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Intro to Programming Languages

15 / 234 3768 / 28115

Commands

Time of First Successful Submission: 2025-09-04 18:13:22

Command Arguments

Time of First Successful Submission: 2025-09-04 18:14:06

Command History

Time of First Successful Submission: 2025-09-04 18:14:29

The Root Path

Time of First Successful Submission: 2025-09-04 18:19:00

Absolute Paths

Time of First Successful Submission: 2025-09-04 18:19:51

Changing position

Time of First Successful Submission: 2025-09-05 12:52:14

Changing to an Absolute Path

Time of First Successful Submission: 2025-09-05 12:52:52

Relative Paths

Time of First Successful Submission: 2025-09-05 12:54:44

Cat

Time of First Successful Submission: 2025-09-05 12:59:44

Ls

Time of First Successful Submission: 2025-09-05 13:03:32

Ls All

Time of First Successful Submission: 2025-09-05 13:06:29

Find

Time of First Successful Submission: 2025-09-05 13:16:39

Piping Echo

Time of First Successful Submission: 2025-09-05 14:11:39

Piping Stdout

Time of First Successful Submission: 2025-09-05 14:12:20

Piping Stdin

Time of First Successful Submission: 2025-09-05 14:18:15

Intro to Cybersecurity

183 / 183 77 / 17888

Path Traversal 1

Time of First Successful Submission: 2025-09-23 17:39:11

Path Traversal 2

Time of First Successful Submission: 2025-09-23 18:41:55

CMDi 1

Time of First Successful Submission: 2025-09-23 21:06:53

CMDi 2

Time of First Successful Submission: 2025-09-23 21:08:20

CMDi 3

Time of First Successful Submission: 2025-09-23 21:11:56

CMDi 4

Time of First Successful Submission: 2025-09-23 21:15:37

CMDi 5

Time of First Successful Submission: 2025-09-23 21:18:26

CMDi 6

Time of First Successful Submission: 2025-09-23 21:48:19

Authentication Bypass 1

Time of First Successful Submission: 2025-09-24 15:51:06

Authentication Bypass 2

Time of First Successful Submission: 2025-09-24 15:53:50

SQLi 1

Time of First Successful Submission: 2025-09-24 16:50:23

SQLi 2

Time of First Successful Submission: 2025-09-24 17:21:10

SQLi 3

Time of First Successful Submission: 2025-09-24 17:33:46

SQLi 4

Time of First Successful Submission: 2025-09-24 17:39:56

SQLi 5

Time of First Successful Submission: 2025-09-24 17:59:36

XSS 1

Time of First Successful Submission: 2025-09-24 18:07:13

XSS 2

Time of First Successful Submission: 2025-09-24 18:09:40

XSS 3

Time of First Successful Submission: 2025-09-24 18:18:38

XSS 4

Time of First Successful Submission: 2025-09-24 18:23:03

XSS 5

Time of First Successful Submission: 2025-09-24 18:38:21

XSS 6

Time of First Successful Submission: 2025-09-24 20:01:57

XSS 7

Time of First Successful Submission: 2025-09-24 20:21:30

CSRF 1

Time of First Successful Submission: 2025-09-24 20:48:29

CSRF 2

Time of First Successful Submission: 2025-09-24 21:03:57

CSRF 3

Time of First Successful Submission: 2025-09-24 21:23:54

CSRF 4

Time of First Successful Submission: 2025-09-24 22:35:46

CSRF 5

Time of First Successful Submission: 2025-09-25 00:04:08

Connect

Time of First Successful Submission: 2025-09-25 00:08:54

Send

Time of First Successful Submission: 2025-09-25 00:09:53

Shutdown

Time of First Successful Submission: 2025-09-25 00:13:45

Listen

Time of First Successful Submission: 2025-09-25 00:14:38

Scan 1

Time of First Successful Submission: 2025-09-25 00:35:51

Scan 2

Time of First Successful Submission: 2025-09-25 01:23:22

Monitor 1

Time of First Successful Submission: 2025-09-25 15:27:37

Monitor 2

Time of First Successful Submission: 2025-09-25 16:14:07

Sniffing Cookies

Time of First Successful Submission: 2025-09-25 17:16:03

Network Configuration

Time of First Successful Submission: 2025-09-25 17:22:06

Firewall 1

Time of First Successful Submission: 2025-09-25 17:24:45

Firewall 2

Time of First Successful Submission: 2025-09-25 17:53:35

Firewall 3

Time of First Successful Submission: 2025-09-25 17:58:35

Denial of Service 1

Time of First Successful Submission: 2025-09-25 19:12:41

Denial of Service 2

Time of First Successful Submission: 2025-09-25 19:17:01

Denial of Service 3

Time of First Successful Submission: 2025-09-25 19:33:59

Ethernet

Time of First Successful Submission: 2025-09-25 22:25:55

IP

Time of First Successful Submission: 2025-09-25 22:32:49

TCP

Time of First Successful Submission: 2025-09-25 22:54:54

TCP Handshake

Time of First Successful Submission: 2025-09-26 00:18:49

UDP

Time of First Successful Submission: 2025-09-26 21:06:58

UDP 2

Time of First Successful Submission: 2025-09-26 21:25:51

UDP Spoofing 1

Time of First Successful Submission: 2025-09-26 21:30:36

UDP Spoofing 2

Time of First Successful Submission: 2025-09-26 21:41:40

UDP Spoofing 3

Time of First Successful Submission: 2025-09-26 22:16:06

UDP Spoofing 4

Time of First Successful Submission: 2025-09-26 22:23:12

ARP

Time of First Successful Submission: 2025-09-27 00:01:30

Intercept

Time of First Successful Submission: 2025-09-27 01:20:29

Man-in-the-Middle

Time of First Successful Submission: 2025-09-27 17:16:45

XOR

Time of First Successful Submission: 2025-09-27 20:00:47

XORing Hex

Time of First Successful Submission: 2025-09-27 20:05:10

XORing ASCII

Time of First Successful Submission: 2025-09-27 20:36:44

XORing ASCII Strings

Time of First Successful Submission: 2025-09-27 21:38:14

One-time Pad

Time of First Successful Submission: 2025-09-27 22:24:36

One-time Pad Tampering

Time of First Successful Submission: 2025-09-27 22:39:02

Many-time Pad

Time of First Successful Submission: 2025-09-27 22:57:52

AES

Time of First Successful Submission: 2025-09-28 12:55:20

AES-ECB-CPA

Time of First Successful Submission: 2025-09-28 16:14:57

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-09-29 11:44:30

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-09-29 12:53:41

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-09-29 13:02:03

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-09-29 14:19:16

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-09-29 14:25:21

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-09-29 15:13:40

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-09-30 17:31:28

AES-CBC

Time of First Successful Submission: 2025-09-30 17:49:24

AES-CBC Tampering

Time of First Successful Submission: 2025-09-30 19:35:50

AES-CBC Resizing

Time of First Successful Submission: 2025-09-30 20:10:46

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-10-04 13:00:36

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-10-04 13:18:53

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-10-04 13:27:15

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-10-05 12:40:23

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-10-05 12:42:04

DHKE

Time of First Successful Submission: 2025-10-05 18:38:55

DHKE-to-AES

Time of First Successful Submission: 2025-10-05 18:46:26

RSA 1

Time of First Successful Submission: 2025-10-05 19:10:46

RSA 2

Time of First Successful Submission: 2025-10-05 19:32:06

RSA 3

Time of First Successful Submission: 2025-10-06 10:41:12

RSA 4

Time of First Successful Submission: 2025-10-06 11:01:01

RSA Signatures

Time of First Successful Submission: 2025-10-06 12:15:23

