samsepi0l_

🐧

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-03-20 02:44:13

Command Arguments

Time of First Successful Submission: 2026-03-20 02:47:09

Command History

Time of First Successful Submission: 2026-03-20 02:47:37

The Root Path

Time of First Successful Submission: 2026-03-20 02:48:32

Absolute Paths

Time of First Successful Submission: 2026-03-20 02:48:58

Changing position

Time of First Successful Submission: 2026-03-20 02:49:37

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-20 02:51:06

Relative Paths

Time of First Successful Submission: 2026-03-20 02:53:44

Cat

Time of First Successful Submission: 2026-03-20 03:00:14

Ls

Time of First Successful Submission: 2026-03-20 03:04:20

Ls All

Time of First Successful Submission: 2026-03-20 03:09:55

Find

Time of First Successful Submission: 2026-03-20 03:20:20

Piping Echo

Time of First Successful Submission: 2026-03-21 14:42:26

Piping Stdout

Time of First Successful Submission: 2026-03-21 14:43:06

Piping Stdin

Time of First Successful Submission: 2026-03-21 14:58:33


Intro to Cybersecurity

183 / 183 231 / 22739


Path Traversal 1

Time of First Successful Submission: 2026-03-18 23:29:54

Path Traversal 2

Time of First Successful Submission: 2026-03-18 23:32:57

CMDi 1

Time of First Successful Submission: 2026-03-18 23:40:54

CMDi 2

Time of First Successful Submission: 2026-03-18 23:43:23

CMDi 3

Time of First Successful Submission: 2026-03-18 23:51:03

CMDi 4

Time of First Successful Submission: 2026-03-19 00:01:47

CMDi 5

Time of First Successful Submission: 2026-03-19 00:04:34

CMDi 6

Time of First Successful Submission: 2026-03-19 00:05:32

Authentication Bypass 1

Time of First Successful Submission: 2026-03-19 00:13:44

Authentication Bypass 2

Time of First Successful Submission: 2026-03-19 00:21:21

SQLi 1

Time of First Successful Submission: 2026-03-19 00:37:29

SQLi 2

Time of First Successful Submission: 2026-03-19 18:17:39

SQLi 3

Time of First Successful Submission: 2026-03-20 00:43:44

SQLi 4

Time of First Successful Submission: 2026-03-20 01:44:57

SQLi 5

Time of First Successful Submission: 2026-03-20 01:56:56

XSS 1

Time of First Successful Submission: 2026-03-20 20:03:30

XSS 2

Time of First Successful Submission: 2026-03-20 20:12:50

XSS 3

Time of First Successful Submission: 2026-03-20 20:29:55

XSS 4

Time of First Successful Submission: 2026-03-20 20:35:33

XSS 5

Time of First Successful Submission: 2026-03-20 21:08:00

XSS 6

Time of First Successful Submission: 2026-03-20 21:46:01

XSS 7

Time of First Successful Submission: 2026-03-20 22:31:01

CSRF 1

Time of First Successful Submission: 2026-03-21 14:04:54

CSRF 2

Time of First Successful Submission: 2026-03-21 14:16:00

CSRF 3

Time of First Successful Submission: 2026-03-21 14:19:27

CSRF 4

Time of First Successful Submission: 2026-03-21 14:23:06

CSRF 5

Time of First Successful Submission: 2026-03-21 14:33:30

Connect

Time of First Successful Submission: 2026-03-22 14:49:36

Send

Time of First Successful Submission: 2026-03-22 14:52:20

Shutdown

Time of First Successful Submission: 2026-03-22 15:22:26

Listen

Time of First Successful Submission: 2026-03-22 15:26:31

Scan 1

Time of First Successful Submission: 2026-03-22 15:57:41

Scan 2

Time of First Successful Submission: 2026-03-22 16:02:32

Monitor 1

Time of First Successful Submission: 2026-03-22 16:15:38

Monitor 2

Time of First Successful Submission: 2026-03-22 16:31:10

Sniffing Cookies

Time of First Successful Submission: 2026-03-22 16:42:25

Network Configuration

Time of First Successful Submission: 2026-03-23 13:11:16

Firewall 1

Time of First Successful Submission: 2026-03-23 16:41:31

Firewall 2

Time of First Successful Submission: 2026-03-23 16:42:33

Firewall 3

Time of First Successful Submission: 2026-03-23 16:43:53

Denial of Service 1

Time of First Successful Submission: 2026-03-24 13:01:17

Denial of Service 2

Time of First Successful Submission: 2026-03-24 13:04:29

Denial of Service 3

Time of First Successful Submission: 2026-03-24 13:36:35

Ethernet

Time of First Successful Submission: 2026-03-24 14:07:48

IP

Time of First Successful Submission: 2026-03-24 14:09:44

TCP

Time of First Successful Submission: 2026-03-24 14:11:37

TCP Handshake

Time of First Successful Submission: 2026-03-24 14:13:38

UDP

Time of First Successful Submission: 2026-03-24 19:16:13

UDP 2

Time of First Successful Submission: 2026-03-24 20:24:09

UDP Spoofing 1

Time of First Successful Submission: 2026-03-24 20:29:53

UDP Spoofing 2

Time of First Successful Submission: 2026-03-24 20:44:09

UDP Spoofing 3

Time of First Successful Submission: 2026-03-24 22:19:34

UDP Spoofing 4

Time of First Successful Submission: 2026-03-24 22:57:21

ARP

Time of First Successful Submission: 2026-03-25 15:23:18

Intercept

Time of First Successful Submission: 2026-03-25 15:30:08

Man-in-the-Middle

Time of First Successful Submission: 2026-03-25 21:22:46

XOR

Time of First Successful Submission: 2026-03-29 05:30:54

XORing Hex

