Riky

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-02-24 17:21:23

Command Arguments

Time of First Successful Submission: 2026-02-24 17:22:37

Command History

Time of First Successful Submission: 2026-02-24 17:23:30

The Root Path

Time of First Successful Submission: 2026-02-24 18:19:47

Absolute Paths

Time of First Successful Submission: 2026-02-24 18:20:46

Changing position

Time of First Successful Submission: 2026-02-24 18:22:16

Changing to an Absolute Path

Time of First Successful Submission: 2026-02-24 18:24:15

Relative Paths

Time of First Successful Submission: 2026-02-24 18:26:55

Cat

Time of First Successful Submission: 2026-02-24 18:44:15

Ls

Time of First Successful Submission: 2026-02-24 18:52:50

Ls All

Time of First Successful Submission: 2026-02-24 19:02:37

Find

Time of First Successful Submission: 2026-02-24 19:24:43

Piping Echo

Time of First Successful Submission: 2026-02-25 09:29:28

Piping Stdout

Time of First Successful Submission: 2026-02-25 09:33:15

Piping Stdin

Time of First Successful Submission: 2026-02-25 09:40:57

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-09-16 14:52:03

Path Traversal 2

Time of First Successful Submission: 2026-09-16 15:03:17

CMDi 1

Time of First Successful Submission: 2026-09-16 15:08:51

CMDi 2

Time of First Successful Submission: 2026-09-16 15:10:58

CMDi 3

Time of First Successful Submission: 2026-09-16 15:13:26

CMDi 4

Time of First Successful Submission: 2026-09-16 15:15:24

CMDi 5

Time of First Successful Submission: 2026-09-16 15:17:04

CMDi 6

Time of First Successful Submission: 2026-09-16 15:19:34

Authentication Bypass 1

Time of First Successful Submission: 2026-09-16 15:23:18

Authentication Bypass 2

Time of First Successful Submission: 2026-09-16 15:25:18

SQLi 1

Time of First Successful Submission: 2026-09-17 13:15:12

SQLi 2

Time of First Successful Submission: 2026-09-17 13:18:11

SQLi 3

Time of First Successful Submission: 2026-09-17 13:20:29

SQLi 4

Time of First Successful Submission: 2026-09-17 13:23:12

SQLi 5

Time of First Successful Submission: 2026-09-17 13:27:19

XSS 1

Time of First Successful Submission: 2026-09-18 08:19:24

XSS 2

Time of First Successful Submission: 2026-09-18 08:23:08

XSS 3

Time of First Successful Submission: 2026-09-18 08:26:44

XSS 4

Time of First Successful Submission: 2026-09-18 08:29:15

XSS 5

Time of First Successful Submission: 2026-09-18 08:36:47

XSS 6

Time of First Successful Submission: 2026-09-18 08:40:33

XSS 7

Time of First Successful Submission: 2026-09-18 08:48:55

CSRF 1

Time of First Successful Submission: 2026-09-18 09:52:26

CSRF 2

Time of First Successful Submission: 2026-09-18 09:55:53

CSRF 3

Time of First Successful Submission: 2026-09-18 09:59:42

CSRF 4

Time of First Successful Submission: 2026-09-18 10:07:11

CSRF 5

Time of First Successful Submission: 2026-09-18 10:11:07

Connect

Time of First Successful Submission: 2026-09-19 07:22:37

Send

Time of First Successful Submission: 2026-09-19 07:24:09

Shutdown

Time of First Successful Submission: 2026-09-19 07:34:09

Listen

Time of First Successful Submission: 2026-09-19 07:35:11

Scan 1

Time of First Successful Submission: 2026-09-19 07:39:10

Scan 2

Time of First Successful Submission: 2026-09-19 07:42:56

Monitor 1

Time of First Successful Submission: 2026-09-19 07:48:12

Monitor 2

Time of First Successful Submission: 2026-09-19 08:00:28

Sniffing Cookies

Time of First Successful Submission: 2026-09-19 08:03:30

Network Configuration

Time of First Successful Submission: 2026-09-19 08:06:45

Firewall 1

Time of First Successful Submission: 2026-09-19 10:37:07

Firewall 2

Time of First Successful Submission: 2026-09-19 10:38:58

Firewall 3

Time of First Successful Submission: 2026-09-19 10:40:08

Denial of Service 1

Time of First Successful Submission: 2026-09-19 10:41:30

Denial of Service 2

Time of First Successful Submission: 2026-09-19 10:42:49

Denial of Service 3

Time of First Successful Submission: 2026-09-19 10:46:09

Ethernet

Time of First Successful Submission: 2026-09-19 10:47:44

IP

Time of First Successful Submission: 2026-09-19 10:48:57

TCP

Time of First Successful Submission: 2026-09-19 10:49:59

TCP Handshake

Time of First Successful Submission: 2026-09-19 10:51:46

UDP

Time of First Successful Submission: 2026-09-19 10:53:25

UDP 2

Time of First Successful Submission: 2026-09-19 10:58:51

UDP Spoofing 1

Time of First Successful Submission: 2026-09-19 12:39:49

UDP Spoofing 2

Time of First Successful Submission: 2026-09-19 12:42:16

UDP Spoofing 3

Time of First Successful Submission: 2026-09-19 12:46:03

UDP Spoofing 4

Time of First Successful Submission: 2026-09-19 12:51:15

ARP

Time of First Successful Submission: 2026-09-19 12:52:46

Intercept

Time of First Successful Submission: 2026-09-19 12:57:16

Man-in-the-Middle

Time of First Successful Submission: 2026-09-19 13:10:42

XOR

Time of First Successful Submission: 2026-09-20 07:50:24

XORing Hex

Time of First Successful Submission: 2026-09-20 07:58:29

XORing ASCII

Time of First Successful Submission: 2026-09-20 08:06:56

XORing ASCII Strings

Time of First Successful Submission: 2026-09-20 08:14:59

One-time Pad

Time of First Successful Submission: 2026-09-20 08:19:10

One-time Pad Tampering

Time of First Successful Submission: 2026-09-20 08:25:56

Many-time Pad

Time of First Successful Submission: 2026-09-20 08:30:05

AES

Time of First Successful Submission: 2026-09-21 08:12:56

AES-ECB-CPA

Time of First Successful Submission: 2026-09-21 08:29:09

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-09-21 08:36:09

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-09-21 08:42:19

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-09-21 08:46:31

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-09-21 08:50:28

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-09-21 08:53:55

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-09-21 09:00:05

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-09-21 09:04:16

AES-CBC

Time of First Successful Submission: 2026-09-21 09:11:49

AES-CBC Tampering

Time of First Successful Submission: 2026-09-21 09:19:12

AES-CBC Resizing

Time of First Successful Submission: 2026-09-21 09:24:54

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-09-21 09:32:24

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-09-21 09:34:46

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-09-21 09:40:37

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-09-21 09:48:57

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-09-21 09:50:44

DHKE

Time of First Successful Submission: 2026-09-21 15:02:41

DHKE-to-AES

Time of First Successful Submission: 2026-09-21 15:07:41

RSA 1

Time of First Successful Submission: 2026-09-21 15:14:31

RSA 2

Time of First Successful Submission: 2026-09-22 06:16:44

RSA 3

Time of First Successful Submission: 2026-09-22 06:25:13

RSA 4

Time of First Successful Submission: 2026-09-22 06:30:19

RSA Signatures

Time of First Successful Submission: 2026-09-22 06:36:16

SHA 1

Time of First Successful Submission: 2026-09-22 06:48:18

SHA 2

Time of First Successful Submission: 2026-09-22 06:53:20

TLS 1

Time of First Successful Submission: 2026-09-22 07:11:53

TLS 2

Time of First Successful Submission: 2026-09-22 07:21:52

level1

Time of First Successful Submission: 2026-09-22 08:42:52

level2

Time of First Successful Submission: 2026-09-22 08:45:45

level3

Time of First Successful Submission: 2026-09-22 08:46:41

level4

Time of First Successful Submission: 2026-09-22 08:47:31

level5

Time of First Successful Submission: 2026-09-22 08:51:06

level6

Time of First Successful Submission: 2026-09-22 08:52:28

level7

Time of First Successful Submission: 2026-09-22 08:54:32

level8

Time of First Successful Submission: 2026-09-22 08:55:39

level9

Time of First Successful Submission: 2026-09-22 08:57:20

level10

Time of First Successful Submission: 2026-09-22 08:59:33

level11

Time of First Successful Submission: 2026-09-22 09:05:42

level12

Time of First Successful Submission: 2026-09-22 09:08:23

level13

Time of First Successful Submission: 2026-09-22 09:09:23

level14

Time of First Successful Submission: 2026-09-22 09:10:13

level15

Time of First Successful Submission: 2026-09-22 09:10:56

level16

Time of First Successful Submission: 2026-09-22 09:12:17

level17

Time of First Successful Submission: 2026-09-22 09:17:47

level18

Time of First Successful Submission: 2026-09-22 09:20:17

level19

Time of First Successful Submission: 2026-09-22 09:25:04

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-09-23 08:38:37

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-09-23 08:40:31

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-09-23 08:54:09

Reading Endianness (Python)

Time of First Successful Submission: 2026-09-23 08:56:03

Reading Endianness (C)

Time of First Successful Submission: 2026-09-23 08:59:00

Reading Endianness (x86)

Time of First Successful Submission: 2026-09-23 09:01:39

Version Information (Python)

Time of First Successful Submission: 2026-09-23 09:07:07

Version Information (C)

Time of First Successful Submission: 2026-09-23 09:11:04

Version Information (x86)

Time of First Successful Submission: 2026-09-23 09:13:51

Metadata and Data (Python)

Time of First Successful Submission: 2026-09-23 09:15:51

Metadata and Data (C)

Time of First Successful Submission: 2026-09-23 09:18:04

Metadata and Data (x86)

Time of First Successful Submission: 2026-09-23 09:21:12

Input Restrictions (Python)

Time of First Successful Submission: 2026-09-24 07:33:16

Input Restrictions (C)

Time of First Successful Submission: 2026-09-24 07:35:03

Input Restrictions (x86)