SHA 1

Time of First Successful Submission: 2025-10-06 14:04:30

SHA 2

Time of First Successful Submission: 2025-10-06 14:12:28

TLS 1

Time of First Successful Submission: 2025-10-06 15:06:31

TLS 2

Time of First Successful Submission: 2025-10-06 18:09:04

level1

Time of First Successful Submission: 2025-10-07 14:16:25

level2

Time of First Successful Submission: 2025-10-07 14:16:57

level3

Time of First Successful Submission: 2025-10-07 14:17:41

level4

Time of First Successful Submission: 2025-10-07 14:18:59

level5

Time of First Successful Submission: 2025-10-07 14:20:37

level6

Time of First Successful Submission: 2025-10-07 14:24:57

level7

Time of First Successful Submission: 2025-10-07 14:27:17

level8

Time of First Successful Submission: 2025-10-07 14:27:54

level9

Time of First Successful Submission: 2025-10-07 14:28:41

level10

Time of First Successful Submission: 2025-10-07 14:34:10

level11

Time of First Successful Submission: 2025-10-07 14:40:56

level12

Time of First Successful Submission: 2025-10-07 14:43:30

level13

Time of First Successful Submission: 2025-10-07 14:44:32

level14

Time of First Successful Submission: 2025-10-07 14:45:24

level15

Time of First Successful Submission: 2025-10-07 14:46:46

level16

Time of First Successful Submission: 2025-10-07 14:49:18

level17

Time of First Successful Submission: 2025-10-07 16:04:26

level18

Time of First Successful Submission: 2025-10-07 16:06:46

level19

Time of First Successful Submission: 2025-10-07 17:31:48

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-10-08 15:12:38

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-10-08 15:19:33

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-10-08 15:24:29

Reading Endianness (Python)

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

Reading Endianness (C)

Time of First Successful Submission: 2025-10-08 15:38:19

Reading Endianness (x86)

Time of First Successful Submission: 2025-10-08 15:43:34

Version Information (Python)

Time of First Successful Submission: 2025-10-08 15:50:49

Version Information (C)

Time of First Successful Submission: 2025-10-08 15:52:37

Version Information (x86)

Time of First Successful Submission: 2025-10-08 16:10:14

Metadata and Data (Python)

Time of First Successful Submission: 2025-10-08 17:22:45

Metadata and Data (C)

Time of First Successful Submission: 2025-10-08 17:25:38

Metadata and Data (x86)

Time of First Successful Submission: 2025-10-08 17:33:19

Input Restrictions (Python)

Time of First Successful Submission: 2025-10-08 17:40:28

Input Restrictions (C)

Time of First Successful Submission: 2025-10-08 17:42:05

Input Restrictions (x86)

Time of First Successful Submission: 2025-10-10 19:08:56

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-10-10 19:32:02

Behold the cIMG! (C)

Time of First Successful Submission: 2025-10-10 19:38:11

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-10-10 19:45:18

A Basic cIMG (Python)

Time of First Successful Submission: 2025-10-10 20:39:07

A Basic cIMG (C)

Time of First Successful Submission: 2025-10-10 20:43:11

A Basic cIMG (x86)

Time of First Successful Submission: 2025-10-10 21:08:50

Internal State Mini (C)

Time of First Successful Submission: 2025-10-11 20:18:09

Internal State Mini (x86)

Time of First Successful Submission: 2025-10-11 20:45:36

Internal State (C)

Time of First Successful Submission: 2025-10-11 21:00:44

Internal State (x86)

Time of First Successful Submission: 2025-10-11 21:26:10

File Formats: Directives (C)

Time of First Successful Submission: 2025-10-11 21:36:32

File Formats: Directives (x86)

Time of First Successful Submission: 2025-10-11 21:38:33

The Patch Directive

Time of First Successful Submission: 2025-10-18 13:50:08

Optimizing for Space

Time of First Successful Submission: 2025-10-18 22:25:59

Tweaking Images

Time of First Successful Submission: 2025-10-20 15:43:35

Storage and Retrieval

Time of First Successful Submission: 2025-10-21 17:55:32

Extracting Knowledge

Time of First Successful Submission: 2025-10-21 22:56:45

Advanced Sprites

Time of First Successful Submission: 2025-10-22 15:06:03

Accessing Resources

Time of First Successful Submission: 2025-10-22 17:37:35

Unsafe Animations

Time of First Successful Submission: 2025-10-22 18:22:42

Animations

Time of First Successful Submission: 2025-10-23 14:19:18

Interoperability: Patching Data

Time of First Successful Submission: 2025-10-23 15:36:53

Patching Code

Time of First Successful Submission: 2025-10-23 15:52:43

Patching Control Flow

Time of First Successful Submission: 2025-10-23 16:02:18

Your First Overflow (easy)

Time of First Successful Submission: 2025-10-23 17:55:06

Your First Overflow (hard)

Time of First Successful Submission: 2025-10-23 17:56:46

Precision (easy)

Time of First Successful Submission: 2025-10-23 18:00:08

Precision (hard)

Time of First Successful Submission: 2025-10-23 18:07:03

Variable Control (easy)

Time of First Successful Submission: 2025-10-23 19:19:36

Variable Control (hard)

Time of First Successful Submission: 2025-10-23 19:42:33

Control Hijack (easy)

Time of First Successful Submission: 2025-10-23 19:51:16

Control Hijack (hard)

Time of First Successful Submission: 2025-10-23 20:22:07

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-10-23 20:29:31

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-10-23 20:33:34

PIEs (easy)

Time of First Successful Submission: 2025-10-23 21:02:16

PIEs (hard)

Time of First Successful Submission: 2025-10-23 21:09:24

String Lengths (easy)

Time of First Successful Submission: 2025-10-23 21:37:42

String Lengths (hard)

Time of First Successful Submission: 2025-10-23 21:40:46

Basic Shellcode

Time of First Successful Submission: 2025-10-26 17:58:05

NOP Sleds

Time of First Successful Submission: 2025-10-26 18:05:43

NULL-Free Shellcode

Time of First Successful Submission: 2025-10-26 18:07:39

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-10-27 13:55:44

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-10-27 14:10:53

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-10-27 17:06:40

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-10-27 21:44:13

ECB-to-Win (easy)

Time of First Successful Submission: 2025-10-28 15:40:48

ECB-to-Win (hard)

Time of First Successful Submission: 2025-10-28 17:35:56

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-10-28 18:38:36

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-10-29 01:17:54

CIMG Screenshots

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

CIMG Screenshots 2

Time of First Successful Submission: 2025-10-29 19:20:42

Wily Webserver

Time of First Successful Submission: 2025-10-30 14:55:09

The Watering Hole

Time of First Successful Submission: 2025-10-30 21:28:03

Secure Chat 1

Time of First Successful Submission: 2025-10-30 23:36:23

Secure Chat 2

Time of First Successful Submission: 2025-11-03 16:53:38

Secure Chat 3

Time of First Successful Submission: 2025-11-05 02:09:28

Secure Chat 4

Time of First Successful Submission: 2025-11-05 22:07:03

Secure Chat 5

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

Program Security

159 / 162 63 / 9029

ello ackers!

