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1 / 201 15905 / 16678

HTTP (curl)

Time of First Successful Submission: 2024-07-13 16:58:20

ARM Architecture

13 / 28 314 / 623

Level1

Time of First Successful Submission: 2025-10-29 03:54:29

Level2

Time of First Successful Submission: 2025-10-29 03:58:36

Level3

Time of First Successful Submission: 2025-10-29 04:01:50

Level4

Time of First Successful Submission: 2025-10-29 04:08:40

Level5

Time of First Successful Submission: 2025-10-29 04:14:39

Level6

Time of First Successful Submission: 2025-10-29 04:23:44

Level7

Time of First Successful Submission: 2025-10-29 04:29:00

Level8

Time of First Successful Submission: 2025-10-29 04:35:12

Level9

Time of First Successful Submission: 2025-10-29 04:37:40

Level10

Time of First Successful Submission: 2025-10-29 04:40:42

Level11

Time of First Successful Submission: 2025-10-29 15:56:37

Level12

Time of First Successful Submission: 2025-10-29 16:01:38

Level13

Time of First Successful Submission: 2025-10-29 23:19:42

Intro to Programming Languages

20 / 234 605 / 28124

Lecture 1.1. Course Environment

Time of First Successful Submission: 2025-09-25 04:44:25

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2025-09-25 04:45:10

Lecture 1.2. Linux Shells

Time of First Successful Submission: 2025-11-28 03:52:10

Lab 1.5.2 - Using ls and cd

Time of First Successful Submission: 2025-11-28 03:54:49

Lab 1.5.3 - Using grep

Time of First Successful Submission: 2025-11-28 03:56:22

Commands

Time of First Successful Submission: 2025-08-31 06:12:17

Command Arguments

Time of First Successful Submission: 2025-08-31 06:12:31

Command History

Time of First Successful Submission: 2025-08-31 06:12:46

The Root Path

Time of First Successful Submission: 2025-08-31 06:13:17

Absolute Paths

Time of First Successful Submission: 2025-08-31 06:14:08

Changing position

Time of First Successful Submission: 2025-08-31 06:14:30

Changing to an Absolute Path

Time of First Successful Submission: 2025-08-31 06:15:12

Relative Paths

Time of First Successful Submission: 2025-08-31 06:17:25

Cat

Time of First Successful Submission: 2025-09-11 05:30:18

Ls

Time of First Successful Submission: 2025-09-11 05:33:13

Ls All

Time of First Successful Submission: 2025-09-11 05:35:19

Find

Time of First Successful Submission: 2025-09-11 05:45:23

Piping Echo

Time of First Successful Submission: 2025-09-15 04:41:39

Piping Stdout

Time of First Successful Submission: 2025-09-15 04:43:20

Piping Stdin

Time of First Successful Submission: 2025-09-15 04:47:49

XNU Dojo

13 / 61 320 / 638

Level1

Time of First Successful Submission: 2025-10-29 03:54:29

Level2

Time of First Successful Submission: 2025-10-29 03:58:36

Level3

Time of First Successful Submission: 2025-10-29 04:01:50

Level4

Time of First Successful Submission: 2025-10-29 04:08:40

Level5

Time of First Successful Submission: 2025-10-29 04:14:39

Level6

Time of First Successful Submission: 2025-10-29 04:23:44

Level7

Time of First Successful Submission: 2025-10-29 04:29:00

Level8

Time of First Successful Submission: 2025-10-29 04:35:12

Level9

Time of First Successful Submission: 2025-10-29 04:37:40

Level10

Time of First Successful Submission: 2025-10-29 04:40:42

Level11

Time of First Successful Submission: 2025-10-29 15:56:37

Level12

Time of First Successful Submission: 2025-10-29 16:01:38

Level13

Time of First Successful Submission: 2025-10-29 23:19:42

Intro to Cybersecurity

183 / 183 111 / 17893

Path Traversal 1

Time of First Successful Submission: 2025-09-23 00:00:37

Path Traversal 2

Time of First Successful Submission: 2025-09-23 01:39:50

CMDi 1

Time of First Successful Submission: 2025-09-23 01:51:47

CMDi 2

Time of First Successful Submission: 2025-09-23 01:54:07

CMDi 3

Time of First Successful Submission: 2025-09-23 02:10:12

CMDi 4

Time of First Successful Submission: 2025-09-23 02:17:35

CMDi 5

Time of First Successful Submission: 2025-09-23 02:29:00

CMDi 6

Time of First Successful Submission: 2025-09-23 02:31:17

Authentication Bypass 1

Time of First Successful Submission: 2025-09-23 04:10:59

Authentication Bypass 2

Time of First Successful Submission: 2025-09-23 04:12:36

SQLi 1

Time of First Successful Submission: 2025-09-23 04:14:46

SQLi 2

Time of First Successful Submission: 2025-09-23 04:17:51

SQLi 3

Time of First Successful Submission: 2025-09-23 22:42:14

SQLi 4

Time of First Successful Submission: 2025-09-23 22:49:03

SQLi 5

Time of First Successful Submission: 2025-09-26 20:16:08

XSS 1

Time of First Successful Submission: 2025-09-23 22:55:14

XSS 2

Time of First Successful Submission: 2025-09-23 22:57:13

XSS 3

Time of First Successful Submission: 2025-09-23 23:01:31

XSS 4

Time of First Successful Submission: 2025-09-24 00:42:40

XSS 5

Time of First Successful Submission: 2025-09-27 03:29:53

XSS 6

Time of First Successful Submission: 2025-09-27 03:35:37

XSS 7

Time of First Successful Submission: 2025-09-27 04:42:46

CSRF 1

Time of First Successful Submission: 2025-09-27 02:54:29

CSRF 2

Time of First Successful Submission: 2025-09-27 03:02:58

CSRF 3

Time of First Successful Submission: 2025-09-27 03:15:19

CSRF 4

Time of First Successful Submission: 2025-09-27 04:48:26

CSRF 5

Time of First Successful Submission: 2025-09-30 04:52:38

Connect

Time of First Successful Submission: 2025-09-23 04:19:05

Send

Time of First Successful Submission: 2025-09-23 04:21:03

Shutdown

Time of First Successful Submission: 2025-09-23 04:23:40

Listen

Time of First Successful Submission: 2025-09-23 04:24:07

Scan 1

Time of First Successful Submission: 2025-09-23 04:31:07

Scan 2

Time of First Successful Submission: 2025-09-24 04:22:47

Monitor 1

Time of First Successful Submission: 2025-09-24 20:13:05

Monitor 2

Time of First Successful Submission: 2025-09-24 20:29:19

Sniffing Cookies

Time of First Successful Submission: 2025-10-04 00:35:03

Network Configuration

Time of First Successful Submission: 2025-09-24 04:28:38

Firewall 1

Time of First Successful Submission: 2025-09-24 04:29:50

Firewall 2

Time of First Successful Submission: 2025-09-24 04:31:58

Firewall 3

Time of First Successful Submission: 2025-09-24 04:33:43

Denial of Service 1

Time of First Successful Submission: 2025-09-25 04:53:33

Denial of Service 2

Time of First Successful Submission: 2025-09-25 04:58:46

Denial of Service 3

Time of First Successful Submission: 2025-10-09 01:28:55

Ethernet

Time of First Successful Submission: 2025-09-24 17:44:23

IP

Time of First Successful Submission: 2025-09-24 18:06:16

TCP

Time of First Successful Submission: 2025-09-24 18:07:52

TCP Handshake

Time of First Successful Submission: 2025-09-24 18:12:25

UDP

Time of First Successful Submission: 2025-10-01 05:32:25

UDP 2

Time of First Successful Submission: 2025-10-01 05:35:19

UDP Spoofing 1

Time of First Successful Submission: 2025-10-01 05:39:38

UDP Spoofing 2

Time of First Successful Submission: 2025-10-01 05:47:52

UDP Spoofing 3

Time of First Successful Submission: 2025-10-09 01:09:11

UDP Spoofing 4

Time of First Successful Submission: 2025-10-09 01:18:33

ARP

Time of First Successful Submission: 2025-10-01 05:51:36

