jazho

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Intro to Programming Languages

15 / 234 1140 / 28115


Commands

Time of First Successful Submission: 2025-06-15 11:02:59

Command Arguments

Time of First Successful Submission: 2025-06-15 11:03:55

Command History

Time of First Successful Submission: 2025-06-15 11:05:22

The Root Path

Time of First Successful Submission: 2025-06-15 11:08:07

Absolute Paths

Time of First Successful Submission: 2025-06-15 11:09:24

Changing position

Time of First Successful Submission: 2025-06-15 11:10:37

Changing to an Absolute Path

Time of First Successful Submission: 2025-06-15 11:11:43

Relative Paths

Time of First Successful Submission: 2025-06-15 11:14:45

Cat

Time of First Successful Submission: 2025-06-15 11:25:08

Ls

Time of First Successful Submission: 2025-06-15 11:32:42

Ls All

Time of First Successful Submission: 2025-06-15 11:40:51

Find

Time of First Successful Submission: 2025-06-15 11:52:21

Piping Echo

Time of First Successful Submission: 2025-06-15 13:11:26

Piping Stdout

Time of First Successful Submission: 2025-06-15 13:12:43

Piping Stdin

Time of First Successful Submission: 2025-06-15 13:21:20


Intro to Cybersecurity

183 / 183 44 / 17888


Path Traversal 1

Time of First Successful Submission: 2025-06-27 09:37:58

Path Traversal 2

Time of First Successful Submission: 2025-06-27 09:50:44

CMDi 1

Time of First Successful Submission: 2025-06-27 09:58:17

CMDi 2

Time of First Successful Submission: 2025-06-27 10:03:06

CMDi 3

Time of First Successful Submission: 2025-06-27 10:07:13

CMDi 4

Time of First Successful Submission: 2025-06-27 10:10:45

CMDi 5

Time of First Successful Submission: 2025-06-27 10:16:54

CMDi 6

Time of First Successful Submission: 2025-06-27 10:54:17

Authentication Bypass 1

Time of First Successful Submission: 2025-06-27 11:27:44

Authentication Bypass 2

Time of First Successful Submission: 2025-06-27 12:32:48

SQLi 1

Time of First Successful Submission: 2025-06-27 12:57:23

SQLi 2

Time of First Successful Submission: 2025-06-27 13:01:22

SQLi 3

Time of First Successful Submission: 2025-06-27 13:35:03

SQLi 4

Time of First Successful Submission: 2025-06-27 13:42:48

SQLi 5

Time of First Successful Submission: 2025-06-27 15:59:11

XSS 1

Time of First Successful Submission: 2025-06-27 19:29:02

XSS 2

Time of First Successful Submission: 2025-06-27 19:33:36

XSS 3

Time of First Successful Submission: 2025-06-27 19:39:57

XSS 4

Time of First Successful Submission: 2025-06-27 21:24:31

XSS 5

Time of First Successful Submission: 2025-06-27 22:19:14

XSS 6

Time of First Successful Submission: 2025-06-28 15:41:32

XSS 7

Time of First Successful Submission: 2025-06-29 11:44:28

CSRF 1

Time of First Successful Submission: 2025-06-29 14:48:35

CSRF 2

Time of First Successful Submission: 2025-06-29 14:53:02

CSRF 3

Time of First Successful Submission: 2025-06-29 16:17:47

CSRF 4

Time of First Successful Submission: 2025-06-29 16:40:58

CSRF 5

Time of First Successful Submission: 2025-06-29 17:10:16

Connect

Time of First Successful Submission: 2025-06-29 20:38:06

Send

Time of First Successful Submission: 2025-06-29 20:39:40

Shutdown

Time of First Successful Submission: 2025-06-29 20:44:32

Listen

Time of First Successful Submission: 2025-06-29 20:46:21

Scan 1

Time of First Successful Submission: 2025-06-30 09:34:30

Scan 2

Time of First Successful Submission: 2025-06-30 09:57:30

Monitor 1

Time of First Successful Submission: 2025-06-29 20:55:35

Monitor 2

Time of First Successful Submission: 2025-06-30 10:08:00

Sniffing Cookies

Time of First Successful Submission: 2025-06-30 10:16:43

Network Configuration

Time of First Successful Submission: 2025-06-30 10:28:02

Firewall 1

Time of First Successful Submission: 2025-06-30 10:35:02

Firewall 2

Time of First Successful Submission: 2025-06-30 10:39:26

Firewall 3

Time of First Successful Submission: 2025-06-30 10:40:57

Denial of Service 1

Time of First Successful Submission: 2025-06-30 12:28:18

Denial of Service 2

Time of First Successful Submission: 2025-06-30 12:48:15

Denial of Service 3

Time of First Successful Submission: 2025-06-30 13:09:57

Ethernet

Time of First Successful Submission: 2025-06-30 14:46:06

IP

Time of First Successful Submission: 2025-06-30 16:24:58

TCP

Time of First Successful Submission: 2025-06-30 16:30:15

TCP Handshake

Time of First Successful Submission: 2025-07-01 11:40:22

UDP

Time of First Successful Submission: 2025-07-01 11:51:51

UDP 2

Time of First Successful Submission: 2025-07-01 12:08:24

UDP Spoofing 1

Time of First Successful Submission: 2025-07-01 12:17:57

UDP Spoofing 2

Time of First Successful Submission: 2025-07-01 12:34:51

UDP Spoofing 3

Time of First Successful Submission: 2025-07-01 15:02:50

UDP Spoofing 4

Time of First Successful Submission: 2025-07-01 15:14:39

ARP

Time of First Successful Submission: 2025-07-01 16:00:43

Intercept

Time of First Successful Submission: 2025-07-01 16:06:04

Man-in-the-Middle

Time of First Successful Submission: 2025-07-05 15:32:17

XOR

Time of First Successful Submission: 2025-07-05 22:05:15

XORing Hex

Time of First Successful Submission: 2025-07-05 22:13:41

XORing ASCII

Time of First Successful Submission: 2025-07-06 11:47:48

XORing ASCII Strings

Time of First Successful Submission: 2025-07-06 14:33:52

One-time Pad

Time of First Successful Submission: 2025-07-06 14:38:52

One-time Pad Tampering

Time of First Successful Submission: 2025-07-06 19:01:26

Many-time Pad

Time of First Successful Submission: 2025-07-06 19:36:40

AES

Time of First Successful Submission: 2025-07-06 19:54:39

AES-ECB-CPA

Time of First Successful Submission: 2025-07-07 13:27:50

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-07-07 21:14:23

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-07-07 21:18:05

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-07-07 21:28:44

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-07-08 10:13:44

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-07-08 10:20:14

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-07-10 20:16:33

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-07-10 22:00:21

AES-CBC

Time of First Successful Submission: 2025-07-11 09:38:11

AES-CBC Tampering

Time of First Successful Submission: 2025-07-11 10:00:28

AES-CBC Resizing

Time of First Successful Submission: 2025-07-11 10:12:49

