024-10-14 05:57:13

Stack Spoofing (Hard)

Time of First Successful Submission: 2024-10-14 06:02:07

Stack Summoning (Easy)

Time of First Successful Submission: 2024-10-14 06:31:39

Stack Summoning (Hard)

Time of First Successful Submission: 2024-10-14 06:36:12

Enterprising Echo (Easy)

Time of First Successful Submission: 2024-10-15 05:51:04

Enterprising Echo (Hard)

Time of First Successful Submission: 2024-10-15 06:17:07

Containment Composition (Easy)

Time of First Successful Submission: 2024-10-22 05:18:09

Containment Composition (Hard)

Time of First Successful Submission: 2024-10-22 05:40:49

Constant Corruption (Easy)

Time of First Successful Submission: 2024-10-22 06:23:44

Constant Corruption (Hard)

Time of First Successful Submission: 2024-10-22 22:15:55

Return to YanLand (Easy)

Time of First Successful Submission: 2024-10-27 22:52:56

Return to YanLand (Hard)

Time of First Successful Submission: 2024-10-27 23:20:01

Escape from YanLand (Easy)

Time of First Successful Submission: 2024-10-28 00:46:48

Escape from YanLand (Hard)

Time of First Successful Submission: 2024-10-28 00:55:13

The YanFilter (Easy)

Time of First Successful Submission: 2024-10-28 06:51:27

The YanFilter (Hard)

Time of First Successful Submission: 2024-10-28 06:55:50

The Great YanFilter (Easy)

Time of First Successful Submission: 2024-10-28 10:02:08

The Great YanFilter (Hard)

