ahsu123

Taiwan

Intro to Programming Languages

15 / 253 16022 / 52121

Commands

Time of First Successful Submission: 2026-04-29 09:37:07

Command Arguments

Time of First Successful Submission: 2026-04-29 09:38:00

Command History

Time of First Successful Submission: 2026-04-29 09:39:23

The Root Path

Time of First Successful Submission: 2026-04-29 09:41:34

Absolute Paths

Time of First Successful Submission: 2026-07-16 10:27:49

Changing position

Time of First Successful Submission: 2026-07-17 15:40:00

Changing to an Absolute Path

Time of First Successful Submission: 2026-07-19 13:54:47

Relative Paths

Time of First Successful Submission: 2026-07-20 13:32:36

Cat

Time of First Successful Submission: 2026-07-25 14:40:04

Ls

Time of First Successful Submission: 2026-08-04 10:38:30

Ls All

Time of First Successful Submission: 2026-08-10 14:38:30

Find

Time of First Successful Submission: 2026-08-14 12:00:06

Piping Echo

Time of First Successful Submission: 2026-09-04 15:18:38

Piping Stdout

Time of First Successful Submission: 2026-09-05 13:49:50

Piping Stdin

Time of First Successful Submission: 2026-09-22 15:40:29

Intro to Cybersecurity

183 / 183 224 / 25729

Path Traversal 1

Time of First Successful Submission: 2026-04-16 12:20:19

Path Traversal 2

Time of First Successful Submission: 2026-04-16 12:36:23

CMDi 1

Time of First Successful Submission: 2026-04-16 15:47:47

CMDi 2

Time of First Successful Submission: 2026-04-17 00:06:44

CMDi 3

Time of First Successful Submission: 2026-04-17 00:22:21

CMDi 4

Time of First Successful Submission: 2026-04-17 00:45:49

CMDi 5

Time of First Successful Submission: 2026-04-17 00:57:19

CMDi 6

Time of First Successful Submission: 2026-04-17 01:41:19

Authentication Bypass 1

Time of First Successful Submission: 2026-04-17 02:02:35

Authentication Bypass 2

Time of First Successful Submission: 2026-04-17 02:10:28

SQLi 1

Time of First Successful Submission: 2026-04-17 02:53:49

SQLi 2

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

SQLi 3

Time of First Successful Submission: 2026-04-17 03:32:46

SQLi 4

Time of First Successful Submission: 2026-04-17 03:44:55

SQLi 5

Time of First Successful Submission: 2026-04-17 05:30:45

XSS 1

Time of First Successful Submission: 2026-04-17 06:17:33

XSS 2

Time of First Successful Submission: 2026-04-17 06:22:09

XSS 3

Time of First Successful Submission: 2026-04-17 06:31:58

XSS 4

Time of First Successful Submission: 2026-04-17 06:39:36

XSS 5

Time of First Successful Submission: 2026-04-17 11:35:13

XSS 6

Time of First Successful Submission: 2026-04-17 11:48:57

XSS 7

Time of First Successful Submission: 2026-04-17 12:36:12

CSRF 1

Time of First Successful Submission: 2026-04-17 13:14:46

CSRF 2

Time of First Successful Submission: 2026-04-17 14:06:44

CSRF 3

Time of First Successful Submission: 2026-04-17 14:31:28

CSRF 4

Time of First Successful Submission: 2026-04-17 15:08:37

CSRF 5

Time of First Successful Submission: 2026-04-17 16:08:18

Connect

Time of First Successful Submission: 2026-04-18 03:11:24

Send

Time of First Successful Submission: 2026-04-18 03:17:01

Shutdown

Time of First Successful Submission: 2026-04-18 03:21:28

Listen

Time of First Successful Submission: 2026-04-18 03:22:07

Scan 1

Time of First Successful Submission: 2026-04-18 03:31:14

Scan 2

Time of First Successful Submission: 2026-04-18 03:45:58

Monitor 1

Time of First Successful Submission: 2026-04-18 04:03:33

Monitor 2

Time of First Successful Submission: 2026-04-18 04:13:56

Sniffing Cookies

Time of First Successful Submission: 2026-04-18 04:46:20