Time of First Successful Submission: 2026-09-24 07:37:20

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-09-24 07:40:16

Behold the cIMG! (C)

Time of First Successful Submission: 2026-09-24 07:42:49

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-09-24 07:46:19

A Basic cIMG (Python)

Time of First Successful Submission: 2026-09-24 07:48:51

A Basic cIMG (C)

Time of First Successful Submission: 2026-09-24 07:50:35

A Basic cIMG (x86)

Time of First Successful Submission: 2026-09-24 07:54:02

Internal State Mini (C)

Time of First Successful Submission: 2026-09-24 08:01:18

Internal State Mini (x86)

Time of First Successful Submission: 2026-09-24 08:05:34

Internal State (C)

Time of First Successful Submission: 2026-09-24 08:11:19

Internal State (x86)

Time of First Successful Submission: 2026-09-24 08:34:24

File Formats: Directives (C)

Time of First Successful Submission: 2026-09-24 08:37:59

File Formats: Directives (x86)

Time of First Successful Submission: 2026-09-24 08:43:23

The Patch Directive

Time of First Successful Submission: 2026-09-24 08:49:13

Optimizing for Space

Time of First Successful Submission: 2026-09-24 08:54:06

Tweaking Images

Time of First Successful Submission: 2026-09-24 09:07:38

Storage and Retrieval

Time of First Successful Submission: 2026-09-24 09:20:15

Extracting Knowledge

Time of First Successful Submission: 2026-09-24 09:26:27

Advanced Sprites

Time of First Successful Submission: 2026-09-24 09:35:07

Accessing Resources

Time of First Successful Submission: 2026-09-24 09:42:22

Unsafe Animations

Time of First Successful Submission: 2026-09-24 09:48:28

Animations

Time of First Successful Submission: 2026-09-24 10:01:06

Interoperability: Patching Data

Time of First Successful Submission: 2026-09-24 10:22:58

Patching Code

Time of First Successful Submission: 2026-09-24 10:51:57

Patching Control Flow

Time of First Successful Submission: 2026-09-24 10:57:47

Your First Overflow (easy)

Time of First Successful Submission: 2026-09-25 15:09:27

Your First Overflow (hard)

Time of First Successful Submission: 2026-09-25 15:11:11

Precision (easy)

Time of First Successful Submission: 2026-09-25 15:16:32

Precision (hard)

Time of First Successful Submission: 2026-09-25 15:23:30

Variable Control (easy)

Time of First Successful Submission: 2026-09-25 15:29:11

Variable Control (hard)

Time of First Successful Submission: 2026-09-25 15:36:23

Control Hijack (easy)

Time of First Successful Submission: 2026-09-25 15:43:51

Control Hijack (hard)

Time of First Successful Submission: 2026-09-25 15:50:03

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-09-25 15:59:16

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-09-25 16:02:02

PIEs (easy)

Time of First Successful Submission: 2026-09-26 09:03:13

PIEs (hard)

Time of First Successful Submission: 2026-09-26 09:06:03

String Lengths (easy)

Time of First Successful Submission: 2026-09-26 09:20:06

String Lengths (hard)

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

Basic Shellcode

Time of First Successful Submission: 2026-09-26 10:02:36

NOP Sleds

Time of First Successful Submission: 2026-09-26 10:08:19

NULL-Free Shellcode

Time of First Successful Submission: 2026-09-26 10:15:49

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-09-26 14:01:03

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-09-26 14:04:33

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-09-26 14:13:30

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-09-26 14:27:46

ECB-to-Win (easy)

Time of First Successful Submission: 2026-09-26 14:39:58

ECB-to-Win (hard)

Time of First Successful Submission: 2026-09-26 14:49:51

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-09-26 14:58:28

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-09-26 15:51:55

CIMG Screenshots

Time of First Successful Submission: 2026-09-26 16:30:01

CIMG Screenshots 2

Time of First Successful Submission: 2026-09-26 17:02:58

Wily Webserver

Time of First Successful Submission: 2026-09-27 06:57:41

The Watering Hole

Time of First Successful Submission: 2026-09-27 07:16:33

Secure Chat 1

Time of First Successful Submission: 2026-09-27 07:26:56

Secure Chat 2

Time of First Successful Submission: 2026-09-27 07:47:23

Secure Chat 3

Time of First Successful Submission: 2026-09-27 07:59:29

Secure Chat 4

Time of First Successful Submission: 2026-09-27 08:18:06

Secure Chat 5

Time of First Successful Submission: 2026-09-27 08:35:55

Program Security

159 / 159 195 / 10810

ello ackers!

Time of First Successful Submission: 2026-09-28 09:05:50

Syscall Smuggler

Time of First Successful Submission: 2026-09-28 09:12:01

Syscall Shenanigans

Time of First Successful Submission: 2026-09-28 09:16:56

Byte Budget

Time of First Successful Submission: 2026-09-28 09:30:31

ClobberCode

Time of First Successful Submission: 2026-09-28 09:37:07

Diverse Delivery

Time of First Successful Submission: 2026-09-28 13:30:09

Pocket Payload

Time of First Successful Submission: 2026-09-28 13:31:41

Micro Menace

Time of First Successful Submission: 2026-09-28 14:06:04

Login Leakage (Easy)

Time of First Successful Submission: 2026-09-29 06:11:59

Login Leakage (Hard)

Time of First Successful Submission: 2026-09-29 06:15:47

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-09-29 06:29:46

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-09-29 06:35:41

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-09-29 06:42:01

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-09-29 06:45:10

Pointer Problems (Easy)

Time of First Successful Submission: 2026-09-29 06:52:04

Pointer Problems (Hard)

Time of First Successful Submission: 2026-09-29 07:01:46

Anomalous Array (Easy)

Time of First Successful Submission: 2026-09-29 07:08:07

Anomalous Array (Hard)

Time of First Successful Submission: 2026-09-29 07:13:55

Now you got it (Easy)

Time of First Successful Submission: 2026-09-29 07:26:19

Now you got it (Hard)

Time of First Successful Submission: 2026-09-29 07:35:05

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-09-29 07:47:19

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-09-29 07:51:51

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-09-29 08:00:35

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-09-29 08:05:57

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-09-29 08:15:24

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-09-29 08:23:37

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-09-29 08:33:18

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-09-29 08:39:39

Latent Leak (Easy)

Time of First Successful Submission: 2026-09-29 08:50:23

Latent Leak (Hard)

Time of First Successful Submission: 2026-09-29 09:10:56

Fork Foolery (Easy)

Time of First Successful Submission: 2026-09-29 09:25:00

Fork Foolery (Hard)

Time of First Successful Submission: 2026-09-29 09:30:46

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-09-30 06:17:37

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-09-30 06:29:33

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-09-30 06:39:46

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-09-30 06:43:23

Can It Fizz?

Time of First Successful Submission: 2026-09-30 07:00:17

Does It Buzz?

Time of First Successful Submission: 2026-09-30 07:12:24

Make It FizzBuzz

Time of First Successful Submission: 2026-09-30 07:37:52

Terrible Token (Easy)

Time of First Successful Submission: 2026-09-30 15:26:57

Terrible Token (Hard)

Time of First Successful Submission: 2026-09-30 15:28:52

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-09-30 15:32:15

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-09-30 15:35:05

Bit Bender

Time of First Successful Submission: 2026-09-30 15:46:27

Substitution Sorcery

Time of First Successful Submission: 2026-09-30 15:57:42

Meager Mangler (Easy)

Time of First Successful Submission: 2026-09-30 16:06:49

Meager Mangler (Hard)

Time of First Successful Submission: 2026-09-30 16:13:20

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-09-30 16:22:54

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-09-30 16:27:36

Patched Up (Easy)

Time of First Successful Submission: 2026-09-30 16:39:18

Patched Up (Hard)

Time of First Successful Submission: 2026-09-30 16:42:48

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-09-30 16:46:24

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-09-30 16:48:21

Patch Perfect (Easy)

Time of First Successful Submission: 2026-09-30 16:57:46

Patch Perfect (Hard)

Time of First Successful Submission: 2026-09-30 17:05:41

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-10-01 07:36:06

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-10-01 07:41:32

Know the Yancode (Easy)

Time of First Successful Submission: 2026-10-01 07:46:47

Know the Yancode (Hard)

Time of First Successful Submission: 2026-10-01 07:51:05

Master the Yancode (Easy)

Time of First Successful Submission: 2026-10-01 07:56:34

Master the Yancode (Hard)

Time of First Successful Submission: 2026-10-01 07:59:19

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-10-01 08:07:21

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-10-01 08:12:30

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-10-01 08:21:42

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-10-01 08:34:33

The Yangler (Easy)

Time of First Successful Submission: 2026-10-01 08:40:59

The Yangler (Hard)

Time of First Successful Submission: 2026-10-01 08:46:31

Yancraft (Easy)

Time of First Successful Submission: 2026-10-01 08:54:54

Yancraft (Hard)

Time of First Successful Submission: 2026-10-01 09:06:24

Yansanity (Easy)

Time of First Successful Submission: 2026-10-01 09:26:34

Yansanity (Hard)

Time of First Successful Submission: 2026-10-01 09:55:16

When the Cow Says Moo

Time of First Successful Submission: 2026-10-01 10:05:52

Predictable Migration

Time of First Successful Submission: 2026-10-01 19:04:45

Hashing Heifers

Time of First Successful Submission: 2026-10-01 19:15:54

Salty Stampede

Time of First Successful Submission: 2026-10-01 19:27:26

Loose Link (Easy)

Time of First Successful Submission: 2026-10-02 07:11:30

Loose Link (Hard)

Time of First Successful Submission: 2026-10-02 07:15:28

Call Chain (Easy)

Time of First Successful Submission: 2026-10-02 07:21:48

Call Chain (Hard)

Time of First Successful Submission: 2026-10-02 07:26:23

Chain of Command (Easy)

Time of First Successful Submission: 2026-10-02 07:30:12

Chain of Command (Hard)