Intercept

Time of First Successful Submission: 2025-10-09 02:00:02

Man-in-the-Middle

Time of First Successful Submission: 2025-11-14 23:46:56

XOR

Time of First Successful Submission: 2025-09-24 04:36:19

XORing Hex

Time of First Successful Submission: 2025-09-24 04:40:17

XORing ASCII

Time of First Successful Submission: 2025-09-25 03:29:10

XORing ASCII Strings

Time of First Successful Submission: 2025-09-25 04:00:24

One-time Pad

Time of First Successful Submission: 2025-09-26 04:57:45

One-time Pad Tampering

Time of First Successful Submission: 2025-10-02 01:34:09

Many-time Pad

Time of First Successful Submission: 2025-10-09 02:11:23

AES

Time of First Successful Submission: 2025-10-03 06:10:04

AES-ECB-CPA

Time of First Successful Submission: 2025-10-08 00:24:58

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-10-11 01:04:05

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-10-11 01:12:09

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-10-14 00:09:18

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-10-14 02:40:57

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-10-14 02:45:17

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-10-30 01:00:16

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-11-08 02:13:10

AES-CBC

Time of First Successful Submission: 2025-10-11 01:18:02

AES-CBC Tampering

Time of First Successful Submission: 2025-11-07 20:30:42

AES-CBC Resizing

Time of First Successful Submission: 2025-11-07 20:56:54

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-11-10 05:08:45

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-10 05:18:25

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-11-10 05:29:08

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-10 05:34:56

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-10 05:38:56

DHKE

Time of First Successful Submission: 2025-11-07 20:00:26

DHKE-to-AES

Time of First Successful Submission: 2025-11-07 20:06:57

RSA 1

Time of First Successful Submission: 2025-10-13 21:44:56

RSA 2

Time of First Successful Submission: 2025-10-13 21:59:50

RSA 3

Time of First Successful Submission: 2025-10-13 22:24:15

RSA 4

Time of First Successful Submission: 2025-10-13 22:37:05

RSA Signatures

Time of First Successful Submission: 2025-11-14 02:03:46

SHA 1

Time of First Successful Submission: 2025-10-13 21:04:22

SHA 2

Time of First Successful Submission: 2025-10-13 21:17:37

TLS 1

Time of First Successful Submission: 2025-10-13 22:49:40

TLS 2

Time of First Successful Submission: 2025-11-08 03:09:01

level1

Time of First Successful Submission: 2025-09-24 01:05:30

level2

Time of First Successful Submission: 2025-09-24 01:13:22

level3

Time of First Successful Submission: 2025-09-24 01:13:55

level4

Time of First Successful Submission: 2025-09-24 01:14:25

level5

Time of First Successful Submission: 2025-09-24 01:18:19

level6

Time of First Successful Submission: 2025-09-24 01:19:23

level7

Time of First Successful Submission: 2025-09-24 01:19:54

level8

Time of First Successful Submission: 2025-09-24 01:22:23

level9

Time of First Successful Submission: 2025-09-24 01:23:08

level10

Time of First Successful Submission: 2025-09-24 01:25:54

level11

Time of First Successful Submission: 2025-09-24 01:32:58

level12

Time of First Successful Submission: 2025-09-24 01:35:17

level13

Time of First Successful Submission: 2025-09-24 01:36:00

level14

Time of First Successful Submission: 2025-09-24 01:37:04

level15

Time of First Successful Submission: 2025-09-24 01:38:22

level16

Time of First Successful Submission: 2025-09-24 01:48:29

level17

Time of First Successful Submission: 2025-09-24 03:09:21

level18

Time of First Successful Submission: 2025-09-24 03:10:09

level19

Time of First Successful Submission: 2025-09-24 03:32:33

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-09-24 21:19:20

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-09-24 21:23:49

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-09-24 21:32:13

Reading Endianness (Python)

Time of First Successful Submission: 2025-09-24 21:37:29

Reading Endianness (C)

Time of First Successful Submission: 2025-09-24 21:43:29

Reading Endianness (x86)

Time of First Successful Submission: 2025-09-24 21:47:25

Version Information (Python)

Time of First Successful Submission: 2025-09-24 21:57:42

Version Information (C)

Time of First Successful Submission: 2025-09-24 22:01:27

Version Information (x86)

Time of First Successful Submission: 2025-09-25 02:20:32

Metadata and Data (Python)

Time of First Successful Submission: 2025-09-24 22:32:26

Metadata and Data (C)

Time of First Successful Submission: 2025-09-24 22:36:56

Metadata and Data (x86)

Time of First Successful Submission: 2025-09-24 23:35:18

Input Restrictions (Python)

Time of First Successful Submission: 2025-09-24 23:39:29

Input Restrictions (C)

Time of First Successful Submission: 2025-09-24 23:44:14

Input Restrictions (x86)

Time of First Successful Submission: 2025-09-24 23:53:41

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-09-25 00:06:33

Behold the cIMG! (C)

Time of First Successful Submission: 2025-09-25 00:09:07

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-10-12 06:52:28

A Basic cIMG (Python)

Time of First Successful Submission: 2025-09-25 01:01:21

A Basic cIMG (C)

Time of First Successful Submission: 2025-09-25 01:04:47

A Basic cIMG (x86)

Time of First Successful Submission: 2025-09-25 01:25:19

Internal State Mini (C)

Time of First Successful Submission: 2025-10-12 07:01:17

Internal State Mini (x86)

Time of First Successful Submission: 2025-11-13 23:33:36

Internal State (C)

Time of First Successful Submission: 2025-11-14 01:54:27

Internal State (x86)

Time of First Successful Submission: 2025-11-14 03:18:21

File Formats: Directives (C)

Time of First Successful Submission: 2025-11-14 03:40:42

File Formats: Directives (x86)

Time of First Successful Submission: 2025-11-14 03:52:18

The Patch Directive

Time of First Successful Submission: 2025-11-14 21:07:55

Optimizing for Space

Time of First Successful Submission: 2025-11-15 02:07:47

Tweaking Images

Time of First Successful Submission: 2025-11-14 18:25:18

Storage and Retrieval

Time of First Successful Submission: 2025-11-15 05:30:17

Extracting Knowledge

Time of First Successful Submission: 2025-11-14 21:17:30

Advanced Sprites

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

Accessing Resources

Time of First Successful Submission: 2025-11-14 18:32:30

Unsafe Animations

Time of First Successful Submission: 2025-11-14 18:48:44

Animations

Time of First Successful Submission: 2025-11-15 02:13:29

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-14 22:27:06

Patching Code

Time of First Successful Submission: 2025-11-14 22:48:51

Patching Control Flow

Time of First Successful Submission: 2025-11-14 23:18:30

Your First Overflow (easy)

Time of First Successful Submission: 2025-09-06 19:34:25

Your First Overflow (hard)

Time of First Successful Submission: 2025-09-06 19:38:36

Precision (easy)

Time of First Successful Submission: 2025-09-06 19:42:50

Precision (hard)