Network Configuration

Time of First Successful Submission: 2026-04-18 04:59:36

Firewall 1

Time of First Successful Submission: 2026-04-18 05:04:19

Firewall 2

Time of First Successful Submission: 2026-04-18 05:13:09

Firewall 3

Time of First Successful Submission: 2026-04-18 05:17:40

Denial of Service 1

Time of First Successful Submission: 2026-04-18 05:21:29

Denial of Service 2

Time of First Successful Submission: 2026-04-18 05:44:27

Denial of Service 3

Time of First Successful Submission: 2026-04-18 05:50:29

Ethernet

Time of First Successful Submission: 2026-04-18 10:03:42

IP

Time of First Successful Submission: 2026-04-18 10:17:11

TCP

Time of First Successful Submission: 2026-04-18 15:12:18

TCP Handshake

Time of First Successful Submission: 2026-04-18 15:51:04

UDP

Time of First Successful Submission: 2026-04-18 16:58:34

UDP 2

Time of First Successful Submission: 2026-04-18 17:02:25

UDP Spoofing 1

Time of First Successful Submission: 2026-04-18 17:43:33

UDP Spoofing 2

Time of First Successful Submission: 2026-04-18 17:55:50

UDP Spoofing 3

Time of First Successful Submission: 2026-04-18 19:38:49

UDP Spoofing 4

Time of First Successful Submission: 2026-04-18 19:42:35

ARP

Time of First Successful Submission: 2026-04-20 08:06:52

Intercept

Time of First Successful Submission: 2026-04-20 23:06:28

Man-in-the-Middle

Time of First Successful Submission: 2026-04-21 02:31:33

XOR

Time of First Successful Submission: 2026-04-21 03:38:12

XORing Hex

Time of First Successful Submission: 2026-04-21 03:49:13

XORing ASCII

Time of First Successful Submission: 2026-04-21 04:30:51

XORing ASCII Strings

Time of First Successful Submission: 2026-04-21 07:03:33

One-time Pad

Time of First Successful Submission: 2026-04-21 07:22:20

One-time Pad Tampering

Time of First Successful Submission: 2026-04-22 03:42:28

Many-time Pad

Time of First Successful Submission: 2026-04-22 04:27:37

AES

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

AES-ECB-CPA

Time of First Successful Submission: 2026-04-22 08:00:59

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-22 18:42:53

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-23 00:11:58

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-23 02:42:50

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-26 07:00:45

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-26 07:05:24

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-26 08:01:08

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-26 21:26:50

AES-CBC

Time of First Successful Submission: 2026-04-26 21:47:15

AES-CBC Tampering

Time of First Successful Submission: 2026-04-26 22:20:54

AES-CBC Resizing

Time of First Successful Submission: 2026-04-26 22:48:21

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-28 02:24:56

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-28 03:16:37

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-28 04:07:42

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-28 15:43:47

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-28 15:46:12

DHKE

Time of First Successful Submission: 2026-04-28 17:10:13

DHKE-to-AES

Time of First Successful Submission: 2026-04-28 17:26:05

RSA 1

Time of First Successful Submission: 2026-04-28 19:06:27

RSA 2

Time of First Successful Submission: 2026-04-28 19:20:25

RSA 3

Time of First Successful Submission: 2026-04-28 19:55:30

RSA 4

Time of First Successful Submission: 2026-04-28 20:22:11

RSA Signatures

Time of First Successful Submission: 2026-04-29 05:19:12

SHA 1