Time of First Successful Submission: 2026-10-02 07:40:03

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-10-02 08:05:17

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-10-02 08:10:45

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-10-02 08:16:32

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-10-02 08:20:54

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-10-02 08:32:33

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-10-02 08:35:43

Leaky Libc (Easy)

Time of First Successful Submission: 2026-10-02 08:47:56

Leaky Libc (Hard)

Time of First Successful Submission: 2026-10-02 08:52:21

Putsception (Easy)

Time of First Successful Submission: 2026-10-02 09:00:04

Putsception (Hard)

Time of First Successful Submission: 2026-10-02 09:05:01

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-10-02 09:58:05

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-10-02 10:03:59

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-10-02 10:10:44

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-10-02 10:15:47

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-10-02 10:21:01

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-10-02 10:26:02

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-10-02 10:41:09

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-10-02 10:46:13

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-10-02 14:18:54

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-10-02 14:24:57

ROP Roulette (Easy)

Time of First Successful Submission: 2026-10-02 15:02:26

ROP Roulette (Hard)

Time of First Successful Submission: 2026-10-02 15:07:19

Libc Lottery (Easy)

Time of First Successful Submission: 2026-10-02 15:55:51

Libc Lottery (Hard)

Time of First Successful Submission: 2026-10-02 16:28:52

Freebie (Easy)

Time of First Successful Submission: 2026-10-05 11:28:40

Freebie (Hard)

Time of First Successful Submission: 2026-10-05 11:31:20

Freebin Feint (Easy)

Time of First Successful Submission: 2026-10-05 11:35:12

Freebin Feint (Hard)

Time of First Successful Submission: 2026-10-05 11:41:31

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-10-05 11:45:16

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-10-05 11:49:20

Fickle Free (Easy)

Time of First Successful Submission: 2026-10-06 09:50:22

Fickle Free (Hard)

Time of First Successful Submission: 2026-10-06 09:53:37

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-10-06 10:01:04

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-10-06 10:03:40

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-10-06 10:09:36

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-10-06 10:23:50

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-10-06 10:31:35

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-10-06 10:38:03

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-10-06 14:06:32

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-10-06 14:09:45

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-10-06 14:13:35

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-10-06 14:16:07

Sus Sequence (Easy)

Time of First Successful Submission: 2026-10-06 14:24:25

Sus Sequence (Hard)

Time of First Successful Submission: 2026-10-06 14:25:41

Echo Emanations (Easy)

Time of First Successful Submission: 2026-10-06 15:03:20

Echo Emanations (Hard)

Time of First Successful Submission: 2026-10-06 15:03:55

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-10-06 15:10:40

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-10-06 15:13:38

Stack Summoning (Easy)

Time of First Successful Submission: 2026-10-06 15:30:46

Stack Summoning (Hard)

Time of First Successful Submission: 2026-10-06 15:35:02

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-10-07 07:50:08

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-10-07 07:58:51

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-10-07 08:12:45

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-10-07 08:23:10

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-10-07 08:33:10

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-10-07 09:02:02

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-10-07 09:06:07

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-10-07 09:11:22

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-10-07 09:16:16

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-10-07 09:18:48

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-10-07 09:23:02

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-10-07 09:27:52

Tcache Terror (Easy)

Time of First Successful Submission: 2026-10-07 09:31:15

Tcache Terror (Hard)

Time of First Successful Submission: 2026-10-07 09:47:02

Containment Composition (Easy)

Time of First Successful Submission: 2026-10-07 16:07:01

Containment Composition (Hard)

Time of First Successful Submission: 2026-10-07 16:19:23

Constant Corruption (Easy)

Time of First Successful Submission: 2026-10-07 16:28:13

Constant Corruption (Hard)

Time of First Successful Submission: 2026-10-07 16:31:41

Return to YanLand (Easy)

Time of First Successful Submission: 2026-10-07 16:50:21

Return to YanLand (Hard)

Time of First Successful Submission: 2026-10-07 16:57:13

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-10-07 17:08:28

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-10-07 17:28:48

The YanFilter (Easy)

Time of First Successful Submission: 2026-10-07 17:35:24

The YanFilter (Hard)