Time of First Successful Submission: 2024-10-28 10:07:17


System Security

56 / 95 595 / 3308


chroot-escape-basic

Time of First Successful Submission: 2024-11-06 19:34:08

chroot-shellcode

Time of First Successful Submission: 2024-11-06 19:53:24

chroot-proper

Time of First Successful Submission: 2024-11-06 20:47:55

seccomp-basic

Time of First Successful Submission: 2024-11-06 20:58:23

seccomp-linkat

Time of First Successful Submission: 2024-11-06 21:19:24

seccomp-fchdir

Time of First Successful Submission: 2024-11-06 21:21:15

seccomp-rechroot

Time of First Successful Submission: 2024-11-06 22:43:00

seccomp-only

Time of First Successful Submission: 2024-11-06 22:56:56

seccomp-arch32

Time of First Successful Submission: 2024-11-06 23:27:32

seccomp-minimal

Time of First Successful Submission: 2024-11-06 23:47:41

seccomp-timebased

Time of First Successful Submission: 2024-11-07 01:48:51

seccomp-readonly

Time of First Successful Submission: 2024-11-07 02:54:38

process-isolation

Time of First Successful Submission: 2024-11-07 18:09:39

mount-namespace

Time of First Successful Submission: 2024-11-08 22:27:03

mount-cleanup

Time of First Successful Submission: 2024-11-08 23:14:10

mount-readonly

Time of First Successful Submission: 2024-11-08 23:34:47

mount-shellcode

Time of First Successful Submission: 2024-11-08 23:47:03

mount-bindmount

Time of First Successful Submission: 2024-11-11 21:09:42

level1.0

Time of First Successful Submission: 2024-10-29 07:43:36

level1.1

Time of First Successful Submission: 2024-10-29 08:21:06

level2.0

Time of First Successful Submission: 2024-10-29 08:34:56

level2.1

Time of First Successful Submission: 2024-10-29 19:37:07

level3.0

Time of First Successful Submission: 2024-10-30 07:43:37

level3.1

Time of First Successful Submission: 2024-10-30 07:44:48

level4.0

Time of First Successful Submission: 2024-10-30 19:26:44

level4.1

Time of First Successful Submission: 2024-10-31 18:16:34

level5.0

Time of First Successful Submission: 2024-11-01 18:44:48

level6.0

Time of First Successful Submission: 2024-11-04 07:17:51

level7.0

Time of First Successful Submission: 2024-11-04 07:27:44

level7.1

Time of First Successful Submission: 2024-11-04 07:34:10

level8.0

Time of First Successful Submission: 2024-11-04 07:47:54

level9.0

Time of First Successful Submission: 2024-11-04 20:58:39

level9.1

Time of First Successful Submission: 2024-11-04 21:15:17

level1.0

Time of First Successful Submission: 2024-11-16 00:07:27

level1.1

Time of First Successful Submission: 2024-11-16 00:09:26

level2.0

Time of First Successful Submission: 2024-11-16 00:11:50

level2.1

Time of First Successful Submission: 2024-11-16 00:13:04

level3.0

Time of First Successful Submission: 2024-11-16 00:15:23

level3.1

Time of First Successful Submission: 2024-11-16 00:16:45

level4.0

Time of First Successful Submission: 2024-11-16 00:41:41

level4.1

Time of First Successful Submission: 2024-11-16 00:54:09

level5.0

Time of First Successful Submission: 2024-11-16 04:33:47

level5.1

Time of First Successful Submission: 2024-11-16 04:36:45

level6.0

Time of First Successful Submission: 2024-11-16 05:23:35

level6.1

Time of First Successful Submission: 2024-11-16 05:27:36

level7.0

Time of First Successful Submission: 2024-11-17 20:55:41

level7.1

Time of First Successful Submission: 2024-11-17 20:57:36

level8.0

Time of First Successful Submission: 2024-11-18 22:49:01

level8.1

Time of First Successful Submission: 2024-11-18 23:00:23

level9.0

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

level9.1

Time of First Successful Submission: 2024-11-19 00:47:44

Baby Spectre 1

Time of First Successful Submission: 2024-11-21 18:34:50

Baby Spectre 2

Time of First Successful Submission: 2024-11-21 18:45:14

Baby Spectre 3

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

Baby Spectre 4

Time of First Successful Submission: 2024-11-21 20:34:50

Baby Spectre 5

Time of First Successful Submission: 2024-11-21 21:55:23


Start Here

11 / 12 3512 / 42571


Using the Terminal

Time of First Successful Submission: 2025-08-29 08:24:52

Using the VSCode Workspace

Time of First Successful Submission: 2024-05-19 20:08:52

Using the GUI Desktop

Time of First Successful Submission: 2024-05-19 20:09:45

Pasting into the Desktop

Time of First Successful Submission: 2024-05-19 20:10:30

Restarting Challenges

Time of First Successful Submission: 2024-08-23 17:31:25

Challenge Programs

Time of First Successful Submission: 2024-05-19 20:13:06

The Flag File

Time of First Successful Submission: 2024-05-19 20:13:34

Using Privileged Mode

Time of First Successful Submission: 2024-05-19 20:15:04

Persistent Home Directories - One

Time of First Successful Submission: 2024-05-19 20:16:21

Persistent Home Directories - Two

Time of First Successful Submission: 2024-05-19 20:16:47


Linux Luminarium

128 / 128 1206 / 31805


Intro to Commands

Time of First Successful Submission: 2024-08-23 17:23:47

Intro to Arguments

Time of First Successful Submission: 2024-08-23 17:24:45

Command History

Time of First Successful Submission: 2025-08-29 08:23:21

The Root

Time of First Successful Submission: 2024-08-23 17:25:47

Program and absolute paths

Time of First Successful Submission: 2024-08-23 17:26:39

Position thy self

Time of First Successful Submission: 2024-08-23 17:28:58

Position elsewhere

Time of First Successful Submission: 2024-09-05 21:23:01

implicit relative paths, from /

Time of First Successful Submission: 2024-09-05 21:25:40

explicit relative paths, from /

Time of First Successful Submission: 2024-09-05 21:31:36

implicit relative path

Time of First Successful Submission: 2024-09-05 21:33:13

home sweet home

Time of First Successful Submission: 2024-09-05 21:36:59

cat: not the pet, but the command!