Time of First Successful Submission: 2026-04-29 05:54:51

SHA 2

Time of First Successful Submission: 2026-04-29 06:14:59

TLS 1

Time of First Successful Submission: 2026-04-29 08:21:30

TLS 2

Time of First Successful Submission: 2026-06-02 11:08:12

level1

Time of First Successful Submission: 2026-04-29 18:34:53

level2

Time of First Successful Submission: 2026-04-29 18:35:46

level3

Time of First Successful Submission: 2026-04-29 18:36:44

level4

Time of First Successful Submission: 2026-04-29 18:38:25

level5

Time of First Successful Submission: 2026-04-29 18:44:10

level6

Time of First Successful Submission: 2026-04-29 18:47:25

level7

Time of First Successful Submission: 2026-04-29 18:49:48

level8

Time of First Successful Submission: 2026-04-29 18:50:59

level9

Time of First Successful Submission: 2026-04-29 18:52:40

level10

Time of First Successful Submission: 2026-04-29 18:59:29

level11

Time of First Successful Submission: 2026-04-29 19:05:57

level12

Time of First Successful Submission: 2026-04-29 19:10:09

level13

Time of First Successful Submission: 2026-04-29 19:11:02

level14

Time of First Successful Submission: 2026-04-29 19:12:09

level15

Time of First Successful Submission: 2026-04-29 19:12:58

level16

Time of First Successful Submission: 2026-04-29 19:14:35

level17

Time of First Successful Submission: 2026-04-29 23:34:45

level18

Time of First Successful Submission: 2026-04-30 00:00:40

level19

Time of First Successful Submission: 2026-04-30 00:20:49

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-05-02 14:51:17

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-05-02 15:17:39

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-05-02 15:49:37

Reading Endianness (Python)

Time of First Successful Submission: 2026-05-02 16:02:58

Reading Endianness (C)

Time of First Successful Submission: 2026-05-02 16:10:53

Reading Endianness (x86)

Time of First Successful Submission: 2026-05-02 16:25:17

Version Information (Python)

Time of First Successful Submission: 2026-05-02 16:42:29

Version Information (C)

Time of First Successful Submission: 2026-05-02 16:47:21

Version Information (x86)

Time of First Successful Submission: 2026-05-02 16:50:32

Metadata and Data (Python)

Time of First Successful Submission: 2026-05-02 17:59:49

Metadata and Data (C)

Time of First Successful Submission: 2026-05-02 18:19:42

Metadata and Data (x86)

Time of First Successful Submission: 2026-05-02 18:30:41

Input Restrictions (Python)

Time of First Successful Submission: 2026-05-02 18:48:57

Input Restrictions (C)

Time of First Successful Submission: 2026-05-02 19:03:59

Input Restrictions (x86)

Time of First Successful Submission: 2026-05-02 19:06:47

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-05-02 20:09:24

Behold the cIMG! (C)

Time of First Successful Submission: 2026-05-02 20:08:18

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-05-02 21:10:12

A Basic cIMG (Python)

Time of First Successful Submission: 2026-05-03 08:37:55

A Basic cIMG (C)

Time of First Successful Submission: 2026-05-03 07:53:53

A Basic cIMG (x86)

Time of First Successful Submission: 2026-05-03 08:58:11

Internal State Mini (C)

Time of First Successful Submission: 2026-05-03 14:17:01

Internal State Mini (x86)

Time of First Successful Submission: 2026-05-03 14:31:13

Internal State (C)

Time of First Successful Submission: 2026-05-04 20:56:03

Internal State (x86)

Time of First Successful Submission: 2026-05-04 21:10:01

File Formats: Directives (C)

Time of First Successful Submission: 2026-05-04 22:39:26

File Formats: Directives (x86)

