SV

🐧

Intro to Programming Languages

15 / 253 9986 / 53196


Commands

Time of First Successful Submission: 2026-03-16 12:00:44

Command Arguments

Time of First Successful Submission: 2026-03-16 12:04:05

Command History

Time of First Successful Submission: 2026-03-16 12:05:49

The Root Path

Time of First Successful Submission: 2026-03-16 12:40:01

Absolute Paths

Time of First Successful Submission: 2026-03-16 12:41:21

Changing position

Time of First Successful Submission: 2026-03-16 12:44:05

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-16 12:45:31

Relative Paths

Time of First Successful Submission: 2026-03-16 12:47:39

Cat

Time of First Successful Submission: 2026-03-16 13:19:48

Ls

Time of First Successful Submission: 2026-03-16 17:18:10

Ls All

Time of First Successful Submission: 2026-03-16 17:34:02

Find

Time of First Successful Submission: 2026-03-16 17:52:26

Piping Echo

Time of First Successful Submission: 2026-03-17 07:02:21

Piping Stdout

Time of First Successful Submission: 2026-03-17 07:03:45

Piping Stdin

Time of First Successful Submission: 2026-03-17 07:09:34


Intro to Cybersecurity

183 / 183 324 / 25994


Path Traversal 1

Time of First Successful Submission: 2026-09-16 05:37:55

Path Traversal 2

Time of First Successful Submission: 2026-09-16 05:44:52

CMDi 1

Time of First Successful Submission: 2026-09-16 05:57:40

CMDi 2

Time of First Successful Submission: 2026-09-16 06:01:50

CMDi 3

Time of First Successful Submission: 2026-09-16 06:15:16

CMDi 4

Time of First Successful Submission: 2026-09-16 06:21:14

CMDi 5

Time of First Successful Submission: 2026-09-16 06:33:29

CMDi 6

Time of First Successful Submission: 2026-09-16 07:13:25

Authentication Bypass 1

Time of First Successful Submission: 2026-09-16 07:38:49

Authentication Bypass 2

Time of First Successful Submission: 2026-09-16 08:49:19

SQLi 1

Time of First Successful Submission: 2026-09-16 09:19:55

SQLi 2

Time of First Successful Submission: 2026-09-16 12:30:50

SQLi 3

Time of First Successful Submission: 2026-09-16 13:05:26

SQLi 4

Time of First Successful Submission: 2026-09-17 05:45:35

SQLi 5

Time of First Successful Submission: 2026-09-17 07:47:34

XSS 1

Time of First Successful Submission: 2026-09-17 08:34:05

XSS 2

Time of First Successful Submission: 2026-09-17 08:41:07

XSS 3

Time of First Successful Submission: 2026-09-17 09:50:59

XSS 4

Time of First Successful Submission: 2026-09-17 09:59:45

XSS 5

Time of First Successful Submission: 2026-09-17 10:56:51

XSS 6

Time of First Successful Submission: 2026-09-17 11:19:45

XSS 7

Time of First Successful Submission: 2026-09-17 12:20:05

CSRF 1

Time of First Successful Submission: 2026-09-18 05:39:30

CSRF 2

Time of First Successful Submission: 2026-09-18 05:53:04

CSRF 3

Time of First Successful Submission: 2026-09-18 06:28:25

CSRF 4

Time of First Successful Submission: 2026-09-18 07:11:41

CSRF 5

Time of First Successful Submission: 2026-09-18 14:24:25

Connect

Time of First Successful Submission: 2026-09-19 10:46:48

Send

Time of First Successful Submission: 2026-09-19 10:48:17

Shutdown

Time of First Successful Submission: 2026-09-19 10:54:59

Listen

Time of First Successful Submission: 2026-09-19 10:56:50

Scan 1

Time of First Successful Submission: 2026-09-19 11:37:24

Scan 2

Time of First Successful Submission: 2026-09-19 11:55:49

Monitor 1

Time of First Successful Submission: 2026-09-19 12:04:26

Monitor 2

Time of First Successful Submission: 2026-09-19 15:36:59

Sniffing Cookies

Time of First Successful Submission: 2026-09-19 15:54:24

Network Configuration

Time of First Successful Submission: 2026-09-19 16:07:31

Firewall 1

Time of First Successful Submission: 2026-09-19 16:23:23

Firewall 2

Time of First Successful Submission: 2026-09-19 16:28:22

Firewall 3

Time of First Successful Submission: 2026-09-19 16:31:00

Denial of Service 1

Time of First Successful Submission: 2026-09-19 16:35:02

Denial of Service 2

Time of First Successful Submission: 2026-09-19 16:40:35

Denial of Service 3

Time of First Successful Submission: 2026-09-19 17:36:57

Ethernet

Time of First Successful Submission: 2026-09-20 12:56:56

IP

Time of First Successful Submission: 2026-09-20 13:01:58

TCP

Time of First Successful Submission: 2026-09-20 13:06:05

TCP Handshake

Time of First Successful Submission: 2026-09-20 13:14:48

UDP

Time of First Successful Submission: 2026-09-20 13:23:36

UDP 2