Time of First Successful Submission: 2025-09-06 20:10:12

Variable Control (easy)

Time of First Successful Submission: 2025-09-06 20:50:57

Variable Control (hard)

Time of First Successful Submission: 2025-09-06 21:00:09

Control Hijack (easy)

Time of First Successful Submission: 2025-09-06 21:34:39

Control Hijack (hard)

Time of First Successful Submission: 2025-09-07 06:05:43

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-09-07 06:19:39

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-09-07 06:55:03

PIEs (easy)

Time of First Successful Submission: 2025-09-08 16:51:25

PIEs (hard)

Time of First Successful Submission: 2025-09-09 17:11:58

String Lengths (easy)

Time of First Successful Submission: 2025-09-21 05:24:34

String Lengths (hard)

Time of First Successful Submission: 2025-09-30 16:30:37

Basic Shellcode

Time of First Successful Submission: 2025-09-30 17:09:23

NOP Sleds

Time of First Successful Submission: 2025-09-30 18:42:25

NULL-Free Shellcode

Time of First Successful Submission: 2025-10-01 03:50:44

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-10-01 04:35:49

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-10-01 04:37:58

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-10-01 04:48:21

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-10-13 19:36:49

ECB-to-Win (easy)

Time of First Successful Submission: 2025-11-14 05:03:51

ECB-to-Win (hard)

Time of First Successful Submission: 2025-11-14 05:09:01

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-11-19 20:26:53

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-12-04 18:24:11

CIMG Screenshots

Time of First Successful Submission: 2025-12-24 00:17:11

CIMG Screenshots 2

Time of First Successful Submission: 2025-11-23 06:08:06

Wily Webserver

Time of First Successful Submission: 2025-12-16 21:12:03

The Watering Hole

Time of First Successful Submission: 2025-12-18 05:23:46

Secure Chat 1

Time of First Successful Submission: 2025-11-20 17:55:13

Secure Chat 2

Time of First Successful Submission: 2025-11-23 03:17:57

Secure Chat 3

Time of First Successful Submission: 2025-11-28 07:22:32

Secure Chat 4

Time of First Successful Submission: 2025-11-28 22:00:09

Secure Chat 5

Time of First Successful Submission: 2025-11-29 00:09:09

Program Security

31 / 162 2063 / 9030

ello ackers!

Time of First Successful Submission: 2025-11-19 23:25:30

Syscall Smuggler

Time of First Successful Submission: 2025-11-19 23:28:05

Syscall Shenanigans

Time of First Successful Submission: 2025-12-27 21:51:04

Byte Budget

Time of First Successful Submission: 2025-12-27 21:53:30

Diverse Delivery

Time of First Successful Submission: 2025-12-27 22:33:51

Pocket Payload

Time of First Successful Submission: 2025-12-27 22:42:11

Micro Menace

Time of First Successful Submission: 2025-12-27 22:55:08

Login Leakage (Easy)

Time of First Successful Submission: 2025-12-28 01:22:24

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-12-28 01:34:14

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-12-28 01:35:59

Terrible Token (Easy)

Time of First Successful Submission: 2025-09-20 07:19:09

Terrible Token (Hard)

Time of First Successful Submission: 2025-09-20 07:21:21

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-09-20 07:29:41

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-09-20 07:33:47

Bit Bender

Time of First Successful Submission: 2025-09-30 04:07:26

Loose Link (Easy)

Time of First Successful Submission: 2025-10-05 20:10:15

Loose Link (Hard)

Time of First Successful Submission: 2025-10-05 20:20:01

Call Chain (Easy)

Time of First Successful Submission: 2025-10-05 20:26:22

Call Chain (Hard)

Time of First Successful Submission: 2025-10-05 21:45:50

Chain of Command (Easy)

Time of First Successful Submission: 2025-10-06 21:03:35

Chain of Command (Hard)

Time of First Successful Submission: 2025-10-06 21:07:49

Freebie (Easy)

Time of First Successful Submission: 2025-11-19 19:29:24

Freebie (Hard)

Time of First Successful Submission: 2025-11-19 19:37:17

Freebin Feint (Easy)

Time of First Successful Submission: 2025-11-19 19:38:45

Freebin Feint (Hard)

Time of First Successful Submission: 2025-11-19 19:47:20

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-11-19 19:53:00

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-11-19 19:56:36

Fickle Free (Easy)

Time of First Successful Submission: 2025-11-19 19:58:51

Fickle Free (Hard)

Time of First Successful Submission: 2025-11-20 05:29:02

Malloc Mirage (Easy)

Time of First Successful Submission: 2025-11-20 05:30:13

Malloc Mirage (Hard)

Time of First Successful Submission: 2025-11-20 05:33:47

System Security

2 / 95 2697 / 3184

chroot-escape-basic

Time of First Successful Submission: 2025-11-08 20:14:15

chroot-shellcode

Time of First Successful Submission: 2025-11-08 20:29:21

Start Here

11 / 12 2662 / 38363

Using the Terminal

Time of First Successful Submission: 2025-08-31 06:07:49

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-29 04:30:25

Using the GUI Desktop

Time of First Successful Submission: 2024-01-29 04:32:12

Pasting into the Desktop

Time of First Successful Submission: 2024-01-29 04:33:46

Restarting Challenges

Time of First Successful Submission: 2025-08-31 06:09:07

Challenge Programs

Time of First Successful Submission: 2025-08-31 06:11:04

The Flag File

Time of First Successful Submission: 2024-01-29 04:36:13

Using Privileged Mode

Time of First Successful Submission: 2024-01-29 04:39:10

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-29 04:41:07

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-29 04:41:45

Linux Luminarium

128 / 128 360 / 28367

Intro to Commands

Time of First Successful Submission: 2025-08-31 06:12:17

Intro to Arguments

Time of First Successful Submission: 2025-08-31 06:12:31

Command History

Time of First Successful Submission: 2025-08-31 06:12:46

The Root

Time of First Successful Submission: 2025-08-31 06:13:17

Program and absolute paths

Time of First Successful Submission: 2025-08-31 06:14:08

Position thy self

Time of First Successful Submission: 2025-08-31 06:14:30

Position elsewhere

Time of First Successful Submission: 2025-08-31 06:15:12

implicit relative paths, from /

Time of First Successful Submission: 2025-08-31 06:17:25

explicit relative paths, from /

Time of First Successful Submission: 2025-08-31 06:18:17

implicit relative path

Time of First Successful Submission: 2025-08-31 06:18:36

home sweet home

Time of First Successful Submission: 2025-08-31 06:19:59

cat: not the pet, but the command!

Time of First Successful Submission: 2025-09-11 05:30:18

catting absolute paths

Time of First Successful Submission: 2025-09-11 05:31:04

more catting practice

Time of First Successful Submission: 2025-09-11 05:31:39

grepping for a needle in a haystack

Time of First Successful Submission: 2025-09-11 05:32:09

comparing files

Time of First Successful Submission: 2025-09-11 05:32:34

listing files

Time of First Successful Submission: 2025-09-11 05:33:13

touching files

Time of First Successful Submission: 2025-09-11 05:33:41

removing files

Time of First Successful Submission: 2025-09-11 05:34:01

moving files

Time of First Successful Submission: 2025-09-11 05:34:47

copying files

Time of First Successful Submission: 2025-11-14 23:52:41

hidden files

Time of First Successful Submission: 2025-09-11 05:35:19

An Epic Filesystem Quest

Time of First Successful Submission: 2025-09-11 05:39:17

making directories

Time of First Successful Submission: 2025-09-11 05:39:49

finding files

Time of First Successful Submission: 2025-09-11 05:45:23

linking files

Time of First Successful Submission: 2025-09-11 05:51:20

Learning From Documentation

Time of First Successful Submission: 2025-09-11 05:51:57

Learning Complex Usage

Time of First Successful Submission: 2025-09-11 05:52:42

Reading Manuals

Time of First Successful Submission: 2025-09-11 05:54:00

Searching Manuals

Time of First Successful Submission: 2025-09-11 05:54:55

Searching For Manuals

Time of First Successful Submission: 2025-09-11 05:57:36

Helpful Programs

Time of First Successful Submission: 2025-09-11 05:58:20

Help for Builtins

Time of First Successful Submission: 2025-09-11 05:59:44

Matching with *

Time of First Successful Submission: 2025-09-11 06:01:04

Matching with ?