Time of First Successful Submission: 2026-10-07 17:50:19

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-10-07 18:49:39

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-10-07 18:55:20

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-10-07 19:10:47

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-10-07 19:16:11

System Security

93 / 93 203 / 3857

chroot-escape-basic

Time of First Successful Submission: 2026-10-08 15:57:24

chroot-shellcode

Time of First Successful Submission: 2026-10-08 16:03:47

chroot-proper

Time of First Successful Submission: 2026-10-08 16:05:34

seccomp-basic

Time of First Successful Submission: 2026-10-09 07:19:54

seccomp-linkat

Time of First Successful Submission: 2026-10-09 07:22:48

seccomp-fchdir

Time of First Successful Submission: 2026-10-09 07:26:54

seccomp-rechroot

Time of First Successful Submission: 2026-10-09 07:40:03

seccomp-only

Time of First Successful Submission: 2026-10-09 07:44:21

seccomp-arch32

Time of First Successful Submission: 2026-10-09 07:47:24

seccomp-minimal

Time of First Successful Submission: 2026-10-09 07:50:04

seccomp-timebased

Time of First Successful Submission: 2026-10-09 08:03:17

seccomp-readonly

Time of First Successful Submission: 2026-10-09 08:07:46

process-isolation

Time of First Successful Submission: 2026-10-09 08:11:02

mount-namespace

Time of First Successful Submission: 2026-10-09 12:13:18

mount-cleanup

Time of First Successful Submission: 2026-10-09 12:21:26

mount-readonly

Time of First Successful Submission: 2026-10-09 12:23:42

mount-shellcode

Time of First Successful Submission: 2026-10-09 12:26:43

mount-bindmount

Time of First Successful Submission: 2026-10-09 12:40:20

level1.0

Time of First Successful Submission: 2026-10-15 08:27:57

level1.1

Time of First Successful Submission: 2026-10-15 08:35:00

level2.0

Time of First Successful Submission: 2026-10-16 06:49:08

level2.1

Time of First Successful Submission: 2026-10-16 06:59:27

level3.0

Time of First Successful Submission: 2026-10-16 07:05:42

level3.1

Time of First Successful Submission: 2026-10-16 07:07:40

level4.0

Time of First Successful Submission: 2026-10-16 07:10:43

level4.1

Time of First Successful Submission: 2026-10-16 07:13:06

level5.0

Time of First Successful Submission: 2026-10-16 07:16:42

level5.1

Time of First Successful Submission: 2026-10-16 07:19:04

level6.0

Time of First Successful Submission: 2026-10-16 07:22:28

level6.1

Time of First Successful Submission: 2026-10-16 07:24:25

level7.0

Time of First Successful Submission: 2026-10-16 07:29:36

level7.1

Time of First Successful Submission: 2026-10-16 07:37:47

level8.0

Time of First Successful Submission: 2026-10-16 07:41:15

level8.1

Time of First Successful Submission: 2026-10-16 07:43:37

level9.0

Time of First Successful Submission: 2026-10-16 07:48:21

level9.1

Time of First Successful Submission: 2026-10-16 07:53:13

level10.0

Time of First Successful Submission: 2026-10-16 07:57:41

level10.1

Time of First Successful Submission: 2026-10-16 08:01:05

level11.0

Time of First Successful Submission: 2026-10-16 08:04:30

level11.1

Time of First Successful Submission: 2026-10-16 08:37:53

level1.0

Time of First Successful Submission: 2026-10-11 20:55:12

level1.1

Time of First Successful Submission: 2026-10-11 21:06:48

level2.0

Time of First Successful Submission: 2026-10-11 21:11:54

level2.1

Time of First Successful Submission: 2026-10-11 21:16:10

level3.0

Time of First Successful Submission: 2026-10-11 21:20:28

level3.1

Time of First Successful Submission: 2026-10-11 21:23:21

level4.0

Time of First Successful Submission: 2026-10-11 21:26:14

level4.1

Time of First Successful Submission: 2026-10-11 21:28:52

level5.0

Time of First Successful Submission: 2026-10-11 21:43:11

level5.1

Time of First Successful Submission: 2026-10-11 21:46:49

level6.0

Time of First Successful Submission: 2026-10-12 08:02:27

level6.1

Time of First Successful Submission: 2026-10-12 08:06:03

level7.0

Time of First Successful Submission: 2026-10-12 08:26:53

level7.1

Time of First Successful Submission: 2026-10-12 08:27:51

level8.0

Time of First Successful Submission: 2026-10-12 08:47:41

level8.1

Time of First Successful Submission: 2026-10-12 08:57:30

level9.0

Time of First Successful Submission: 2026-10-12 09:04:35

level9.1

Time of First Successful Submission: 2026-10-12 09:05:36

level10.0

Time of First Successful Submission: 2026-10-12 09:13:26

level10.1

Time of First Successful Submission: 2026-10-12 09:20:07

level11.0

Time of First Successful Submission: 2026-10-12 09:25:04

level11.1

Time of First Successful Submission: 2026-10-12 09:26:43

level12.0

Time of First Successful Submission: 2026-10-12 09:55:19

level12.1

Time of First Successful Submission: 2026-10-12 09:57:47

Baby Spectre 1

Time of First Successful Submission: 2026-10-12 16:53:34

Baby Spectre 2

Time of First Successful Submission: 2026-10-12 16:59:59

Baby Spectre 3

Time of First Successful Submission: 2026-10-12 17:03:27

Baby Spectre 4

Time of First Successful Submission: 2026-10-12 17:07:33

Baby Spectre 5

Time of First Successful Submission: 2026-10-12 17:26:13

Prefetch Peek

Time of First Successful Submission: 2026-10-12 17:31:35

Spooky Spectre 1

Time of First Successful Submission: 2026-10-12 17:42:25

Spooky Spectre 2

Time of First Successful Submission: 2026-10-12 17:46:15

Yan85 Reloaded

Time of First Successful Submission: 2026-10-13 07:50:52

Ghost in the YPU 1

Time of First Successful Submission: 2026-10-13 08:03:04

Ghost in the YPU 2

Time of First Successful Submission: 2026-10-13 08:12:48

Molten Access

Time of First Successful Submission: 2026-10-13 08:16:18

Molten Walk

Time of First Successful Submission: 2026-10-13 08:20:24

level1.0

Time of First Successful Submission: 2026-10-17 10:09:44

level1.1

Time of First Successful Submission: 2026-10-17 10:15:31

level2.0

Time of First Successful Submission: 2026-10-17 10:21:03

level2.1

Time of First Successful Submission: 2026-10-17 10:35:08

level3.0

Time of First Successful Submission: 2026-10-17 10:41:39

level3.1

Time of First Successful Submission: 2026-10-20 06:50:54

level4.0

Time of First Successful Submission: 2026-10-20 06:58:08

level4.1

Time of First Successful Submission: 2026-10-20 07:03:38

level5.0

Time of First Successful Submission: 2026-10-20 07:11:45

level5.1

Time of First Successful Submission: 2026-10-20 07:16:57

level6.0

Time of First Successful Submission: 2026-10-20 07:23:44

level6.1

Time of First Successful Submission: 2026-10-20 07:31:50

level7.0

Time of First Successful Submission: 2026-10-20 07:42:13

level7.1

Time of First Successful Submission: 2026-10-20 07:49:57

level8.0

Time of First Successful Submission: 2026-10-20 11:04:45

level8.1

Time of First Successful Submission: 2026-10-20 10:55:41

Software Exploitation

12 / 90 986 / 2673

Level1.0

Time of First Successful Submission: 2026-10-17 08:58:15

Level1.1

Time of First Successful Submission: 2026-10-17 09:01:02

Level2.0

Time of First Successful Submission: 2026-10-17 09:08:42

Level2.1

Time of First Successful Submission: 2026-10-17 09:14:09

Level3.0

Time of First Successful Submission: 2026-10-17 09:17:54

Level3.1

Time of First Successful Submission: 2026-10-17 09:26:05

Level4.0

Time of First Successful Submission: 2026-10-17 09:32:29

Level4.1

Time of First Successful Submission: 2026-10-17 09:35:52

Level5.0

Time of First Successful Submission: 2026-10-17 09:38:53

Level5.1

Time of First Successful Submission: 2026-10-17 09:41:06

Level6.0

Time of First Successful Submission: 2026-10-17 09:45:38

Level6.1

Time of First Successful Submission: 2026-10-17 09:49:06

Start Here

10 / 10 9223 / 72165

Using the Terminal

Time of First Successful Submission: 2026-02-24 16:22:07

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-24 16:24:40

Using the GUI Desktop

Time of First Successful Submission: 2026-02-24 16:30:39

Pasting into the Desktop

Time of First Successful Submission: 2026-02-24 16:36:13

Restarting Challenges

Time of First Successful Submission: 2026-02-24 16:39:39

Challenge Programs

Time of First Successful Submission: 2026-02-24 16:43:23

The Flag File

Time of First Successful Submission: 2026-02-24 16:45:29

Using Privileged Mode

Time of First Successful Submission: 2026-02-24 16:58:03

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-24 17:04:15

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-24 17:05:45

Linux Luminarium

128 / 128 2232 / 52789

Intro to Commands

Time of First Successful Submission: 2026-02-24 17:21:23

Intro to Arguments

Time of First Successful Submission: 2026-02-24 17:22:37

Command History

Time of First Successful Submission: 2026-02-24 17:23:30

The Root

Time of First Successful Submission: 2026-02-24 18:19:47

Program and absolute paths

Time of First Successful Submission: 2026-02-24 18:20:46

Position thy self

Time of First Successful Submission: 2026-02-24 18:22:16

Position elsewhere

Time of First Successful Submission: 2026-02-24 18:24:15

implicit relative paths, from /

Time of First Successful Submission: 2026-02-24 18:26:55

explicit relative paths, from /

Time of First Successful Submission: 2026-02-24 18:28:32

implicit relative path

Time of First Successful Submission: 2026-02-24 18:29:55

home sweet home

Time of First Successful Submission: 2026-02-24 18:42:04

cat: not the pet, but the command!

Time of First Successful Submission: 2026-02-24 18:44:15

catting absolute paths

Time of First Successful Submission: 2026-02-24 18:45:06

more catting practice

Time of First Successful Submission: 2026-02-24 18:48:20

grepping for a needle in a haystack

Time of First Successful Submission: 2026-02-24 18:49:47

comparing files

Time of First Successful Submission: 2026-02-24 18:51:18

listing files

Time of First Successful Submission: 2026-02-24 18:52:50

touching files

Time of First Successful Submission: 2026-02-24 18:56:28

removing files

Time of First Successful Submission: 2026-02-24 18:57:36

moving files

Time of First Successful Submission: 2026-02-24 19:00:06

copying files

Time of First Successful Submission: 2026-02-24 19:01:20

hidden files

Time of First Successful Submission: 2026-02-24 19:02:37

An Epic Filesystem Quest

Time of First Successful Submission: 2026-02-24 19:14:11

making directories

Time of First Successful Submission: 2026-02-24 19:16:01

finding files

Time of First Successful Submission: 2026-02-24 19:24:43

linking files

Time of First Successful Submission: 2026-02-24 19:51:18

Learning From Documentation

Time of First Successful Submission: 2026-02-25 07:57:34

Learning Complex Usage

Time of First Successful Submission: 2026-02-25 08:03:03

Reading Manuals

Time of First Successful Submission: 2026-02-25 08:07:34

Searching Manuals

Time of First Successful Submission: 2026-02-25 08:12:09

Searching For Manuals

Time of First Successful Submission: 2026-02-25 08:22:26

Helpful Programs

Time of First Successful Submission: 2026-02-25 08:29:16

Help for Builtins

Time of First Successful Submission: 2026-02-25 08:33:51

Matching with *

Time of First Successful Submission: 2026-02-25 08:36:41

Matching with ?

Time of First Successful Submission: 2026-02-25 08:37:51

Matching with []

Time of First Successful Submission: 2026-02-25 08:39:52

Matching paths with []