Time of First Successful Submission: 2026-09-20 13:30:06

UDP Spoofing 1

Time of First Successful Submission: 2026-09-21 08:19:37

UDP Spoofing 2

Time of First Successful Submission: 2026-09-21 08:36:18

UDP Spoofing 3

Time of First Successful Submission: 2026-09-21 08:47:16

UDP Spoofing 4

Time of First Successful Submission: 2026-09-21 09:19:48

ARP

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

Intercept

Time of First Successful Submission: 2026-09-21 09:58:13

Man-in-the-Middle

Time of First Successful Submission: 2026-09-21 17:27:54

XOR

Time of First Successful Submission: 2026-09-22 04:52:08

XORing Hex

Time of First Successful Submission: 2026-09-22 04:58:21

XORing ASCII

Time of First Successful Submission: 2026-09-22 05:38:20

XORing ASCII Strings

Time of First Successful Submission: 2026-09-22 05:57:16

One-time Pad

Time of First Successful Submission: 2026-09-22 06:14:25

One-time Pad Tampering

Time of First Successful Submission: 2026-09-22 06:38:11

Many-time Pad

Time of First Successful Submission: 2026-09-22 07:30:56

AES

Time of First Successful Submission: 2026-09-22 08:06:47

AES-ECB-CPA

Time of First Successful Submission: 2026-09-22 10:18:34

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-09-22 16:21:19

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-09-23 05:28:47

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-09-23 05:47:45

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-09-23 06:22:12

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-09-23 06:30:01

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-09-23 08:39:09

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-09-23 09:53:40

AES-CBC

Time of First Successful Submission: 2026-09-24 05:42:30

AES-CBC Tampering

Time of First Successful Submission: 2026-09-24 06:34:33

AES-CBC Resizing

Time of First Successful Submission: 2026-09-24 06:55:05

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-09-25 09:43:19

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-09-25 12:40:16

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-09-25 13:42:42

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-09-26 09:53:43

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-09-26 15:01:03

DHKE

Time of First Successful Submission: 2026-09-26 15:41:17

DHKE-to-AES

Time of First Successful Submission: 2026-09-26 15:56:56

RSA 1

Time of First Successful Submission: 2026-09-27 10:58:41

RSA 2

Time of First Successful Submission: 2026-09-27 11:23:00

RSA 3

Time of First Successful Submission: 2026-09-27 11:42:38

RSA 4

Time of First Successful Submission: 2026-09-27 12:03:22

RSA Signatures

Time of First Successful Submission: 2026-09-27 12:36:17

SHA 1

Time of First Successful Submission: 2026-09-27 17:21:11

SHA 2

Time of First Successful Submission: 2026-09-27 17:41:16

TLS 1

Time of First Successful Submission: 2026-09-28 07:57:11

TLS 2

Time of First Successful Submission: 2026-09-28 08:49:34

level1

Time of First Successful Submission: 2026-09-29 08:51:12

level2

Time of First Successful Submission: 2026-09-29 08:52:41

level3

Time of First Successful Submission: 2026-09-29 08:53:44

level4

Time of First Successful Submission: 2026-09-29 08:55:24

level5

Time of First Successful Submission: 2026-09-29 09:06:31

level6

Time of First Successful Submission: 2026-09-29 09:14:02

level7

Time of First Successful Submission: 2026-09-29 09:23:16

level8

Time of First Successful Submission: 2026-09-29 09:24:48

level9

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

level10

Time of First Successful Submission: 2026-09-29 09:32:28

level11

Time of First Successful Submission: 2026-09-29 09:44:14

level12

Time of First Successful Submission: 2026-09-29 09:49:51

level13

Time of First Successful Submission: 2026-09-29 10:03:19

level14

Time of First Successful Submission: 2026-09-29 10:06:32

level15

Time of First Successful Submission: 2026-09-29 10:07:13

level16

Time of First Successful Submission: 2026-09-29 10:12:12

level17

Time of First Successful Submission: 2026-09-29 11:40:34

level18

Time of First Successful Submission: 2026-09-29 11:46:08

level19

Time of First Successful Submission: 2026-09-29 12:18:42

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-10-01 13:21:14

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-10-01 13:25:50

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-10-01 13:40:10

Reading Endianness (Python)