Time of First Successful Submission: 2026-03-29 05:42:50

XORing ASCII

Time of First Successful Submission: 2026-03-30 05:33:23

XORing ASCII Strings

Time of First Successful Submission: 2026-03-30 06:07:13

One-time Pad

Time of First Successful Submission: 2026-03-30 06:45:35

One-time Pad Tampering

Time of First Successful Submission: 2026-03-30 07:30:42

Many-time Pad

Time of First Successful Submission: 2026-03-31 05:54:47

AES

Time of First Successful Submission: 2026-03-31 06:26:01

AES-ECB-CPA

Time of First Successful Submission: 2026-04-01 02:48:31

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-01 04:41:31

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-02 09:44:52

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-02 10:30:27

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-05 04:20:54

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-06 01:53:22

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-06 03:23:34

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-10 03:10:12

AES-CBC

Time of First Successful Submission: 2026-04-11 23:45:06

AES-CBC Tampering

Time of First Successful Submission: 2026-04-11 23:55:31

AES-CBC Resizing

Time of First Successful Submission: 2026-04-12 00:21:56

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-12 01:58:15

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-12 02:09:06

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-12 02:28:52

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-12 02:49:01

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-14 12:13:45

DHKE

Time of First Successful Submission: 2026-04-18 23:51:32

DHKE-to-AES

Time of First Successful Submission: 2026-04-19 01:01:24

RSA 1

Time of First Successful Submission: 2026-04-19 03:20:09

RSA 2

Time of First Successful Submission: 2026-04-19 15:44:02

RSA 3

Time of First Successful Submission: 2026-04-19 16:02:37

RSA 4

Time of First Successful Submission: 2026-04-19 16:55:02

RSA Signatures

Time of First Successful Submission: 2026-04-19 23:26:48

SHA 1

Time of First Successful Submission: 2026-04-20 00:39:08

SHA 2

Time of First Successful Submission: 2026-04-20 00:42:45

TLS 1

Time of First Successful Submission: 2026-04-20 00:49:31

TLS 2

Time of First Successful Submission: 2026-04-21 00:40:27

level1

Time of First Successful Submission: 2026-04-21 01:14:45

level2

Time of First Successful Submission: 2026-04-21 01:15:42

level3

Time of First Successful Submission: 2026-04-21 01:16:39

level4

Time of First Successful Submission: 2026-04-21 01:17:30

level5

Time of First Successful Submission: 2026-04-21 01:27:30

level6

Time of First Successful Submission: 2026-04-21 01:34:45

level7

Time of First Successful Submission: 2026-04-21 01:36:08

level8

Time of First Successful Submission: 2026-04-21 01:37:53

level9

Time of First Successful Submission: 2026-04-21 01:39:19

level10

Time of First Successful Submission: 2026-04-21 01:45:37

level11

Time of First Successful Submission: 2026-04-21 01:52:57

level12

Time of First Successful Submission: 2026-04-21 01:56:31

level13

Time of First Successful Submission: 2026-04-21 01:59:43

level14

Time of First Successful Submission: 2026-04-21 02:02:58

level15

Time of First Successful Submission: 2026-04-21 02:03:38

level16

Time of First Successful Submission: 2026-04-21 02:04:33

level17

Time of First Successful Submission: 2026-04-21 02:17:29

level18

Time of First Successful Submission: 2026-04-21 02:20:41

level19

Time of First Successful Submission: 2026-04-21 02:25:25

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-22 17:41:22

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-22 17:46:51

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-22 18:08:01

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-22 18:16:22

Reading Endianness (C)

Time of First Successful Submission: 2026-04-22 18:22:43

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-22 18:27:47

Version Information (Python)

Time of First Successful Submission: 2026-04-23 00:01:08

Version Information (C)

Time of First Successful Submission: 2026-04-23 00:04:28

Version Information (x86)

Time of First Successful Submission: 2026-04-23 00:16:18

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-23 00:53:11

Metadata and Data (C)

Time of First Successful Submission: 2026-04-23 01:08:39

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-23 01:26:25

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-23 15:16:41

Input Restrictions (C)

Time of First Successful Submission: 2026-04-23 15:22:49

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-23 15:46:02

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-23 16:33:39

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-23 16:43:39

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-23 17:29:37

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-24 15:07:49

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-24 15:49:16

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-24 16:10:52

Internal State Mini (C)