Time of First Successful Submission: 2024-09-05 21:37:50

catting absolute paths

Time of First Successful Submission: 2024-09-05 21:38:48

more catting practice

Time of First Successful Submission: 2024-09-05 21:49:04

grepping for a needle in a haystack

Time of First Successful Submission: 2024-09-05 21:51:49

comparing files

Time of First Successful Submission: 2025-08-27 16:48:35

listing files

Time of First Successful Submission: 2024-09-05 22:10:10

touching files

Time of First Successful Submission: 2024-09-05 22:11:29

removing files

Time of First Successful Submission: 2024-09-05 22:12:45

moving files

Time of First Successful Submission: 2025-08-27 16:49:18

copying files

Time of First Successful Submission: 2026-01-07 23:53:38

hidden files

Time of First Successful Submission: 2024-09-05 22:13:36

An Epic Filesystem Quest

Time of First Successful Submission: 2024-09-05 22:17:25

making directories

Time of First Successful Submission: 2024-09-05 22:19:57

finding files

Time of First Successful Submission: 2024-09-05 22:21:35

linking files

Time of First Successful Submission: 2024-09-05 22:37:05

Learning From Documentation

Time of First Successful Submission: 2025-08-27 16:50:35

Learning Complex Usage

Time of First Successful Submission: 2025-08-27 16:50:59

Reading Manuals

Time of First Successful Submission: 2025-08-27 16:52:07

Searching Manuals

Time of First Successful Submission: 2025-08-27 16:56:14

Searching For Manuals

Time of First Successful Submission: 2025-08-27 16:58:40

Helpful Programs

Time of First Successful Submission: 2025-08-27 17:01:44

Help for Builtins

Time of First Successful Submission: 2025-08-27 17:02:53

Matching with *

Time of First Successful Submission: 2025-08-27 17:03:39

Matching with ?

Time of First Successful Submission: 2025-08-27 17:04:18

Matching with []

Time of First Successful Submission: 2025-08-27 17:05:16

Matching paths with []