Time of First Successful Submission: 2026-10-01 13:47:30

Reading Endianness (C)

Time of First Successful Submission: 2026-10-01 13:56:12

Reading Endianness (x86)

Time of First Successful Submission: 2026-10-01 13:59:27

Version Information (Python)

Time of First Successful Submission: 2026-10-01 14:08:48

Version Information (C)

Time of First Successful Submission: 2026-10-01 14:10:50

Version Information (x86)

Time of First Successful Submission: 2026-10-01 14:14:03

Metadata and Data (Python)

Time of First Successful Submission: 2026-10-01 14:23:11

Metadata and Data (C)

Time of First Successful Submission: 2026-10-01 14:36:51

Metadata and Data (x86)

Time of First Successful Submission: 2026-10-01 14:51:23

Input Restrictions (Python)

Time of First Successful Submission: 2026-10-01 15:26:56

Input Restrictions (C)

Time of First Successful Submission: 2026-10-01 15:34:51

Input Restrictions (x86)

Time of First Successful Submission: 2026-10-01 15:40:21

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-10-01 15:48:19

Behold the cIMG! (C)

Time of First Successful Submission: 2026-10-01 15:51:42

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-10-01 16:19:59

A Basic cIMG (Python)

Time of First Successful Submission: 2026-10-01 16:33:12

A Basic cIMG (C)

Time of First Successful Submission: 2026-10-01 16:36:32

A Basic cIMG (x86)

Time of First Successful Submission: 2026-10-01 16:45:23

Internal State Mini (C)

Time of First Successful Submission: 2026-10-08 16:15:23

Internal State Mini (x86)

Time of First Successful Submission: 2026-10-08 16:27:36

Internal State (C)

Time of First Successful Submission: 2026-10-08 17:22:32

Internal State (x86)

Time of First Successful Submission: 2026-10-08 17:27:01

File Formats: Directives (C)

Time of First Successful Submission: 2026-10-09 07:58:22

File Formats: Directives (x86)

Time of First Successful Submission: 2026-10-09 08:07:38

The Patch Directive

Time of First Successful Submission: 2026-10-09 16:19:20

Optimizing for Space

Time of First Successful Submission: 2026-10-10 07:12:43

Tweaking Images

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

Storage and Retrieval

Time of First Successful Submission: 2026-10-10 14:22:48

Extracting Knowledge

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

Advanced Sprites

Time of First Successful Submission: 2026-10-11 14:06:52

Accessing Resources

Time of First Successful Submission: 2026-10-11 15:03:03

Unsafe Animations

Time of First Successful Submission: 2026-10-11 17:51:34

Animations

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

Interoperability: Patching Data

Time of First Successful Submission: 2026-10-13 17:50:52

Patching Code

Time of First Successful Submission: 2026-10-14 08:23:30

Patching Control Flow

Time of First Successful Submission: 2026-10-14 09:22:41

Your First Overflow (easy)

Time of First Successful Submission: 2026-10-14 10:19:15

Your First Overflow (hard)

Time of First Successful Submission: 2026-10-14 10:23:50

Precision (easy)

Time of First Successful Submission: 2026-10-14 11:45:26

Precision (hard)

Time of First Successful Submission: 2026-10-14 12:21:28

Variable Control (easy)

Time of First Successful Submission: 2026-10-14 12:29:40

Variable Control (hard)

Time of First Successful Submission: 2026-10-14 12:47:04

Control Hijack (easy)

Time of First Successful Submission: 2026-10-14 13:00:50

Control Hijack (hard)

Time of First Successful Submission: 2026-10-14 13:03:51

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-10-14 13:20:34

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-10-14 13:26:06

PIEs (easy)

Time of First Successful Submission: 2026-10-14 13:35:09

PIEs (hard)

Time of First Successful Submission: 2026-10-14 13:40:33

String Lengths (easy)

Time of First Successful Submission: 2026-10-14 16:52:43

String Lengths (hard)

Time of First Successful Submission: 2026-10-14 17:06:48

Basic Shellcode

Time of First Successful Submission: 2026-10-15 05:44:20

NOP Sleds

Time of First Successful Submission: 2026-10-15 05:57:05

NULL-Free Shellcode

Time of First Successful Submission: 2026-10-15 06:10:58

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-10-15 06:30:37

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-10-15 06:37:42

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-10-15 06:50:02

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-10-15 06:59:49

ECB-to-Win (easy)

Time of First Successful Submission: 2026-10-15 13:35:19

ECB-to-Win (hard)