Time of First Successful Submission: 2026-04-25 01:03:55

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-25 02:34:14

Internal State (C)

Time of First Successful Submission: 2026-04-25 14:48:02

Internal State (x86)

Time of First Successful Submission: 2026-04-25 14:58:49

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-25 16:53:50

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-25 17:08:10

The Patch Directive

Time of First Successful Submission: 2026-04-29 21:20:19

Optimizing for Space

Time of First Successful Submission: 2026-05-02 02:07:25

Tweaking Images

Time of First Successful Submission: 2026-05-03 17:24:50

Storage and Retrieval

Time of First Successful Submission: 2026-05-06 18:44:15

Extracting Knowledge

Time of First Successful Submission: 2026-05-06 20:05:00

Advanced Sprites

Time of First Successful Submission: 2026-05-07 00:01:34

Accessing Resources

Time of First Successful Submission: 2026-05-08 06:13:33

Unsafe Animations

Time of First Successful Submission: 2026-05-08 23:36:13

Animations

Time of First Successful Submission: 2026-05-09 00:08:13

Interoperability: Patching Data

Time of First Successful Submission: 2026-05-09 20:48:17

Patching Code

Time of First Successful Submission: 2026-05-10 08:40:17

Patching Control Flow

Time of First Successful Submission: 2026-05-10 23:09:12

Your First Overflow (easy)

Time of First Successful Submission: 2026-05-11 23:24:21

Your First Overflow (hard)

Time of First Successful Submission: 2026-05-11 23:26:52

Precision (easy)

Time of First Successful Submission: 2026-05-11 23:39:44

Precision (hard)

Time of First Successful Submission: 2026-05-11 23:56:11

Variable Control (easy)

Time of First Successful Submission: 2026-05-12 00:08:41

Variable Control (hard)

Time of First Successful Submission: 2026-05-12 00:37:09

Control Hijack (easy)

Time of First Successful Submission: 2026-05-12 01:02:46

Control Hijack (hard)

Time of First Successful Submission: 2026-05-13 23:20:12

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-05-14 21:28:15

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-05-14 21:51:41

PIEs (easy)

Time of First Successful Submission: 2026-05-15 00:39:37

PIEs (hard)

Time of First Successful Submission: 2026-05-15 00:48:59

String Lengths (easy)

Time of First Successful Submission: 2026-05-16 02:40:13

String Lengths (hard)

Time of First Successful Submission: 2026-05-16 03:41:37

Basic Shellcode

Time of First Successful Submission: 2026-05-16 23:06:29

NOP Sleds

Time of First Successful Submission: 2026-05-18 00:04:20

NULL-Free Shellcode

Time of First Successful Submission: 2026-05-18 00:43:34

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-05-18 20:48:48

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-05-18 22:48:28

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-05-19 00:27:31

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-05-19 11:50:49

ECB-to-Win (easy)

Time of First Successful Submission: 2026-05-20 22:30:58

ECB-to-Win (hard)

Time of First Successful Submission: 2026-05-21 00:10:10

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-05-21 07:47:57

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-05-23 01:45:44

CIMG Screenshots

Time of First Successful Submission: 2026-05-27 15:25:36

CIMG Screenshots 2

Time of First Successful Submission: 2026-05-28 20:57:50

Wily Webserver

Time of First Successful Submission: 2026-05-30 00:14:09

The Watering Hole

Time of First Successful Submission: 2026-06-01 01:54:17

Secure Chat 1

Time of First Successful Submission: 2026-06-03 12:20:25

Secure Chat 2

Time of First Successful Submission: 2026-06-04 07:33:20

Secure Chat 3

Time of First Successful Submission: 2026-06-11 03:23:26

Secure Chat 4

Time of First Successful Submission: 2026-06-12 22:54:21

Secure Chat 5

Time of First Successful Submission: 2026-06-14 23:48:10


Program Security

159 / 159 166 / 10343


ello ackers!

Time of First Successful Submission: 2026-06-17 08:41:13

Syscall Smuggler

Time of First Successful Submission: 2026-06-17 12:34:30

Syscall Shenanigans

Time of First Successful Submission: 2026-06-17 20:30:00

Byte Budget

Time of First Successful Submission: 2026-06-18 02:28:20

ClobberCode

Time of First Successful Submission: 2026-06-18 03:41:52

Diverse Delivery

Time of First Successful Submission: 2026-06-19 07:18:09

Pocket Payload

Time of First Successful Submission: 2026-06-20 23:43:42

Micro Menace

Time of First Successful Submission: 2026-06-21 00:39:31

Login Leakage (Easy)

Time of First Successful Submission: 2026-06-22 01:09:46

Login Leakage (Hard)

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

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-06-22 22:46:54

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-06-22 23:26:26

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-06-23 00:27:13

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-06-23 00:56:13

Pointer Problems (Easy)

Time of First Successful Submission: 2026-06-24 20:50:12

Pointer Problems (Hard)

Time of First Successful Submission: 2026-06-24 23:40:24

Anomalous Array (Easy)

Time of First Successful Submission: 2026-06-25 00:42:12

Anomalous Array (Hard)