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-07-11 18:06:50

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-07-11 18:18:08

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-07-11 20:41:56

AES-CBC-POA-Encrypt

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

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-08-29 15:12:16

DHKE

Time of First Successful Submission: 2025-07-16 16:50:36

DHKE-to-AES

Time of First Successful Submission: 2025-07-16 17:00:49

RSA 1

Time of First Successful Submission: 2025-07-18 14:56:39

RSA 2

Time of First Successful Submission: 2025-07-18 15:14:48

RSA 3

Time of First Successful Submission: 2025-07-19 16:51:00

RSA 4

Time of First Successful Submission: 2025-07-19 17:09:30

RSA Signatures

Time of First Successful Submission: 2025-07-18 17:32:06

SHA 1

Time of First Successful Submission: 2025-07-18 20:41:24

SHA 2

Time of First Successful Submission: 2025-07-19 16:31:15

TLS 1

Time of First Successful Submission: 2025-07-20 13:52:06

TLS 2

Time of First Successful Submission: 2025-07-21 14:24:35

level1

Time of First Successful Submission: 2025-07-21 14:42:57

level2

Time of First Successful Submission: 2025-07-21 14:43:38

level3

Time of First Successful Submission: 2025-07-21 14:44:18

level4

Time of First Successful Submission: 2025-07-21 14:44:55

level5

Time of First Successful Submission: 2025-07-22 15:30:32

level6

Time of First Successful Submission: 2025-07-22 15:36:28

level7

Time of First Successful Submission: 2025-07-22 15:39:50

level8

Time of First Successful Submission: 2025-07-22 15:40:39

level9

Time of First Successful Submission: 2025-07-22 15:45:46

level10

Time of First Successful Submission: 2025-07-22 15:47:25

level11

Time of First Successful Submission: 2025-07-22 15:50:40

level12

Time of First Successful Submission: 2025-07-22 15:54:52

level13

Time of First Successful Submission: 2025-07-22 15:56:07

level14

Time of First Successful Submission: 2025-07-22 15:57:09

level15

Time of First Successful Submission: 2025-07-22 15:58:24

level16

Time of First Successful Submission: 2025-07-24 17:07:11

level17

Time of First Successful Submission: 2025-07-24 17:05:58

level18

Time of First Successful Submission: 2025-07-24 17:05:31

level19

Time of First Successful Submission: 2025-07-24 17:04:34

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-07-27 10:57:09

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-07-27 15:01:07

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-07-27 15:50:17

Reading Endianness (Python)

Time of First Successful Submission: 2025-07-27 15:57:25

Reading Endianness (C)

Time of First Successful Submission: 2025-07-27 16:07:05

Reading Endianness (x86)

Time of First Successful Submission: 2025-07-27 16:11:23

Version Information (Python)

Time of First Successful Submission: 2025-07-27 16:40:47

Version Information (C)

Time of First Successful Submission: 2025-07-27 16:52:14

Version Information (x86)

Time of First Successful Submission: 2025-07-27 16:55:41

Metadata and Data (Python)

Time of First Successful Submission: 2025-07-28 12:54:57

Metadata and Data (C)

Time of First Successful Submission: 2025-07-28 13:45:00

Metadata and Data (x86)

Time of First Successful Submission: 2025-07-28 13:49:42

Input Restrictions (Python)

Time of First Successful Submission: 2025-07-28 13:57:40

Input Restrictions (C)

Time of First Successful Submission: 2025-07-28 14:18:59

Input Restrictions (x86)

Time of First Successful Submission: 2025-07-28 14:22:36

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-07-28 14:28:44

Behold the cIMG! (C)

Time of First Successful Submission: 2025-07-29 14:12:56

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-07-29 14:32:49

A Basic cIMG (Python)

Time of First Successful Submission: 2025-07-29 14:45:53

A Basic cIMG (C)

Time of First Successful Submission: 2025-07-29 14:50:39

A Basic cIMG (x86)

Time of First Successful Submission: 2025-07-29 14:55:25

Internal State Mini (C)

Time of First Successful Submission: 2025-07-31 12:34:26

Internal State Mini (x86)

Time of First Successful Submission: 2025-07-31 12:51:53

Internal State (C)

Time of First Successful Submission: 2025-07-31 18:07:18

Internal State (x86)

Time of First Successful Submission: 2025-07-31 18:15:51

File Formats: Directives (C)

Time of First Successful Submission: 2025-07-31 18:33:19

File Formats: Directives (x86)

Time of First Successful Submission: 2025-07-31 18:41:51

The Patch Directive

Time of First Successful Submission: 2025-08-02 18:44:18

Optimizing for Space

Time of First Successful Submission: 2025-08-02 22:32:54

Tweaking Images

Time of First Successful Submission: 2025-08-03 12:56:41

Storage and Retrieval

Time of First Successful Submission: 2025-08-04 16:26:43

Extracting Knowledge

Time of First Successful Submission: 2025-08-05 18:01:33

Advanced Sprites

Time of First Successful Submission: 2025-08-06 18:39:00

Accessing Resources

Time of First Successful Submission: 2025-08-07 14:14:27

Unsafe Animations

Time of First Successful Submission: 2025-08-07 17:30:34

Animations

Time of First Successful Submission: 2025-08-07 18:09:05

Interoperability: Patching Data

Time of First Successful Submission: 2025-08-07 18:46:20

Patching Code

Time of First Successful Submission: 2025-08-08 13:32:31

Patching Control Flow

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

Your First Overflow (easy)

Time of First Successful Submission: 2025-08-10 11:42:31

Your First Overflow (hard)

Time of First Successful Submission: 2025-08-10 13:28:38

Precision (easy)

Time of First Successful Submission: 2025-08-10 15:53:36

Precision (hard)

Time of First Successful Submission: 2025-08-10 17:15:48

Variable Control (easy)

Time of First Successful Submission: 2025-08-11 16:43:32

Variable Control (hard)

Time of First Successful Submission: 2025-08-11 16:49:28

Control Hijack (easy)

Time of First Successful Submission: 2025-08-11 18:25:43

Control Hijack (hard)

Time of First Successful Submission: 2025-08-11 18:36:08

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-08-12 16:48:41

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-08-12 16:53:39

PIEs (easy)

Time of First Successful Submission: 2025-08-12 17:48:07

PIEs (hard)

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

String Lengths (easy)