Time of First Successful Submission: 2026-05-04 23:20:23

The Patch Directive

Time of First Successful Submission: 2026-05-06 07:40:59

Optimizing for Space

Time of First Successful Submission: 2026-05-07 00:14:14

Tweaking Images

Time of First Successful Submission: 2026-05-07 01:17:53

Storage and Retrieval

Time of First Successful Submission: 2026-05-07 09:25:35

Extracting Knowledge

Time of First Successful Submission: 2026-05-07 21:07:38

Advanced Sprites

Time of First Successful Submission: 2026-05-07 22:31:58

Accessing Resources

Time of First Successful Submission: 2026-05-08 08:48:40

Unsafe Animations

Time of First Successful Submission: 2026-05-09 04:36:50

Animations

Time of First Successful Submission: 2026-05-09 07:28:59

Interoperability: Patching Data

Time of First Successful Submission: 2026-05-09 17:21:28

Patching Code

Time of First Successful Submission: 2026-05-09 19:45:22

Patching Control Flow

Time of First Successful Submission: 2026-05-09 19:51:27

Your First Overflow (easy)

Time of First Successful Submission: 2026-05-10 02:59:44

Your First Overflow (hard)

Time of First Successful Submission: 2026-05-10 03:08:50

Precision (easy)

Time of First Successful Submission: 2026-05-10 03:13:07

Precision (hard)

Time of First Successful Submission: 2026-05-10 05:20:37

Variable Control (easy)

Time of First Successful Submission: 2026-05-11 15:25:27

Variable Control (hard)

Time of First Successful Submission: 2026-05-11 16:39:56

Control Hijack (easy)

Time of First Successful Submission: 2026-05-12 00:38:53

Control Hijack (hard)

Time of First Successful Submission: 2026-05-12 01:57:44

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-05-12 02:17:57

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-05-12 02:28:23

PIEs (easy)

Time of First Successful Submission: 2026-05-12 10:40:45

PIEs (hard)

Time of First Successful Submission: 2026-05-12 12:31:13

String Lengths (easy)

Time of First Successful Submission: 2026-05-12 12:55:58

String Lengths (hard)

Time of First Successful Submission: 2026-05-12 13:09:04

Basic Shellcode

Time of First Successful Submission: 2026-05-13 05:27:52

NOP Sleds

Time of First Successful Submission: 2026-05-13 05:45:00

NULL-Free Shellcode

Time of First Successful Submission: 2026-05-13 10:24:42

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-05-13 12:48:18

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-05-13 12:57:27

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-05-13 14:08:19

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-05-13 18:38:48

ECB-to-Win (easy)

Time of First Successful Submission: 2026-05-14 10:34:45

ECB-to-Win (hard)

Time of First Successful Submission: 2026-05-15 16:38:54

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-05-15 19:19:08

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-05-15 22:14:54

CIMG Screenshots

Time of First Successful Submission: 2026-05-16 21:31:25

CIMG Screenshots 2

Time of First Successful Submission: 2026-05-17 20:28:56

Wily Webserver

Time of First Successful Submission: 2026-05-19 07:25:41

The Watering Hole

Time of First Successful Submission: 2026-05-20 08:59:31

Secure Chat 1

Time of First Successful Submission: 2026-05-22 07:37:22

Secure Chat 2

Time of First Successful Submission: 2026-05-22 19:27:52

Secure Chat 3

Time of First Successful Submission: 2026-05-26 10:40:20

Secure Chat 4

Time of First Successful Submission: 2026-05-29 00:34:39

Secure Chat 5

Time of First Successful Submission: 2026-06-01 03:30:29

Program Security

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ello ackers!

Time of First Successful Submission: 2026-06-03 23:43:11

Syscall Smuggler

Time of First Successful Submission: 2026-06-06 08:43:51

Syscall Shenanigans

Time of First Successful Submission: 2026-06-07 20:17:47

Byte Budget

Time of First Successful Submission: 2026-06-07 22:40:12

ClobberCode

Time of First Successful Submission: 2026-06-08 07:47:11

Diverse Delivery

Time of First Successful Submission: 2026-06-08 08:01:21

Pocket Payload

Time of First Successful Submission: 2026-06-07 22:43:31

Micro Menace

Time of First Successful Submission: 2026-06-08 07:29:27

Login Leakage (Easy)