Time of First Successful Submission: 2026-06-25 22:00:54

Now you got it (Easy)

Time of First Successful Submission: 2026-06-26 01:11:26

Now you got it (Hard)

Time of First Successful Submission: 2026-06-27 14:41:33

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-06-28 03:10:04

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-06-29 01:29:58

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-06-29 23:08:58

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-06-29 23:47:19

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-06-30 07:47:19

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-06-30 23:22:30

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-07-01 02:42:30

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-07-01 02:55:22

Latent Leak (Easy)

Time of First Successful Submission: 2026-07-01 03:34:58

Latent Leak (Hard)

Time of First Successful Submission: 2026-07-01 11:20:02

Fork Foolery (Easy)

Time of First Successful Submission: 2026-07-01 22:33:50

Fork Foolery (Hard)

Time of First Successful Submission: 2026-07-01 23:08:54

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-07-02 05:16:14

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-07-03 00:52:30

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-07-03 05:07:15

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-07-03 22:22:50

Can It Fizz?

Time of First Successful Submission: 2026-07-05 00:19:57

Does It Buzz?

Time of First Successful Submission: 2026-07-06 05:57:54

Make It FizzBuzz

Time of First Successful Submission: 2026-07-07 01:53:17

Terrible Token (Easy)

Time of First Successful Submission: 2026-07-07 06:31:15

Terrible Token (Hard)

Time of First Successful Submission: 2026-07-07 06:47:06

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-07-07 06:49:36

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-07-07 06:54:33

Bit Bender

Time of First Successful Submission: 2026-07-07 09:01:30

Substitution Sorcery

Time of First Successful Submission: 2026-07-07 13:31:57

Meager Mangler (Easy)

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

Meager Mangler (Hard)

Time of First Successful Submission: 2026-07-07 14:30:38

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-07-07 14:53:25

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-07-08 08:01:28

Patched Up (Easy)

Time of First Successful Submission: 2026-07-08 09:23:24

Patched Up (Hard)

Time of First Successful Submission: 2026-07-08 09:51:12

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-07-08 10:01:42

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-07-08 10:04:43

Patch Perfect (Easy)

Time of First Successful Submission: 2026-07-08 10:22:19

Patch Perfect (Hard)

Time of First Successful Submission: 2026-07-08 11:29:44

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-07-08 12:48:42

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-07-08 23:39:29

Know the Yancode (Easy)

Time of First Successful Submission: 2026-07-09 01:42:53

Know the Yancode (Hard)

Time of First Successful Submission: 2026-07-10 00:56:34

Master the Yancode (Easy)

Time of First Successful Submission: 2026-07-10 02:01:30

Master the Yancode (Hard)

Time of First Successful Submission: 2026-07-11 00:20:29

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-07-11 00:19:02

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-07-11 00:32:33

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-07-11 05:57:58

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-07-11 23:27:00

The Yangler (Easy)

Time of First Successful Submission: 2026-07-12 07:27:33

The Yangler (Hard)

Time of First Successful Submission: 2026-07-13 06:02:55

Yancraft (Easy)

Time of First Successful Submission: 2026-07-13 21:12:03

Yancraft (Hard)

Time of First Successful Submission: 2026-07-13 23:05:12

Yansanity (Easy)

Time of First Successful Submission: 2026-07-14 02:03:43

Yansanity (Hard)

Time of First Successful Submission: 2026-07-15 20:19:54

When the Cow Says Moo

Time of First Successful Submission: 2026-07-16 16:14:33

Predictable Migration

Time of First Successful Submission: 2026-07-16 20:48:27

Hashing Heifers

Time of First Successful Submission: 2026-07-16 20:52:15

Salty Stampede

Time of First Successful Submission: 2026-07-16 20:57:50

Loose Link (Easy)

Time of First Successful Submission: 2026-07-16 22:40:49

Loose Link (Hard)

Time of First Successful Submission: 2026-07-16 22:47:52

Call Chain (Easy)

Time of First Successful Submission: 2026-07-16 23:00:00

Call Chain (Hard)

Time of First Successful Submission: 2026-07-16 23:07:32

Chain of Command (Easy)

Time of First Successful Submission: 2026-07-16 23:26:14

Chain of Command (Hard)

Time of First Successful Submission: 2026-07-16 23:53:56

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-07-17 00:53:00

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-07-17 00:58:26

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-07-17 05:15:36

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-07-17 05:36:12

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-07-17 06:25:08

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-07-17 06:34:25

Leaky Libc (Easy)

Time of First Successful Submission: 2026-07-17 22:11:39

Leaky Libc (Hard)

Time of First Successful Submission: 2026-07-17 22:18:45

Putsception (Easy)

Time of First Successful Submission: 2026-07-18 00:01:00

Putsception (Hard)

Time of First Successful Submission: 2026-07-18 00:27:13

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-07-18 23:27:34

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-07-18 23:51:31

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-07-19 00:33:16

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-07-19 06:15:30

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-07-19 20:34:06

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-07-19 23:49:30

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-07-20 00:22:11

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-07-20 06:17:31

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-07-21 02:34:28

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-07-21 06:36:16

ROP Roulette (Easy)