Time of First Successful Submission: 2025-09-11 06:02:38

Matching with []

Time of First Successful Submission: 2025-09-11 06:03:45

Matching paths with []

Time of First Successful Submission: 2025-09-11 06:06:24

Multiple globs

Time of First Successful Submission: 2025-09-11 06:07:13

Mixing globs

Time of First Successful Submission: 2025-09-11 06:09:43

Exclusionary globbing

Time of First Successful Submission: 2025-09-11 06:10:41

Tab completion

Time of First Successful Submission: 2025-09-11 06:11:16

Multiple options for tab completion

Time of First Successful Submission: 2025-09-11 06:14:36

Tab completion on commands

Time of First Successful Submission: 2025-09-11 06:14:52

Redirecting output

Time of First Successful Submission: 2025-09-15 04:41:39

Redirecting more output

Time of First Successful Submission: 2025-09-15 04:43:20

Appending output

Time of First Successful Submission: 2025-09-15 04:44:36

Redirecting errors

Time of First Successful Submission: 2025-09-15 04:46:46

Redirecting input

Time of First Successful Submission: 2025-09-15 04:47:49

Grepping stored results

Time of First Successful Submission: 2025-09-15 04:49:26

Grepping live output

Time of First Successful Submission: 2025-09-15 04:50:28

Grepping errors

Time of First Successful Submission: 2025-09-15 04:51:42

Filtering with grep -v

Time of First Successful Submission: 2025-09-15 04:52:31

Filtering with sed

Time of First Successful Submission: 2025-11-16 01:29:28

Duplicating piped data with tee

Time of First Successful Submission: 2025-09-15 05:42:25

Process substitution for input

Time of First Successful Submission: 2025-09-15 05:56:04

Writing to multiple programs

Time of First Successful Submission: 2025-09-15 05:57:14

Split-piping stderr and stdout

Time of First Successful Submission: 2025-09-15 05:58:16

Named pipes

Time of First Successful Submission: 2025-09-15 06:01:52

Printing Variables

Time of First Successful Submission: 2025-09-15 06:03:21

Setting Variables

Time of First Successful Submission: 2025-09-15 06:03:39

Multi-word Variables

Time of First Successful Submission: 2025-09-15 06:03:59

Exporting Variables

Time of First Successful Submission: 2025-09-15 06:05:20

Printing Exported Variables

Time of First Successful Submission: 2025-09-15 06:05:41

Storing Command Output

Time of First Successful Submission: 2025-09-15 06:06:54

Reading Input

Time of First Successful Submission: 2025-09-15 06:08:02

Reading Files

Time of First Successful Submission: 2025-09-15 06:10:01

Translating characters

Time of First Successful Submission: 2025-09-15 06:11:42

Deleting characters

Time of First Successful Submission: 2025-09-15 19:00:01

Deleting newlines

Time of First Successful Submission: 2025-09-15 19:01:50

Extracting the first lines with head

Time of First Successful Submission: 2025-09-15 19:03:01

Extracting specific sections of text

Time of First Successful Submission: 2025-09-15 19:06:12

Sorting data

Time of First Successful Submission: 2025-09-15 19:06:50

Listing Processes

Time of First Successful Submission: 2025-09-15 19:14:17

Killing Processes

Time of First Successful Submission: 2025-09-15 19:15:08

Interrupting Processes

Time of First Successful Submission: 2025-09-15 19:16:59

Killing Misbehaving Processes

Time of First Successful Submission: 2025-09-15 19:26:39

Suspending Processes

Time of First Successful Submission: 2025-09-15 19:28:50

Resuming Processes

Time of First Successful Submission: 2025-09-15 19:29:42

Backgrounding Processes

Time of First Successful Submission: 2025-09-15 19:30:50

Foregrounding Processes

Time of First Successful Submission: 2025-09-15 19:31:48

Starting Backgrounded Processes

Time of First Successful Submission: 2025-09-15 19:32:10

Process Exit Codes

Time of First Successful Submission: 2025-09-15 19:34:04

Becoming root with su

Time of First Successful Submission: 2025-09-15 19:35:37

Other users with su

Time of First Successful Submission: 2025-09-15 19:36:05

Cracking passwords

Time of First Successful Submission: 2025-09-15 19:37:40

Using sudo

Time of First Successful Submission: 2025-09-15 19:39:16

Changing File Ownership

Time of First Successful Submission: 2025-09-15 19:40:29

Groups and Files

Time of First Successful Submission: 2025-09-15 19:41:44

Fun With Groups Names

Time of First Successful Submission: 2025-09-15 19:42:27

Changing Permissions

Time of First Successful Submission: 2025-09-15 19:46:28

Executable Files

Time of First Successful Submission: 2025-09-15 19:48:36

Permission Tweaking Practice

Time of First Successful Submission: 2025-09-15 19:52:26

Permissions Setting Practice

Time of First Successful Submission: 2025-09-15 19:55:07

The SUID Bit

Time of First Successful Submission: 2025-09-15 19:56:59

Chaining with Semicolons

Time of First Successful Submission: 2025-09-15 20:22:16

Building on Success

Time of First Successful Submission: 2025-09-15 20:28:15

Handling Failure

Time of First Successful Submission: 2025-09-15 20:31:44

Your First Shell Script

Time of First Successful Submission: 2025-09-15 20:32:52

Redirecting Script Output

Time of First Successful Submission: 2025-09-15 20:34:04

Executable Shell Scripts

Time of First Successful Submission: 2025-09-15 20:36:41

Understanding Shebangs

Time of First Successful Submission: 2025-09-15 20:39:37

Scripting with Arguments

Time of First Successful Submission: 2025-09-15 20:41:23

Scripting with Conditionals

Time of First Successful Submission: 2025-09-15 20:43:41

Scripting with Default Cases

Time of First Successful Submission: 2025-09-15 20:44:44

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-09-15 20:48:00

Reading Shell Scripts

Time of First Successful Submission: 2025-09-15 20:50:07

Launching Screen

Time of First Successful Submission: 2025-09-15 19:57:29

Detaching and Attaching

Time of First Successful Submission: 2025-09-15 19:58:02

Finding Sessions

Time of First Successful Submission: 2025-09-15 19:59:10

Switching Windows

Time of First Successful Submission: 2025-09-15 19:59:38

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-09-15 20:00:31

Switching Windows (tmux)