Time of First Successful Submission: 2026-10-15 17:20:20

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-10-17 11:33:17

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-10-17 11:55:19

CIMG Screenshots

Time of First Successful Submission: 2026-10-18 10:27:24

CIMG Screenshots 2

Time of First Successful Submission: 2026-10-18 13:16:47

Wily Webserver

Time of First Successful Submission: 2026-10-19 05:28:51

The Watering Hole

Time of First Successful Submission: 2026-10-20 19:35:57

Secure Chat 1

Time of First Successful Submission: 2026-10-21 17:50:39

Secure Chat 2

Time of First Successful Submission: 2026-10-22 16:51:49

Secure Chat 3

Time of First Successful Submission: 2026-10-25 11:22:47

Secure Chat 4

Time of First Successful Submission: 2026-10-25 17:07:48

Secure Chat 5

Time of First Successful Submission: 2026-10-27 12:34:56


Program Security

159 / 159 131 / 10902


ello ackers!

Time of First Successful Submission: 2026-03-27 08:50:25

Syscall Smuggler

Time of First Successful Submission: 2026-03-28 10:22:18

Syscall Shenanigans

Time of First Successful Submission: 2026-03-28 11:48:19

Byte Budget

Time of First Successful Submission: 2026-03-29 16:32:15

ClobberCode

Time of First Successful Submission: 2026-03-30 06:42:35

Diverse Delivery

Time of First Successful Submission: 2026-03-30 16:59:32

Pocket Payload

Time of First Successful Submission: 2026-03-30 17:40:15

Micro Menace

Time of First Successful Submission: 2026-03-31 06:31:40

Login Leakage (Easy)

Time of First Successful Submission: 2026-04-03 11:40:41

Login Leakage (Hard)

Time of First Successful Submission: 2026-04-03 15:44:32

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-04-03 18:47:55

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-04-04 13:40:15

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-04-04 14:36:12

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-04-04 14:53:36

Pointer Problems (Easy)

Time of First Successful Submission: 2026-04-04 15:09:34

Pointer Problems (Hard)

Time of First Successful Submission: 2026-04-04 17:04:08

Anomalous Array (Easy)

Time of First Successful Submission: 2026-04-04 19:17:13

Anomalous Array (Hard)

Time of First Successful Submission: 2026-04-05 08:20:57

Now you got it (Easy)

Time of First Successful Submission: 2026-04-05 14:15:28

Now you got it (Hard)

Time of First Successful Submission: 2026-04-05 19:11:45

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-04-06 16:04:05

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-04-07 06:53:03

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-04-07 11:52:54

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-04-07 16:51:17

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-04-08 07:08:09

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-04-08 10:54:50

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-04-08 16:24:50

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-04-08 16:42:03

Latent Leak (Easy)

Time of First Successful Submission: 2026-04-08 18:40:40

Latent Leak (Hard)

Time of First Successful Submission: 2026-04-09 06:12:14

Fork Foolery (Easy)

Time of First Successful Submission: 2026-04-10 06:08:49

Fork Foolery (Hard)

Time of First Successful Submission: 2026-04-10 06:58:14

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-04-10 14:35:07

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-04-10 15:27:53

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-04-11 08:40:18

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-04-11 09:33:56

Can It Fizz?

Time of First Successful Submission: 2026-04-13 09:37:56

Does It Buzz?

Time of First Successful Submission: 2026-04-15 06:49:44

Make It FizzBuzz

Time of First Successful Submission: 2026-04-16 18:05:51

Terrible Token (Easy)

Time of First Successful Submission: 2026-04-17 16:33:01

Terrible Token (Hard)

Time of First Successful Submission: 2026-04-17 16:38:57

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-04-17 16:51:59

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-04-17 17:08:52

Bit Bender

Time of First Successful Submission: 2026-04-17 19:46:54

Substitution Sorcery

Time of First Successful Submission: 2026-04-18 09:41:17

Meager Mangler (Easy)

Time of First Successful Submission: 2026-04-18 16:53:08

Meager Mangler (Hard)

Time of First Successful Submission: 2026-04-18 17:18:40

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-04-19 07:52:25

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-04-19 08:11:12

Patched Up (Easy)

Time of First Successful Submission: 2026-04-20 18:09:58

Patched Up (Hard)

Time of First Successful Submission: 2026-04-21 05:45:22

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-04-21 05:49:07

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-04-21 05:51:46

Patch Perfect (Easy)

Time of First Successful Submission: 2026-04-21 05:58:22

Patch Perfect (Hard)

Time of First Successful Submission: 2026-04-21 06:04:28

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-04-21 10:13:43

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-04-21 16:05:11

Know the Yancode (Easy)