Time of First Successful Submission: 2025-08-27 17:06:17

Multiple globs

Time of First Successful Submission: 2025-08-27 17:07:00

Mixing globs

Time of First Successful Submission: 2025-08-27 17:09:08

Exclusionary globbing

Time of First Successful Submission: 2025-08-27 17:09:54

Tab completion

Time of First Successful Submission: 2025-08-27 17:12:30

Multiple options for tab completion

Time of First Successful Submission: 2025-08-27 17:14:03

Tab completion on commands

Time of First Successful Submission: 2025-08-27 17:14:25

Redirecting output

Time of First Successful Submission: 2025-08-27 17:15:15

Redirecting more output

Time of First Successful Submission: 2025-08-27 17:16:07

Appending output

Time of First Successful Submission: 2025-08-27 17:16:47

Redirecting errors

Time of First Successful Submission: 2025-08-27 17:17:23

Redirecting input

Time of First Successful Submission: 2025-08-27 17:18:56

Grepping stored results

Time of First Successful Submission: 2025-08-27 17:19:48

Grepping live output

Time of First Successful Submission: 2025-08-27 17:20:14

Grepping errors

Time of First Successful Submission: 2025-08-27 17:24:08

Filtering with grep -v

Time of First Successful Submission: 2025-08-27 17:25:16

Filtering with sed

Time of First Successful Submission: 2026-01-07 23:52:38

Duplicating piped data with tee

Time of First Successful Submission: 2025-08-27 17:28:41

Process substitution for input

Time of First Successful Submission: 2025-08-27 17:30:35

Writing to multiple programs

Time of First Successful Submission: 2025-08-27 17:33:09

Split-piping stderr and stdout

Time of First Successful Submission: 2025-08-27 18:45:03

Named pipes

Time of First Successful Submission: 2025-08-27 18:46:28

Printing Variables

Time of First Successful Submission: 2025-08-27 18:48:44

Setting Variables

Time of First Successful Submission: 2025-08-27 18:49:05

Multi-word Variables

Time of First Successful Submission: 2025-08-27 18:49:28

Exporting Variables

Time of First Successful Submission: 2025-08-27 18:50:24

Printing Exported Variables

Time of First Successful Submission: 2025-08-27 18:51:04

Storing Command Output

Time of First Successful Submission: 2025-08-27 18:51:46

Reading Input

Time of First Successful Submission: 2025-08-27 18:52:58

Reading Files

Time of First Successful Submission: 2025-08-27 18:54:10

Translating characters

Time of First Successful Submission: 2025-08-27 19:01:27

Deleting characters

Time of First Successful Submission: 2025-08-27 19:02:04

Deleting newlines

Time of First Successful Submission: 2025-08-27 19:02:37

Extracting the first lines with head

Time of First Successful Submission: 2025-08-27 19:03:02

Extracting specific sections of text

Time of First Successful Submission: 2025-08-27 19:05:40

Sorting data

Time of First Successful Submission: 2025-08-27 19:06:42

Listing Processes

Time of First Successful Submission: 2025-08-27 22:00:01

Killing Processes

Time of First Successful Submission: 2025-08-27 22:00:43

Interrupting Processes

Time of First Successful Submission: 2025-08-27 22:49:39

Killing Misbehaving Processes

Time of First Successful Submission: 2025-08-27 22:51:29

Suspending Processes

Time of First Successful Submission: 2025-08-27 22:52:11

Resuming Processes

Time of First Successful Submission: 2025-08-27 22:53:06

Backgrounding Processes

Time of First Successful Submission: 2025-08-27 22:54:06

Foregrounding Processes

Time of First Successful Submission: 2025-08-27 22:57:09

Starting Backgrounded Processes

Time of First Successful Submission: 2025-08-27 22:59:47

Process Exit Codes

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

Becoming root with su

Time of First Successful Submission: 2025-08-27 23:09:25

Other users with su

Time of First Successful Submission: 2025-08-27 23:09:52

Cracking passwords

Time of First Successful Submission: 2025-08-27 23:12:18

Using sudo

Time of First Successful Submission: 2025-08-27 23:13:35

Changing File Ownership

Time of First Successful Submission: 2025-08-29 06:47:11

Groups and Files

Time of First Successful Submission: 2025-08-29 06:47:33

Fun With Groups Names

Time of First Successful Submission: 2025-08-29 06:48:15

Changing Permissions

Time of First Successful Submission: 2025-08-29 06:48:48

Executable Files

Time of First Successful Submission: 2025-08-29 06:49:24

Permission Tweaking Practice

Time of First Successful Submission: 2025-08-29 06:52:09

Permissions Setting Practice

Time of First Successful Submission: 2025-08-29 06:55:44

The SUID Bit

Time of First Successful Submission: 2025-08-29 06:56:44

Chaining with Semicolons

Time of First Successful Submission: 2025-08-29 06:57:11

Building on Success

Time of First Successful Submission: 2025-08-29 06:58:05

Handling Failure

Time of First Successful Submission: 2025-08-29 06:58:41

Your First Shell Script

Time of First Successful Submission: 2025-08-29 07:00:05

Redirecting Script Output

Time of First Successful Submission: 2025-08-29 07:02:15

Executable Shell Scripts

Time of First Successful Submission: 2025-08-29 07:04:28

Understanding Shebangs

Time of First Successful Submission: 2025-08-29 07:06:45

Scripting with Arguments

Time of First Successful Submission: 2025-08-29 07:07:54

Scripting with Conditionals

Time of First Successful Submission: 2025-08-29 07:08:44

Scripting with Default Cases

Time of First Successful Submission: 2025-08-29 07:09:33

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-08-29 07:18:22

Reading Shell Scripts

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

Launching Screen

Time of First Successful Submission: 2025-08-29 07:20:17

Detaching and Attaching

Time of First Successful Submission: 2025-08-29 07:21:14

Finding Sessions

Time of First Successful Submission: 2025-08-29 07:22:45

Switching Windows

Time of First Successful Submission: 2025-08-29 07:23:49

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-08-29 07:24:16

Switching Windows (tmux)