Time of First Successful Submission: 2025-08-13 16:57:52

String Lengths (hard)

Time of First Successful Submission: 2025-08-13 17:01:45

Basic Shellcode

Time of First Successful Submission: 2025-08-13 18:49:09

NOP Sleds

Time of First Successful Submission: 2025-08-13 19:09:36

NULL-Free Shellcode

Time of First Successful Submission: 2025-08-14 14:47:17

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-08-14 17:01:55

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-08-14 17:17:56

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-08-14 19:06:42

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-08-14 21:35:19

ECB-to-Win (easy)

Time of First Successful Submission: 2025-08-16 05:13:17

ECB-to-Win (hard)

Time of First Successful Submission: 2025-08-16 21:42:11

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-08-17 19:26:38

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-08-18 18:54:22

CIMG Screenshots

Time of First Successful Submission: 2025-08-20 17:36:26

CIMG Screenshots 2

Time of First Successful Submission: 2025-08-21 15:59:46

Wily Webserver

Time of First Successful Submission: 2025-08-21 20:56:01

The Watering Hole

Time of First Successful Submission: 2025-08-22 17:08:40

Secure Chat 1

Time of First Successful Submission: 2025-08-23 18:53:25

Secure Chat 2

Time of First Successful Submission: 2025-08-28 19:42:53

Secure Chat 3

Time of First Successful Submission: 2025-09-03 16:24:36

Secure Chat 4

Time of First Successful Submission: 2025-09-04 15:44:16

Secure Chat 5

Time of First Successful Submission: 2025-09-06 08:04:54


Program Security

159 / 162 48 / 9029


ello ackers!

Time of First Successful Submission: 2025-09-07 16:04:10

Syscall Smuggler

Time of First Successful Submission: 2025-09-07 19:14:34

Syscall Shenanigans

Time of First Successful Submission: 2025-09-08 15:49:56

Byte Budget

Time of First Successful Submission: 2025-09-09 18:12:13

ClobberCode

Time of First Successful Submission: 2025-09-09 19:14:30

Diverse Delivery

Time of First Successful Submission: 2025-09-10 16:02:50

Pocket Payload

Time of First Successful Submission: 2025-09-10 17:19:15

Micro Menace

Time of First Successful Submission: 2025-09-11 19:16:44

Login Leakage (Easy)

Time of First Successful Submission: 2025-09-13 18:09:42

Login Leakage (Hard)

Time of First Successful Submission: 2025-09-13 18:22:45

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-09-13 19:01:30

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-09-13 19:12:37

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-09-13 22:48:40

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-09-14 10:38:26

Pointer Problems (Easy)

Time of First Successful Submission: 2025-09-14 11:40:23

Pointer Problems (Hard)

Time of First Successful Submission: 2025-09-14 11:47:42

Anomalous Array (Easy)

Time of First Successful Submission: 2025-09-14 15:25:44

Anomalous Array (Hard)

Time of First Successful Submission: 2025-09-15 15:34:32

Now you got it (Easy)

Time of First Successful Submission: 2025-09-15 16:49:42

Now you got it (Hard)

Time of First Successful Submission: 2025-09-16 15:53:29

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-09-17 15:40:39

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-09-17 15:57:48

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-09-17 21:47:53

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-09-18 15:15:53

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-09-18 18:08:02

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-09-19 17:30:24

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-09-19 17:54:29

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-09-19 18:01:43

Latent Leak (Easy)

Time of First Successful Submission: 2025-09-22 16:03:26

Latent Leak (Hard)

Time of First Successful Submission: 2025-09-22 15:54:14

Fork Foolery (Easy)

Time of First Successful Submission: 2025-09-24 18:35:31

Fork Foolery (Hard)

Time of First Successful Submission: 2025-09-24 18:29:26

Canary Conundrum (Easy)

Time of First Successful Submission: 2025-09-26 16:34:11

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-09-26 16:18:19

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-09-26 17:50:03

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-09-26 17:27:14

Can It Fizz?

Time of First Successful Submission: 2025-09-30 15:03:09

Does It Buzz?

Time of First Successful Submission: 2025-10-02 14:12:28

Make It FizzBuzz

Time of First Successful Submission: 2025-10-03 18:17:42

Terrible Token (Easy)

Time of First Successful Submission: 2025-10-04 18:26:50

Terrible Token (Hard)

Time of First Successful Submission: 2025-10-04 18:35:13

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-10-06 16:33:38

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-10-06 16:42:11

Bit Bender

Time of First Successful Submission: 2025-10-06 17:44:22

Substitution Sorcery

Time of First Successful Submission: 2025-10-06 20:06:46

Meager Mangler (Easy)

Time of First Successful Submission: 2025-10-07 14:12:38

Meager Mangler (Hard)

Time of First Successful Submission: 2025-10-07 14:38:04

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-10-07 15:07:36

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-10-07 16:25:10

Patched Up (Easy)

Time of First Successful Submission: 2025-10-08 17:22:20

Patched Up (Hard)

Time of First Successful Submission: 2025-10-08 17:26:06

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-10-08 17:29:50

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-10-08 17:32:34

Patch Perfect (Easy)

Time of First Successful Submission: 2025-10-08 17:40:11

Patch Perfect (Hard)

Time of First Successful Submission: 2025-10-08 17:59:50

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-10-10 15:54:32

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-10-10 16:11:12

Know the Yancode (Easy)

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

Know the Yancode (Hard)

Time of First Successful Submission: 2025-10-10 19:19:18

Master the Yancode (Easy)

Time of First Successful Submission: 2025-10-10 19:35:27

Master the Yancode (Hard)

Time of First Successful Submission: 2025-10-11 17:48:53

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-10-12 12:41:07

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-10-12 13:11:56

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-10-15 19:23:59

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-10-16 15:38:58

The Yangler (Easy)

Time of First Successful Submission: 2025-10-17 17:06:31

The Yangler (Hard)

Time of First Successful Submission: 2025-10-17 17:59:42

Yancraft (Easy)

Time of First Successful Submission: 2025-10-18 21:11:04

Yancraft (Hard)

Time of First Successful Submission: 2025-10-18 23:02:26

Yansanity (Easy)

Time of First Successful Submission: 2025-10-20 15:03:26

Yansanity (Hard)

Time of First Successful Submission: 2025-10-20 15:07:34

When the Cow Says Moo

Time of First Successful Submission: 2025-10-21 15:02:53

Predictable Migration

Time of First Successful Submission: 2025-10-23 16:16:40

Hashing Heifers

Time of First Successful Submission: 2025-10-23 19:21:39

Salty Stampede

Time of First Successful Submission: 2025-10-24 17:37:33

Loose Link (Easy)