Time of First Successful Submission: 2026-07-22 04:03:22

ROP Roulette (Hard)

Time of First Successful Submission: 2026-07-22 06:39:24

Libc Lottery (Easy)

Time of First Successful Submission: 2026-07-23 05:25:04

Libc Lottery (Hard)

Time of First Successful Submission: 2026-07-23 23:24:50

Freebie (Easy)

Time of First Successful Submission: 2026-07-24 17:22:24

Freebie (Hard)

Time of First Successful Submission: 2026-07-24 17:35:59

Freebin Feint (Easy)

Time of First Successful Submission: 2026-07-24 20:11:10

Freebin Feint (Hard)

Time of First Successful Submission: 2026-07-24 21:18:39

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-07-24 22:00:42

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-07-24 22:14:18

Fickle Free (Easy)

Time of First Successful Submission: 2026-07-25 21:14:35

Fickle Free (Hard)

Time of First Successful Submission: 2026-07-25 21:50:44

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-07-25 22:32:59

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-07-25 22:37:09

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-07-26 21:17:07

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-07-26 21:44:00

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-07-26 21:49:16

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-07-26 21:53:58

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-07-26 22:30:04

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-07-26 22:35:06

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-07-27 00:09:21

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-07-27 07:42:59

Sus Sequence (Easy)

Time of First Successful Submission: 2026-07-27 22:14:50

Sus Sequence (Hard)

Time of First Successful Submission: 2026-07-27 22:30:43

Echo Emanations (Easy)

Time of First Successful Submission: 2026-07-28 10:09:53

Echo Emanations (Hard)

Time of First Successful Submission: 2026-07-28 13:14:00

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-07-28 14:22:05

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-07-29 11:56:06

Stack Summoning (Easy)

Time of First Successful Submission: 2026-07-29 21:45:09

Stack Summoning (Hard)

Time of First Successful Submission: 2026-07-30 00:30:28

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-07-30 22:54:18

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-07-31 05:56:43

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-08-01 04:57:03

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-08-01 05:25:46

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-08-02 02:32:21

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-08-02 07:17:12

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-08-02 23:29:46

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-08-02 23:28:15

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-08-03 05:42:23

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-08-03 05:41:02

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-08-03 09:53:01

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-08-03 09:52:06

Tcache Terror (Easy)

Time of First Successful Submission: 2026-08-04 09:29:16

Tcache Terror (Hard)

Time of First Successful Submission: 2026-08-04 08:43:36

Containment Composition (Easy)

Time of First Successful Submission: 2026-08-05 06:45:06

Containment Composition (Hard)

Time of First Successful Submission: 2026-08-05 05:40:19

Constant Corruption (Easy)

Time of First Successful Submission: 2026-08-05 10:01:24

Constant Corruption (Hard)

Time of First Successful Submission: 2026-08-05 09:42:57

Return to YanLand (Easy)

Time of First Successful Submission: 2026-08-05 16:23:10

Return to YanLand (Hard)

Time of First Successful Submission: 2026-08-06 06:10:15

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-08-07 07:59:32

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-08-07 08:16:19

The YanFilter (Easy)

Time of First Successful Submission: 2026-08-08 07:58:42

The YanFilter (Hard)