Time of First Successful Submission: 2025-11-06 13:43:41

Syscall Smuggler

Time of First Successful Submission: 2025-11-06 16:05:01

Syscall Shenanigans

Time of First Successful Submission: 2025-11-06 16:06:30

Byte Budget

Time of First Successful Submission: 2025-11-06 22:24:44

ClobberCode

Time of First Successful Submission: 2025-11-07 20:35:44

Diverse Delivery

Time of First Successful Submission: 2025-11-07 20:49:23

Pocket Payload

Time of First Successful Submission: 2025-11-07 21:38:45

Micro Menace

Time of First Successful Submission: 2025-11-07 22:37:19

Login Leakage (Easy)

Time of First Successful Submission: 2025-11-08 14:34:58

Login Leakage (Hard)

Time of First Successful Submission: 2025-11-08 14:38:54

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-11-08 15:26:19

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-11-08 15:33:16

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-11-08 19:07:29

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-11-08 19:24:28

Pointer Problems (Easy)

Time of First Successful Submission: 2025-11-08 20:12:59

Pointer Problems (Hard)

Time of First Successful Submission: 2025-11-08 20:27:46

Anomalous Array (Easy)

Time of First Successful Submission: 2025-11-10 16:38:45

Anomalous Array (Hard)

Time of First Successful Submission: 2025-11-10 16:52:53

Now you got it (Easy)

Time of First Successful Submission: 2025-11-10 17:34:44

Now you got it (Hard)

Time of First Successful Submission: 2025-11-10 18:08:24

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-11-10 19:06:03

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-11-10 19:13:55

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-11-10 19:47:23

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-11-10 19:53:22

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-11-11 02:16:04

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-11-11 13:28:34

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-11-11 13:32:39

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-11-11 13:45:56

Latent Leak (Easy)

Time of First Successful Submission: 2025-11-11 14:27:10

Latent Leak (Hard)

Time of First Successful Submission: 2025-11-11 19:17:00

Fork Foolery (Easy)

Time of First Successful Submission: 2025-11-12 16:43:25

Fork Foolery (Hard)

Time of First Successful Submission: 2025-11-12 16:51:31

Canary Conundrum (Easy)

Time of First Successful Submission: 2025-11-12 19:48:57

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-11-12 21:06:03

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-11-13 01:03:26

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-11-13 01:38:55

Can It Fizz?

Time of First Successful Submission: 2025-11-14 21:17:35

Does It Buzz?

Time of First Successful Submission: 2025-11-15 02:00:00

Make It FizzBuzz

Time of First Successful Submission: 2025-11-15 16:32:32

Terrible Token (Easy)

Time of First Successful Submission: 2025-11-16 00:45:35

Terrible Token (Hard)

Time of First Successful Submission: 2025-11-16 00:50:54

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-11-16 00:56:29

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-11-16 03:02:45

Bit Bender

Time of First Successful Submission: 2025-11-16 16:32:00

Substitution Sorcery

Time of First Successful Submission: 2025-11-16 17:09:18

Meager Mangler (Easy)

Time of First Successful Submission: 2025-11-16 18:24:32

Meager Mangler (Hard)

Time of First Successful Submission: 2025-11-16 19:34:29

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-11-17 13:30:29

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-11-17 13:50:34

Patched Up (Easy)

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

Patched Up (Hard)

Time of First Successful Submission: 2025-11-17 14:26:55

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-11-17 14:41:05

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-11-17 14:54:11

Patch Perfect (Easy)

Time of First Successful Submission: 2025-11-17 15:04:57

Patch Perfect (Hard)

Time of First Successful Submission: 2025-11-17 15:07:07

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-11-17 18:05:25

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-11-18 00:35:49

Know the Yancode (Easy)

Time of First Successful Submission: 2025-11-18 01:09:53

Know the Yancode (Hard)

Time of First Successful Submission: 2025-11-18 01:44:11

Master the Yancode (Easy)

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

Master the Yancode (Hard)

Time of First Successful Submission: 2025-11-18 22:53:22

Transcend the Yancode (Easy)

Time of First Successful Submission: 2025-11-18 23:30:19

Transcend the Yancode (Hard)

Time of First Successful Submission: 2025-11-19 00:14:42

The Yanalyzer (Easy)

Time of First Successful Submission: 2025-11-25 01:23:46

The Yanalyzer (Hard)

Time of First Successful Submission: 2025-11-25 15:52:16

The Yangler (Easy)

Time of First Successful Submission: 2025-11-26 15:31:45

The Yangler (Hard)

Time of First Successful Submission: 2025-11-26 15:54:48

Yancraft (Easy)

Time of First Successful Submission: 2025-11-26 19:21:22

Yancraft (Hard)

Time of First Successful Submission: 2025-11-26 19:43:39

Yansanity (Easy)

Time of First Successful Submission: 2025-11-28 15:24:15

Yansanity (Hard)

Time of First Successful Submission: 2025-11-28 18:43:34

When the Cow Says Moo

Time of First Successful Submission: 2025-11-30 00:16:29

Predictable Migration

Time of First Successful Submission: 2025-12-02 15:01:00

Hashing Heifers

Time of First Successful Submission: 2025-12-02 19:23:46

Salty Stampede

Time of First Successful Submission: 2025-12-03 17:16:05

Loose Link (Easy)

Time of First Successful Submission: 2025-12-03 19:39:22

Loose Link (Hard)

Time of First Successful Submission: 2025-12-03 19:45:32

Call Chain (Easy)

Time of First Successful Submission: 2025-12-03 20:18:01

Call Chain (Hard)

Time of First Successful Submission: 2025-12-03 20:22:16

Chain of Command (Easy)

Time of First Successful Submission: 2025-12-04 14:06:18

Chain of Command (Hard)

Time of First Successful Submission: 2025-12-04 14:10:03

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2025-12-06 13:44:26

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2025-12-06 14:18:22

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2025-12-07 13:49:09

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2025-12-07 16:35:14

Indirect Invocation (Easy)

Time of First Successful Submission: 2025-12-08 16:30:40

Indirect Invocation (Hard)

Time of First Successful Submission: 2025-12-08 19:27:11

Leaky Libc (Easy)

Time of First Successful Submission: 2025-12-08 19:46:06

Leaky Libc (Hard)

Time of First Successful Submission: 2025-12-08 19:52:26

Putsception (Easy)

Time of First Successful Submission: 2025-12-08 19:55:41

Putsception (Hard)

Time of First Successful Submission: 2025-12-08 19:58:52

Pivotal Prelude (Easy)

Time of First Successful Submission: 2025-12-09 16:20:18

Pivotal Prelude (Hard)

Time of First Successful Submission: 2025-12-09 18:23:44

Pivotal Pointer (Easy)

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

Pivotal Pointer (Hard)

Time of First Successful Submission: 2025-12-10 13:49:09

Pivotal Payload (Easy)

Time of First Successful Submission: 2025-12-10 13:55:52

Pivotal Payload (Hard)

Time of First Successful Submission: 2025-12-10 13:58:37

Pivotal Pursuit (Easy)

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

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2025-12-12 14:07:26

Guarded Gadgets (Easy)

Time of First Successful Submission: 2025-12-12 15:47:27

Guarded Gadgets (Hard)