Time of First Successful Submission: 2025-10-25 12:22:00

Loose Link (Hard)

Time of First Successful Submission: 2025-10-25 12:35:51

Call Chain (Easy)

Time of First Successful Submission: 2025-10-25 12:58:24

Call Chain (Hard)

Time of First Successful Submission: 2025-10-25 13:04:43

Chain of Command (Easy)

Time of First Successful Submission: 2025-10-25 13:30:25

Chain of Command (Hard)

Time of First Successful Submission: 2025-10-25 13:35:40

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-10-25 21:46:49

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-10-27 18:34:52

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-10-29 17:16:13

Stop, Pop, and ROP II (Hard)

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

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-10-29 21:09:08

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-10-30 15:00:16

Leaky Libc (Easy)

Time of First Successful Submission: 2025-10-31 12:31:17

Leaky Libc (Hard)

Time of First Successful Submission: 2025-10-31 15:42:17

Putsception (Easy)

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

Putsception (Hard)

Time of First Successful Submission: 2025-11-01 14:48:54

Pivotal Prelude (Easy)

Time of First Successful Submission: 2025-11-02 00:17:16

Pivotal Prelude (Hard)

Time of First Successful Submission: 2025-11-02 12:43:42

Pivotal Pointer (Easy)

Time of First Successful Submission: 2025-11-02 17:10:52

Pivotal Pointer (Hard)

Time of First Successful Submission: 2025-11-03 15:23:18

Pivotal Payload (Easy)

Time of First Successful Submission: 2025-11-03 15:38:40

Pivotal Payload (Hard)

Time of First Successful Submission: 2025-11-03 15:51:27

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2025-11-03 19:08:21

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2025-11-03 19:37:58

Guarded Gadgets (Easy)

Time of First Successful Submission: 2025-11-04 16:37:32

Guarded Gadgets (Hard)

Time of First Successful Submission: 2025-11-05 12:02:14

ROP Roulette (Easy)

Time of First Successful Submission: 2025-11-05 20:38:58

ROP Roulette (Hard)

Time of First Successful Submission: 2025-11-06 17:50:18

Libc Lottery (Easy)

Time of First Successful Submission: 2025-11-07 23:04:01

Libc Lottery (Hard)

Time of First Successful Submission: 2025-11-08 13:08:01

Freebie (Easy)

Time of First Successful Submission: 2025-11-08 13:44:32

Freebie (Hard)

Time of First Successful Submission: 2025-11-09 12:21:26

Freebin Feint (Easy)

Time of First Successful Submission: 2025-11-09 12:45:33

Freebin Feint (Hard)

Time of First Successful Submission: 2025-11-09 13:07:42

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-11-09 13:34:12

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-11-09 13:42:34

Fickle Free (Easy)

Time of First Successful Submission: 2025-11-10 18:15:14

Fickle Free (Hard)

Time of First Successful Submission: 2025-11-10 19:13:17

Malloc Mirage (Easy)

Time of First Successful Submission: 2025-11-11 14:39:00

Malloc Mirage (Hard)

Time of First Successful Submission: 2025-11-11 14:49:35

Seeking Secrets (Easy)

Time of First Successful Submission: 2025-11-11 15:25:28

Seeking Secrets (Hard)

Time of First Successful Submission: 2025-11-11 15:32:41

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2025-11-13 14:10:11

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2025-11-13 14:32:59

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2025-11-13 15:15:06

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2025-11-13 15:21:36

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2025-11-14 14:55:26

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2025-11-14 14:59:13

Sus Sequence (Easy)

Time of First Successful Submission: 2025-11-14 17:52:56

Sus Sequence (Hard)

Time of First Successful Submission: 2025-11-14 17:56:38

Echo Emanations (Easy)

Time of First Successful Submission: 2025-11-16 14:46:36

Echo Emanations (Hard)

Time of First Successful Submission: 2025-11-16 15:01:52

Stack Spoofing (Easy)

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

Stack Spoofing (Hard)

Time of First Successful Submission: 2025-11-16 16:23:17

Stack Summoning (Easy)

Time of First Successful Submission: 2025-11-16 20:34:02

Stack Summoning (Hard)

Time of First Successful Submission: 2025-11-16 20:57:36

Enterprising Echo (Easy)

Time of First Successful Submission: 2025-11-17 14:02:38

Enterprising Echo (Hard)

Time of First Successful Submission: 2025-11-17 15:33:47

Ephemeral Echo (Easy)

Time of First Successful Submission: 2025-11-17 18:14:52

Ephemeral Echo (Hard)

Time of First Successful Submission: 2025-11-17 18:17:19

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2025-11-19 20:56:10

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2025-11-19 21:06:39

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2025-11-20 20:14:21

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2025-11-20 20:17:33

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2025-11-20 22:29:36

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2025-11-21 19:35:35

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2025-11-21 21:22:40

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2025-11-21 21:27:02

Tcache Terror (Easy)

Time of First Successful Submission: 2025-11-22 23:32:15

Tcache Terror (Hard)

Time of First Successful Submission: 2025-11-22 23:36:22

Containment Composition (Easy)

Time of First Successful Submission: 2025-11-23 16:04:05

Containment Composition (Hard)

Time of First Successful Submission: 2025-11-23 16:27:43

Constant Corruption (Easy)

Time of First Successful Submission: 2025-11-24 19:57:17

Constant Corruption (Hard)

Time of First Successful Submission: 2025-11-24 20:15:20

Return to YanLand (Easy)

Time of First Successful Submission: 2025-11-25 17:48:18

Return to YanLand (Hard)

Time of First Successful Submission: 2025-11-25 18:35:47

Escape from YanLand (Easy)

Time of First Successful Submission: 2025-11-26 16:10:04

Escape from YanLand (Hard)

Time of First Successful Submission: 2025-11-26 16:59:29

The YanFilter (Easy)

Time of First Successful Submission: 2025-11-26 19:52:53

The YanFilter (Hard)

Time of First Successful Submission: 2025-11-27 15:21:54

The Great YanFilter (Easy)

Time of First Successful Submission: 2025-11-27 20:13:09

The Great YanFilter (Hard)

Time of First Successful Submission: 2025-11-28 16:13:58

Yan85 Reborn (Easy)

Time of First Successful Submission: 2025-11-29 00:25:43

Yan85 Reborn (Hard)