Time of First Successful Submission: 2025-09-15 20:03:04

The PATH Variable

Time of First Successful Submission: 2025-09-15 06:13:08

Setting PATH

Time of First Successful Submission: 2025-09-15 06:14:01

Finding Commands

Time of First Successful Submission: 2025-09-15 06:15:05

Adding Commands

Time of First Successful Submission: 2025-09-15 20:55:22

Hijacking Commands

Time of First Successful Submission: 2025-09-15 21:02:22

Bashrc Backdoor

Time of First Successful Submission: 2025-09-15 21:03:43

Sniffing Input

Time of First Successful Submission: 2025-09-15 21:10:07

Overshared Directories

Time of First Successful Submission: 2025-09-15 22:01:35

Tricky Linking

Time of First Successful Submission: 2025-09-15 23:08:56

Sniffing Process Arguments

Time of First Successful Submission: 2025-09-15 22:29:45

Snooping on Configurations

Time of First Successful Submission: 2025-09-15 22:47:35

The Fork Bomb

Time of First Successful Submission: 2025-09-15 21:26:45

Disk-Space Doomsday

Time of First Successful Submission: 2025-09-15 21:31:40

rm -rf /

Time of First Successful Submission: 2025-09-15 21:43:57

Life after rm -rf /

Time of First Successful Submission: 2025-09-15 21:48:10

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-09-15 21:52:33

Computing 101

69 / 69 817 / 19405

Your First Register

Time of First Successful Submission: 2025-09-11 03:21:15

Your First Syscall

Time of First Successful Submission: 2025-09-11 03:31:37

Exit Codes

Time of First Successful Submission: 2025-09-11 03:32:22

Building Executables

Time of First Successful Submission: 2025-09-11 03:28:11

Moving Between Registers

Time of First Successful Submission: 2025-09-11 03:30:50

Tracing Syscalls

Time of First Successful Submission: 2025-09-11 03:33:55

Starting GDB

Time of First Successful Submission: 2025-09-11 03:35:02

Starting Programs in GDB

Time of First Successful Submission: 2025-09-11 03:36:18

Loading From Memory

Time of First Successful Submission: 2025-09-11 03:40:05

More Loading Practice

Time of First Successful Submission: 2025-09-11 03:40:53

Dereferencing Pointers

Time of First Successful Submission: 2025-09-11 03:43:08

Dereferencing Yourself

Time of First Successful Submission: 2025-09-11 03:44:42

Dereferencing with Offsets

Time of First Successful Submission: 2025-09-11 03:46:41

Stored Addresses

Time of First Successful Submission: 2025-09-11 03:56:50

Double Dereference

Time of First Successful Submission: 2025-09-11 04:11:47

Triple Dereference

Time of First Successful Submission: 2025-09-11 04:12:56

Writing Output

Time of First Successful Submission: 2025-09-11 04:22:48

Chaining Syscalls

Time of First Successful Submission: 2025-09-11 04:26:17

Writing Strings

Time of First Successful Submission: 2025-09-11 04:27:29

Reading Data

Time of First Successful Submission: 2025-09-11 04:34:52

set-register

Time of First Successful Submission: 2025-09-11 05:20:53

set-multiple-registers

Time of First Successful Submission: 2025-09-11 05:22:19

add-to-register

Time of First Successful Submission: 2025-09-11 05:23:17

linear-equation-registers

Time of First Successful Submission: 2025-09-11 05:25:07

integer-division

Time of First Successful Submission: 2025-09-11 05:27:28

modulo-operation

Time of First Successful Submission: 2025-09-11 05:29:12

set-upper-byte

Time of First Successful Submission: 2025-09-15 04:37:32

efficient-modulo

Time of First Successful Submission: 2025-09-15 23:16:37

byte-extraction

Time of First Successful Submission: 2025-09-15 23:26:57

bitwise-and

Time of First Successful Submission: 2025-09-15 23:47:51

check-even

Time of First Successful Submission: 2025-09-15 23:49:33

memory-read

Time of First Successful Submission: 2025-09-15 23:51:28

memory-write

Time of First Successful Submission: 2025-09-15 23:53:10

memory-increment

Time of First Successful Submission: 2025-09-15 23:54:58

byte-access

Time of First Successful Submission: 2025-09-15 23:57:17

memory-size-access

Time of First Successful Submission: 2025-09-16 00:01:21

little-endian-write

Time of First Successful Submission: 2025-09-16 00:02:49

memory-sum

Time of First Successful Submission: 2025-09-16 00:07:31

stack-subtraction

Time of First Successful Submission: 2025-09-16 00:10:04

swap-stack-values

Time of First Successful Submission: 2025-09-16 00:12:50

average-stack-values

Time of First Successful Submission: 2025-09-16 00:14:38

absolute-jump

Time of First Successful Submission: 2025-09-16 00:16:07

relative-jump

Time of First Successful Submission: 2025-09-16 00:19:50

jump-trampoline

Time of First Successful Submission: 2025-09-16 00:23:35

conditional-jump

Time of First Successful Submission: 2025-09-16 00:29:12

indirect-jump

Time of First Successful Submission: 2025-09-16 00:33:18

average-loop

Time of First Successful Submission: 2025-09-16 00:41:37

count-non-zero

Time of First Successful Submission: 2025-09-16 00:43:48

string-lower

Time of First Successful Submission: 2025-09-16 00:52:00

most-common-byte

Time of First Successful Submission: 2025-09-16 00:58:02

Debugging Programs

Time of First Successful Submission: 2024-01-29 15:31:05

Inspecting Registers

Time of First Successful Submission: 2024-01-29 15:50:57

Examining Memory

Time of First Successful Submission: 2025-09-16 01:19:30

Setting Breakpoints

Time of First Successful Submission: 2025-09-16 01:24:32

GDB Scripting

Time of First Successful Submission: 2025-09-16 02:29:33

Modifying Data

Time of First Successful Submission: 2025-09-16 02:31:05

Modifying Execution

Time of First Successful Submission: 2025-09-16 02:31:43

Broken Functions

Time of First Successful Submission: 2025-09-17 23:01:42

Exit

Time of First Successful Submission: 2025-09-16 02:57:44

Socket

Time of First Successful Submission: 2025-09-16 04:13:34

Bind

Time of First Successful Submission: 2025-09-16 04:22:16

Listen

Time of First Successful Submission: 2025-09-16 04:25:40

Accept

Time of First Successful Submission: 2025-09-16 04:27:49

Static Response

Time of First Successful Submission: 2025-09-16 17:14:34

Dynamic Response

Time of First Successful Submission: 2025-09-17 02:04:10

Iterative GET Server

Time of First Successful Submission: 2025-09-17 02:44:49

Concurrent GET Server

Time of First Successful Submission: 2025-09-17 20:00:03

Concurrent POST Server

Time of First Successful Submission: 2025-09-17 22:41:03

Web Server

Time of First Successful Submission: 2025-09-18 00:01:42

Playing With Programs

116 / 116 395 / 22222

What's the password?

Time of First Successful Submission: 2025-09-09 01:31:14

... and again!