Time of First Successful Submission: 2026-06-10 19:32:04

Login Leakage (Hard)

Time of First Successful Submission: 2026-06-10 22:13:55

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-06-10 23:34:10

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-06-11 18:45:24

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-06-12 18:26:25

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-06-12 18:29:21

Pointer Problems (Easy)

Time of First Successful Submission: 2026-06-14 19:59:11

Pointer Problems (Hard)

Time of First Successful Submission: 2026-06-14 22:40:53

Anomalous Array (Easy)

Time of First Successful Submission: 2026-06-15 00:08:00

Anomalous Array (Hard)

Time of First Successful Submission: 2026-06-15 00:36:03

Now you got it (Easy)

Time of First Successful Submission: 2026-06-16 00:57:41

Now you got it (Hard)

Time of First Successful Submission: 2026-06-16 02:31:28

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-06-16 07:33:25

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-06-16 18:42:22

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-06-16 19:02:49

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-06-16 19:10:22

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-06-16 20:34:46

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-06-17 19:29:08

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-06-17 20:15:09

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-06-17 20:51:04

Latent Leak (Easy)

Time of First Successful Submission: 2026-06-18 23:42:16

Latent Leak (Hard)

Time of First Successful Submission: 2026-06-19 00:09:15

Fork Foolery (Easy)

Time of First Successful Submission: 2026-06-19 00:36:37

Fork Foolery (Hard)

Time of First Successful Submission: 2026-06-19 01:09:17

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-06-20 17:01:59

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-06-20 18:38:02

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-06-20 19:54:18

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-06-20 20:21:54

Can It Fizz?

Time of First Successful Submission: 2026-06-21 07:02:07

Does It Buzz?

Time of First Successful Submission: 2026-06-24 03:01:15

Make It FizzBuzz

Time of First Successful Submission: 2026-06-25 00:11:46

Terrible Token (Easy)

Time of First Successful Submission: 2026-06-25 00:40:52

Terrible Token (Hard)

Time of First Successful Submission: 2026-06-25 00:42:48

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-06-25 00:46:57

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-06-25 00:48:40

Bit Bender

Time of First Successful Submission: 2026-06-25 01:26:56

Substitution Sorcery

Time of First Successful Submission: 2026-06-25 12:14:27

Meager Mangler (Easy)

Time of First Successful Submission: 2026-06-25 13:00:53

Meager Mangler (Hard)

Time of First Successful Submission: 2026-06-25 13:02:55

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-06-25 23:11:09

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-06-26 00:12:56

Patched Up (Easy)

Time of First Successful Submission: 2026-06-26 23:46:26

Patched Up (Hard)

Time of First Successful Submission: 2026-06-27 00:44:10

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-06-27 00:47:17

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-06-27 00:52:43

Patch Perfect (Easy)

Time of First Successful Submission: 2026-06-27 01:12:36

Patch Perfect (Hard)

Time of First Successful Submission: 2026-06-27 02:26:39

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-06-27 19:31:56

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-06-27 19:38:04

Know the Yancode (Easy)

Time of First Successful Submission: 2026-06-27 23:36:11

Know the Yancode (Hard)

Time of First Successful Submission: 2026-06-27 23:44:47

Master the Yancode (Easy)

Time of First Successful Submission: 2026-06-28 20:42:26

Master the Yancode (Hard)

Time of First Successful Submission: 2026-06-28 21:24:09

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-06-28 21:55:11

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-06-28 23:02:02

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-06-29 17:14:34

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-06-29 18:32:31

The Yangler (Easy)

Time of First Successful Submission: 2026-06-29 22:23:15

The Yangler (Hard)

Time of First Successful Submission: 2026-06-30 00:06:25

Yancraft (Easy)

Time of First Successful Submission: 2026-06-30 02:22:17

Yancraft (Hard)

Time of First Successful Submission: 2026-06-30 04:08:19

Yansanity (Easy)

Time of First Successful Submission: 2026-07-01 00:03:08

Yansanity (Hard)