Time of First Successful Submission: 2025-08-29 07:24:37

The PATH Variable

Time of First Successful Submission: 2025-08-29 07:26:58

Setting PATH

Time of First Successful Submission: 2025-08-29 07:30:08

Finding Commands

Time of First Successful Submission: 2025-08-29 07:31:34

Adding Commands

Time of First Successful Submission: 2025-08-29 07:36:16

Hijacking Commands

Time of First Successful Submission: 2025-08-29 07:38:09

Bashrc Backdoor

Time of First Successful Submission: 2025-08-29 07:40:01

Sniffing Input

Time of First Successful Submission: 2025-08-29 07:50:26

Overshared Directories

Time of First Successful Submission: 2025-08-29 07:57:24

Tricky Linking

Time of First Successful Submission: 2025-08-29 08:02:02

Sniffing Process Arguments

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

Snooping on Configurations

Time of First Successful Submission: 2025-08-29 08:05:49

The Fork Bomb

Time of First Successful Submission: 2025-08-27 23:20:08

Disk-Space Doomsday

Time of First Successful Submission: 2025-08-29 08:07:45

rm -rf /

Time of First Successful Submission: 2025-08-29 08:09:58

Life after rm -rf /

Time of First Successful Submission: 2025-08-29 08:19:00

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-08-29 08:22:29


Computing 101

68 / 94 1581 / 21281


Your First Register

Time of First Successful Submission: 2025-08-31 09:22:13

Your First Syscall

Time of First Successful Submission: 2025-08-31 09:22:35

Exit Codes

Time of First Successful Submission: 2025-08-31 09:23:06

Building Executables

Time of First Successful Submission: 2025-08-31 09:26:49

Moving Between Registers

Time of First Successful Submission: 2025-08-31 09:27:27

Loading From Memory

Time of First Successful Submission: 2025-08-31 09:30:43

More Loading Practice

Time of First Successful Submission: 2025-08-31 09:31:09

Dereferencing Pointers

Time of First Successful Submission: 2025-08-31 09:32:01

Dereferencing Yourself

Time of First Successful Submission: 2025-08-31 09:33:04

Dereferencing with Offsets

Time of First Successful Submission: 2025-08-31 09:33:40

Stored Addresses

Time of First Successful Submission: 2024-10-22 19:31:30

Double Dereference

Time of First Successful Submission: 2025-08-31 09:34:48

Tracing Syscalls

Time of First Successful Submission: 2025-08-31 09:28:21

Starting GDB

Time of First Successful Submission: 2025-08-31 09:28:46

Starting Programs in GDB

Time of First Successful Submission: 2025-08-31 09:29:21

Writing Output

Time of First Successful Submission: 2025-08-31 09:37:35

Chaining Syscalls

Time of First Successful Submission: 2025-08-31 09:38:21

Writing Strings

Time of First Successful Submission: 2025-08-31 09:38:45

Reading Data

Time of First Successful Submission: 2025-08-31 09:39:39

set-register

Time of First Successful Submission: 2023-09-07 22:07:07

set-multiple-registers

Time of First Successful Submission: 2025-08-31 09:41:17

add-to-register

Time of First Successful Submission: 2023-09-07 22:08:26

linear-equation-registers

Time of First Successful Submission: 2023-09-07 22:21:45

integer-division

Time of First Successful Submission: 2023-09-07 23:00:18

modulo-operation

Time of First Successful Submission: 2023-09-07 23:06:24

set-upper-byte

Time of First Successful Submission: 2025-08-31 09:42:15

efficient-modulo

Time of First Successful Submission: 2023-09-08 18:31:40

byte-extraction

Time of First Successful Submission: 2023-09-08 18:47:55

bitwise-and

Time of First Successful Submission: 2023-09-08 18:52:15

check-even

Time of First Successful Submission: 2023-09-08 19:05:34

memory-read

Time of First Successful Submission: 2025-08-31 09:43:01

memory-write

Time of First Successful Submission: 2025-08-31 09:43:39

memory-increment

Time of First Successful Submission: 2023-09-08 19:10:26

byte-access

Time of First Successful Submission: 2025-08-31 09:44:08

memory-size-access

Time of First Successful Submission: 2023-09-08 19:20:59

little-endian-write

Time of First Successful Submission: 2023-09-08 19:24:29

memory-sum

Time of First Successful Submission: 2023-09-08 19:52:58

stack-subtraction

Time of First Successful Submission: 2023-09-08 20:01:56

swap-stack-values

Time of First Successful Submission: 2023-09-08 20:16:26

average-stack-values

Time of First Successful Submission: 2023-09-12 18:56:41

absolute-jump