Time of First Successful Submission: 2025-09-09 01:32:02

Newline Troubles

Time of First Successful Submission: 2025-09-09 01:38:07

Reasoning about files

Time of First Successful Submission: 2025-09-09 01:41:39

Specifying Filenames

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

Binary and Hex Encoding

Time of First Successful Submission: 2025-09-09 01:45:24

More Hex

Time of First Successful Submission: 2025-09-09 01:46:02

Decoding Hex

Time of First Successful Submission: 2025-09-09 20:25:29

Decoding Practice

Time of First Successful Submission: 2025-09-11 02:58:20

Encoding Practice

Time of First Successful Submission: 2025-09-11 02:59:11

Hex-encoding ASCII

Time of First Successful Submission: 2025-09-11 03:09:15

Nested Encoding

Time of First Successful Submission: 2025-09-20 06:24:40

Hex-encoding UTF-8

Time of First Successful Submission: 2025-09-18 02:44:11

UTF Mixups

Time of First Successful Submission: 2025-09-20 06:25:15

Modifying Encoded Data

Time of First Successful Submission: 2025-09-18 02:41:52

Decoding Base64

Time of First Successful Submission: 2025-09-11 03:05:19

Encoding Base64

Time of First Successful Submission: 2025-09-11 03:06:20

Dealing with Obfuscation

Time of First Successful Submission: 2025-09-20 06:30:25

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-09-20 06:51:51

Your First HTTP Request

Time of First Successful Submission: 2025-09-16 04:40:36

Reading Flask

Time of First Successful Submission: 2025-09-17 23:15:16

Commented Data

Time of First Successful Submission: 2025-09-17 23:19:43

HTTP Metadata

Time of First Successful Submission: 2025-09-17 23:22:19

HTTP (netcat)

Time of First Successful Submission: 2025-09-17 23:25:14

HTTP Paths (netcat)

Time of First Successful Submission: 2025-09-17 23:26:32

HTTP (curl)

Time of First Successful Submission: 2025-09-17 23:27:32

HTTP (python)

Time of First Successful Submission: 2025-09-17 23:32:34

HTTP Host Header (python)

Time of First Successful Submission: 2025-09-20 02:51:36

HTTP Host Header (curl)

Time of First Successful Submission: 2025-09-20 02:55:59

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-09-20 03:01:22

URL Encoding (netcat)

Time of First Successful Submission: 2025-09-20 03:05:49

HTTP GET Parameters

Time of First Successful Submission: 2025-09-20 03:11:24

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-09-20 05:07:14

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-09-20 05:10:15

HTTP Forms

Time of First Successful Submission: 2025-09-20 05:12:57

HTTP Forms (curl)

Time of First Successful Submission: 2025-09-20 05:15:46

HTTP Forms (netcat)

Time of First Successful Submission: 2025-09-20 05:38:50

HTTP Forms (python)

Time of First Successful Submission: 2025-09-20 05:39:32

HTTP Forms Without Forms

Time of First Successful Submission: 2025-09-20 05:40:41

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-09-20 05:45:51

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-09-20 05:49:49

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-09-20 05:51:31

HTTP Redirects (curl)

Time of First Successful Submission: 2025-09-20 05:52:21

HTTP Redirects (python)

Time of First Successful Submission: 2025-09-20 05:52:59

HTTP Cookies (curl)

Time of First Successful Submission: 2025-09-20 05:55:23

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-09-20 05:58:49

HTTP Cookies (python)

Time of First Successful Submission: 2025-09-20 05:59:43

Server State (python)

Time of First Successful Submission: 2025-09-20 06:02:15

Listening Web

Time of First Successful Submission: 2025-09-20 06:04:30

Speaking Redirects

Time of First Successful Submission: 2025-09-20 06:06:01

JavaScript Redirects

Time of First Successful Submission: 2025-09-20 06:13:12

Including JavaScript

Time of First Successful Submission: 2025-09-20 06:16:46

HTTP (javascript)

Time of First Successful Submission: 2025-09-20 07:01:53

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-09-20 07:04:49

HTTP Forms (javascript)

Time of First Successful Submission: 2025-09-20 07:09:27

cat

Time of First Successful Submission: 2024-01-29 04:56:32

more

Time of First Successful Submission: 2024-01-29 04:57:28

less

Time of First Successful Submission: 2024-01-29 04:58:23

tail

Time of First Successful Submission: 2024-01-29 05:00:01

head

Time of First Successful Submission: 2024-01-29 05:02:12

sort

Time of First Successful Submission: 2024-01-29 05:03:27

vim

Time of First Successful Submission: 2024-01-29 05:04:56

emacs

Time of First Successful Submission: 2024-01-29 05:14:33

nano

Time of First Successful Submission: 2024-01-29 05:18:10

rev

Time of First Successful Submission: 2024-01-29 05:19:44

od

Time of First Successful Submission: 2024-01-29 05:24:19

hd

Time of First Successful Submission: 2024-01-29 05:28:32

xxd

Time of First Successful Submission: 2024-01-29 05:29:38

base32

Time of First Successful Submission: 2024-01-29 05:30:55

base64

Time of First Successful Submission: 2024-01-29 05:32:22

split

Time of First Successful Submission: 2024-01-29 05:54:28

gzip

Time of First Successful Submission: 2024-01-29 06:03:35

bzip2

Time of First Successful Submission: 2024-01-29 06:11:18

zip

Time of First Successful Submission: 2024-01-29 06:13:33

tar

Time of First Successful Submission: 2024-01-29 06:14:43

ar

Time of First Successful Submission: 2024-01-29 06:18:29

cpio

Time of First Successful Submission: 2024-01-29 06:19:25

genisoimage

Time of First Successful Submission: 2024-01-29 06:20:25

env

Time of First Successful Submission: 2024-01-29 23:08:51

find

Time of First Successful Submission: 2024-01-29 23:10:35

make

Time of First Successful Submission: 2024-01-29 23:12:46

nice

Time of First Successful Submission: 2024-01-29 23:16:06

timeout

Time of First Successful Submission: 2024-01-29 23:30:57

stdbuf

Time of First Successful Submission: 2024-01-29 23:34:20

setarch

Time of First Successful Submission: 2024-01-29 23:36:11

watch

Time of First Successful Submission: 2024-01-29 23:37:34

socat

Time of First Successful Submission: 2024-01-29 23:42:00

whiptail

Time of First Successful Submission: 2024-01-29 23:47:48

awk

Time of First Successful Submission: 2024-01-30 00:00:50

sed

Time of First Successful Submission: 2024-01-30 00:02:28

ed

Time of First Successful Submission: 2024-01-30 00:04:32

chown

Time of First Successful Submission: 2024-01-30 00:05:46

chmod

Time of First Successful Submission: 2024-01-30 00:07:50

cp

Time of First Successful Submission: 2024-01-30 00:09:22

mv

Time of First Successful Submission: 2024-01-30 00:11:34

perl

Time of First Successful Submission: 2024-01-30 00:13:32

python

Time of First Successful Submission: 2024-01-30 00:15:32

ruby

Time of First Successful Submission: 2024-01-30 00:17:04

bash

Time of First Successful Submission: 2024-01-30 00:19:03

date

Time of First Successful Submission: 2024-01-30 00:20:01

dmesg

Time of First Successful Submission: 2024-01-30 00:21:17

wc

Time of First Successful Submission: 2024-01-30 00:22:36

gcc

Time of First Successful Submission: 2024-01-30 00:23:49

as

Time of First Successful Submission: 2024-01-30 00:25:04

wget

Time of First Successful Submission: 2024-01-30 00:29:51

ssh-keygen

Time of First Successful Submission: 2024-01-30 00:43:34

SQL Queries

Time of First Successful Submission: 2025-09-08 05:35:29

Filtering SQL

Time of First Successful Submission: 2025-09-08 05:38:45

Choosing Columns

Time of First Successful Submission: 2025-09-08 05:40:02

Exclusionary Filtering

Time of First Successful Submission: 2025-09-08 05:45:20

Filtering Strings

Time of First Successful Submission: 2025-09-08 05:47:33

Filtering on Expressions

Time of First Successful Submission: 2025-09-08 05:50:15

SELECTing Expressions

Time of First Successful Submission: 2025-09-08 05:56:44

Composite Conditions

Time of First Successful Submission: 2025-09-08 05:58:30

Reaching Your LIMITs

Time of First Successful Submission: 2025-09-08 06:00:42

Querying Metadata

Time of First Successful Submission: 2025-09-08 06:02:27

CybHer Dojo

82 / 104 21 / 38581

Using the Terminal

Time of First Successful Submission: 2025-08-31 06:07:49

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-29 04:30:25

Using the GUI Desktop

Time of First Successful Submission: 2024-01-29 04:32:12

Pasting into the Desktop

Time of First Successful Submission: 2024-01-29 04:33:46

Restarting Challenges

Time of First Successful Submission: 2025-08-31 06:09:07

Getting Help

Time of First Successful Submission: 2025-08-31 06:10:21

Challenge Programs

Time of First Successful Submission: 2025-08-31 06:11:04

The Flag File

Time of First Successful Submission: 2024-01-29 04:36:13

Using Privileged Mode

Time of First Successful Submission: 2024-01-29 04:39:10

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-29 04:41:07

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-29 04:41:45

Running Commands

Time of First Successful Submission: 2025-10-17 03:26:13

Move through the Linux filesystem.