Time of First Successful Submission: 2025-12-12 15:48:16

ROP Roulette (Easy)

Time of First Successful Submission: 2025-12-13 22:38:44

ROP Roulette (Hard)

Time of First Successful Submission: 2025-12-13 22:50:23

Libc Lottery (Easy)

Time of First Successful Submission: 2025-12-14 21:46:39

Libc Lottery (Hard)

Time of First Successful Submission: 2025-12-14 21:51:26

Freebie (Easy)

Time of First Successful Submission: 2025-12-15 13:24:31

Freebie (Hard)

Time of First Successful Submission: 2025-12-15 13:28:20

Freebin Feint (Easy)

Time of First Successful Submission: 2025-12-15 13:31:20

Freebin Feint (Hard)

Time of First Successful Submission: 2025-12-15 19:44:38

Free Flag Fumble (Easy)

Time of First Successful Submission: 2025-12-15 19:54:24

Free Flag Fumble (Hard)

Time of First Successful Submission: 2025-12-15 19:59:47

Fickle Free (Easy)

Time of First Successful Submission: 2025-12-16 14:03:09

Fickle Free (Hard)

Time of First Successful Submission: 2025-12-16 14:07:19

Malloc Mirage (Easy)

Time of First Successful Submission: 2025-12-16 14:15:09

Malloc Mirage (Hard)

Time of First Successful Submission: 2025-12-16 14:28:26

Seeking Secrets (Easy)

Time of First Successful Submission: 2025-12-16 14:54:36

Seeking Secrets (Hard)

Time of First Successful Submission: 2025-12-16 15:01:33

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2025-12-16 15:43:02

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2025-12-16 15:55:42

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2025-12-16 21:54:14

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2025-12-16 21:57:38

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2025-12-17 01:23:40

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2025-12-17 01:30:11

Sus Sequence (Easy)

Time of First Successful Submission: 2025-12-17 13:57:01

Sus Sequence (Hard)

Time of First Successful Submission: 2025-12-17 13:59:34

Echo Emanations (Easy)

Time of First Successful Submission: 2025-12-17 15:42:55

Echo Emanations (Hard)

Time of First Successful Submission: 2025-12-17 15:47:37

Stack Spoofing (Easy)

Time of First Successful Submission: 2025-12-17 18:06:12

Stack Spoofing (Hard)

Time of First Successful Submission: 2025-12-17 18:21:21

Stack Summoning (Easy)

Time of First Successful Submission: 2025-12-17 19:08:39

Stack Summoning (Hard)

Time of First Successful Submission: 2025-12-17 19:13:29

Enterprising Echo (Easy)

Time of First Successful Submission: 2025-12-17 19:42:21

Enterprising Echo (Hard)

Time of First Successful Submission: 2025-12-17 20:04:27

Ephemeral Echo (Easy)

Time of First Successful Submission: 2025-12-17 22:49:03

Ephemeral Echo (Hard)

Time of First Successful Submission: 2025-12-17 22:54:23

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2025-12-18 19:41:06

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2025-12-18 19:49:58

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2025-12-18 23:51:27

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2025-12-19 00:05:40

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2025-12-19 14:04:45

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2025-12-19 14:59:49

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2025-12-19 20:02:05

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2025-12-19 20:17:30

Tcache Terror (Easy)

Time of First Successful Submission: 2025-12-21 19:41:20

Tcache Terror (Hard)

Time of First Successful Submission: 2025-12-21 19:59:32

Containment Composition (Easy)

Time of First Successful Submission: 2025-12-23 16:30:17

Containment Composition (Hard)

Time of First Successful Submission: 2025-12-23 19:51:36

Constant Corruption (Easy)

Time of First Successful Submission: 2025-12-23 20:51:13

Constant Corruption (Hard)

Time of First Successful Submission: 2025-12-23 21:18:48

Return to YanLand (Easy)

Time of First Successful Submission: 2025-12-26 03:04:27

Return to YanLand (Hard)

Time of First Successful Submission: 2025-12-26 03:20:31

Escape from YanLand (Easy)

Time of First Successful Submission: 2025-12-26 16:36:38

Escape from YanLand (Hard)

Time of First Successful Submission: 2025-12-26 17:09:20

The YanFilter (Easy)

Time of First Successful Submission: 2025-12-26 20:54:28

The YanFilter (Hard)

Time of First Successful Submission: 2025-12-26 21:13:32

The Great YanFilter (Easy)

Time of First Successful Submission: 2025-12-27 02:08:35

The Great YanFilter (Hard)

Time of First Successful Submission: 2025-12-27 02:46:15

Yan85 Reborn (Easy)

Time of First Successful Submission: 2025-12-31 20:38:06

Yan85 Reborn (Hard)