Time of First Successful Submission: 2026-02-25 08:42:53

Multiple globs

Time of First Successful Submission: 2026-02-25 08:44:48

Mixing globs

Time of First Successful Submission: 2026-02-25 08:49:51

Exclusionary globbing

Time of First Successful Submission: 2026-02-25 09:18:50

Tab completion

Time of First Successful Submission: 2026-02-25 09:20:51

Multiple options for tab completion

Time of First Successful Submission: 2026-02-25 09:26:28

Tab completion on commands

Time of First Successful Submission: 2026-02-25 09:27:26

Redirecting output

Time of First Successful Submission: 2026-02-25 09:29:28

Redirecting more output

Time of First Successful Submission: 2026-02-25 09:33:15

Appending output

Time of First Successful Submission: 2026-02-25 09:35:41

Redirecting errors

Time of First Successful Submission: 2026-02-25 09:38:55

Redirecting input

Time of First Successful Submission: 2026-02-25 09:40:57

Grepping stored results

Time of First Successful Submission: 2026-02-25 09:47:43

Grepping live output

Time of First Successful Submission: 2026-02-25 09:49:15

Grepping errors

Time of First Successful Submission: 2026-02-25 09:53:35

Filtering with grep -v

Time of First Successful Submission: 2026-02-25 09:55:15

Filtering with sed

Time of First Successful Submission: 2026-02-25 09:58:17

Duplicating piped data with tee

Time of First Successful Submission: 2026-02-25 10:19:59

Process substitution for input

Time of First Successful Submission: 2026-02-25 10:26:11

Writing to multiple programs

Time of First Successful Submission: 2026-02-25 10:32:15

Split-piping stderr and stdout

Time of First Successful Submission: 2026-02-25 10:43:55

Named pipes

Time of First Successful Submission: 2026-02-25 10:51:45

Printing Variables

Time of First Successful Submission: 2026-02-25 19:22:51

Setting Variables

Time of First Successful Submission: 2026-02-25 19:24:24

Multi-word Variables

Time of First Successful Submission: 2026-02-25 19:26:19

Exporting Variables

Time of First Successful Submission: 2026-02-25 19:29:26

Printing Exported Variables

Time of First Successful Submission: 2026-02-25 19:30:43

Storing Command Output

Time of First Successful Submission: 2026-02-25 19:32:21

Reading Input

Time of First Successful Submission: 2026-02-25 19:34:01

Reading Files

Time of First Successful Submission: 2026-02-25 19:36:13

Translating characters

Time of First Successful Submission: 2026-02-25 19:39:32

Deleting characters

Time of First Successful Submission: 2026-02-25 19:40:39

Deleting newlines

Time of First Successful Submission: 2026-02-25 19:42:15

Extracting the first lines with head

Time of First Successful Submission: 2026-02-25 19:43:30

Extracting specific sections of text

Time of First Successful Submission: 2026-02-25 19:48:50

Sorting data

Time of First Successful Submission: 2026-02-25 19:49:59

Listing Processes

Time of First Successful Submission: 2026-02-25 19:54:47

Killing Processes

Time of First Successful Submission: 2026-02-25 19:57:46

Interrupting Processes

Time of First Successful Submission: 2026-02-25 19:58:31

Killing Misbehaving Processes

Time of First Successful Submission: 2026-02-25 20:04:31

Suspending Processes

Time of First Successful Submission: 2026-02-25 20:05:53

Resuming Processes

Time of First Successful Submission: 2026-02-25 20:06:43

Backgrounding Processes

Time of First Successful Submission: 2026-02-25 20:08:21

Foregrounding Processes

Time of First Successful Submission: 2026-02-25 20:09:53

Starting Backgrounded Processes

Time of First Successful Submission: 2026-02-25 20:11:03

Process Exit Codes

Time of First Successful Submission: 2026-02-25 20:14:37

Becoming root with su

Time of First Successful Submission: 2026-02-25 20:20:38

Other users with su

Time of First Successful Submission: 2026-02-25 20:21:39

Cracking passwords

Time of First Successful Submission: 2026-02-25 20:29:41

Using sudo

Time of First Successful Submission: 2026-02-25 20:31:42

Changing File Ownership

Time of First Successful Submission: 2026-02-26 09:01:40

Groups and Files

Time of First Successful Submission: 2026-02-26 09:04:06

Fun With Groups Names

Time of First Successful Submission: 2026-02-26 09:05:47

Changing Permissions

Time of First Successful Submission: 2026-02-26 09:11:08

Executable Files

Time of First Successful Submission: 2026-02-26 09:14:02

Permission Tweaking Practice

Time of First Successful Submission: 2026-02-26 09:20:25

Permissions Setting Practice

Time of First Successful Submission: 2026-02-26 09:26:09

The SUID Bit

Time of First Successful Submission: 2026-02-26 09:28:39

Chaining with Semicolons

Time of First Successful Submission: 2026-02-26 09:30:10

Building on Success

Time of First Successful Submission: 2026-02-26 09:31:36

Handling Failure

Time of First Successful Submission: 2026-02-26 09:32:45

Your First Shell Script

Time of First Successful Submission: 2026-02-26 09:35:29

Redirecting Script Output

Time of First Successful Submission: 2026-02-26 09:57:49

Executable Shell Scripts

Time of First Successful Submission: 2026-02-26 10:00:10

Understanding Shebangs

Time of First Successful Submission: 2026-02-26 10:04:23

Scripting with Arguments

Time of First Successful Submission: 2026-02-26 10:07:45

Scripting with Conditionals

Time of First Successful Submission: 2026-02-26 10:11:17

Scripting with Default Cases

Time of First Successful Submission: 2026-02-26 10:12:52

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-02-26 10:15:22

Reading Shell Scripts

Time of First Successful Submission: 2026-02-26 10:17:43

Launching Screen

Time of First Successful Submission: 2026-02-26 16:25:47

Detaching and Attaching

Time of First Successful Submission: 2026-02-26 16:27:46

Finding Sessions

Time of First Successful Submission: 2026-02-26 16:29:29

Switching Windows

Time of First Successful Submission: 2026-02-26 16:31:15

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-02-26 16:32:40

Switching Windows (tmux)