Time of First Successful Submission: 2025-08-31 09:44:48

relative-jump

Time of First Successful Submission: 2025-08-31 09:48:43

jump-trampoline

Time of First Successful Submission: 2023-09-12 19:20:50

conditional-jump

Time of First Successful Submission: 2023-09-12 20:47:24

indirect-jump

Time of First Successful Submission: 2023-09-12 21:03:33

average-loop

Time of First Successful Submission: 2023-09-12 21:12:16

count-non-zero

Time of First Successful Submission: 2023-09-12 21:19:37

string-lower

Time of First Successful Submission: 2023-09-13 08:07:41

most-common-byte

Time of First Successful Submission: 2025-09-02 03:00:27

Exit

Time of First Successful Submission: 2023-09-20 20:42:05

Socket

Time of First Successful Submission: 2023-09-20 21:19:52

Bind

Time of First Successful Submission: 2023-09-20 21:36:38

Listen

Time of First Successful Submission: 2023-09-20 21:44:40

Accept

Time of First Successful Submission: 2023-09-20 21:48:06

Static Response

Time of First Successful Submission: 2023-09-21 20:19:12

Dynamic Response

Time of First Successful Submission: 2023-09-21 21:21:52

Iterative GET Server

Time of First Successful Submission: 2023-09-21 21:26:00

Concurrent GET Server

Time of First Successful Submission: 2023-09-21 21:55:25

Concurrent POST Server

Time of First Successful Submission: 2023-09-26 09:28:49

Web Server

Time of First Successful Submission: 2023-09-26 10:36:21

Debugging Programs

Time of First Successful Submission: 2023-09-26 17:28:10

Inspecting Registers

Time of First Successful Submission: 2023-09-26 17:30:15

Examining Memory

Time of First Successful Submission: 2023-09-26 18:18:56

Setting Breakpoints

Time of First Successful Submission: 2023-09-26 21:47:22

GDB Scripting

Time of First Successful Submission: 2023-09-28 23:14:36

Modifying Data

Time of First Successful Submission: 2023-09-28 23:23:40

Modifying Execution

Time of First Successful Submission: 2023-09-28 23:24:59

Broken Functions

Time of First Successful Submission: 2023-09-29 04:33:39


Playing With Programs

116 / 116 340 / 23225


What's the password?

Time of First Successful Submission: 2025-05-11 09:55:25

... and again!

Time of First Successful Submission: 2025-08-29 16:18:40

Newline Troubles

Time of First Successful Submission: 2025-08-29 16:20:11

Reasoning about files

Time of First Successful Submission: 2025-08-29 16:25:10

Specifying Filenames

Time of First Successful Submission: 2025-08-29 16:25:48

Binary and Hex Encoding

Time of First Successful Submission: 2025-08-29 16:30:35

More Hex

Time of First Successful Submission: 2025-08-29 16:33:52

Decoding Hex

Time of First Successful Submission: 2025-08-29 16:34:54

Decoding Practice

Time of First Successful Submission: 2025-08-29 16:49:55

Encoding Practice

Time of First Successful Submission: 2025-08-29 17:09:56

Hex-encoding ASCII

Time of First Successful Submission: 2025-08-29 17:18:56

Nested Encoding

Time of First Successful Submission: 2025-08-29 17:32:21

Hex-encoding UTF-8

Time of First Successful Submission: 2025-08-29 17:42:49

UTF Mixups

Time of First Successful Submission: 2025-08-29 17:46:35

Modifying Encoded Data

Time of First Successful Submission: 2025-08-29 17:56:45

Decoding Base64

Time of First Successful Submission: 2023-10-31 22:10:07

Encoding Base64

Time of First Successful Submission: 2025-08-29 17:58:16

Dealing with Obfuscation

Time of First Successful Submission: 2025-08-29 18:04:50

Dealing with Obfuscation 2

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

Your First HTTP Request

Time of First Successful Submission: 2025-08-29 18:10:18

Reading Flask

Time of First Successful Submission: 2025-08-29 18:12:07

Commented Data

Time of First Successful Submission: 2025-08-29 18:13:55

HTTP Metadata

Time of First Successful Submission: 2025-08-29 18:15:54

HTTP (netcat)

Time of First Successful Submission: 2023-08-30 20:43:07

HTTP Paths (netcat)

Time of First Successful Submission: 2023-08-30 21:26:53

HTTP (curl)

Time of First Successful Submission: 2023-08-30 21:22:57

HTTP (python)

Time of First Successful Submission: 2023-08-30 21:30:22

HTTP Host Header (python)

Time of First Successful Submission: 2023-08-30 21:16:47

HTTP Host Header (curl)

Time of First Successful Submission: 2023-08-30 21:06:08

HTTP Host Header (netcat)

Time of First Successful Submission: 2023-08-30 21:13:31

URL Encoding (netcat)