Time of First Successful Submission: 2025-12-31 21:02:34

System Security

69 / 95 296 / 3184

chroot-escape-basic

Time of First Successful Submission: 2026-01-01 22:30:14

chroot-shellcode

Time of First Successful Submission: 2026-01-02 21:42:47

chroot-proper

Time of First Successful Submission: 2026-01-02 21:55:09

seccomp-basic

Time of First Successful Submission: 2026-01-03 00:08:56

seccomp-linkat

Time of First Successful Submission: 2026-01-03 01:37:59

seccomp-fchdir

Time of First Successful Submission: 2026-01-03 01:40:36

seccomp-rechroot

Time of First Successful Submission: 2026-01-03 02:17:06

seccomp-only

Time of First Successful Submission: 2026-01-03 02:36:44

seccomp-arch32

Time of First Successful Submission: 2026-01-03 03:09:31

seccomp-minimal

Time of First Successful Submission: 2026-01-03 03:24:27

seccomp-timebased

Time of First Successful Submission: 2026-01-03 14:59:55

seccomp-readonly

Time of First Successful Submission: 2026-01-03 16:03:16

process-isolation

Time of First Successful Submission: 2026-01-03 16:26:27

mount-namespace

Time of First Successful Submission: 2026-01-03 23:34:30

mount-cleanup

Time of First Successful Submission: 2026-01-03 23:54:54

mount-readonly

Time of First Successful Submission: 2026-01-04 00:16:54

mount-shellcode

Time of First Successful Submission: 2026-01-04 00:40:55

mount-bindmount

Time of First Successful Submission: 2026-01-04 17:32:04

level1.0

Time of First Successful Submission: 2026-01-04 21:53:23

level1.1

Time of First Successful Submission: 2026-01-04 22:01:23

level2.0

Time of First Successful Submission: 2026-01-04 22:08:44

level2.1

Time of First Successful Submission: 2026-01-04 23:00:43

level3.0

Time of First Successful Submission: 2026-01-04 23:13:22

level3.1

Time of First Successful Submission: 2026-01-04 23:14:04

level4.0

Time of First Successful Submission: 2026-01-05 00:00:10

level4.1

Time of First Successful Submission: 2026-01-05 00:07:12

level5.0

Time of First Successful Submission: 2026-01-05 02:08:43

level5.1

Time of First Successful Submission: 2026-01-06 16:28:14

level6.0

Time of First Successful Submission: 2026-01-06 17:18:57

level6.1

Time of First Successful Submission: 2026-01-06 17:20:04

level7.0

Time of First Successful Submission: 2026-01-06 18:34:04

level7.1

Time of First Successful Submission: 2026-01-06 18:59:47

level8.0

Time of First Successful Submission: 2026-01-06 20:16:52

level8.1

Time of First Successful Submission: 2026-01-06 20:41:35

level9.0

Time of First Successful Submission: 2026-01-06 22:37:25

level9.1

Time of First Successful Submission: 2026-01-07 15:14:58

level10.0

Time of First Successful Submission: 2026-01-07 16:01:23

level10.1

Time of First Successful Submission: 2026-01-07 18:25:10

level11.0

Time of First Successful Submission: 2026-01-07 18:42:03

level11.1

Time of First Successful Submission: 2026-01-07 18:48:06

level1.0

Time of First Successful Submission: 2026-01-09 15:43:19

level1.1

Time of First Successful Submission: 2026-01-09 16:04:21

level2.0

Time of First Successful Submission: 2026-01-09 16:16:27

level2.1

Time of First Successful Submission: 2026-01-09 16:29:48

level3.0

Time of First Successful Submission: 2026-01-09 16:43:02

level3.1

Time of First Successful Submission: 2026-01-09 22:03:48

level4.0

Time of First Successful Submission: 2026-01-09 22:12:13

level4.1

Time of First Successful Submission: 2026-01-09 22:16:15

level5.0

Time of First Successful Submission: 2026-01-09 22:37:14

level5.1

Time of First Successful Submission: 2026-01-09 22:40:39

level6.0

Time of First Successful Submission: 2026-01-11 23:55:21

level6.1

Time of First Successful Submission: 2026-01-11 23:56:36

level7.0

Time of First Successful Submission: 2026-01-12 15:13:39

level7.1

Time of First Successful Submission: 2026-01-12 15:19:24

level8.0

Time of First Successful Submission: 2026-01-12 19:22:22

level8.1

Time of First Successful Submission: 2026-01-12 19:25:14

level9.0

Time of First Successful Submission: 2026-01-12 19:57:42

level9.1

Time of First Successful Submission: 2026-01-12 19:58:56

level10.0

Time of First Successful Submission: 2026-01-12 20:20:04

level10.1

Time of First Successful Submission: 2026-01-12 20:23:56

level11.0

Time of First Successful Submission: 2026-01-14 22:14:07

level11.1

Time of First Successful Submission: 2026-01-14 22:19:44

level12.0

Time of First Successful Submission: 2026-01-14 22:27:43

level12.1

Time of First Successful Submission: 2026-01-14 22:29:40

Baby Spectre 1

Time of First Successful Submission: 2026-01-19 19:46:38

Baby Spectre 2

Time of First Successful Submission: 2026-01-19 20:15:24

Baby Spectre 3

Time of First Successful Submission: 2026-01-19 22:18:56

Baby Spectre 4

Time of First Successful Submission: 2026-01-19 23:38:20

Baby Spectre 5

Time of First Successful Submission: 2026-01-20 15:26:05

Start Here

10 / 12 16274 / 38352

Using the Terminal

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

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-04 17:38:24

Using the GUI Desktop

Time of First Successful Submission: 2025-09-04 17:40:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-04 17:41:26

Restarting Challenges

Time of First Successful Submission: 2025-09-04 17:43:34

Challenge Programs

Time of First Successful Submission: 2025-09-04 17:47:07

The Flag File

Time of First Successful Submission: 2025-09-04 17:49:21

Using Privileged Mode

Time of First Successful Submission: 2025-09-04 17:52:11

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-04 17:54:18

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-04 17:54:47

Linux Luminarium

128 / 128 36 / 28356

Intro to Commands

Time of First Successful Submission: 2025-09-04 18:13:22

Intro to Arguments

Time of First Successful Submission: 2025-09-04 18:14:06

Command History

Time of First Successful Submission: 2025-09-04 18:14:29

The Root

Time of First Successful Submission: 2025-09-04 18:19:00

Program and absolute paths

Time of First Successful Submission: 2025-09-04 18:19:51

Position thy self

Time of First Successful Submission: 2025-09-05 12:52:14

Position elsewhere

Time of First Successful Submission: 2025-09-05 12:52:52

implicit relative paths, from /

Time of First Successful Submission: 2025-09-05 12:54:44

explicit relative paths, from /

Time of First Successful Submission: 2025-09-05 12:55:27

implicit relative path

Time of First Successful Submission: 2025-09-05 12:56:34

home sweet home

Time of First Successful Submission: 2025-09-05 12:58:43

cat: not the pet, but the command!

Time of First Successful Submission: 2025-09-05 12:59:44

catting absolute paths

Time of First Successful Submission: 2025-09-05 13:00:01

more catting practice

Time of First Successful Submission: 2025-09-05 13:00:40

grepping for a needle in a haystack

Time of First Successful Submission: 2025-09-05 13:01:04

comparing files

Time of First Successful Submission: 2025-09-05 13:01:50

listing files

Time of First Successful Submission: 2025-09-05 13:03:32

touching files

Time of First Successful Submission: 2025-09-05 13:04:08

removing files

Time of First Successful Submission: 2025-09-05 13:04:31

moving files

Time of First Successful Submission: 2025-09-05 13:05:15

copying files

Time of First Successful Submission: 2025-11-06 13:11:58

hidden files

Time of First Successful Submission: 2025-09-05 13:06:29

An Epic Filesystem Quest

Time of First Successful Submission: 2025-09-05 13:13:02

making directories

Time of First Successful Submission: 2025-09-05 13:13:57

finding files

Time of First Successful Submission: 2025-09-05 13:16:39

linking files

Time of First Successful Submission: 2025-09-05 13:23:15

Learning From Documentation

Time of First Successful Submission: 2025-09-05 13:25:09

Learning Complex Usage

Time of First Successful Submission: 2025-09-05 13:25:50

Reading Manuals

Time of First Successful Submission: 2025-09-05 13:27:58

Searching Manuals

Time of First Successful Submission: 2025-09-05 13:30:14

Searching For Manuals

Time of First Successful Submission: 2025-09-05 13:48:01

Helpful Programs

Time of First Successful Submission: 2025-09-05 13:49:31

Help for Builtins

Time of First Successful Submission: 2025-09-05 13:50:46

Matching with *

Time of First Successful Submission: 2025-09-05 13:57:35

Matching with ?

Time of First Successful Submission: 2025-09-05 13:58:12

Matching with []

Time of First Successful Submission: 2025-09-05 13:59:33

Matching paths with []