Time of First Successful Submission: 2026-08-08 08:23:27

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-08-09 00:27:03

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-08-09 00:58:04

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-08-09 08:04:53

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-08-10 16:42:16


System Security

50 / 93 766 / 3697


chroot-escape-basic

Time of First Successful Submission: 2026-08-10 22:56:16

chroot-shellcode

Time of First Successful Submission: 2026-08-11 01:14:46

chroot-proper

Time of First Successful Submission: 2026-08-12 05:45:40

seccomp-basic

Time of First Successful Submission: 2026-08-12 21:25:00

seccomp-linkat

Time of First Successful Submission: 2026-08-13 00:11:00

seccomp-fchdir

Time of First Successful Submission: 2026-08-13 00:13:20

seccomp-rechroot

Time of First Successful Submission: 2026-08-13 00:15:52

seccomp-only

Time of First Successful Submission: 2026-08-13 00:43:33

seccomp-arch32

Time of First Successful Submission: 2026-08-13 00:45:11

seccomp-minimal

Time of First Successful Submission: 2026-08-13 00:47:04

seccomp-timebased

Time of First Successful Submission: 2026-08-13 01:50:12

seccomp-readonly

Time of First Successful Submission: 2026-08-13 07:46:33

process-isolation

Time of First Successful Submission: 2026-08-13 07:51:46

mount-namespace

Time of First Successful Submission: 2026-08-13 22:28:05

mount-cleanup

Time of First Successful Submission: 2026-08-14 21:00:45

mount-readonly

Time of First Successful Submission: 2026-08-14 21:32:03

mount-shellcode

Time of First Successful Submission: 2026-08-14 21:35:35

mount-bindmount

Time of First Successful Submission: 2026-08-14 23:38:07

level1.0

Time of First Successful Submission: 2026-08-15 23:24:18

level1.1

Time of First Successful Submission: 2026-08-16 00:03:54

level2.0

Time of First Successful Submission: 2026-08-16 00:05:06

level2.1

Time of First Successful Submission: 2026-08-16 00:06:34

level3.0

Time of First Successful Submission: 2026-08-16 00:11:53

level3.1

Time of First Successful Submission: 2026-08-16 00:17:48

level4.0

Time of First Successful Submission: 2026-08-16 00:43:45

level4.1

Time of First Successful Submission: 2026-08-16 00:56:08

level5.0

Time of First Successful Submission: 2026-08-16 09:07:34

level5.1

Time of First Successful Submission: 2026-08-16 09:34:02

level6.0

Time of First Successful Submission: 2026-08-16 21:43:05

level6.1

Time of First Successful Submission: 2026-08-16 22:16:40

level7.0

Time of First Successful Submission: 2026-08-16 23:34:47

level7.1

Time of First Successful Submission: 2026-08-17 00:46:52

level8.0

Time of First Successful Submission: 2026-08-17 04:49:38

level8.1

Time of First Successful Submission: 2026-08-17 05:02:55

level9.0

Time of First Successful Submission: 2026-08-17 06:01:14

level9.1

Time of First Successful Submission: 2026-08-17 06:20:27

level10.0

Time of First Successful Submission: 2026-08-18 05:03:00

level10.1

Time of First Successful Submission: 2026-08-17 09:33:31

level11.0

Time of First Successful Submission: 2026-08-19 13:41:18

level11.1

Time of First Successful Submission: 2026-08-17 09:39:58

level1.0

Time of First Successful Submission: 2026-08-19 15:50:19

level1.1

Time of First Successful Submission: 2026-08-19 16:09:43

level2.0

Time of First Successful Submission: 2026-08-19 21:21:16

level2.1

Time of First Successful Submission: 2026-08-19 21:25:07

level3.0

Time of First Successful Submission: 2026-08-19 21:47:50

level3.1

Time of First Successful Submission: 2026-08-19 21:50:08

level4.0

Time of First Successful Submission: 2026-08-19 22:03:37

level4.1

Time of First Successful Submission: 2026-08-19 22:13:30

level5.0

Time of First Successful Submission: 2026-08-20 00:48:38

level5.1

Time of First Successful Submission: 2026-08-20 01:05:36


Start Here

10 / 10 10124 / 56716


Using the Terminal

Time of First Successful Submission: 2026-03-20 01:57:58

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-20 01:59:02

Using the GUI Desktop

Time of First Successful Submission: 2026-03-20 02:00:27

Pasting into the Desktop

Time of First Successful Submission: 2026-03-20 02:01:31

Restarting Challenges

Time of First Successful Submission: 2026-03-20 02:13:36

Challenge Programs

Time of First Successful Submission: 2026-03-20 02:15:34

The Flag File

Time of First Successful Submission: 2026-03-20 02:16:22

Using Privileged Mode

Time of First Successful Submission: 2026-03-20 02:33:33

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-20 02:36:26

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-20 02:36:52


Linux Luminarium

128 / 128 3630 / 41501


Intro to Commands

Time of First Successful Submission: 2026-03-20 02:44:13

Intro to Arguments

Time of First Successful Submission: 2026-03-20 02:47:09

Command History

Time of First Successful Submission: 2026-03-20 02:47:37

The Root

Time of First Successful Submission: 2026-03-20 02:48:32

Program and absolute paths

Time of First Successful Submission: 2026-03-20 02:48:58

Position thy self

Time of First Successful Submission: 2026-03-20 02:49:37

Position elsewhere

Time of First Successful Submission: 2026-03-20 02:51:06

implicit relative paths, from /

Time of First Successful Submission: 2026-03-20 02:53:44

explicit relative paths, from /

Time of First Successful Submission: 2026-03-20 02:55:20

implicit relative path

Time of First Successful Submission: 2026-03-20 02:55:59

home sweet home

Time of First Successful Submission: 2026-03-20 02:59:00

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-20 03:00:14

catting absolute paths

Time of First Successful Submission: 2026-03-20 03:00:56

more catting practice

Time of First Successful Submission: 2026-03-20 03:01:44

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-20 03:02:41

comparing files

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

listing files

Time of First Successful Submission: 2026-03-20 03:04:20

touching files

Time of First Successful Submission: 2026-03-20 03:05:26

removing files

Time of First Successful Submission: 2026-03-20 03:07:21

moving files

Time of First Successful Submission: 2026-03-20 03:08:00

copying files

Time of First Successful Submission: 2026-03-20 03:09:13

hidden files

Time of First Successful Submission: 2026-03-20 03:09:55

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-20 03:17:04

making directories

Time of First Successful Submission: 2026-03-20 03:18:26

finding files

Time of First Successful Submission: 2026-03-20 03:20:20

linking files

Time of First Successful Submission: 2026-03-20 03:27:25

Learning From Documentation

Time of First Successful Submission: 2026-03-20 03:31:50

Learning Complex Usage

Time of First Successful Submission: 2026-03-20 03:32:28

Reading Manuals

Time of First Successful Submission: 2026-03-20 03:36:02

Searching Manuals

Time of First Successful Submission: 2026-03-20 03:40:34

Searching For Manuals

Time of First Successful Submission: 2026-03-20 03:42:46

Helpful Programs

Time of First Successful Submission: 2026-03-20 03:44:42

Help for Builtins

Time of First Successful Submission: 2026-03-20 03:49:58

Matching with *

Time of First Successful Submission: 2026-03-20 22:32:51

Matching with ?