Time of First Successful Submission: 2026-04-21 16:47:50

Know the Yancode (Hard)

Time of First Successful Submission: 2026-04-21 16:55:06

Master the Yancode (Easy)

Time of First Successful Submission: 2026-04-22 06:16:41

Master the Yancode (Hard)

Time of First Successful Submission: 2026-04-22 16:27:08

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-04-22 16:40:46

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-04-22 18:49:35

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-04-24 14:12:41

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-04-24 15:54:02

The Yangler (Easy)

Time of First Successful Submission: 2026-04-25 08:39:02

The Yangler (Hard)

Time of First Successful Submission: 2026-04-25 11:25:15

Yancraft (Easy)

Time of First Successful Submission: 2026-04-26 07:51:01

Yancraft (Hard)

Time of First Successful Submission: 2026-04-26 15:16:10

Yansanity (Easy)

Time of First Successful Submission: 2026-04-27 06:31:26

Yansanity (Hard)

Time of First Successful Submission: 2026-05-01 17:32:40

When the Cow Says Moo

Time of First Successful Submission: 2026-05-02 11:33:22

Predictable Migration

Time of First Successful Submission: 2026-05-03 18:23:41

Hashing Heifers

Time of First Successful Submission: 2026-05-04 15:23:07

Salty Stampede

Time of First Successful Submission: 2026-05-04 17:24:44

Loose Link (Easy)

Time of First Successful Submission: 2026-05-12 04:28:31

Loose Link (Hard)

Time of First Successful Submission: 2026-05-12 04:34:08

Call Chain (Easy)

Time of First Successful Submission: 2026-05-12 04:41:02

Call Chain (Hard)

Time of First Successful Submission: 2026-05-12 04:45:34

Chain of Command (Easy)

Time of First Successful Submission: 2026-05-12 05:27:20

Chain of Command (Hard)

Time of First Successful Submission: 2026-05-12 05:33:22

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-05-12 09:42:05

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-05-12 09:45:54

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-05-12 10:03:14

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-05-12 10:08:38

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-05-12 14:45:50

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-05-12 15:39:14

Leaky Libc (Easy)

Time of First Successful Submission: 2026-05-13 07:39:06

Leaky Libc (Hard)

Time of First Successful Submission: 2026-05-13 07:53:46

Putsception (Easy)

Time of First Successful Submission: 2026-05-13 13:01:18

Putsception (Hard)

Time of First Successful Submission: 2026-05-13 13:49:00

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-05-13 17:35:50

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-05-13 18:34:20

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-05-14 10:30:51

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-05-14 10:34:35

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-05-14 10:38:52

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-05-14 10:44:28

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-05-14 13:02:25

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-05-14 13:20:51

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-05-16 10:27:42

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-05-16 18:16:45

ROP Roulette (Easy)

Time of First Successful Submission: 2026-05-17 17:33:15

ROP Roulette (Hard)

Time of First Successful Submission: 2026-05-18 05:31:03

Libc Lottery (Easy)

Time of First Successful Submission: 2026-05-18 16:32:51

Libc Lottery (Hard)

Time of First Successful Submission: 2026-05-18 17:57:22

Freebie (Easy)

Time of First Successful Submission: 2026-05-19 05:37:57

Freebie (Hard)

Time of First Successful Submission: 2026-05-19 05:50:51

Freebin Feint (Easy)

Time of First Successful Submission: 2026-05-19 06:00:00

Freebin Feint (Hard)

Time of First Successful Submission: 2026-05-19 06:06:47

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-05-19 06:10:10

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-05-19 06:13:03

Fickle Free (Easy)

Time of First Successful Submission: 2026-05-19 17:24:17

Fickle Free (Hard)

Time of First Successful Submission: 2026-05-19 17:32:29

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-05-19 18:46:48

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-05-19 18:51:09

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-05-20 05:42:31

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-05-20 05:59:33

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-05-20 06:40:50

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-05-20 06:44:47

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-05-20 10:18:21

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-05-20 11:09:24

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-05-20 15:28:42

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-05-20 15:31:26

Sus Sequence (Easy)

Time of First Successful Submission: 2026-05-21 05:07:12

Sus Sequence (Hard)

Time of First Successful Submission: 2026-05-21 05:14:23

Echo Emanations (Easy)

Time of First Successful Submission: 2026-05-21 06:10:24

Echo Emanations (Hard)

Time of First Successful Submission: 2026-05-21 06:39:59

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-05-21 15:04:24

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-05-22 11:20:55

Stack Summoning (Easy)

Time of First Successful Submission: 2026-05-22 11:55:55

Stack Summoning (Hard)