Time of First Successful Submission: 2026-02-26 16:33:58

The PATH Variable

Time of First Successful Submission: 2026-02-26 16:37:09

Setting PATH

Time of First Successful Submission: 2026-02-26 16:41:11

Finding Commands

Time of First Successful Submission: 2026-02-26 16:43:36

Adding Commands

Time of First Successful Submission: 2026-02-26 16:59:42

Hijacking Commands

Time of First Successful Submission: 2026-02-26 17:04:23

Bashrc Backdoor

Time of First Successful Submission: 2026-02-26 17:11:46

Sniffing Input

Time of First Successful Submission: 2026-02-26 17:34:34

Overshared Directories

Time of First Successful Submission: 2026-02-26 17:40:42

Tricky Linking

Time of First Successful Submission: 2026-02-27 08:35:08

Sniffing Process Arguments

Time of First Successful Submission: 2026-02-27 08:37:35

Snooping on Configurations

Time of First Successful Submission: 2026-02-27 08:40:24

The Fork Bomb

Time of First Successful Submission: 2026-02-27 08:52:36

Disk-Space Doomsday

Time of First Successful Submission: 2026-02-27 08:55:01

rm -rf /

Time of First Successful Submission: 2026-02-27 08:59:53

Life after rm -rf /

Time of First Successful Submission: 2026-02-27 09:05:26

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-02-27 09:08:42

Computing 101

132 / 132 292 / 25342

Your First Register

Time of First Successful Submission: 2026-09-07 10:21:17

Your First Syscall

Time of First Successful Submission: 2026-09-07 10:23:55

Exit Codes

Time of First Successful Submission: 2026-09-07 10:25:24

Building Executables

Time of First Successful Submission: 2026-09-07 10:32:36

Moving Between Registers

Time of First Successful Submission: 2026-09-07 10:35:23

Loading From Memory

Time of First Successful Submission: 2026-09-07 13:21:27

More Loading Practice

Time of First Successful Submission: 2026-09-07 13:23:32

Dereferencing Pointers

Time of First Successful Submission: 2026-09-07 13:27:03

Dereferencing Yourself

Time of First Successful Submission: 2026-09-07 13:29:22

Dereferencing with Offsets

Time of First Successful Submission: 2026-09-07 13:31:35

Stored Addresses

Time of First Successful Submission: 2026-09-07 13:36:32

Double Dereference

Time of First Successful Submission: 2026-09-07 13:39:48

The Stack

Time of First Successful Submission: 2026-09-07 13:42:42

Stack Offsets

Time of First Successful Submission: 2026-09-07 13:44:41

Program Arguments on the Stack

Time of First Successful Submission: 2026-09-07 13:48:17

Popping From the Stack

Time of First Successful Submission: 2026-09-07 13:52:21

Negative Numbers

Time of First Successful Submission: 2026-09-07 15:02:51

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-09-07 15:07:36

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-09-07 15:09:16

Encoding Negatives

Time of First Successful Submission: 2026-09-07 15:12:10

Binary and Hex Encoding

Time of First Successful Submission: 2026-09-07 15:13:55

More Hex

Time of First Successful Submission: 2026-09-07 15:16:40

Decoding Hex

Time of First Successful Submission: 2026-09-07 15:18:06

Mixed Conversions

Time of First Successful Submission: 2026-09-07 15:24:18

Disassembling Programs

Time of First Successful Submission: 2026-09-07 19:03:49

Tracing Syscalls

Time of First Successful Submission: 2026-09-07 19:06:14

Starting GDB

Time of First Successful Submission: 2026-09-07 19:07:43

Quitting GDB

Time of First Successful Submission: 2026-09-07 19:08:51

Starting Programs in GDB

Time of First Successful Submission: 2026-09-07 19:10:36

Disassembling in GDB

Time of First Successful Submission: 2026-09-07 19:12:37

Stepping Through Instructions

Time of First Successful Submission: 2026-09-07 19:14:44

Reading Register Values

Time of First Successful Submission: 2026-09-07 19:16:12

Setting Register Values

Time of First Successful Submission: 2026-09-07 19:17:40

Popping Stack Values

Time of First Successful Submission: 2026-09-07 19:20:26

Examining Memory

Time of First Successful Submission: 2026-09-07 19:22:35

Examining Stack Pointers

Time of First Successful Submission: 2026-09-07 19:26:21

Cooperative Debugging

Time of First Successful Submission: 2026-09-07 19:30:36

Running with Arguments

Time of First Successful Submission: 2026-09-07 19:31:54

Redirecting Input in GDB

Time of First Successful Submission: 2026-09-07 19:35:17

Writing Output

Time of First Successful Submission: 2026-09-07 19:50:38

Chaining Syscalls

Time of First Successful Submission: 2026-09-07 19:52:27

Writing Strings

Time of First Successful Submission: 2026-09-07 19:53:41

Reading Data

Time of First Successful Submission: 2026-09-07 20:01:50

Reading Exactly

Time of First Successful Submission: 2026-09-07 20:05:21

Opening Files

Time of First Successful Submission: 2026-09-07 20:08:50

Hardcoding the Filename

Time of First Successful Submission: 2026-09-07 20:13:11

RIP-Relative Strings

Time of First Successful Submission: 2026-09-07 20:19:04

Comparing Values

Time of First Successful Submission: 2026-09-08 08:52:23

Comparing Characters

Time of First Successful Submission: 2026-09-08 08:55:11

Conditional Control Flow

Time of First Successful Submission: 2026-09-08 08:59:38

Comparing Strings

Time of First Successful Submission: 2026-09-08 09:03:24

Reverse the Password

Time of First Successful Submission: 2026-09-08 09:07:39

Conditionals Without Conditionals

Time of First Successful Submission: 2026-09-08 09:36:56

Recognizing Loops

Time of First Successful Submission: 2026-09-08 09:43:27

Writing Loops

Time of First Successful Submission: 2026-09-08 09:57:56

Writing From a Shared Library

Time of First Successful Submission: 2026-09-08 10:14:10

Returning a Value

Time of First Successful Submission: 2026-09-08 10:18:31

Calling Through a Pointer

Time of First Successful Submission: 2026-09-08 10:20:00

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-09-08 10:24:08

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-09-08 10:34:25

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-09-08 10:39:56

Sign Extension

Time of First Successful Submission: 2026-09-08 11:42:09

Little-Endian Bytes

Time of First Successful Submission: 2026-09-08 11:45:32

Qword by Qword

Time of First Successful Submission: 2026-09-08 11:48:34

Dword by Dword

Time of First Successful Submission: 2026-09-08 11:52:55

Word by Word

Time of First Successful Submission: 2026-09-08 11:55:59

Byte by Byte

Time of First Successful Submission: 2026-09-08 11:58:10

Cracking a Struct

Time of First Successful Submission: 2026-09-08 12:01:50

Scrambled Struct

Time of First Successful Submission: 2026-09-08 12:05:22

Reverse the Calculation

Time of First Successful Submission: 2026-09-08 12:28:57

Reverse the Reverse

Time of First Successful Submission: 2026-09-08 12:30:41

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-09-08 12:34:00

Even or Odd

Time of First Successful Submission: 2026-09-08 12:44:37

Masking Bits

Time of First Successful Submission: 2026-09-08 12:51:10

Lowercase a String

Time of First Successful Submission: 2026-09-08 12:57:51

Uppercase a String

Time of First Successful Submission: 2026-09-08 13:11:43

Swap Case

Time of First Successful Submission: 2026-09-08 13:30:07

Shifting Left

Time of First Successful Submission: 2026-09-08 13:41:05

Shifting Right

Time of First Successful Submission: 2026-09-08 13:48:10

Loops on Data

Time of First Successful Submission: 2026-09-08 13:51:18

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-09-08 14:50:38

Loading Stale Stack Data

Time of First Successful Submission: 2026-09-08 14:58:13

Stealing Stale Stack Data

Time of First Successful Submission: 2026-09-08 15:02:16

Reserving Your Own Frame

Time of First Successful Submission: 2026-09-08 15:10:20

Using Your Own Frame

Time of First Successful Submission: 2026-09-08 15:32:28

Environment Variables on the Stack

Time of First Successful Submission: 2026-09-08 15:40:18

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-09-08 15:47:06

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-09-08 16:28:33

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-09-08 16:24:31

A Single Digit

Time of First Successful Submission: 2026-09-09 08:53:52

Two Digits

Time of First Successful Submission: 2026-09-09 09:03:23

String to Integer

Time of First Successful Submission: 2026-09-09 09:29:37

Negative Numbers

Time of First Successful Submission: 2026-09-09 09:41:04

Where the Number Ends

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

A Whole Program

Time of First Successful Submission: 2026-09-09 09:52:51

A Single Digit, Back to Text

Time of First Successful Submission: 2026-09-09 10:01:11

Divide and Remainder

Time of First Successful Submission: 2026-09-09 10:15:32

Drop the Leading Zero

Time of First Successful Submission: 2026-09-09 10:25:02

Integer to String

Time of First Successful Submission: 2026-09-09 10:34:47

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-09-09 10:53:36

Sum Them All

Time of First Successful Submission: 2026-09-09 11:04:45

Addition

Time of First Successful Submission: 2026-09-09 14:33:30

Subtraction

Time of First Successful Submission: 2026-09-09 14:47:04

Multiplication

Time of First Successful Submission: 2026-09-09 14:49:48

Bitwise Operators

Time of First Successful Submission: 2026-09-09 14:54:13

Unary Operators

Time of First Successful Submission: 2026-09-09 15:19:46

Literal Output

Time of First Successful Submission: 2026-09-10 12:03:41

Newline Escapes

Time of First Successful Submission: 2026-09-10 12:14:06

Escaped Syntax

Time of First Successful Submission: 2026-09-10 12:20:23

Decimal Markers

Time of First Successful Submission: 2026-09-10 12:30:16

Multiple Decimal Markers

Time of First Successful Submission: 2026-09-10 12:39:59

String Markers

Time of First Successful Submission: 2026-09-10 13:10:41

Hex Byte Escapes

Time of First Successful Submission: 2026-09-10 13:51:24

Debugging Programs

Time of First Successful Submission: 2026-09-10 19:39:02

Inspecting Registers

Time of First Successful Submission: 2026-09-10 19:42:33

Examining Memory

Time of First Successful Submission: 2026-09-10 19:57:56

Setting Breakpoints

Time of First Successful Submission: 2026-09-10 20:09:30

GDB Scripting

Time of First Successful Submission: 2026-09-10 20:45:56

Modifying Data

Time of First Successful Submission: 2026-09-10 21:22:34

Modifying Execution

Time of First Successful Submission: 2026-09-10 21:28:01

Broken Functions

Time of First Successful Submission: 2026-09-10 21:43:53

Exit

Time of First Successful Submission: 2026-09-11 07:33:07

Socket

Time of First Successful Submission: 2026-09-11 07:43:38

Bind

Time of First Successful Submission: 2026-09-11 07:49:54

Listen

Time of First Successful Submission: 2026-09-11 07:53:34

Accept

Time of First Successful Submission: 2026-09-11 07:55:48

Static Response

Time of First Successful Submission: 2026-09-11 08:05:29

Dynamic Response

Time of First Successful Submission: 2026-09-11 08:15:02

Iterative GET Server

Time of First Successful Submission: 2026-09-11 08:21:16

Concurrent GET Server

Time of First Successful Submission: 2026-09-11 08:24:58

Concurrent POST Server

Time of First Successful Submission: 2026-09-11 08:31:06

Web Server

Time of First Successful Submission: 2026-09-11 08:32:56

Playing With Programs

116 / 116 1245 / 27000

What's the password?

Time of First Successful Submission: 2026-09-11 17:04:38

... and again!

Time of First Successful Submission: 2026-09-11 17:05:21

Newline Troubles

Time of First Successful Submission: 2026-09-11 17:07:47

Reasoning about files

Time of First Successful Submission: 2026-09-11 17:12:43

Specifying Filenames

Time of First Successful Submission: 2026-09-11 17:13:53

Binary and Hex Encoding

Time of First Successful Submission: 2026-09-11 17:18:39

More Hex

Time of First Successful Submission: 2026-09-11 17:19:48

Decoding Hex

Time of First Successful Submission: 2026-09-11 17:27:19

Decoding Practice

Time of First Successful Submission: 2026-09-11 17:33:25

Encoding Practice

Time of First Successful Submission: 2026-09-11 17:37:32

Hex-encoding ASCII

Time of First Successful Submission: 2026-09-11 17:45:01

Nested Encoding

Time of First Successful Submission: 2026-09-11 17:54:01

Hex-encoding UTF-8

Time of First Successful Submission: 2026-09-11 17:58:03

UTF Mixups

Time of First Successful Submission: 2026-09-11 18:02:14

Modifying Encoded Data

Time of First Successful Submission: 2026-09-11 18:08:50

Decoding Base64

Time of First Successful Submission: 2026-09-11 18:32:27

Encoding Base64

Time of First Successful Submission: 2026-09-11 18:37:31

Dealing with Obfuscation

Time of First Successful Submission: 2026-09-11 18:40:47

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-09-11 19:15:08

Your First HTTP Request

Time of First Successful Submission: 2026-09-12 07:36:13

Reading Flask

Time of First Successful Submission: 2026-09-12 07:48:11

Commented Data

Time of First Successful Submission: 2026-09-12 07:51:11

HTTP Metadata

Time of First Successful Submission: 2026-09-12 07:55:29

HTTP (netcat)

Time of First Successful Submission: 2026-09-12 08:01:36

HTTP Paths (netcat)

Time of First Successful Submission: 2026-09-12 08:05:06

HTTP (curl)

Time of First Successful Submission: 2026-09-12 08:08:47

HTTP (python)

Time of First Successful Submission: 2026-09-12 08:13:22

HTTP Host Header (python)

Time of First Successful Submission: 2026-09-12 08:17:27

HTTP Host Header (curl)

Time of First Successful Submission: 2026-09-12 08:20:42

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-09-12 08:23:13

URL Encoding (netcat)

Time of First Successful Submission: 2026-09-12 08:35:27

HTTP GET Parameters

Time of First Successful Submission: 2026-09-12 08:37:13

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-09-12 08:39:05

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-09-12 08:41:06

HTTP Forms

Time of First Successful Submission: 2026-09-12 08:44:47

HTTP Forms (curl)

Time of First Successful Submission: 2026-09-12 08:46:16

HTTP Forms (netcat)

Time of First Successful Submission: 2026-09-12 08:47:59

HTTP Forms (python)

Time of First Successful Submission: 2026-09-12 08:51:26

HTTP Forms Without Forms

Time of First Successful Submission: 2026-09-12 08:52:58

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-09-12 08:57:19

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-09-12 08:59:14

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-09-12 18:31:57

HTTP Redirects (curl)

Time of First Successful Submission: 2026-09-12 18:35:05

HTTP Redirects (python)

Time of First Successful Submission: 2026-09-12 18:38:13

HTTP Cookies (curl)

Time of First Successful Submission: 2026-09-12 18:40:04

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-09-12 18:50:35

HTTP Cookies (python)

Time of First Successful Submission: 2026-09-12 18:56:19

Server State (python)

Time of First Successful Submission: 2026-09-12 18:58:45

Listening Web

Time of First Successful Submission: 2026-09-12 19:01:25

Speaking Redirects

Time of First Successful Submission: 2026-09-12 19:04:38

JavaScript Redirects

Time of First Successful Submission: 2026-09-12 19:16:05

Including JavaScript

Time of First Successful Submission: 2026-09-12 19:32:32

HTTP (javascript)

Time of First Successful Submission: 2026-09-12 19:36:52

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-09-12 19:45:12

HTTP Forms (javascript)