Time of First Successful Submission: 2025-09-05 14:00:19

Multiple globs

Time of First Successful Submission: 2025-09-05 14:01:26

Mixing globs

Time of First Successful Submission: 2025-09-05 14:06:50

Exclusionary globbing

Time of First Successful Submission: 2025-09-05 14:07:56

Tab completion

Time of First Successful Submission: 2025-09-05 14:08:36

Multiple options for tab completion

Time of First Successful Submission: 2025-09-05 14:09:30

Tab completion on commands

Time of First Successful Submission: 2025-09-05 14:09:51

Redirecting output

Time of First Successful Submission: 2025-09-05 14:11:39

Redirecting more output

Time of First Successful Submission: 2025-09-05 14:12:20

Appending output

Time of First Successful Submission: 2025-09-05 14:13:51

Redirecting errors

Time of First Successful Submission: 2025-09-05 14:16:49

Redirecting input

Time of First Successful Submission: 2025-09-05 14:18:15

Grepping stored results

Time of First Successful Submission: 2025-09-05 14:19:25

Grepping live output

Time of First Successful Submission: 2025-09-05 14:20:11

Grepping errors

Time of First Successful Submission: 2025-09-05 14:21:36

Filtering with grep -v

Time of First Successful Submission: 2025-09-05 14:22:12

Filtering with sed

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

Duplicating piped data with tee

Time of First Successful Submission: 2025-09-05 14:24:37

Process substitution for input

Time of First Successful Submission: 2025-09-05 14:33:03

Writing to multiple programs

Time of First Successful Submission: 2025-09-05 14:40:05

Split-piping stderr and stdout

Time of First Successful Submission: 2025-09-05 14:53:04

Named pipes

Time of First Successful Submission: 2025-09-05 14:57:30

Printing Variables

Time of First Successful Submission: 2025-09-05 15:15:12

Setting Variables

Time of First Successful Submission: 2025-09-05 15:16:10

Multi-word Variables

Time of First Successful Submission: 2025-09-05 15:16:37

Exporting Variables

Time of First Successful Submission: 2025-09-05 15:19:33

Printing Exported Variables

Time of First Successful Submission: 2025-09-05 15:19:52

Storing Command Output

Time of First Successful Submission: 2025-09-05 15:22:48

Reading Input

Time of First Successful Submission: 2025-09-05 15:26:01

Reading Files

Time of First Successful Submission: 2025-09-05 15:28:31

Translating characters

Time of First Successful Submission: 2025-09-05 15:39:27

Deleting characters

Time of First Successful Submission: 2025-09-05 15:40:24

Deleting newlines

Time of First Successful Submission: 2025-09-05 15:42:13

Extracting the first lines with head

Time of First Successful Submission: 2025-09-05 15:44:44

Extracting specific sections of text

Time of First Successful Submission: 2025-09-05 15:46:18

Sorting data

Time of First Successful Submission: 2025-09-05 15:47:53

Listing Processes

Time of First Successful Submission: 2025-09-05 16:47:56

Killing Processes

Time of First Successful Submission: 2025-09-08 12:47:21

Interrupting Processes

Time of First Successful Submission: 2025-09-08 12:48:29

Killing Misbehaving Processes

Time of First Successful Submission: 2025-09-08 12:56:51

Suspending Processes

Time of First Successful Submission: 2025-09-08 12:57:52

Resuming Processes

Time of First Successful Submission: 2025-09-08 12:58:27

Backgrounding Processes

Time of First Successful Submission: 2025-09-08 13:01:33

Foregrounding Processes

Time of First Successful Submission: 2025-09-08 13:03:28

Starting Backgrounded Processes

Time of First Successful Submission: 2025-09-08 13:04:04

Process Exit Codes

Time of First Successful Submission: 2025-09-08 13:05:09

Becoming root with su

Time of First Successful Submission: 2025-09-08 13:17:37

Other users with su

Time of First Successful Submission: 2025-09-08 13:18:20

Cracking passwords

Time of First Successful Submission: 2025-09-08 13:23:41

Using sudo

Time of First Successful Submission: 2025-09-08 13:26:28

Changing File Ownership

Time of First Successful Submission: 2025-09-08 13:40:28

Groups and Files

Time of First Successful Submission: 2025-09-08 13:43:17

Fun With Groups Names

Time of First Successful Submission: 2025-09-08 13:46:36

Changing Permissions

Time of First Successful Submission: 2025-09-08 13:51:51

Executable Files

Time of First Successful Submission: 2025-09-08 13:53:36

Permission Tweaking Practice

Time of First Successful Submission: 2025-09-08 14:03:09

Permissions Setting Practice

Time of First Successful Submission: 2025-09-08 14:09:51

The SUID Bit

Time of First Successful Submission: 2025-09-08 14:11:14

Chaining with Semicolons

Time of First Successful Submission: 2025-09-08 14:33:39

Building on Success

Time of First Successful Submission: 2025-09-08 14:35:14

Handling Failure

Time of First Successful Submission: 2025-09-08 14:36:02

Your First Shell Script

Time of First Successful Submission: 2025-09-08 14:40:31

Redirecting Script Output

Time of First Successful Submission: 2025-09-08 14:43:11

Executable Shell Scripts

Time of First Successful Submission: 2025-09-08 14:45:19

Understanding Shebangs

Time of First Successful Submission: 2025-09-08 14:48:50

Scripting with Arguments

Time of First Successful Submission: 2025-09-08 14:50:02

Scripting with Conditionals

Time of First Successful Submission: 2025-09-08 14:52:00

Scripting with Default Cases

Time of First Successful Submission: 2025-09-08 14:52:46

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-09-08 14:55:05

Reading Shell Scripts

Time of First Successful Submission: 2025-09-08 14:57:00

Launching Screen

Time of First Successful Submission: 2025-09-08 14:59:45

Detaching and Attaching

Time of First Successful Submission: 2025-09-08 15:01:12

Finding Sessions

Time of First Successful Submission: 2025-09-08 15:02:18

Switching Windows

Time of First Successful Submission: 2025-09-08 15:03:52

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-09-08 15:08:26

Switching Windows (tmux)