Time of First Successful Submission: 2026-05-22 12:39:52

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-05-22 15:24:16

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-05-22 15:46:16

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-05-22 17:09:23

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-05-22 17:13:06

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-05-23 17:38:39

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-05-23 18:01:32

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-05-24 08:01:03

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-05-24 08:02:34

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-05-24 10:21:28

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-05-24 12:00:56

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-05-25 09:06:01

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-05-25 10:07:46

Tcache Terror (Easy)

Time of First Successful Submission: 2026-05-26 06:59:08

Tcache Terror (Hard)

Time of First Successful Submission: 2026-05-26 07:49:05

Containment Composition (Easy)

Time of First Successful Submission: 2026-05-26 12:21:34

Containment Composition (Hard)

Time of First Successful Submission: 2026-05-26 13:01:47

Constant Corruption (Easy)

Time of First Successful Submission: 2026-05-26 15:41:08

Constant Corruption (Hard)

Time of First Successful Submission: 2026-05-26 18:44:10

Return to YanLand (Easy)

Time of First Successful Submission: 2026-05-27 07:27:22

Return to YanLand (Hard)

Time of First Successful Submission: 2026-05-27 08:43:43

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-05-27 11:40:45

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-05-27 12:18:55

The YanFilter (Easy)

Time of First Successful Submission: 2026-05-27 18:04:17

The YanFilter (Hard)

Time of First Successful Submission: 2026-05-27 18:18:04

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-05-28 10:16:26

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-05-28 10:44:35

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-05-28 16:52:52

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-05-28 18:42:43


Start Here

10 / 10 10099 / 73718


Using the Terminal

Time of First Successful Submission: 2026-03-16 07:20:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-16 07:22:47

Using the GUI Desktop

Time of First Successful Submission: 2026-03-16 07:26:02

Pasting into the Desktop

Time of First Successful Submission: 2026-03-16 07:28:31

Restarting Challenges

Time of First Successful Submission: 2026-03-16 07:37:05

Challenge Programs

Time of First Successful Submission: 2026-03-19 06:42:18

The Flag File

Time of First Successful Submission: 2026-03-19 06:43:19

Using Privileged Mode

Time of First Successful Submission: 2026-03-19 06:47:18

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-19 06:51:22

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-19 06:52:06


Linux Luminarium

128 / 128 2508 / 53922


Intro to Commands

Time of First Successful Submission: 2026-03-16 12:00:44

Intro to Arguments

Time of First Successful Submission: 2026-03-16 12:04:05

Command History

Time of First Successful Submission: 2026-03-16 12:05:49

The Root

Time of First Successful Submission: 2026-03-16 12:40:01

Program and absolute paths

Time of First Successful Submission: 2026-03-16 12:41:21

Position thy self

Time of First Successful Submission: 2026-03-16 12:44:05

Position elsewhere

Time of First Successful Submission: 2026-03-16 12:45:31

implicit relative paths, from /

Time of First Successful Submission: 2026-03-16 12:47:39

explicit relative paths, from /

Time of First Successful Submission: 2026-03-16 12:50:29

implicit relative path

Time of First Successful Submission: 2026-03-16 12:53:14

home sweet home

Time of First Successful Submission: 2026-03-16 13:01:02

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-16 13:19:48

catting absolute paths

Time of First Successful Submission: 2026-03-16 13:20:35

more catting practice

Time of First Successful Submission: 2026-03-16 13:21:28

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-16 13:22:54

comparing files

Time of First Successful Submission: 2026-03-16 17:13:07

listing files

Time of First Successful Submission: 2026-03-16 17:18:10

touching files

Time of First Successful Submission: 2026-03-16 17:20:12

removing files

Time of First Successful Submission: 2026-03-16 17:21:57

moving files

Time of First Successful Submission: 2026-03-16 17:27:39

copying files

Time of First Successful Submission: 2026-03-16 17:28:55

hidden files

Time of First Successful Submission: 2026-03-16 17:34:02

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-16 17:40:06

making directories

Time of First Successful Submission: 2026-03-16 17:41:45

finding files

Time of First Successful Submission: 2026-03-16 17:52:26

linking files

Time of First Successful Submission: 2026-03-16 18:11:11

Learning From Documentation

Time of First Successful Submission: 2026-03-17 06:14:24

Learning Complex Usage

Time of First Successful Submission: 2026-03-17 06:20:16

Reading Manuals

Time of First Successful Submission: 2026-03-17 06:24:20

Searching Manuals

Time of First Successful Submission: 2026-03-17 06:25:40

Searching For Manuals

Time of First Successful Submission: 2026-03-17 06:30:00

Helpful Programs

Time of First Successful Submission: 2026-03-17 06:32:32

Help for Builtins

Time of First Successful Submission: 2026-03-17 06:35:31

Matching with *

Time of First Successful Submission: 2026-03-17 06:38:13

Matching with ?