Time of First Successful Submission: 2026-03-20 22:34:17

Matching with []

Time of First Successful Submission: 2026-03-20 22:36:58

Matching paths with []

Time of First Successful Submission: 2026-03-20 22:41:04

Multiple globs

Time of First Successful Submission: 2026-03-20 22:43:18

Mixing globs

Time of First Successful Submission: 2026-03-20 22:45:24

Exclusionary globbing

Time of First Successful Submission: 2026-03-20 22:46:22

Tab completion

Time of First Successful Submission: 2026-03-20 22:47:57

Multiple options for tab completion

Time of First Successful Submission: 2026-03-20 22:54:34

Tab completion on commands

Time of First Successful Submission: 2026-03-20 22:55:18

Redirecting output

Time of First Successful Submission: 2026-03-21 14:42:26

Redirecting more output

Time of First Successful Submission: 2026-03-21 14:43:06

Appending output

Time of First Successful Submission: 2026-03-21 14:43:56

Redirecting errors

Time of First Successful Submission: 2026-03-21 14:45:24

Redirecting input

Time of First Successful Submission: 2026-03-21 14:58:33

Grepping stored results

Time of First Successful Submission: 2026-03-21 14:59:39

Grepping live output

Time of First Successful Submission: 2026-03-21 15:00:19

Grepping errors

Time of First Successful Submission: 2026-03-21 15:03:50

Filtering with grep -v

Time of First Successful Submission: 2026-03-21 15:06:02

Filtering with sed

Time of First Successful Submission: 2026-03-21 15:07:35

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-21 15:13:00

Process substitution for input

Time of First Successful Submission: 2026-03-21 15:22:21

Writing to multiple programs

Time of First Successful Submission: 2026-03-21 15:23:08

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-21 15:24:31

Named pipes

Time of First Successful Submission: 2026-03-21 15:25:32

Printing Variables

Time of First Successful Submission: 2026-04-21 02:34:33

Setting Variables

Time of First Successful Submission: 2026-04-21 02:37:10

Multi-word Variables

Time of First Successful Submission: 2026-04-21 02:38:29

Exporting Variables

Time of First Successful Submission: 2026-04-21 02:40:59

Printing Exported Variables

Time of First Successful Submission: 2026-04-21 02:41:48

Storing Command Output

Time of First Successful Submission: 2026-04-21 02:43:17

Reading Input

Time of First Successful Submission: 2026-04-21 02:44:02

Reading Files

Time of First Successful Submission: 2026-04-21 02:45:41

Translating characters

Time of First Successful Submission: 2026-04-21 02:47:54

Deleting characters

Time of First Successful Submission: 2026-04-21 02:48:36

Deleting newlines

Time of First Successful Submission: 2026-04-21 02:49:09

Extracting the first lines with head

Time of First Successful Submission: 2026-04-21 02:50:21

Extracting specific sections of text

Time of First Successful Submission: 2026-04-21 02:51:54

Sorting data

Time of First Successful Submission: 2026-04-21 02:53:20

Listing Processes

Time of First Successful Submission: 2026-06-14 23:52:18

Killing Processes

Time of First Successful Submission: 2026-06-28 05:09:17

Interrupting Processes

Time of First Successful Submission: 2026-06-28 05:09:46

Killing Misbehaving Processes

Time of First Successful Submission: 2026-06-28 05:12:59

Suspending Processes

Time of First Successful Submission: 2026-06-28 05:13:41

Resuming Processes

Time of First Successful Submission: 2026-06-28 05:14:14

Backgrounding Processes

Time of First Successful Submission: 2026-06-28 05:15:03

Foregrounding Processes

Time of First Successful Submission: 2026-06-14 23:56:05

Starting Backgrounded Processes

Time of First Successful Submission: 2026-06-28 05:15:30

Process Exit Codes

Time of First Successful Submission: 2026-06-28 05:16:41

Becoming root with su

Time of First Successful Submission: 2026-04-21 02:54:55

Other users with su

Time of First Successful Submission: 2026-04-21 02:55:34

Cracking passwords

Time of First Successful Submission: 2026-04-21 02:57:42

Using sudo

Time of First Successful Submission: 2026-04-21 02:58:31

Changing File Ownership

Time of First Successful Submission: 2026-06-28 05:18:29

Groups and Files

Time of First Successful Submission: 2026-06-28 05:19:02

Fun With Groups Names

Time of First Successful Submission: 2026-06-28 05:20:04

Changing Permissions

Time of First Successful Submission: 2026-06-28 05:20:35

Executable Files

Time of First Successful Submission: 2026-06-28 05:21:14

Permission Tweaking Practice

Time of First Successful Submission: 2026-06-28 05:25:20

Permissions Setting Practice

Time of First Successful Submission: 2026-06-28 05:29:53

The SUID Bit

Time of First Successful Submission: 2026-06-28 05:30:45