Time of First Successful Submission: 2026-09-12 19:48:14

cat

Time of First Successful Submission: 2026-09-15 08:36:16

more

Time of First Successful Submission: 2026-09-15 08:37:22

less

Time of First Successful Submission: 2026-09-15 08:38:08

tail

Time of First Successful Submission: 2026-09-15 08:39:02

head

Time of First Successful Submission: 2026-09-15 08:40:39

sort

Time of First Successful Submission: 2026-09-15 08:42:07

vim

Time of First Successful Submission: 2026-09-15 08:42:58

emacs

Time of First Successful Submission: 2026-09-15 08:43:45

nano

Time of First Successful Submission: 2026-09-15 08:44:24

rev

Time of First Successful Submission: 2026-09-15 08:45:28

od

Time of First Successful Submission: 2026-09-15 08:51:37

hd

Time of First Successful Submission: 2026-09-15 08:53:49

xxd

Time of First Successful Submission: 2026-09-15 08:54:40

base32

Time of First Successful Submission: 2026-09-15 08:57:18

base64

Time of First Successful Submission: 2026-09-15 08:57:56

split

Time of First Successful Submission: 2026-09-15 09:01:00

gzip

Time of First Successful Submission: 2026-09-15 09:05:33

bzip2

Time of First Successful Submission: 2026-09-15 09:06:14

zip

Time of First Successful Submission: 2026-09-15 09:09:36

tar

Time of First Successful Submission: 2026-09-15 09:10:57

ar

Time of First Successful Submission: 2026-09-15 09:11:35

cpio

Time of First Successful Submission: 2026-09-15 09:17:56

genisoimage

Time of First Successful Submission: 2026-09-15 09:20:04

env

Time of First Successful Submission: 2026-09-15 09:21:33

find

Time of First Successful Submission: 2026-09-15 09:23:03

make

Time of First Successful Submission: 2026-09-15 09:24:58

nice

Time of First Successful Submission: 2026-09-15 09:25:52

timeout

Time of First Successful Submission: 2026-09-15 09:26:53

stdbuf

Time of First Successful Submission: 2026-09-15 09:28:01

setarch

Time of First Successful Submission: 2026-09-15 09:28:57

watch

Time of First Successful Submission: 2026-09-15 09:29:40

socat

Time of First Successful Submission: 2026-09-15 09:30:27

whiptail

Time of First Successful Submission: 2026-09-15 15:04:50

awk

Time of First Successful Submission: 2026-09-15 15:05:42

sed

Time of First Successful Submission: 2026-09-15 15:06:52

ed

Time of First Successful Submission: 2026-09-15 15:08:19

chown

Time of First Successful Submission: 2026-09-15 15:10:59

chmod

Time of First Successful Submission: 2026-09-15 15:12:59

cp

Time of First Successful Submission: 2026-09-15 15:15:10

mv

Time of First Successful Submission: 2026-09-15 15:18:00

perl

Time of First Successful Submission: 2026-09-15 15:18:30

python

Time of First Successful Submission: 2026-09-15 15:19:24

ruby

Time of First Successful Submission: 2026-09-15 15:21:13

bash

Time of First Successful Submission: 2026-09-15 15:22:17

date

Time of First Successful Submission: 2026-09-15 15:23:06

dmesg

Time of First Successful Submission: 2026-09-15 15:24:47

wc

Time of First Successful Submission: 2026-09-15 15:25:51

gcc

Time of First Successful Submission: 2026-09-15 15:26:38

as

Time of First Successful Submission: 2026-09-15 15:27:27

wget

Time of First Successful Submission: 2026-09-15 15:30:18

ssh-keygen

Time of First Successful Submission: 2026-09-15 15:36:29

SQL Queries

Time of First Successful Submission: 2026-09-15 16:01:51

Filtering SQL

Time of First Successful Submission: 2026-09-15 16:04:12

Choosing Columns

Time of First Successful Submission: 2026-09-15 16:05:35

Exclusionary Filtering

Time of First Successful Submission: 2026-09-15 16:07:25

Filtering Strings

Time of First Successful Submission: 2026-09-15 16:11:37

Filtering on Expressions

Time of First Successful Submission: 2026-09-15 16:15:53

SELECTing Expressions

Time of First Successful Submission: 2026-09-15 16:21:53

Composite Conditions

Time of First Successful Submission: 2026-09-15 16:25:27

Reaching Your LIMITs

Time of First Successful Submission: 2026-09-15 16:28:08

Querying Metadata

Time of First Successful Submission: 2026-09-15 16:31:49

DSU Cyber Camps

104 / 104 25 / 72637

Using the Terminal

Time of First Successful Submission: 2026-02-24 16:22:07

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-24 16:24:40

Using the GUI Desktop

Time of First Successful Submission: 2026-02-24 16:30:39

Pasting into the Desktop

Time of First Successful Submission: 2026-02-24 16:36:13

Connecting over SSH

Time of First Successful Submission: 2026-10-08 08:18:16

Restarting Challenges

Time of First Successful Submission: 2026-02-24 16:39:39

Getting Help

Time of First Successful Submission: 2026-10-08 08:10:58

Challenge Programs

Time of First Successful Submission: 2026-02-24 16:43:23

The Flag File

Time of First Successful Submission: 2026-02-24 16:45:29

Using Privileged Mode

Time of First Successful Submission: 2026-02-24 16:58:03

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-24 17:04:15

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-24 17:05:45

Running Commands

Time of First Successful Submission: 2026-10-08 09:26:08

Move through the Linux filesystem.

Time of First Successful Submission: 2026-10-08 09:34:10

Create and delete files.

Time of First Successful Submission: 2026-10-08 09:42:51

Move, copy, and rename files.

Time of First Successful Submission: 2026-10-08 09:46:36

Display file contents in the terminal.

Time of First Successful Submission: 2026-10-08 09:47:31

Create files with nano.

Time of First Successful Submission: 2026-10-08 09:48:25

Edit files with nano.

Time of First Successful Submission: 2026-10-08 09:49:07

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-10-08 09:51:32

Find the password! (Searching files)

Time of First Successful Submission: 2026-10-08 09:55:16

Advanced Directory Techniques.

Time of First Successful Submission: 2026-10-08 10:00:36

Learn about command flags.

Time of First Successful Submission: 2026-10-08 10:03:38

Printing

Time of First Successful Submission: 2026-10-09 16:17:40

Variables

Time of First Successful Submission: 2026-10-09 16:20:42

Format Print

Time of First Successful Submission: 2026-10-09 16:23:36

User Input

Time of First Successful Submission: 2026-10-09 16:25:36

Type Casting

Time of First Successful Submission: 2026-10-09 16:26:51

Knowledge Check I (Input/Output)

Time of First Successful Submission: 2026-10-09 16:29:54

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2026-10-09 16:38:51

Math

Time of First Successful Submission: 2026-10-09 16:41:44

Floor Division

Time of First Successful Submission: 2026-10-09 16:44:05

Geometry

Time of First Successful Submission: 2026-10-09 16:46:52

Comparison

Time of First Successful Submission: 2026-10-09 16:49:05

Knowledge Check I (Math)

Time of First Successful Submission: 2026-10-09 16:59:34

Knowledge Check II (Math)

Time of First Successful Submission: 2026-10-09 17:06:05

If Statements

Time of First Successful Submission: 2026-10-09 17:09:03

If Else Statements

Time of First Successful Submission: 2026-10-09 17:10:40

Nested

Time of First Successful Submission: 2026-10-09 17:19:07

Else If Blocks

Time of First Successful Submission: 2026-10-09 17:21:42

Logical Operators

Time of First Successful Submission: 2026-10-09 17:25:06

Knowledge Check I (Conditionals)

Time of First Successful Submission: 2026-10-09 17:26:56

While

Time of First Successful Submission: 2026-10-09 17:28:30

Lists

Time of First Successful Submission: 2026-10-09 17:30:22

Range

Time of First Successful Submission: 2026-10-09 17:31:40

For

Time of First Successful Submission: 2026-10-09 17:35:22

Knowledge Check I (Loops)

Time of First Successful Submission: 2026-10-09 17:41:51

Caesar Cipher Encoding

Time of First Successful Submission: 2026-10-13 14:34:18

Caesar Cipher Decoding

Time of First Successful Submission: 2026-10-13 14:36:20

Substitution Cipher Encoding

Time of First Successful Submission: 2026-10-13 14:37:56

Substitution Cipher Decoding

Time of First Successful Submission: 2026-10-13 14:38:53

ASCII Encoding

Time of First Successful Submission: 2026-10-13 14:39:46

ASCII Decoding

Time of First Successful Submission: 2026-10-13 14:40:27

Hexadecimal - Encoding

Time of First Successful Submission: 2026-10-13 14:41:45

Hexadecimal - Decoding

Time of First Successful Submission: 2026-10-13 14:42:20

Binary Encoding

Time of First Successful Submission: 2026-10-13 14:43:25

Binary Decoding

Time of First Successful Submission: 2026-10-13 14:44:25

Morse Code - Encoding

Time of First Successful Submission: 2026-10-13 14:45:57

Morse Code - Decoding

Time of First Successful Submission: 2026-10-13 14:46:35

Base64 - Encoding

Time of First Successful Submission: 2026-10-13 14:49:16

Base64 - Decoding

Time of First Successful Submission: 2026-10-13 14:50:35

Playfair - Encoding

Time of First Successful Submission: 2026-10-13 14:54:08

Playfair - Decoding

Time of First Successful Submission: 2026-10-13 14:56:14

Polybius Square - Encoding

Time of First Successful Submission: 2026-10-13 14:57:06

Polybius Square - Decoding

Time of First Successful Submission: 2026-10-13 14:57:36

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2026-10-13 14:59:25

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2026-10-13 15:01:05

Caesar Cipher Scripting

Time of First Successful Submission: 2026-10-13 15:03:48

Caesar Cipher Brute Force

Time of First Successful Submission: 2026-10-13 15:07:56

Easy Challenge #1

Time of First Successful Submission: 2026-10-13 15:09:13

Medium Challenge #1

Time of First Successful Submission: 2026-10-13 15:13:41

Hard Challenge #1

Time of First Successful Submission: 2026-10-13 15:17:48

Google Dorks

Time of First Successful Submission: 2026-10-13 15:28:16

Social Media Password

Time of First Successful Submission: 2026-10-13 15:35:01

Wayback Machine I

Time of First Successful Submission: 2026-10-13 15:46:16

Wayback Machine II

Time of First Successful Submission: 2026-10-13 15:54:19

Pale Red Horse Squad

Time of First Successful Submission: 2026-10-13 16:04:38

Swiss Army Button

Time of First Successful Submission: 2026-10-13 16:08:29

YeeBay

Time of First Successful Submission: 2026-10-13 16:20:55

Am I Admin?

Time of First Successful Submission: 2026-10-13 16:23:08

Am I Admin 2?

Time of First Successful Submission: 2026-10-13 16:27:10

Forceful Browsing

Time of First Successful Submission: 2026-10-13 16:29:50

Intro to BurpSuite

Time of First Successful Submission: 2026-10-13 17:23:18

Intruder Alert!