Time of First Successful Submission: 2025-09-08 15:09:16

The PATH Variable

Time of First Successful Submission: 2025-09-08 15:11:11

Setting PATH

Time of First Successful Submission: 2025-09-08 15:12:25

Finding Commands

Time of First Successful Submission: 2025-09-08 15:14:19

Adding Commands

Time of First Successful Submission: 2025-09-08 15:18:22

Hijacking Commands

Time of First Successful Submission: 2025-09-08 15:28:03

Bashrc Backdoor

Time of First Successful Submission: 2025-09-08 15:32:53

Sniffing Input

Time of First Successful Submission: 2025-09-08 15:43:59

Overshared Directories

Time of First Successful Submission: 2025-09-08 15:50:26

Tricky Linking

Time of First Successful Submission: 2025-09-08 15:55:51

Sniffing Process Arguments

Time of First Successful Submission: 2025-09-08 15:58:01

Snooping on Configurations

Time of First Successful Submission: 2025-09-08 16:00:07

The Fork Bomb

Time of First Successful Submission: 2025-09-09 12:57:48

Disk-Space Doomsday

Time of First Successful Submission: 2025-09-09 13:00:01

rm -rf /

Time of First Successful Submission: 2025-09-09 13:06:05

Life after rm -rf /

Time of First Successful Submission: 2025-09-09 13:16:55

Finding meaning after rm -rf /

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

Computing 101

69 / 69 815 / 19402

Your First Register

Time of First Successful Submission: 2025-09-09 13:27:07

Your First Syscall

Time of First Successful Submission: 2025-09-09 13:29:39

Exit Codes

Time of First Successful Submission: 2025-09-09 13:30:54

Building Executables

Time of First Successful Submission: 2025-09-09 13:35:45

Moving Between Registers

Time of First Successful Submission: 2025-09-09 13:38:25

Tracing Syscalls

Time of First Successful Submission: 2025-09-09 14:44:11

Starting GDB

Time of First Successful Submission: 2025-09-09 14:45:10

Starting Programs in GDB

Time of First Successful Submission: 2025-09-09 14:46:11

Loading From Memory

Time of First Successful Submission: 2025-09-09 14:51:18

More Loading Practice

Time of First Successful Submission: 2025-09-09 14:52:15

Dereferencing Pointers

Time of First Successful Submission: 2025-09-09 14:54:34

Dereferencing Yourself

Time of First Successful Submission: 2025-09-09 14:56:38

Dereferencing with Offsets

Time of First Successful Submission: 2025-09-09 14:57:48

Stored Addresses

Time of First Successful Submission: 2025-09-09 15:01:16

Double Dereference

Time of First Successful Submission: 2025-09-09 15:03:45

Triple Dereference

Time of First Successful Submission: 2025-09-09 15:06:00

Writing Output

Time of First Successful Submission: 2025-09-10 12:54:47

Chaining Syscalls

Time of First Successful Submission: 2025-09-10 12:56:05

Writing Strings

Time of First Successful Submission: 2025-09-10 12:56:42

Reading Data

Time of First Successful Submission: 2025-09-10 12:58:45

set-register

Time of First Successful Submission: 2025-09-10 13:09:34

set-multiple-registers

Time of First Successful Submission: 2025-09-10 13:10:46

add-to-register

Time of First Successful Submission: 2025-09-10 13:33:38

linear-equation-registers

Time of First Successful Submission: 2025-09-10 13:45:44

integer-division

Time of First Successful Submission: 2025-09-10 13:53:24

modulo-operation

Time of First Successful Submission: 2025-09-10 13:54:59

set-upper-byte

Time of First Successful Submission: 2025-09-10 13:56:32

efficient-modulo

Time of First Successful Submission: 2025-09-10 14:05:41

byte-extraction

Time of First Successful Submission: 2025-09-10 14:14:01

bitwise-and

Time of First Successful Submission: 2025-09-10 14:18:03

check-even

Time of First Successful Submission: 2025-09-10 14:38:15

memory-read

Time of First Successful Submission: 2025-09-10 14:41:38

memory-write

Time of First Successful Submission: 2025-09-10 14:42:08

memory-increment

Time of First Successful Submission: 2025-09-10 14:45:33

byte-access

Time of First Successful Submission: 2025-09-10 14:48:21

memory-size-access

Time of First Successful Submission: 2025-09-10 14:49:53

little-endian-write

Time of First Successful Submission: 2025-09-10 15:14:36

memory-sum

Time of First Successful Submission: 2025-09-10 15:21:00

stack-subtraction

Time of First Successful Submission: 2025-09-10 15:23:25

swap-stack-values

Time of First Successful Submission: 2025-09-10 15:24:36

average-stack-values

Time of First Successful Submission: 2025-09-10 15:30:51

absolute-jump

Time of First Successful Submission: 2025-09-10 15:32:48

relative-jump

Time of First Successful Submission: 2025-09-10 16:02:34

jump-trampoline

Time of First Successful Submission: 2025-09-10 16:34:58

conditional-jump

Time of First Successful Submission: 2025-09-10 16:47:46

indirect-jump

Time of First Successful Submission: 2025-09-10 17:12:57

average-loop

Time of First Successful Submission: 2025-09-10 17:37:45

count-non-zero

Time of First Successful Submission: 2025-09-11 12:44:03

string-lower

Time of First Successful Submission: 2025-09-11 14:17:35

most-common-byte

Time of First Successful Submission: 2025-09-11 15:42:54

Debugging Programs

Time of First Successful Submission: 2025-09-11 15:47:13

Inspecting Registers

Time of First Successful Submission: 2025-09-11 17:16:28

Examining Memory

Time of First Successful Submission: 2025-09-11 17:46:17

Setting Breakpoints

Time of First Successful Submission: 2025-09-12 13:15:44

GDB Scripting

Time of First Successful Submission: 2025-09-12 13:36:06

Modifying Data

Time of First Successful Submission: 2025-09-12 13:43:06

Modifying Execution

Time of First Successful Submission: 2025-09-12 13:48:10

Broken Functions

Time of First Successful Submission: 2025-09-12 14:11:00

Exit

Time of First Successful Submission: 2025-09-12 15:10:07

Socket

Time of First Successful Submission: 2025-09-12 15:41:23

Bind

Time of First Successful Submission: 2025-09-12 16:06:39

Listen

Time of First Successful Submission: 2025-09-12 19:19:43

Accept

Time of First Successful Submission: 2025-09-12 19:22:36

Static Response

Time of First Successful Submission: 2025-09-12 21:34:23

Dynamic Response

Time of First Successful Submission: 2025-09-12 23:36:19

Iterative GET Server

Time of First Successful Submission: 2025-09-12 23:39:16

Concurrent GET Server

Time of First Successful Submission: 2025-09-12 23:41:55

Concurrent POST Server

Time of First Successful Submission: 2025-09-16 17:20:40

Web Server

Time of First Successful Submission: 2025-09-17 17:11:06

Playing With Programs

116 / 116 404 / 22213

What's the password?

Time of First Successful Submission: 2025-09-12 18:26:23

... and again!

Time of First Successful Submission: 2025-09-12 18:27:06

Newline Troubles

Time of First Successful Submission: 2025-09-12 18:29:17

Reasoning about files

Time of First Successful Submission: 2025-09-12 18:32:31

Specifying Filenames

Time of First Successful Submission: 2025-09-12 18:33:18

Binary and Hex Encoding

Time of First Successful Submission: 2025-09-18 01:23:23

More Hex

Time of First Successful Submission: 2025-09-19 16:49:13

Decoding Hex

Time of First Successful Submission: 2025-09-19 16:53:42

Decoding Practice

Time of First Successful Submission: 2025-09-19 16:56:13

Encoding Practice

Time of First Successful Submission: 2025-09-19 17:05:37

Hex-encoding ASCII

Time of First Successful Submission: 2025-09-19 17:12:45

Nested Encoding

Time of First Successful Submission: 2025-09-19 20:00:23

Hex-encoding UTF-8

Time of First Successful Submission: 2025-09-19 20:06:05

UTF Mixups

Time of First Successful Submission: 2025-09-19 20:12:52

Modifying Encoded Data

Time of First Successful Submission: 2025-09-19 20:19:03

Decoding Base64

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

Encoding Base64

Time of First Successful Submission: 2025-09-19 20:34:31

Dealing with Obfuscation

Time of First Successful Submission: 2025-09-19 20:36:05

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-09-19 20:40:18

Your First HTTP Request

Time of First Successful Submission: 2025-09-20 21:47:29

Reading Flask

Time of First Successful Submission: 2025-09-20 21:52:53

Commented Data

Time of First Successful Submission: 2025-09-20 21:54:53

HTTP Metadata

Time of First Successful Submission: 2025-09-20 21:56:41

HTTP (netcat)

Time of First Successful Submission: 2025-09-20 22:00:35

HTTP Paths (netcat)

Time of First Successful Submission: 2025-09-20 22:02:12

HTTP (curl)

Time of First Successful Submission: 2025-09-20 22:03:34

HTTP (python)

Time of First Successful Submission: 2025-09-20 22:17:51

HTTP Host Header (python)

Time of First Successful Submission: 2025-09-20 22:22:31

HTTP Host Header (curl)

Time of First Successful Submission: 2025-09-20 22:26:02

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-09-20 22:33:20

URL Encoding (netcat)

Time of First Successful Submission: 2025-09-20 22:37:30

HTTP GET Parameters

Time of First Successful Submission: 2025-09-20 22:39:18

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-09-20 22:41:36

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-09-20 22:46:09

HTTP Forms

Time of First Successful Submission: 2025-09-20 22:48:21

HTTP Forms (curl)