Time of First Successful Submission: 2026-07-01 17:58:38

When the Cow Says Moo

Time of First Successful Submission: 2026-07-01 20:26:42

Predictable Migration

Time of First Successful Submission: 2026-07-03 02:46:54

Hashing Heifers

Time of First Successful Submission: 2026-07-04 00:23:29

Salty Stampede

Time of First Successful Submission: 2026-07-04 07:34:33

Loose Link (Easy)

Time of First Successful Submission: 2026-07-04 22:44:47

Loose Link (Hard)

Time of First Successful Submission: 2026-07-04 22:49:33

Call Chain (Easy)

Time of First Successful Submission: 2026-07-05 17:09:26

Call Chain (Hard)

Time of First Successful Submission: 2026-07-05 17:22:01

Chain of Command (Easy)

Time of First Successful Submission: 2026-07-05 20:09:04

Chain of Command (Hard)

Time of First Successful Submission: 2026-07-05 20:22:44

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-07-07 02:47:56

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-07-07 03:10:18

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-07-08 00:13:34

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-07-09 09:36:20

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-07-10 06:23:02

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-07-12 01:17:09

Leaky Libc (Easy)

Time of First Successful Submission: 2026-07-11 01:39:41

Leaky Libc (Hard)

Time of First Successful Submission: 2026-07-11 01:37:21

Putsception (Easy)

Time of First Successful Submission: 2026-07-12 00:36:03

Putsception (Hard)

Time of First Successful Submission: 2026-07-12 01:08:20

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-07-12 16:25:49

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-07-13 16:20:30

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-07-14 21:09:47

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-07-14 21:38:52

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-07-14 22:25:41

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-07-14 22:41:46

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-07-18 00:24:49

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-07-18 00:53:15

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-07-22 08:59:10

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-07-22 10:31:49

ROP Roulette (Easy)

Time of First Successful Submission: 2026-07-28 01:27:01

ROP Roulette (Hard)

Time of First Successful Submission: 2026-07-28 05:10:34

Libc Lottery (Easy)

Time of First Successful Submission: 2026-07-31 08:50:48

Libc Lottery (Hard)

Time of First Successful Submission: 2026-07-31 13:17:28

Freebie (Easy)

Time of First Successful Submission: 2026-08-01 05:10:56

Freebie (Hard)

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

Freebin Feint (Easy)

Time of First Successful Submission: 2026-08-01 05:46:21

Freebin Feint (Hard)

Time of First Successful Submission: 2026-08-01 06:46:41

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-08-01 06:56:07

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-08-01 07:02:08

Fickle Free (Easy)

Time of First Successful Submission: 2026-08-02 12:05:46

Fickle Free (Hard)

Time of First Successful Submission: 2026-08-02 12:14:02

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-08-02 16:51:41

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-08-02 16:54:19

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-08-03 14:20:05

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-08-03 14:27:38

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-08-03 15:14:58

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-08-03 15:18:13

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-08-05 13:02:22

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-08-05 14:06:18

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-08-12 05:09:34

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-08-12 05:26:01

Sus Sequence (Easy)

Time of First Successful Submission: 2026-08-16 14:52:31

Sus Sequence (Hard)

Time of First Successful Submission: 2026-08-17 05:08:45

Echo Emanations (Easy)

Time of First Successful Submission: 2026-08-20 12:17:15

Echo Emanations (Hard)

Time of First Successful Submission: 2026-08-22 08:50:43

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-08-24 12:06:44

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-08-24 16:38:50

Stack Summoning (Easy)

Time of First Successful Submission: 2026-08-26 07:36:17

Stack Summoning (Hard)

Time of First Successful Submission: 2026-08-26 07:39:23

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-08-29 19:19:32

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-08-30 04:55:02

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-09-01 15:17:02

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-09-02 13:10:59

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-09-09 14:48:42

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-09-10 12:53:43

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-09-14 20:41:14

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-09-16 14:32:10

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-09-17 08:44:38

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-09-17 17:22:26

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-09-22 17:21:30

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-09-22 17:24:14

Tcache Terror (Easy)