Time of First Successful Submission: 2023-08-31 00:15:25

HTTP GET Parameters

Time of First Successful Submission: 2023-08-31 06:55:20

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2023-08-31 07:47:25

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2023-08-31 07:27:44

HTTP Forms

Time of First Successful Submission: 2025-08-29 18:17:51

HTTP Forms (curl)

Time of First Successful Submission: 2023-08-31 16:12:18

HTTP Forms (netcat)

Time of First Successful Submission: 2023-08-31 22:30:54

HTTP Forms (python)

Time of First Successful Submission: 2023-08-31 22:37:16

HTTP Forms Without Forms

Time of First Successful Submission: 2025-08-29 18:35:24

Multiple Form Fields (curl)

Time of First Successful Submission: 2023-08-31 22:40:03

Multiple Form Fields (netcat)

Time of First Successful Submission: 2023-08-31 22:51:59

HTTP Redirects (netcat)

Time of First Successful Submission: 2023-09-01 02:16:11

HTTP Redirects (curl)

Time of First Successful Submission: 2023-09-01 02:06:24

HTTP Redirects (python)

Time of First Successful Submission: 2023-09-01 02:18:38

HTTP Cookies (curl)

Time of First Successful Submission: 2023-09-01 05:06:28

HTTP Cookies (netcat)

Time of First Successful Submission: 2023-09-01 21:50:25

HTTP Cookies (python)

Time of First Successful Submission: 2023-09-01 21:53:17

Server State (python)

Time of First Successful Submission: 2023-09-01 22:28:43

Listening Web

Time of First Successful Submission: 2025-08-29 18:36:23

Speaking Redirects

Time of First Successful Submission: 2025-08-31 08:10:14

JavaScript Redirects

Time of First Successful Submission: 2025-08-31 08:13:36

Including JavaScript

Time of First Successful Submission: 2025-08-31 08:39:58

HTTP (javascript)

Time of First Successful Submission: 2025-08-31 08:44:31

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-08-31 08:46:07

HTTP Forms (javascript)