Time of First Successful Submission: 2025-10-17 03:30:32

Create and delete files.

Time of First Successful Submission: 2025-10-17 03:42:04

Move, copy, and rename files.

Time of First Successful Submission: 2025-10-17 03:44:49

Display file contents in the terminal.

Time of First Successful Submission: 2025-10-17 03:45:54

Create files with nano.

Time of First Successful Submission: 2025-10-17 03:46:40

Edit files with nano.

Time of First Successful Submission: 2025-10-17 03:47:33

Locate files on the Linux filesystem.

Time of First Successful Submission: 2025-10-17 03:48:30

Find the password! (Searching files)

Time of First Successful Submission: 2025-10-17 03:51:35

Advanced Directory Techniques.

Time of First Successful Submission: 2025-10-17 03:54:41

Learn about command flags.

Time of First Successful Submission: 2025-10-17 03:56:00

Printing

Time of First Successful Submission: 2025-10-17 03:57:32

Variables

Time of First Successful Submission: 2025-10-17 03:59:32

Format Print

Time of First Successful Submission: 2025-10-17 04:01:22

User Input

Time of First Successful Submission: 2025-10-17 04:02:41

Type Casting

Time of First Successful Submission: 2025-10-20 05:37:07

Knowledge Check I (Input/Output)

Time of First Successful Submission: 2025-10-20 06:30:26

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2025-10-20 07:16:12

Math

Time of First Successful Submission: 2025-10-20 07:20:33

Floor Division

Time of First Successful Submission: 2025-10-20 07:25:33

Geometry

Time of First Successful Submission: 2025-10-20 07:30:12

Comparison

Time of First Successful Submission: 2025-10-20 07:31:52

Knowledge Check I (Math)

Time of First Successful Submission: 2025-10-24 05:02:28

Knowledge Check II (Math)

Time of First Successful Submission: 2025-10-24 05:04:09

If Statements

Time of First Successful Submission: 2025-10-24 05:05:36

If Else Statements

Time of First Successful Submission: 2025-10-24 05:07:47

Caesar Cipher Encoding

Time of First Successful Submission: 2025-10-29 02:59:30

Caesar Cipher Decoding

Time of First Successful Submission: 2025-10-29 03:00:37

Caesar Cipher Brute Force

Time of First Successful Submission: 2025-10-30 17:35:46

Substitution Cipher Encoding

Time of First Successful Submission: 2025-10-30 01:30:22

Substitution Cipher Decoding

Time of First Successful Submission: 2025-10-30 01:31:01

ASCII Encoding

Time of First Successful Submission: 2025-10-30 01:31:51

ASCII Decoding

Time of First Successful Submission: 2025-10-30 01:32:34

Hexadecimal - Encoding

Time of First Successful Submission: 2025-10-30 01:34:24

Hexadecimal - Decoding

Time of First Successful Submission: 2025-10-30 01:35:01

Binary Encoding

Time of First Successful Submission: 2025-10-30 01:35:45

Binary Decoding

Time of First Successful Submission: 2025-10-30 01:37:00

Morse Code - Encoding

Time of First Successful Submission: 2025-10-30 01:38:00

Morse Code - Decoding

Time of First Successful Submission: 2025-10-30 01:39:07

Base64 - Encoding

Time of First Successful Submission: 2025-10-29 03:02:04

Base64 - Decoding

Time of First Successful Submission: 2025-10-30 01:40:09

Playfair - Encoding

Time of First Successful Submission: 2025-10-30 01:42:31

Playfair - Decoding

Time of First Successful Submission: 2025-10-30 01:44:13

Polybius Square - Encoding

Time of First Successful Submission: 2025-10-30 01:45:04

Polybius Square - Decoding

Time of First Successful Submission: 2025-10-30 01:45:49

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2025-10-30 01:47:38

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2025-10-30 01:48:03

Easy Challenge #1

Time of First Successful Submission: 2025-10-30 01:49:50

Medium Challenge #1

Time of First Successful Submission: 2025-10-30 01:53:03

Google Dorks

Time of First Successful Submission: 2025-10-20 06:39:39

Social Media Password

Time of First Successful Submission: 2025-10-20 06:42:34

Wayback Machine I

Time of First Successful Submission: 2025-10-20 06:44:23

Wayback Machine II

Time of First Successful Submission: 2025-10-20 06:47:17

Pale Red Horse Squad

Time of First Successful Submission: 2025-10-29 04:44:13

Swiss Army Button

Time of First Successful Submission: 2025-10-29 04:46:45

YeeBay

Time of First Successful Submission: 2025-10-30 17:04:04

Am I Admin?

Time of First Successful Submission: 2025-10-30 17:09:20

Am I Admin 2?

Time of First Successful Submission: 2025-10-30 17:14:56

Forceful Browsing

Time of First Successful Submission: 2025-11-01 03:43:33

Buffer Overflow

Time of First Successful Submission: 2025-10-21 17:02:19

Magic Number

Time of First Successful Submission: 2025-10-21 17:18:57

Grep Master

Time of First Successful Submission: 2025-10-30 15:43:44

Unlock The Vault

Time of First Successful Submission: 2025-10-30 15:46:58

Locked Treasure Chest

Time of First Successful Submission: 2025-10-30 16:54:08

The Artists Clue

Time of First Successful Submission: 2025-10-30 15:59:52

Code Cracker

Time of First Successful Submission: 2025-10-30 16:01:34

Chatty Server

Time of First Successful Submission: 2025-10-30 16:04:56

Secret Message In Photo

Time of First Successful Submission: 2025-10-30 16:09:29

Hidden Treasures In The Picture

Time of First Successful Submission: 2025-10-30 16:36:32

Findthegeneral

Time of First Successful Submission: 2025-10-30 16:43:22

Findthegeneralii

Time of First Successful Submission: 2025-10-30 17:29:18

Fuzz Dojo

1 / 16 148 / 234

Consent

Time of First Successful Submission: 2025-10-17 03:20:48

GCA CTF

82 / 104 21 / 38581

Using the Terminal

Time of First Successful Submission: 2025-08-31 06:07:49

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-29 04:30:25

Using the GUI Desktop

Time of First Successful Submission: 2024-01-29 04:32:12

Pasting into the Desktop

Time of First Successful Submission: 2024-01-29 04:33:46

Restarting Challenges

Time of First Successful Submission: 2025-08-31 06:09:07

Getting Help

Time of First Successful Submission: 2025-08-31 06:10:21

Challenge Programs

Time of First Successful Submission: 2025-08-31 06:11:04

The Flag File

Time of First Successful Submission: 2024-01-29 04:36:13

Using Privileged Mode

Time of First Successful Submission: 2024-01-29 04:39:10

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-29 04:41:07

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-29 04:41:45

Running Commands

Time of First Successful Submission: 2025-10-17 03:26:13

Move through the Linux filesystem.