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


System Security

75 / 95 242 / 3184


chroot-escape-basic

Time of First Successful Submission: 2025-11-29 20:11:01

chroot-shellcode

Time of First Successful Submission: 2025-11-29 20:32:26

chroot-proper

Time of First Successful Submission: 2025-11-29 22:43:33

seccomp-basic

Time of First Successful Submission: 2025-11-30 11:54:46

seccomp-linkat

Time of First Successful Submission: 2025-11-30 12:22:35

seccomp-fchdir

Time of First Successful Submission: 2025-11-30 13:22:40

seccomp-rechroot

Time of First Successful Submission: 2025-11-30 17:06:54

seccomp-only

Time of First Successful Submission: 2025-11-30 17:53:42

seccomp-arch32

Time of First Successful Submission: 2025-12-01 17:41:36

seccomp-minimal

Time of First Successful Submission: 2025-12-01 18:05:41

seccomp-timebased

Time of First Successful Submission: 2025-12-01 19:28:01

seccomp-readonly

Time of First Successful Submission: 2025-12-01 19:41:14

process-isolation

Time of First Successful Submission: 2025-12-02 17:26:41

mount-namespace

Time of First Successful Submission: 2025-12-03 19:01:15

mount-cleanup

Time of First Successful Submission: 2025-12-03 19:18:30

mount-readonly

Time of First Successful Submission: 2025-12-03 19:26:22

mount-shellcode

Time of First Successful Submission: 2025-12-04 16:00:11

mount-bindmount

Time of First Successful Submission: 2025-12-04 16:38:43

level1.0

Time of First Successful Submission: 2025-12-05 18:19:48

level1.1

Time of First Successful Submission: 2025-12-05 18:25:06

level2.0

Time of First Successful Submission: 2025-12-05 18:31:45

level2.1

Time of First Successful Submission: 2025-12-05 19:24:12

level3.0

Time of First Successful Submission: 2025-12-05 19:54:46

level3.1

Time of First Successful Submission: 2025-12-06 10:55:47

level4.0

Time of First Successful Submission: 2025-12-06 12:01:34

level4.1

Time of First Successful Submission: 2025-12-06 12:27:22

level5.0

Time of First Successful Submission: 2025-12-06 14:48:07

level5.1

Time of First Successful Submission: 2025-12-06 14:52:04

level6.0

Time of First Successful Submission: 2025-12-06 18:56:44

level6.1

Time of First Successful Submission: 2025-12-06 19:05:37

level7.0

Time of First Successful Submission: 2025-12-06 21:36:02

level7.1

Time of First Successful Submission: 2025-12-06 21:38:59

level8.0

Time of First Successful Submission: 2025-12-07 11:38:35

level8.1

Time of First Successful Submission: 2025-12-07 11:46:17

level9.0

Time of First Successful Submission: 2025-12-07 13:25:13

level9.1

Time of First Successful Submission: 2025-12-07 17:45:36

level10.0

Time of First Successful Submission: 2025-12-07 18:43:38

level10.1

Time of First Successful Submission: 2025-12-07 18:49:54

level11.0

Time of First Successful Submission: 2025-12-07 18:56:35

level11.1

Time of First Successful Submission: 2025-12-07 19:23:45

level1.0

Time of First Successful Submission: 2025-12-09 20:12:45

level1.1

Time of First Successful Submission: 2025-12-09 20:23:27

level2.0

Time of First Successful Submission: 2025-12-10 19:57:27

level2.1

Time of First Successful Submission: 2025-12-10 20:04:01

level3.0

Time of First Successful Submission: 2025-12-11 19:06:05

level3.1

Time of First Successful Submission: 2025-12-11 19:19:26

level4.0

Time of First Successful Submission: 2025-12-12 17:44:20

level4.1

Time of First Successful Submission: 2025-12-12 17:48:51

level5.0

Time of First Successful Submission: 2025-12-12 18:20:34

level5.1

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

level6.0

Time of First Successful Submission: 2025-12-13 16:36:13

level6.1

Time of First Successful Submission: 2025-12-13 16:37:59

level7.0

Time of First Successful Submission: 2025-12-13 22:09:23

level7.1

Time of First Successful Submission: 2025-12-13 22:18:18

level8.0

Time of First Successful Submission: 2025-12-14 12:42:52

level8.1

Time of First Successful Submission: 2025-12-14 12:46:32

level9.0

Time of First Successful Submission: 2025-12-14 15:48:24

level9.1

Time of First Successful Submission: 2025-12-14 15:49:38

level10.0

Time of First Successful Submission: 2025-12-14 22:19:04

level10.1

Time of First Successful Submission: 2025-12-14 22:21:47

level11.0

Time of First Successful Submission: 2025-12-15 19:49:05

level11.1

Time of First Successful Submission: 2025-12-15 19:53:23

level12.0

Time of First Successful Submission: 2025-12-17 19:10:04

level12.1

Time of First Successful Submission: 2025-12-17 19:50:01

Baby Spectre 1

Time of First Successful Submission: 2025-12-19 17:32:52

Baby Spectre 2

Time of First Successful Submission: 2025-12-19 17:39:43

Baby Spectre 3

Time of First Successful Submission: 2025-12-20 17:24:27

Baby Spectre 4

Time of First Successful Submission: 2025-12-20 17:27:33

Baby Spectre 5

Time of First Successful Submission: 2025-12-21 20:02:58

Prefetch Peek

Time of First Successful Submission: 2025-12-24 11:04:07

Spooky Spectre 1

Time of First Successful Submission: 2025-12-27 16:28:56

Spooky Spectre 2

Time of First Successful Submission: 2025-12-27 20:14:08

Yan85 Reloaded

Time of First Successful Submission: 2026-01-06 18:14:26

Ghost in the YPU 1

Time of First Successful Submission: 2026-01-12 18:38:06

Ghost in the YPU 2

Time of First Successful Submission: 2026-01-21 18:41:47


Start Here

10 / 12 15134 / 38352


Using the VSCode Workspace

Time of First Successful Submission: 2025-06-15 10:23:54

Using the GUI Desktop

Time of First Successful Submission: 2025-06-15 10:26:45

Pasting into the Desktop

Time of First Successful Submission: 2025-06-15 10:30:29

Restarting Challenges

Time of First Successful Submission: 2025-06-15 10:35:03

Challenge Programs

Time of First Successful Submission: 2025-06-15 10:44:09

The Flag File

Time of First Successful Submission: 2025-06-15 10:47:16

Using Privileged Mode

Time of First Successful Submission: 2025-06-15 10:50:40

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-15 10:54:11

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-15 10:55:16


Linux Luminarium

107 / 128 4392 / 28356


Intro to Commands

Time of First Successful Submission: 2025-06-15 11:02:59

Intro to Arguments

Time of First Successful Submission: 2025-06-15 11:03:55

Command History

Time of First Successful Submission: 2025-06-15 11:05:22

The Root

Time of First Successful Submission: 2025-06-15 11:08:07

Program and absolute paths

Time of First Successful Submission: 2025-06-15 11:09:24

Position thy self

Time of First Successful Submission: 2025-06-15 11:10:37

Position elsewhere

Time of First Successful Submission: 2025-06-15 11:11:43

implicit relative paths, from /

Time of First Successful Submission: 2025-06-15 11:14:45

explicit relative paths, from /

Time of First Successful Submission: 2025-06-15 11:15:50

implicit relative path

Time of First Successful Submission: 2025-06-15 11:18:18

home sweet home

Time of First Successful Submission: 2025-06-15 11:21:09

cat: not the pet, but the command!