Time of First Successful Submission: 2025-08-31 08:53:08

cat

Time of First Successful Submission: 2024-05-05 08:03:30

more

Time of First Successful Submission: 2024-05-05 08:04:01

less

Time of First Successful Submission: 2024-05-05 08:04:28

tail

Time of First Successful Submission: 2024-05-05 08:04:48

head

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

sort

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

vim

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

emacs

Time of First Successful Submission: 2024-05-05 08:06:00

nano

Time of First Successful Submission: 2024-05-05 08:06:17

rev

Time of First Successful Submission: 2024-05-05 08:06:47

od

Time of First Successful Submission: 2024-05-05 08:12:29

hd

Time of First Successful Submission: 2024-05-05 08:13:16

xxd

Time of First Successful Submission: 2024-05-05 08:13:47

base32

Time of First Successful Submission: 2024-05-05 08:14:31

base64

Time of First Successful Submission: 2024-05-05 08:14:58

split

Time of First Successful Submission: 2024-05-05 08:16:40

gzip

Time of First Successful Submission: 2024-05-05 08:20:14

bzip2

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

zip

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

tar

Time of First Successful Submission: 2024-05-05 17:11:27

ar

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

cpio

Time of First Successful Submission: 2024-05-06 08:12:43

genisoimage

Time of First Successful Submission: 2024-05-06 08:19:57

env

Time of First Successful Submission: 2024-05-06 08:20:44

find

Time of First Successful Submission: 2024-05-06 08:21:27

make

Time of First Successful Submission: 2024-05-06 08:22:37

nice

Time of First Successful Submission: 2024-05-06 08:23:11

timeout

Time of First Successful Submission: 2024-05-06 08:23:45

stdbuf

Time of First Successful Submission: 2024-05-06 08:24:25

setarch

Time of First Successful Submission: 2024-05-06 08:25:02

watch

Time of First Successful Submission: 2024-05-06 08:26:15

socat

Time of First Successful Submission: 2024-05-06 08:27:10

whiptail

Time of First Successful Submission: 2024-05-06 08:32:34

awk

Time of First Successful Submission: 2024-05-06 08:33:06

sed

Time of First Successful Submission: 2024-05-06 09:18:29

ed

Time of First Successful Submission: 2024-05-06 09:20:07

chown

Time of First Successful Submission: 2024-05-06 09:20:54

chmod

Time of First Successful Submission: 2024-05-06 09:21:38

cp

Time of First Successful Submission: 2024-05-06 09:22:13

mv

Time of First Successful Submission: 2024-05-06 09:54:28

perl

Time of First Successful Submission: 2024-05-06 09:55:02

python

Time of First Successful Submission: 2024-05-06 09:55:34

ruby

Time of First Successful Submission: 2024-05-06 09:58:51

bash

Time of First Successful Submission: 2024-05-06 10:01:18

date

Time of First Successful Submission: 2024-05-06 10:01:44

dmesg

Time of First Successful Submission: 2024-05-06 10:02:12

wc

Time of First Successful Submission: 2024-05-06 10:02:50

gcc

Time of First Successful Submission: 2024-05-06 10:03:30

as

Time of First Successful Submission: 2024-05-06 10:03:53

wget

Time of First Successful Submission: 2024-05-06 10:18:02

ssh-keygen

Time of First Successful Submission: 2024-05-06 10:31:08

SQL Queries

Time of First Successful Submission: 2025-08-31 08:55:44

Filtering SQL

Time of First Successful Submission: 2025-08-31 08:58:07

Choosing Columns

Time of First Successful Submission: 2025-08-31 08:59:09

Exclusionary Filtering

Time of First Successful Submission: 2025-08-31 09:00:19

Filtering Strings

Time of First Successful Submission: 2025-08-31 09:01:12

Filtering on Expressions

Time of First Successful Submission: 2025-08-31 09:03:04

SELECTing Expressions

Time of First Successful Submission: 2025-08-31 09:13:44

Composite Conditions

Time of First Successful Submission: 2025-08-31 09:15:46

Reaching Your LIMITs

Time of First Successful Submission: 2025-08-31 09:17:44

Querying Metadata

Time of First Successful Submission: 2025-08-31 09:20:31


GCA CTF

11 / 104 3708 / 42848


Using the Terminal

Time of First Successful Submission: 2025-08-29 08:24:52

Using the VSCode Workspace

Time of First Successful Submission: 2024-05-19 20:08:52

Using the GUI Desktop

Time of First Successful Submission: 2024-05-19 20:09:45

Pasting into the Desktop

Time of First Successful Submission: 2024-05-19 20:10:30

Restarting Challenges

Time of First Successful Submission: 2024-08-23 17:31:25

Getting Help

Time of First Successful Submission: 2024-08-23 17:32:50

Challenge Programs

Time of First Successful Submission: 2024-05-19 20:13:06

The Flag File

Time of First Successful Submission: 2024-05-19 20:13:34

Using Privileged Mode

Time of First Successful Submission: 2024-05-19 20:15:04

Persistent Home Directories - One

Time of First Successful Submission: 2024-05-19 20:16:21

Persistent Home Directories - Two

Time of First Successful Submission: 2024-05-19 20:16:47


Hanto Dojo

8 / 44 56 / 314


Evaluating Is Fun!

Time of First Successful Submission: 2025-04-03 18:24:37

Variables Are Fun!

Time of First Successful Submission: 2025-04-03 18:29:25

Functions Are Fun!

Time of First Successful Submission: 2025-04-03 18:30:42

Printing Is Fun!

Time of First Successful Submission: 2025-04-03 18:32:13

Opening Is Fun!

Time of First Successful Submission: 2025-04-03 18:33:37

Globals Are Fun!

Time of First Successful Submission: 2025-04-03 18:43:58

Modules Are Fun!

Time of First Successful Submission: 2025-04-03 18:46:37

Importing Is Fun!

Time of First Successful Submission: 2025-04-03 18:50:26


Honors Dojo

6 / 11 44 / 95



Honors Dojo

6 / 17 44 / 95



Honors Dojo

6 / 17 44 / 95


Join an IRC Server

Time of First Successful Submission: 2025-04-03 17:52:18

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2025-04-03 17:54:15

Change your nickname

Time of First Successful Submission: 2025-04-03 18:00:37

Join a channel

Time of First Successful Submission: 2025-04-03 18:01:57

Message a channel

Time of First Successful Submission: 2025-04-03 18:05:22

Remove another user

Time of First Successful Submission: 2025-04-03 18:12:55