Time of First Successful Submission: 2025-10-17 03:30:32

Create and delete files.

Time of First Successful Submission: 2025-10-17 03:42:04

Move, copy, and rename files.

Time of First Successful Submission: 2025-10-17 03:44:49

Display file contents in the terminal.

Time of First Successful Submission: 2025-10-17 03:45:54

Create files with nano.

Time of First Successful Submission: 2025-10-17 03:46:40

Edit files with nano.

Time of First Successful Submission: 2025-10-17 03:47:33

Locate files on the Linux filesystem.

Time of First Successful Submission: 2025-10-17 03:48:30

Find the password! (Searching files)

Time of First Successful Submission: 2025-10-17 03:51:35

Advanced Directory Techniques.

Time of First Successful Submission: 2025-10-17 03:54:41

Learn about command flags.

Time of First Successful Submission: 2025-10-17 03:56:00

Printing

Time of First Successful Submission: 2025-10-17 03:57:32

Variables

Time of First Successful Submission: 2025-10-17 03:59:32

Format Print

Time of First Successful Submission: 2025-10-17 04:01:22

User Input

Time of First Successful Submission: 2025-10-17 04:02:41

Type Casting

Time of First Successful Submission: 2025-10-20 05:37:07

Knowledge Check I (Input/Output)

Time of First Successful Submission: 2025-10-20 06:30:26

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2025-10-20 07:16:12

Math

Time of First Successful Submission: 2025-10-20 07:20:33

Floor Division

Time of First Successful Submission: 2025-10-20 07:25:33

Geometry

Time of First Successful Submission: 2025-10-20 07:30:12

Comparison

Time of First Successful Submission: 2025-10-20 07:31:52

Knowledge Check I (Math)

Time of First Successful Submission: 2025-10-24 05:02:28

Knowledge Check II (Math)

Time of First Successful Submission: 2025-10-24 05:04:09

If Statements

Time of First Successful Submission: 2025-10-24 05:05:36

If Else Statements

Time of First Successful Submission: 2025-10-24 05:07:47

Caesar Cipher Encoding

Time of First Successful Submission: 2025-10-29 02:59:30

Caesar Cipher Decoding

Time of First Successful Submission: 2025-10-29 03:00:37

Caesar Cipher Brute Force

Time of First Successful Submission: 2025-10-30 17:35:46

Substitution Cipher Encoding

Time of First Successful Submission: 2025-10-30 01:30:22

Substitution Cipher Decoding

Time of First Successful Submission: 2025-10-30 01:31:01

ASCII Encoding

Time of First Successful Submission: 2025-10-30 01:31:51

ASCII Decoding

Time of First Successful Submission: 2025-10-30 01:32:34

Hexadecimal - Encoding

Time of First Successful Submission: 2025-10-30 01:34:24

Hexadecimal - Decoding

Time of First Successful Submission: 2025-10-30 01:35:01

Binary Encoding

Time of First Successful Submission: 2025-10-30 01:35:45

Binary Decoding

Time of First Successful Submission: 2025-10-30 01:37:00

Morse Code - Encoding

Time of First Successful Submission: 2025-10-30 01:38:00

Morse Code - Decoding

Time of First Successful Submission: 2025-10-30 01:39:07

Base64 - Encoding

Time of First Successful Submission: 2025-10-29 03:02:04

Base64 - Decoding

Time of First Successful Submission: 2025-10-30 01:40:09

Playfair - Encoding

Time of First Successful Submission: 2025-10-30 01:42:31

Playfair - Decoding

Time of First Successful Submission: 2025-10-30 01:44:13

Polybius Square - Encoding

Time of First Successful Submission: 2025-10-30 01:45:04

Polybius Square - Decoding

Time of First Successful Submission: 2025-10-30 01:45:49

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2025-10-30 01:47:38

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2025-10-30 01:48:03

Easy Challenge #1

Time of First Successful Submission: 2025-10-30 01:49:50

Medium Challenge #1

Time of First Successful Submission: 2025-10-30 01:53:03

Google Dorks

Time of First Successful Submission: 2025-10-20 06:39:39

Social Media Password

Time of First Successful Submission: 2025-10-20 06:42:34

Wayback Machine I

Time of First Successful Submission: 2025-10-20 06:44:23

Wayback Machine II

Time of First Successful Submission: 2025-10-20 06:47:17

Pale Red Horse Squad

Time of First Successful Submission: 2025-10-29 04:44:13

Swiss Army Button

Time of First Successful Submission: 2025-10-29 04:46:45

YeeBay

Time of First Successful Submission: 2025-10-30 17:04:04

Am I Admin?

Time of First Successful Submission: 2025-10-30 17:09:20

Am I Admin 2?

Time of First Successful Submission: 2025-10-30 17:14:56

Forceful Browsing

Time of First Successful Submission: 2025-11-01 03:43:33

Buffer Overflow

Time of First Successful Submission: 2025-10-21 17:02:19

Magic Number

Time of First Successful Submission: 2025-10-21 17:18:57

Grep Master

Time of First Successful Submission: 2025-10-30 15:43:44

Unlock The Vault

Time of First Successful Submission: 2025-10-30 15:46:58

Locked Treasure Chest

Time of First Successful Submission: 2025-10-30 16:54:08

The Artists Clue

Time of First Successful Submission: 2025-10-30 15:59:52

Code Cracker

Time of First Successful Submission: 2025-10-30 16:01:34

Chatty Server

Time of First Successful Submission: 2025-10-30 16:04:56

Secret Message In Photo

Time of First Successful Submission: 2025-10-30 16:09:29

Hidden Treasures In The Picture

Time of First Successful Submission: 2025-10-30 16:36:32

Findthegeneral

Time of First Successful Submission: 2025-10-30 16:43:22

Findthegeneralii

Time of First Successful Submission: 2025-10-30 17:29:18

Hacker History

8 / 8 53 / 141

External BBS (login)

Time of First Successful Submission: 2025-09-16 01:45:10

Internal BBS

Time of First Successful Submission: 2025-10-30 01:17:21

Join an IRC Server

Time of First Successful Submission: 2025-09-16 02:15:21

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2025-09-16 02:16:37

Change your nickname

Time of First Successful Submission: 2025-09-16 02:18:28

Join a channel

Time of First Successful Submission: 2025-09-16 02:19:45

Message a channel

Time of First Successful Submission: 2025-10-30 01:25:45

Remove another user

Time of First Successful Submission: 2025-10-30 01:27:06

Pwntools Tutorials

12 / 12 270 / 1131

Level 0.0

Time of First Successful Submission: 2025-09-27 05:22:14

Level 1.0

Time of First Successful Submission: 2025-09-27 05:23:19

Level 1.1

Time of First Successful Submission: 2025-09-27 05:25:24

Level 2.0

Time of First Successful Submission: 2025-09-27 05:27:19

Level 2.1

Time of First Successful Submission: 2025-09-27 05:29:02

Level 2.2

Time of First Successful Submission: 2025-09-27 05:32:07

Level 2.3

Time of First Successful Submission: 2025-09-27 05:33:52

Level 2.4

Time of First Successful Submission: 2025-09-27 05:35:25

Level 2.5

Time of First Successful Submission: 2025-09-27 05:37:09

Level 2.6

Time of First Successful Submission: 2025-09-27 05:40:24

Level 3.0

Time of First Successful Submission: 2025-10-29 01:37:18

Level 4.0

Time of First Successful Submission: 2025-10-29 02:45:06