Time of First Successful Submission: 2025-06-15 11:25:08

catting absolute paths

Time of First Successful Submission: 2025-06-15 11:27:06

more catting practice

Time of First Successful Submission: 2025-06-15 11:28:43

grepping for a needle in a haystack

Time of First Successful Submission: 2025-06-15 11:30:20

listing files

Time of First Successful Submission: 2025-06-15 11:32:42

touching files

Time of First Successful Submission: 2025-06-15 11:34:32

removing files

Time of First Successful Submission: 2025-06-15 11:37:31

moving files

Time of First Successful Submission: 2025-06-15 11:39:12

hidden files

Time of First Successful Submission: 2025-06-15 11:40:51

An Epic Filesystem Quest

Time of First Successful Submission: 2025-06-15 11:46:59

making directories

Time of First Successful Submission: 2025-06-15 11:47:55

finding files

Time of First Successful Submission: 2025-06-15 11:52:21

linking files

Time of First Successful Submission: 2025-06-15 12:00:01

Learning From Documentation

Time of First Successful Submission: 2025-06-15 12:03:10

Learning Complex Usage

Time of First Successful Submission: 2025-06-15 12:04:42

Reading Manuals

Time of First Successful Submission: 2025-06-15 12:07:39

Searching Manuals

Time of First Successful Submission: 2025-06-15 12:10:02

Searching For Manuals

Time of First Successful Submission: 2025-06-15 12:14:17

Helpful Programs

Time of First Successful Submission: 2025-06-15 12:17:14

Help for Builtins

Time of First Successful Submission: 2025-06-15 12:21:17

Matching with *

Time of First Successful Submission: 2025-06-15 12:46:24

Matching with ?

Time of First Successful Submission: 2025-06-15 12:47:36

Matching with []

Time of First Successful Submission: 2025-06-15 12:50:33

Matching paths with []