Time of First Successful Submission: 2026-10-08 17:35:34

Tcache Terror (Hard)

Time of First Successful Submission: 2026-10-12 09:03:22

Containment Composition (Easy)

Time of First Successful Submission: 2026-10-18 09:53:24

Start Here

4 / 10 54365 / 72232

Using the Terminal

Time of First Successful Submission: 2026-04-16 11:32:22

Using the VSCode Workspace

Time of First Successful Submission: 2026-07-16 10:26:26

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-16 11:36:48

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-16 11:37:48

Linux Luminarium

66 / 128 18907 / 52836

Intro to Commands

Time of First Successful Submission: 2026-04-29 09:37:07

Intro to Arguments

Time of First Successful Submission: 2026-04-29 09:38:00

Command History

Time of First Successful Submission: 2026-04-29 09:39:23

The Root

Time of First Successful Submission: 2026-04-29 09:41:34

Program and absolute paths

Time of First Successful Submission: 2026-07-16 10:27:49

Position thy self

Time of First Successful Submission: 2026-07-17 15:40:00

Position elsewhere

Time of First Successful Submission: 2026-07-19 13:54:47

implicit relative paths, from /

Time of First Successful Submission: 2026-07-20 13:32:36

explicit relative paths, from /

Time of First Successful Submission: 2026-07-21 15:09:53

implicit relative path

Time of First Successful Submission: 2026-07-23 14:33:06

home sweet home

Time of First Successful Submission: 2026-07-24 13:34:39

cat: not the pet, but the command!

Time of First Successful Submission: 2026-07-25 14:40:04

catting absolute paths

Time of First Successful Submission: 2026-07-26 13:22:12

more catting practice

Time of First Successful Submission: 2026-07-27 14:37:12

grepping for a needle in a haystack

Time of First Successful Submission: 2026-07-29 13:43:13

comparing files

Time of First Successful Submission: 2026-07-30 13:50:47

listing files

Time of First Successful Submission: 2026-08-04 10:38:30

touching files

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

removing files

Time of First Successful Submission: 2026-08-07 11:57:41

moving files

Time of First Successful Submission: 2026-08-08 13:29:55

copying files

Time of First Successful Submission: 2026-08-09 13:51:17

hidden files

Time of First Successful Submission: 2026-08-10 14:38:30

An Epic Filesystem Quest

Time of First Successful Submission: 2026-08-11 14:37:59

making directories

Time of First Successful Submission: 2026-08-13 13:14:31

finding files

Time of First Successful Submission: 2026-08-14 12:00:06

linking files

Time of First Successful Submission: 2026-08-15 13:49:51

Learning From Documentation

Time of First Successful Submission: 2026-08-18 14:46:26

Learning Complex Usage

Time of First Successful Submission: 2026-08-19 15:17:11

Reading Manuals

Time of First Successful Submission: 2026-08-21 12:58:19

Searching Manuals

Time of First Successful Submission: 2026-08-23 14:24:13

Matching with *

Time of First Successful Submission: 2026-08-27 15:09:48

Matching with ?

Time of First Successful Submission: 2026-08-28 11:24:11

Matching with []

Time of First Successful Submission: 2026-08-29 15:10:42

Matching paths with []