Time of First Successful Submission: 2026-03-17 06:39:24

Matching with []

Time of First Successful Submission: 2026-03-17 06:43:42

Matching paths with []

Time of First Successful Submission: 2026-03-17 06:46:50

Multiple globs

Time of First Successful Submission: 2026-03-17 06:48:29

Mixing globs

Time of First Successful Submission: 2026-03-17 06:53:48

Exclusionary globbing

Time of First Successful Submission: 2026-03-17 06:56:11

Tab completion

Time of First Successful Submission: 2026-03-17 06:57:35

Multiple options for tab completion

Time of First Successful Submission: 2026-03-17 06:59:06

Tab completion on commands

Time of First Successful Submission: 2026-03-17 07:00:05

Redirecting output

Time of First Successful Submission: 2026-03-17 07:02:21

Redirecting more output

Time of First Successful Submission: 2026-03-17 07:03:45

Appending output

Time of First Successful Submission: 2026-03-17 07:06:13

Redirecting errors

Time of First Successful Submission: 2026-03-17 07:07:49

Redirecting input

Time of First Successful Submission: 2026-03-17 07:09:34

Grepping stored results

Time of First Successful Submission: 2026-03-17 07:15:25

Grepping live output

Time of First Successful Submission: 2026-03-17 07:16:32

Grepping errors

Time of First Successful Submission: 2026-03-17 07:19:30

Filtering with grep -v

Time of First Successful Submission: 2026-03-17 07:21:03

Filtering with sed

Time of First Successful Submission: 2026-03-17 07:23:45

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-17 07:29:00

Process substitution for input

Time of First Successful Submission: 2026-03-17 07:35:22

Writing to multiple programs

Time of First Successful Submission: 2026-03-17 12:32:52

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-17 13:08:14

Named pipes

Time of First Successful Submission: 2026-03-17 13:40:43

Printing Variables

Time of First Successful Submission: 2026-03-17 17:36:21

Setting Variables

Time of First Successful Submission: 2026-03-17 17:37:29

Multi-word Variables

Time of First Successful Submission: 2026-03-17 17:38:41

Exporting Variables

Time of First Successful Submission: 2026-03-17 17:42:04

Printing Exported Variables

Time of First Successful Submission: 2026-03-17 17:43:02

Storing Command Output

Time of First Successful Submission: 2026-03-17 17:44:40

Reading Input

Time of First Successful Submission: 2026-03-17 17:47:24

Reading Files

Time of First Successful Submission: 2026-03-17 17:54:27

Translating characters

Time of First Successful Submission: 2026-03-17 18:02:31

Deleting characters

Time of First Successful Submission: 2026-03-17 18:03:37

Deleting newlines

Time of First Successful Submission: 2026-03-17 18:05:36

Extracting the first lines with head

Time of First Successful Submission: 2026-03-17 18:06:52

Extracting specific sections of text

Time of First Successful Submission: 2026-03-17 18:10:03

Sorting data

Time of First Successful Submission: 2026-03-17 18:12:06

Listing Processes

Time of First Successful Submission: 2026-03-17 18:32:34

Killing Processes

Time of First Successful Submission: 2026-03-17 18:35:28

Interrupting Processes

Time of First Successful Submission: 2026-03-17 18:36:13

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-17 18:53:52

Suspending Processes

Time of First Successful Submission: 2026-03-17 18:54:57

Resuming Processes

Time of First Successful Submission: 2026-03-17 18:55:42

Backgrounding Processes

Time of First Successful Submission: 2026-03-17 19:00:04

Foregrounding Processes

Time of First Successful Submission: 2026-03-17 19:00:53

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-17 19:02:27

Process Exit Codes

Time of First Successful Submission: 2026-03-17 19:05:22

Becoming root with su

Time of First Successful Submission: 2026-03-17 19:11:48

Other users with su

Time of First Successful Submission: 2026-03-17 19:12:33

Cracking passwords

Time of First Successful Submission: 2026-03-17 19:18:01

Using sudo

Time of First Successful Submission: 2026-03-17 19:21:34

Changing File Ownership

Time of First Successful Submission: 2026-03-18 07:43:40

Groups and Files

Time of First Successful Submission: 2026-03-18 07:47:46

Fun With Groups Names

Time of First Successful Submission: 2026-03-18 08:16:18

Changing Permissions

Time of First Successful Submission: 2026-03-18 10:04:32

Executable Files

Time of First Successful Submission: 2026-03-18 10:37:12

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-18 11:11:21

Permissions Setting Practice