Time of First Successful Submission: 2025-06-15 12:52:26

Multiple globs

Time of First Successful Submission: 2025-06-15 12:55:01

Mixing globs

Time of First Successful Submission: 2025-06-15 12:58:05

Exclusionary globbing

Time of First Successful Submission: 2025-06-15 13:01:00

Tab completion

Time of First Successful Submission: 2025-06-15 13:04:57

Multiple options for tab completion

Time of First Successful Submission: 2025-06-15 13:08:17

Tab completion on commands

Time of First Successful Submission: 2025-06-15 13:08:52

Redirecting output

Time of First Successful Submission: 2025-06-15 13:11:26

Redirecting more output

Time of First Successful Submission: 2025-06-15 13:12:43

Appending output

Time of First Successful Submission: 2025-06-15 13:14:59

Redirecting errors

Time of First Successful Submission: 2025-06-15 13:19:45

Redirecting input

Time of First Successful Submission: 2025-06-15 13:21:20

Grepping stored results

Time of First Successful Submission: 2025-06-15 13:22:38

Grepping live output

Time of First Successful Submission: 2025-06-15 13:24:34

Grepping errors

Time of First Successful Submission: 2025-06-15 13:26:15

Filtering with grep -v

Time of First Successful Submission: 2025-06-15 13:27:36

Duplicating piped data with tee

Time of First Successful Submission: 2025-06-15 13:35:56

Writing to multiple programs

Time of First Successful Submission: 2025-06-15 13:46:33

Split-piping stderr and stdout

Time of First Successful Submission: 2025-06-15 13:56:35

Printing Variables

Time of First Successful Submission: 2025-06-15 14:01:27

Setting Variables

Time of First Successful Submission: 2025-06-15 14:02:37

Multi-word Variables

Time of First Successful Submission: 2025-06-15 14:03:48

Exporting Variables

Time of First Successful Submission: 2025-06-15 15:21:55

Printing Exported Variables

Time of First Successful Submission: 2025-06-15 15:24:03

Storing Command Output

Time of First Successful Submission: 2025-06-15 15:27:37

Reading Input

Time of First Successful Submission: 2025-06-15 15:29:59

Reading Files

Time of First Successful Submission: 2025-06-15 15:34:16

Translating characters

Time of First Successful Submission: 2025-06-15 15:41:29

Deleting characters

Time of First Successful Submission: 2025-06-15 15:44:19

Deleting newlines

Time of First Successful Submission: 2025-06-15 15:46:09

Extracting the first lines with head

Time of First Successful Submission: 2025-06-15 15:47:39

Extracting specific sections of text

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

Listing Processes

Time of First Successful Submission: 2025-06-16 08:23:13

Killing Processes

Time of First Successful Submission: 2025-06-16 08:25:44

Interrupting Processes

Time of First Successful Submission: 2025-06-16 08:26:57

Suspending Processes

Time of First Successful Submission: 2025-06-16 08:28:23

Resuming Processes

Time of First Successful Submission: 2025-06-16 08:29:24

Backgrounding Processes

Time of First Successful Submission: 2025-06-16 08:33:31

Foregrounding Processes

Time of First Successful Submission: 2025-06-16 08:35:41

Starting Backgrounded Processes

Time of First Successful Submission: 2025-06-16 08:36:36

Process Exit Codes

Time of First Successful Submission: 2025-06-16 08:39:15

Becoming root with su

Time of First Successful Submission: 2025-06-17 13:41:43

Other users with su

Time of First Successful Submission: 2025-06-17 13:43:14

Cracking passwords

Time of First Successful Submission: 2025-06-17 14:07:14

Using sudo

Time of First Successful Submission: 2025-06-17 14:10:28

Changing File Ownership

Time of First Successful Submission: 2025-06-16 16:30:51

Groups and Files

Time of First Successful Submission: 2025-06-16 16:38:17

Fun With Groups Names

Time of First Successful Submission: 2025-06-17 11:59:02

Changing Permissions

Time of First Successful Submission: 2025-06-17 12:03:44

Executable Files

Time of First Successful Submission: 2025-06-17 14:54:56

Permission Tweaking Practice

Time of First Successful Submission: 2025-06-17 12:48:20

Permissions Setting Practice

Time of First Successful Submission: 2025-06-17 12:55:43

The SUID Bit

Time of First Successful Submission: 2025-06-17 13:34:55

Chaining with Semicolons

Time of First Successful Submission: 2025-06-17 14:12:51

Your First Shell Script

Time of First Successful Submission: 2025-06-17 14:17:31

Redirecting Script Output

Time of First Successful Submission: 2025-06-17 14:22:13

Executable Shell Scripts

Time of First Successful Submission: 2025-06-17 14:27:14

The PATH Variable

Time of First Successful Submission: 2025-06-17 14:30:39

Setting PATH

Time of First Successful Submission: 2025-06-17 14:35:18

Finding Commands

Time of First Successful Submission: 2025-06-17 14:41:01

Adding Commands

Time of First Successful Submission: 2025-06-17 14:47:12

Hijacking Commands

Time of First Successful Submission: 2025-06-17 14:54:00

Bashrc Backdoor

Time of First Successful Submission: 2025-06-17 15:09:46

Sniffing Input

Time of First Successful Submission: 2025-06-17 21:14:59

Overshared Directories

Time of First Successful Submission: 2025-06-17 21:24:18

Tricky Linking

Time of First Successful Submission: 2025-06-18 13:40:41

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-18 13:42:59

Snooping on Configurations

Time of First Successful Submission: 2025-06-18 13:49:55

The Fork Bomb

Time of First Successful Submission: 2025-06-18 14:01:19

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-18 14:06:50

rm -rf /

Time of First Successful Submission: 2025-06-18 14:11:15

Life after rm -rf /

Time of First Successful Submission: 2025-06-18 14:16:26

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-18 14:24:24


Computing 101

69 / 69 526 / 19402


Your First Register

Time of First Successful Submission: 2025-06-18 16:54:52

Your First Syscall

Time of First Successful Submission: 2025-06-18 16:59:07

Exit Codes

Time of First Successful Submission: 2025-06-18 17:00:43

Building Executables

Time of First Successful Submission: 2025-06-18 17:08:04

Moving Between Registers

Time of First Successful Submission: 2025-06-18 17:11:38

Tracing Syscalls

Time of First Successful Submission: 2025-06-19 10:12:11

Starting GDB

Time of First Successful Submission: 2025-06-19 10:13:46

Starting Programs in GDB

Time of First Successful Submission: 2025-06-19 10:17:19

Loading From Memory

Time of First Successful Submission: 2025-06-19 10:59:29

More Loading Practice

Time of First Successful Submission: 2025-06-19 11:00:54

Dereferencing Pointers

Time of First Successful Submission: 2025-06-19 11:05:02

Dereferencing Yourself

Time of First Successful Submission: 2025-06-19 11:07:03

Dereferencing with Offsets

Time of First Successful Submission: 2025-06-19 11:10:17

Stored Addresses

Time of First Successful Submission: 2025-06-19 11:18:01

Double Dereference

Time of First Successful Submission: 2025-06-19 11:21:27

Triple Dereference

Time of First Successful Submission: 2025-06-19 11:23:00

Writing Output

Time of First Successful Submission: 2025-06-19 12:38:22

Chaining Syscalls

Time of First Successful Submission: 2025-06-19 12:40:02

Writing Strings

Time of First Successful Submission: 2025-06-19 12:41:27

Reading Data

Time of First Successful Submission: 2025-06-19 12:47:59

set-register

Time of First Successful Submission: 2025-06-19 14:25:01

set-multiple-registers

Time of First Successful Submission: 2025-06-19 14:26:41

add-to-register

Time of First Successful Submission: 2025-06-19 14:29:11

linear-equation-registers

Time of First Successful Submission: 2025-06-19 14:34:25

integer-division

Time of First Successful Submission: 2025-06-19 14:45:05

modulo-operation

Time of First Successful Submission: 2025-06-19 14:48:13

set-upper-byte

Time of First Successful Submission: 2025-06-19 14:51:33

efficient-modulo

Time of First Successful Submission: 2025-06-19 15:05:30

byte-extraction

Time of First Successful Submission: 2025-06-20 11:42:56

bitwise-and

Time of First Successful Submission: 2025-06-20 12:30:30

check-even

Time of First Successful Submission: 2025-06-20 12:48:31

memory-read

Time of First Successful Submission: 2025-06-20 13:16:09

memory-write

Time of First Successful Submission: 2025-06-20 13:17:06

memory-increment

Time of First Successful Submission: 2025-06-20 13:19:48

byte-access

Time of First Successful Submission: 2025-06-20 13:22:22

memory-size-access

Time of First Successful Submission: 2025-06-20 13:25:51

little-endian-write

Time of First Successful Submission: 2025-06-20 13:40:44

memory-sum

Time of First Successful Submission: 2025-06-20 13:46:00

stack-subtraction

Time of First Successful Submission: 2025-06-20 14:09:18

swap-stack-values

Time of First Successful Submission: 2025-06-20 14:10:12

average-stack-values

Time of First Successful Submission: 2025-06-20 14:17:25

absolute-jump

Time of First Successful Submission: 2025-06-20 14:25:37

relative-jump

Time of First Successful Submission: 2025-06-20 14:31:48

jump-trampoline

Time of First Successful Submission: 2025-06-20 14:34:03

conditional-jump

Time of First Successful Submission: 2025-06-20 15:02:11

indirect-jump

Time of First Successful Submission: 2025-06-20 15:50:29

average-loop

Time of First Successful Submission: 2025-06-20 16:01:26

count-non-zero

Time of First Successful Submission: 2025-06-20 19:24:16

string-lower

Time of First Successful Submission: 2025-06-20 20:30:36

most-common-byte

Time of First Successful Submission: 2025-06-21 12:29:15

Debugging Programs

Time of First Successful Submission: 2025-06-21 19:13:39

Inspecting Registers

Time of First Successful Submission: 2025-06-21 19:19:41

Examining Memory

Time of First Successful Submission: 2025-06-21 19:30:09

Setting Breakpoints

Time of First Successful Submission: 2025-06-21 20:16:38

GDB Scripting

Time of First Successful Submission: 2025-06-21 21:10:00

Modifying Data

Time of First Successful Submission: 2025-06-21 22:40:56

Modifying Execution

Time of First Successful Submission: 2025-06-21 22:43:19

Broken Functions

Time of First Successful Submission: 2025-06-22 14:35:30

Exit

Time of First Successful Submission: 2025-06-22 15:53:11

Socket

Time of First Successful Submission: 2025-06-22 16:11:20

Bind

Time of First Successful Submission: 2025-06-22 16:48:53

Listen

Time of First Successful Submission: 2025-06-23 11:40:27

Accept

Time of First Successful Submission: 2025-06-23 11:47:51

Static Response

Time of First Successful Submission: 2025-06-23 12:36:46

Dynamic Response

Time of First Successful Submission: 2025-06-23 16:29:12

Iterative GET Server

Time of First Successful Submission: 2025-06-23 16:37:03

Concurrent GET Server

Time of First Successful Submission: 2025-06-23 17:33:00

Concurrent POST Server

Time of First Successful Submission: 2025-06-24 15:31:38

Web Server

Time of First Successful Submission: 2025-06-24 15:33:12


Playing With Programs

35 / 116 8448 / 22213


What's the password?