Chaining with Semicolons

Time of First Successful Submission: 2026-03-21 15:30:30

Building on Success

Time of First Successful Submission: 2026-03-21 15:31:08

Handling Failure

Time of First Successful Submission: 2026-03-21 15:31:39

Your First Shell Script

Time of First Successful Submission: 2026-03-21 15:35:27

Redirecting Script Output

Time of First Successful Submission: 2026-03-21 15:36:24

Executable Shell Scripts

Time of First Successful Submission: 2026-03-21 15:37:51

Understanding Shebangs

Time of First Successful Submission: 2026-03-21 15:39:34

Scripting with Arguments

Time of First Successful Submission: 2026-03-21 15:43:38

Scripting with Conditionals

Time of First Successful Submission: 2026-03-21 15:48:12

Scripting with Default Cases

Time of First Successful Submission: 2026-03-21 15:49:02

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-21 15:49:43

Reading Shell Scripts

Time of First Successful Submission: 2026-03-21 15:50:59

Launching Screen

Time of First Successful Submission: 2026-06-28 05:31:24

Detaching and Attaching

Time of First Successful Submission: 2026-06-28 05:36:28

Finding Sessions

Time of First Successful Submission: 2026-06-28 05:38:56

Switching Windows

Time of First Successful Submission: 2026-06-28 05:41:04

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-06-28 05:43:02

Switching Windows (tmux)

Time of First Successful Submission: 2026-06-28 05:44:56

The PATH Variable

Time of First Successful Submission: 2026-06-28 05:46:54

Setting PATH

Time of First Successful Submission: 2026-06-28 05:48:04

Finding Commands

Time of First Successful Submission: 2026-06-28 05:49:13

Adding Commands

Time of First Successful Submission: 2026-06-28 05:55:13

Hijacking Commands

Time of First Successful Submission: 2026-06-28 05:57:15

Bashrc Backdoor

Time of First Successful Submission: 2026-06-28 05:58:48

Sniffing Input

Time of First Successful Submission: 2026-06-28 06:08:43

Overshared Directories

Time of First Successful Submission: 2026-06-28 06:16:13

Tricky Linking

Time of First Successful Submission: 2026-06-28 20:42:07

Sniffing Process Arguments

Time of First Successful Submission: 2026-06-28 20:45:19

Snooping on Configurations

Time of First Successful Submission: 2026-06-28 20:50:45

The Fork Bomb

Time of First Successful Submission: 2026-06-28 21:24:19

Disk-Space Doomsday

Time of First Successful Submission: 2026-06-28 21:31:41

rm -rf /

Time of First Successful Submission: 2026-06-28 21:38:56

Life after rm -rf /

Time of First Successful Submission: 2026-06-28 21:43:11

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-06-28 21:49:30


Computing 101

2 / 132 21402 / 22217


Addition

Time of First Successful Submission: 2026-07-10 19:14:17

Modifying Data

Time of First Successful Submission: 2026-07-08 21:47:27


DSU Cyber Camps

12 / 104 2226 / 57098


Using the Terminal

Time of First Successful Submission: 2026-03-20 01:57:58

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-20 01:59:02

Using the GUI Desktop

Time of First Successful Submission: 2026-03-20 02:00:27

Pasting into the Desktop

Time of First Successful Submission: 2026-03-20 02:01:31

Connecting over SSH

Time of First Successful Submission: 2026-03-20 02:08:55

Restarting Challenges

Time of First Successful Submission: 2026-03-20 02:13:36

Getting Help

Time of First Successful Submission: 2026-03-20 02:14:57

Challenge Programs

Time of First Successful Submission: 2026-03-20 02:15:34

The Flag File

Time of First Successful Submission: 2026-03-20 02:16:22

Using Privileged Mode

Time of First Successful Submission: 2026-03-20 02:33:33

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-20 02:36:26

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-20 02:36:52


GCA CTF

12 / 104 2226 / 57098


Using the Terminal

Time of First Successful Submission: 2026-03-20 01:57:58

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-20 01:59:02

Using the GUI Desktop

Time of First Successful Submission: 2026-03-20 02:00:27

Pasting into the Desktop

Time of First Successful Submission: 2026-03-20 02:01:31

Connecting over SSH

Time of First Successful Submission: 2026-03-20 02:08:55

Restarting Challenges

Time of First Successful Submission: 2026-03-20 02:13:36

Getting Help

Time of First Successful Submission: 2026-03-20 02:14:57

Challenge Programs

Time of First Successful Submission: 2026-03-20 02:15:34

The Flag File

Time of First Successful Submission: 2026-03-20 02:16:22

Using Privileged Mode

Time of First Successful Submission: 2026-03-20 02:33:33

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-20 02:36:26

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-20 02:36:52