Time of First Successful Submission: 2025-09-20 22:51:00

HTTP Forms (netcat)

Time of First Successful Submission: 2025-09-20 22:58:58

HTTP Forms (python)

Time of First Successful Submission: 2025-09-20 23:00:25

HTTP Forms Without Forms

Time of First Successful Submission: 2025-09-20 23:05:03

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-09-20 23:06:50

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-09-20 23:12:40

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-09-20 23:15:27

HTTP Redirects (curl)

Time of First Successful Submission: 2025-09-20 23:16:57

HTTP Redirects (python)

Time of First Successful Submission: 2025-09-20 23:17:46

HTTP Cookies (curl)

Time of First Successful Submission: 2025-09-20 23:24:02

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-09-20 23:26:59

HTTP Cookies (python)

Time of First Successful Submission: 2025-09-20 23:29:10

Server State (python)

Time of First Successful Submission: 2025-09-21 00:25:51

Listening Web

Time of First Successful Submission: 2025-09-21 00:52:15

Speaking Redirects

Time of First Successful Submission: 2025-09-21 01:04:55

JavaScript Redirects

Time of First Successful Submission: 2025-09-21 11:45:03

Including JavaScript

Time of First Successful Submission: 2025-09-21 11:51:18

HTTP (javascript)

Time of First Successful Submission: 2025-09-21 12:02:01

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-09-21 12:04:52

HTTP Forms (javascript)

Time of First Successful Submission: 2025-09-21 12:11:13

cat

Time of First Successful Submission: 2025-09-21 15:28:25

more

Time of First Successful Submission: 2025-09-21 15:29:08

less

Time of First Successful Submission: 2025-09-21 15:29:29

tail

Time of First Successful Submission: 2025-09-21 15:29:43

head

Time of First Successful Submission: 2025-09-21 15:30:00

sort

Time of First Successful Submission: 2025-09-21 15:30:17

vim

Time of First Successful Submission: 2025-09-21 15:30:30

emacs

Time of First Successful Submission: 2025-09-21 15:30:46

nano

Time of First Successful Submission: 2025-09-21 15:31:01

rev

Time of First Successful Submission: 2025-09-21 15:31:20

od

Time of First Successful Submission: 2025-09-21 15:46:48

hd

Time of First Successful Submission: 2025-09-21 15:48:02

xxd

Time of First Successful Submission: 2025-09-21 15:48:46

base32

Time of First Successful Submission: 2025-09-21 15:49:17

base64

Time of First Successful Submission: 2025-09-21 15:49:40

split

Time of First Successful Submission: 2025-09-21 16:02:39

gzip

Time of First Successful Submission: 2025-09-21 16:07:35

bzip2

Time of First Successful Submission: 2025-09-21 16:24:56

zip

Time of First Successful Submission: 2025-09-21 16:38:00

tar

Time of First Successful Submission: 2025-09-21 16:48:48

ar

Time of First Successful Submission: 2025-09-21 17:19:00

cpio

Time of First Successful Submission: 2025-09-21 18:02:32

genisoimage

Time of First Successful Submission: 2025-09-21 19:49:10

env

Time of First Successful Submission: 2025-09-21 19:50:43

find

Time of First Successful Submission: 2025-09-21 19:59:19

make

Time of First Successful Submission: 2025-09-22 14:54:13

nice

Time of First Successful Submission: 2025-09-22 14:57:00

timeout

Time of First Successful Submission: 2025-09-22 14:58:25

stdbuf

Time of First Successful Submission: 2025-09-22 15:00:37

setarch

Time of First Successful Submission: 2025-09-22 15:03:04

watch

Time of First Successful Submission: 2025-09-22 15:03:41

socat

Time of First Successful Submission: 2025-09-22 18:09:58

whiptail

Time of First Successful Submission: 2025-09-22 18:20:22

awk

Time of First Successful Submission: 2025-09-23 00:28:41

sed

Time of First Successful Submission: 2025-09-23 00:30:39

ed

Time of First Successful Submission: 2025-09-23 00:33:07

chown

Time of First Successful Submission: 2025-09-23 00:33:41

chmod

Time of First Successful Submission: 2025-09-23 00:33:59

cp

Time of First Successful Submission: 2025-09-23 00:36:08

mv

Time of First Successful Submission: 2025-09-23 00:45:17

perl

Time of First Successful Submission: 2025-09-23 00:46:30

python

Time of First Successful Submission: 2025-09-23 00:47:21

ruby

Time of First Successful Submission: 2025-09-23 00:48:24

bash

Time of First Successful Submission: 2025-09-23 00:55:36

date

Time of First Successful Submission: 2025-09-23 00:56:06

dmesg

Time of First Successful Submission: 2025-09-23 00:58:26

wc

Time of First Successful Submission: 2025-09-23 01:00:40

gcc

Time of First Successful Submission: 2025-09-23 01:03:44

as

Time of First Successful Submission: 2025-09-23 01:04:37

wget

Time of First Successful Submission: 2025-09-23 01:22:15

ssh-keygen

Time of First Successful Submission: 2025-09-23 13:19:30

SQL Queries

Time of First Successful Submission: 2025-09-23 14:22:54

Filtering SQL

Time of First Successful Submission: 2025-09-23 14:24:08

Choosing Columns

Time of First Successful Submission: 2025-09-23 14:26:34

Exclusionary Filtering

Time of First Successful Submission: 2025-09-23 14:28:14

Filtering Strings

Time of First Successful Submission: 2025-09-23 14:29:46

Filtering on Expressions

Time of First Successful Submission: 2025-09-23 14:32:04

SELECTing Expressions

Time of First Successful Submission: 2025-09-23 14:37:14

Composite Conditions

Time of First Successful Submission: 2025-09-23 16:57:55

Reaching Your LIMITs

Time of First Successful Submission: 2025-09-23 17:00:22

Querying Metadata

Time of First Successful Submission: 2025-09-23 17:11:44

CybHer Dojo

10 / 104 16363 / 38570

Using the Terminal

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

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-04 17:38:24

Using the GUI Desktop

Time of First Successful Submission: 2025-09-04 17:40:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-04 17:41:26

Restarting Challenges

Time of First Successful Submission: 2025-09-04 17:43:34

Challenge Programs

Time of First Successful Submission: 2025-09-04 17:47:07

The Flag File

Time of First Successful Submission: 2025-09-04 17:49:21

Using Privileged Mode

Time of First Successful Submission: 2025-09-04 17:52:11

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-04 17:54:18

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-04 17:54:47

GCA CTF

10 / 104 16363 / 38570

Using the Terminal

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

Using the VSCode Workspace

Time of First Successful Submission: 2025-09-04 17:38:24

Using the GUI Desktop

Time of First Successful Submission: 2025-09-04 17:40:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-04 17:41:26

Restarting Challenges

Time of First Successful Submission: 2025-09-04 17:43:34

Challenge Programs

Time of First Successful Submission: 2025-09-04 17:47:07

The Flag File

Time of First Successful Submission: 2025-09-04 17:49:21

Using Privileged Mode

Time of First Successful Submission: 2025-09-04 17:52:11

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-04 17:54:18

Persistent Home Directories - Two

Time of First Successful Submission: 2025-09-04 17:54:47