Time of First Successful Submission: 2025-06-24 17:34:25

... and again!

Time of First Successful Submission: 2025-06-24 17:35:59

Newline Troubles

Time of First Successful Submission: 2025-06-24 17:38:48

Reasoning about files

Time of First Successful Submission: 2025-06-24 17:40:59

Specifying Filenames

Time of First Successful Submission: 2025-06-24 17:41:54

Binary and Hex Encoding

Time of First Successful Submission: 2025-06-25 14:10:25

More Hex

Time of First Successful Submission: 2025-06-25 14:17:15

Decoding Hex

Time of First Successful Submission: 2025-06-25 14:20:43

Decoding Practice

Time of First Successful Submission: 2025-06-25 14:24:21

Encoding Practice

Time of First Successful Submission: 2025-06-25 14:35:20

Hex-encoding ASCII

Time of First Successful Submission: 2025-06-25 15:20:16

Nested Encoding

Time of First Successful Submission: 2025-06-25 15:49:18

Hex-encoding UTF-8

Time of First Successful Submission: 2025-06-25 16:01:58

UTF Mixups

Time of First Successful Submission: 2025-06-26 17:00:26

Modifying Encoded Data

Time of First Successful Submission: 2025-06-26 17:18:20

Decoding Base64

Time of First Successful Submission: 2025-06-26 17:27:44

Encoding Base64

Time of First Successful Submission: 2025-06-26 17:29:35

Dealing with Obfuscation

Time of First Successful Submission: 2025-06-26 17:34:00

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-06-26 17:44:14

cat

Time of First Successful Submission: 2025-06-26 17:45:51

more

Time of First Successful Submission: 2025-06-26 17:46:06

less

Time of First Successful Submission: 2025-06-26 17:46:22

tail

Time of First Successful Submission: 2025-06-26 17:46:40

head

Time of First Successful Submission: 2025-06-26 17:47:24

sort

Time of First Successful Submission: 2025-06-26 17:47:44

vim

Time of First Successful Submission: 2025-06-26 17:48:03

emacs

Time of First Successful Submission: 2025-06-26 17:48:23

nano

Time of First Successful Submission: 2025-06-26 17:48:47

rev

Time of First Successful Submission: 2025-06-26 17:49:11

od

Time of First Successful Submission: 2025-06-26 17:54:02

hd

Time of First Successful Submission: 2025-06-26 17:54:46

xxd

Time of First Successful Submission: 2025-06-26 17:55:43

base32

Time of First Successful Submission: 2025-06-26 17:56:12

base64

Time of First Successful Submission: 2025-06-26 17:56:41

split

Time of First Successful Submission: 2025-06-26 17:58:30


CybHer Dojo

10 / 104 15224 / 38570


Using the VSCode Workspace

Time of First Successful Submission: 2025-06-15 10:23:54

Using the GUI Desktop

Time of First Successful Submission: 2025-06-15 10:26:45

Pasting into the Desktop

Time of First Successful Submission: 2025-06-15 10:30:29

Restarting Challenges

Time of First Successful Submission: 2025-06-15 10:35:03

Getting Help

Time of First Successful Submission: 2025-06-15 10:40:39

Challenge Programs

Time of First Successful Submission: 2025-06-15 10:44:09

The Flag File

Time of First Successful Submission: 2025-06-15 10:47:16

Using Privileged Mode

Time of First Successful Submission: 2025-06-15 10:50:40

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-15 10:54:11

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-15 10:55:16


GCA CTF

10 / 104 15224 / 38570


Using the VSCode Workspace

Time of First Successful Submission: 2025-06-15 10:23:54

Using the GUI Desktop

Time of First Successful Submission: 2025-06-15 10:26:45

Pasting into the Desktop

Time of First Successful Submission: 2025-06-15 10:30:29

Restarting Challenges

Time of First Successful Submission: 2025-06-15 10:35:03

Getting Help

Time of First Successful Submission: 2025-06-15 10:40:39

Challenge Programs

Time of First Successful Submission: 2025-06-15 10:44:09

The Flag File

Time of First Successful Submission: 2025-06-15 10:47:16

Using Privileged Mode

Time of First Successful Submission: 2025-06-15 10:50:40

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-15 10:54:11

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-15 10:55:16


Hacker History

8 / 8 57 / 141


External BBS (login)

Time of First Successful Submission: 2025-11-23 16:53:31

Internal BBS

Time of First Successful Submission: 2025-11-23 21:17:39

Join an IRC Server

Time of First Successful Submission: 2025-11-23 21:20:40

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2025-11-23 21:22:29

Change your nickname

Time of First Successful Submission: 2025-11-23 21:24:31

Join a channel

Time of First Successful Submission: 2025-11-23 21:26:05

Message a channel

Time of First Successful Submission: 2025-11-23 21:29:23

Remove another user

Time of First Successful Submission: 2025-11-23 21:31:39


Honors Dojo

6 / 11 79 / 3



Honors Dojo

6 / 17 79 / 3



Honors Dojo

6 / 17 79 / 3



Pwntools Tutorials

12 / 12 292 / 1131


Level 0.0

Time of First Successful Submission: 2025-11-29 17:03:01

Level 1.0

Time of First Successful Submission: 2025-11-29 17:13:58

Level 1.1

Time of First Successful Submission: 2025-11-29 17:21:43

Level 2.0

Time of First Successful Submission: 2025-11-29 17:29:05

Level 2.1

Time of First Successful Submission: 2025-11-29 17:35:48

Level 2.2

Time of First Successful Submission: 2025-11-29 22:57:27

Level 2.3

Time of First Successful Submission: 2025-11-29 22:59:45

Level 2.4

Time of First Successful Submission: 2025-11-29 23:02:07

Level 2.5

Time of First Successful Submission: 2025-11-29 23:07:14

Level 2.6

Time of First Successful Submission: 2025-11-29 23:11:52

Level 3.0

Time of First Successful Submission: 2025-11-29 23:18:29

Level 4.0

Time of First Successful Submission: 2025-11-29 23:26:29