Time of First Successful Submission: 2026-03-18 11:45:45

The SUID Bit

Time of First Successful Submission: 2026-03-18 11:50:00

Chaining with Semicolons

Time of First Successful Submission: 2026-03-18 11:54:49

Building on Success

Time of First Successful Submission: 2026-03-18 11:58:19

Handling Failure

Time of First Successful Submission: 2026-03-18 12:00:48

Your First Shell Script

Time of First Successful Submission: 2026-03-18 12:05:10

Redirecting Script Output

Time of First Successful Submission: 2026-03-18 12:08:57

Executable Shell Scripts

Time of First Successful Submission: 2026-03-18 12:11:32

Understanding Shebangs

Time of First Successful Submission: 2026-03-18 12:39:30

Scripting with Arguments

Time of First Successful Submission: 2026-03-18 12:46:09

Scripting with Conditionals

Time of First Successful Submission: 2026-03-18 12:56:39

Scripting with Default Cases

Time of First Successful Submission: 2026-03-18 13:01:49

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-18 13:09:43

Reading Shell Scripts

Time of First Successful Submission: 2026-03-18 13:17:53

Launching Screen

Time of First Successful Submission: 2026-03-18 18:10:50

Detaching and Attaching

Time of First Successful Submission: 2026-03-18 18:13:40

Finding Sessions

Time of First Successful Submission: 2026-03-18 18:16:33

Switching Windows

Time of First Successful Submission: 2026-03-18 18:17:41

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-18 18:21:59

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-18 18:22:49

The PATH Variable

Time of First Successful Submission: 2026-03-18 18:24:57

Setting PATH

Time of First Successful Submission: 2026-03-18 18:27:28

Finding Commands

Time of First Successful Submission: 2026-03-18 18:30:18

Adding Commands

Time of First Successful Submission: 2026-03-18 18:44:00

Hijacking Commands

Time of First Successful Submission: 2026-03-18 18:59:44

Bashrc Backdoor

Time of First Successful Submission: 2026-03-18 19:03:09

Sniffing Input

Time of First Successful Submission: 2026-03-18 19:19:37

Overshared Directories

Time of First Successful Submission: 2026-03-18 19:33:48

Tricky Linking

Time of First Successful Submission: 2026-03-18 19:46:24

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-18 19:50:37

Snooping on Configurations

Time of First Successful Submission: 2026-03-18 19:52:47

The Fork Bomb

Time of First Successful Submission: 2026-03-19 06:33:47

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-19 06:40:05

rm -rf /

Time of First Successful Submission: 2026-03-18 20:00:57

Life after rm -rf /

Time of First Successful Submission: 2026-03-18 20:05:11

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-18 20:13:11


DSU Cyber Camps

12 / 104 2361 / 74199


Using the Terminal

Time of First Successful Submission: 2026-03-16 07:20:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-16 07:22:47

Using the GUI Desktop

Time of First Successful Submission: 2026-03-16 07:26:02

Pasting into the Desktop

Time of First Successful Submission: 2026-03-16 07:28:31

Connecting over SSH

Time of First Successful Submission: 2026-03-16 19:04:17

Restarting Challenges

Time of First Successful Submission: 2026-03-16 07:37:05

Getting Help

Time of First Successful Submission: 2026-03-16 07:39:55

Challenge Programs

Time of First Successful Submission: 2026-03-19 06:42:18

The Flag File

Time of First Successful Submission: 2026-03-19 06:43:19

Using Privileged Mode

Time of First Successful Submission: 2026-03-19 06:47:18

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-19 06:51:22

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-19 06:52:06


GCA CTF

12 / 104 2361 / 74198


Using the Terminal

Time of First Successful Submission: 2026-03-16 07:20:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-16 07:22:47

Using the GUI Desktop

Time of First Successful Submission: 2026-03-16 07:26:02

Pasting into the Desktop

Time of First Successful Submission: 2026-03-16 07:28:31

Connecting over SSH

Time of First Successful Submission: 2026-03-16 19:04:17

Restarting Challenges

Time of First Successful Submission: 2026-03-16 07:37:05

Getting Help

Time of First Successful Submission: 2026-03-16 07:39:55

Challenge Programs

Time of First Successful Submission: 2026-03-19 06:42:18

The Flag File

Time of First Successful Submission: 2026-03-19 06:43:19

Using Privileged Mode

Time of First Successful Submission: 2026-03-19 06:47:18

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-19 06:51:22

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-19 06:52:06