Time of First Successful Submission: 2026-10-15 09:46:51

Creepy Crawly

Time of First Successful Submission: 2026-10-15 10:01:13

Mr. Moneybags

Time of First Successful Submission: 2026-10-15 10:13:34

XML + Ratio

Time of First Successful Submission: 2026-10-15 10:16:58

Cache Money

Time of First Successful Submission: 2026-10-15 10:22:27

Buffer Overflow

Time of First Successful Submission: 2026-10-14 08:46:01

Magic Number

Time of First Successful Submission: 2026-10-14 08:48:54

Reverse Password Plaintext

Time of First Successful Submission: 2026-10-14 08:57:01

Reverse Password Backward

Time of First Successful Submission: 2026-10-14 08:59:13

Reverse Password Cipher

Time of First Successful Submission: 2026-10-14 09:07:48

Icky Input

Time of First Successful Submission: 2026-10-14 09:11:39

Grep Master

Time of First Successful Submission: 2026-10-14 09:13:12

Unlock The Vault

Time of First Successful Submission: 2026-10-14 09:16:40

Locked Treasure Chest

Time of First Successful Submission: 2026-10-14 09:20:41

The Artists Clue

Time of First Successful Submission: 2026-10-14 09:21:49

Code Cracker

Time of First Successful Submission: 2026-10-14 09:24:11

Chatty Server

Time of First Successful Submission: 2026-10-14 09:29:41

Secret Message In Photo

Time of First Successful Submission: 2026-10-14 09:34:51

Hidden Treasures In The Picture

Time of First Successful Submission: 2026-10-14 09:53:19

Findthegeneral

Time of First Successful Submission: 2026-10-14 10:01:31

Findthegeneralii

Time of First Successful Submission: 2026-10-14 10:08:39

Fuzz Dojo

1 / 80 363 / 369

Consent

Time of First Successful Submission: 2026-10-08 10:06:01

GCA CTF

104 / 104 25 / 72637

Using the Terminal

Time of First Successful Submission: 2026-02-24 16:22:07

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-24 16:24:40

Using the GUI Desktop

Time of First Successful Submission: 2026-02-24 16:30:39

Pasting into the Desktop

Time of First Successful Submission: 2026-02-24 16:36:13

Connecting over SSH

Time of First Successful Submission: 2026-10-08 08:18:16

Restarting Challenges

Time of First Successful Submission: 2026-02-24 16:39:39

Getting Help

Time of First Successful Submission: 2026-10-08 08:10:58

Challenge Programs

Time of First Successful Submission: 2026-02-24 16:43:23

The Flag File

Time of First Successful Submission: 2026-02-24 16:45:29

Using Privileged Mode

Time of First Successful Submission: 2026-02-24 16:58:03

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-24 17:04:15

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-24 17:05:45

Running Commands

Time of First Successful Submission: 2026-10-08 09:26:08

Move through the Linux filesystem.

Time of First Successful Submission: 2026-10-08 09:34:10

Create and delete files.

Time of First Successful Submission: 2026-10-08 09:42:51

Move, copy, and rename files.

Time of First Successful Submission: 2026-10-08 09:46:36

Display file contents in the terminal.

Time of First Successful Submission: 2026-10-08 09:47:31

Create files with nano.

Time of First Successful Submission: 2026-10-08 09:48:25

Edit files with nano.

Time of First Successful Submission: 2026-10-08 09:49:07

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-10-08 09:51:32

Find the password! (Searching files)

Time of First Successful Submission: 2026-10-08 09:55:16

Advanced Directory Techniques.

Time of First Successful Submission: 2026-10-08 10:00:36

Learn about command flags.

Time of First Successful Submission: 2026-10-08 10:03:38

Printing

Time of First Successful Submission: 2026-10-09 16:17:40

Variables

Time of First Successful Submission: 2026-10-09 16:20:42

Format Print

Time of First Successful Submission: 2026-10-09 16:23:36

User Input

Time of First Successful Submission: 2026-10-09 16:25:36

Type Casting

Time of First Successful Submission: 2026-10-09 16:26:51

Knowledge Check I (Input/Output)

Time of First Successful Submission: 2026-10-09 16:29:54

Knowledge Check II (Input/Output)

Time of First Successful Submission: 2026-10-09 16:38:51

Math

Time of First Successful Submission: 2026-10-09 16:41:44

Floor Division

Time of First Successful Submission: 2026-10-09 16:44:05

Geometry

Time of First Successful Submission: 2026-10-09 16:46:52

Comparison

Time of First Successful Submission: 2026-10-09 16:49:05

Knowledge Check I (Math)

Time of First Successful Submission: 2026-10-09 16:59:34

Knowledge Check II (Math)

Time of First Successful Submission: 2026-10-09 17:06:05

If Statements

Time of First Successful Submission: 2026-10-09 17:09:03

If Else Statements

Time of First Successful Submission: 2026-10-09 17:10:40

Nested

Time of First Successful Submission: 2026-10-09 17:19:07

Else If Blocks

Time of First Successful Submission: 2026-10-09 17:21:42

Logical Operators

Time of First Successful Submission: 2026-10-09 17:25:06

Knowledge Check I (Conditionals)

Time of First Successful Submission: 2026-10-09 17:26:56

While

Time of First Successful Submission: 2026-10-09 17:28:30

Lists

Time of First Successful Submission: 2026-10-09 17:30:22

Range

Time of First Successful Submission: 2026-10-09 17:31:40

For

Time of First Successful Submission: 2026-10-09 17:35:22

Knowledge Check I (Loops)

Time of First Successful Submission: 2026-10-09 17:41:51

Caesar Cipher Encoding

Time of First Successful Submission: 2026-10-13 14:34:18

Caesar Cipher Decoding

Time of First Successful Submission: 2026-10-13 14:36:20

Substitution Cipher Encoding

Time of First Successful Submission: 2026-10-13 14:37:56

Substitution Cipher Decoding

Time of First Successful Submission: 2026-10-13 14:38:53

ASCII Encoding

Time of First Successful Submission: 2026-10-13 14:39:46

ASCII Decoding

Time of First Successful Submission: 2026-10-13 14:40:27

Hexadecimal - Encoding

Time of First Successful Submission: 2026-10-13 14:41:45

Hexadecimal - Decoding

Time of First Successful Submission: 2026-10-13 14:42:20

Binary Encoding

Time of First Successful Submission: 2026-10-13 14:43:25

Binary Decoding

Time of First Successful Submission: 2026-10-13 14:44:25

Morse Code - Encoding

Time of First Successful Submission: 2026-10-13 14:45:57

Morse Code - Decoding

Time of First Successful Submission: 2026-10-13 14:46:35

Base64 - Encoding

Time of First Successful Submission: 2026-10-13 14:49:16

Base64 - Decoding

Time of First Successful Submission: 2026-10-13 14:50:35

Playfair - Encoding

Time of First Successful Submission: 2026-10-13 14:54:08

Playfair - Decoding

Time of First Successful Submission: 2026-10-13 14:56:14

Polybius Square - Encoding

Time of First Successful Submission: 2026-10-13 14:57:06

Polybius Square - Decoding

Time of First Successful Submission: 2026-10-13 14:57:36

Rail Fence (Zigzag) - Encoding

Time of First Successful Submission: 2026-10-13 14:59:25

Rail Fence (Zigzag) - Decoding

Time of First Successful Submission: 2026-10-13 15:01:05

Caesar Cipher Scripting

Time of First Successful Submission: 2026-10-13 15:03:48

Caesar Cipher Brute Force

Time of First Successful Submission: 2026-10-13 15:07:56

Easy Challenge #1

Time of First Successful Submission: 2026-10-13 15:09:13

Medium Challenge #1

Time of First Successful Submission: 2026-10-13 15:13:41

Hard Challenge #1

Time of First Successful Submission: 2026-10-13 15:17:48

Google Dorks

Time of First Successful Submission: 2026-10-13 15:28:16

Social Media Password

Time of First Successful Submission: 2026-10-13 15:35:01

Wayback Machine I

Time of First Successful Submission: 2026-10-13 15:46:16

Wayback Machine II

Time of First Successful Submission: 2026-10-13 15:54:19

Pale Red Horse Squad

Time of First Successful Submission: 2026-10-13 16:04:38

Swiss Army Button

Time of First Successful Submission: 2026-10-13 16:08:29

YeeBay

Time of First Successful Submission: 2026-10-13 16:20:55

Am I Admin?

Time of First Successful Submission: 2026-10-13 16:23:08

Am I Admin 2?

Time of First Successful Submission: 2026-10-13 16:27:10

Forceful Browsing

Time of First Successful Submission: 2026-10-13 16:29:50

Intro to BurpSuite

Time of First Successful Submission: 2026-10-13 17:23:18

Intruder Alert!

Time of First Successful Submission: 2026-10-15 09:46:51

Creepy Crawly

Time of First Successful Submission: 2026-10-15 10:01:13

Mr. Moneybags

Time of First Successful Submission: 2026-10-15 10:13:34

XML + Ratio

Time of First Successful Submission: 2026-10-15 10:16:58

Cache Money

Time of First Successful Submission: 2026-10-15 10:22:27

Buffer Overflow

Time of First Successful Submission: 2026-10-14 08:46:01

Magic Number

Time of First Successful Submission: 2026-10-14 08:48:54

Reverse Password Plaintext

Time of First Successful Submission: 2026-10-14 08:57:01

Reverse Password Backward

Time of First Successful Submission: 2026-10-14 08:59:13

Reverse Password Cipher

Time of First Successful Submission: 2026-10-14 09:07:48

Icky Input

Time of First Successful Submission: 2026-10-14 09:11:39

Grep Master

Time of First Successful Submission: 2026-10-14 09:13:12

Unlock The Vault

Time of First Successful Submission: 2026-10-14 09:16:40

Locked Treasure Chest

Time of First Successful Submission: 2026-10-14 09:20:41

The Artists Clue

Time of First Successful Submission: 2026-10-14 09:21:49

Code Cracker

Time of First Successful Submission: 2026-10-14 09:24:11

Chatty Server

Time of First Successful Submission: 2026-10-14 09:29:41

Secret Message In Photo

Time of First Successful Submission: 2026-10-14 09:34:51

Hidden Treasures In The Picture

Time of First Successful Submission: 2026-10-14 09:53:19

Findthegeneral

Time of First Successful Submission: 2026-10-14 10:01:31

Findthegeneralii

Time of First Successful Submission: 2026-10-14 10:08:39

Pwntools Tutorials

12 / 12 425 / 1481

Level 0.0

Time of First Successful Submission: 2026-09-21 15:36:26

Level 1.0

Time of First Successful Submission: 2026-09-21 15:40:26

Level 1.1

Time of First Successful Submission: 2026-09-21 15:45:49

Level 2.0

Time of First Successful Submission: 2026-09-21 15:50:31

Level 2.1

Time of First Successful Submission: 2026-09-21 15:53:54

Level 2.2

Time of First Successful Submission: 2026-09-21 16:00:53

Level 2.3

Time of First Successful Submission: 2026-09-21 16:03:34

Level 2.4

Time of First Successful Submission: 2026-09-21 16:06:27

Level 2.5

Time of First Successful Submission: 2026-09-21 16:10:41

Level 2.6

Time of First Successful Submission: 2026-09-21 16:19:15

Level 3.0

Time of First Successful Submission: 2026-09-21 16:28:31

Level 4.0

Time of First Successful Submission: 2026-09-21 17:00:32