Time of First Successful Submission: 2026-08-31 14:18:31

Multiple globs

Time of First Successful Submission: 2026-09-03 15:22:43

Mixing globs

Time of First Successful Submission: 2026-10-04 14:43:28

Redirecting output

Time of First Successful Submission: 2026-09-04 15:18:38

Redirecting more output

Time of First Successful Submission: 2026-09-05 13:49:50

Appending output

Time of First Successful Submission: 2026-09-06 15:42:39

Redirecting errors

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

Redirecting input

Time of First Successful Submission: 2026-09-22 15:40:29

Grepping stored results

Time of First Successful Submission: 2026-09-24 14:51:24

Grepping live output

Time of First Successful Submission: 2026-09-26 13:28:49

Grepping errors

Time of First Successful Submission: 2026-09-27 14:25:42

Filtering with grep -v

Time of First Successful Submission: 2026-09-28 15:30:00

Filtering with sed

Time of First Successful Submission: 2026-09-29 15:35:10

Duplicating piped data with tee

Time of First Successful Submission: 2026-09-30 15:49:06

Process substitution for input

Time of First Successful Submission: 2026-10-02 15:09:14

Writing to multiple programs

Time of First Successful Submission: 2026-10-10 15:44:43

Printing Variables

Time of First Successful Submission: 2026-09-08 15:14:55

Setting Variables

Time of First Successful Submission: 2026-09-11 15:44:26

Multi-word Variables

Time of First Successful Submission: 2026-09-11 21:56:02

Exporting Variables

Time of First Successful Submission: 2026-09-13 14:58:38

Printing Exported Variables

Time of First Successful Submission: 2026-09-19 03:41:47

Storing Command Output

Time of First Successful Submission: 2026-09-20 14:51:44

Reading Input

Time of First Successful Submission: 2026-09-25 13:26:33

Translating characters

Time of First Successful Submission: 2026-09-21 14:29:34

Deleting characters

Time of First Successful Submission: 2026-10-05 15:25:23

Deleting newlines

Time of First Successful Submission: 2026-10-07 14:06:13

Extracting the first lines with head

Time of First Successful Submission: 2026-10-08 15:28:03

Changing File Ownership

Time of First Successful Submission: 2026-10-06 15:20:22

Chaining with Semicolons

Time of First Successful Submission: 2026-04-16 23:56:46

Building on Success

Time of First Successful Submission: 2026-04-16 23:58:34

Handling Failure

Time of First Successful Submission: 2026-04-16 23:59:56

Your First Shell Script

Time of First Successful Submission: 2026-10-01 14:50:33

The PATH Variable

Time of First Successful Submission: 2026-09-07 14:10:17

Computing 101

36 / 132 6636 / 25346

Your First Register

Time of First Successful Submission: 2026-04-30 07:58:34

Your First Syscall

Time of First Successful Submission: 2026-04-30 08:01:23

Exit Codes

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

Building Executables

Time of First Successful Submission: 2026-04-30 08:09:07

Moving Between Registers

Time of First Successful Submission: 2026-04-30 08:12:03

Loading From Memory

Time of First Successful Submission: 2026-04-30 13:36:41

More Loading Practice

Time of First Successful Submission: 2026-04-30 13:38:21

Dereferencing Pointers

Time of First Successful Submission: 2026-04-30 16:36:19

Dereferencing Yourself

Time of First Successful Submission: 2026-04-30 16:39:22

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-30 16:41:36

Stored Addresses

Time of First Successful Submission: 2026-04-30 16:45:40

Double Dereference

Time of First Successful Submission: 2026-04-30 16:51:20

The Stack

Time of First Successful Submission: 2026-04-30 16:54:50

Stack Offsets

Time of First Successful Submission: 2026-04-30 16:56:22

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-30 16:59:18

Popping From the Stack

Time of First Successful Submission: 2026-04-30 17:01:23

Disassembling Programs

Time of First Successful Submission: 2026-05-01 17:51:17

Tracing Syscalls

Time of First Successful Submission: 2026-05-01 17:59:40

Starting GDB

Time of First Successful Submission: 2026-05-01 18:02:30

Quitting GDB

Time of First Successful Submission: 2026-05-01 18:03:17

Starting Programs in GDB

Time of First Successful Submission: 2026-05-01 18:05:07

Disassembling in GDB

Time of First Successful Submission: 2026-05-01 18:06:10

Stepping Through Instructions

Time of First Successful Submission: 2026-05-01 18:07:52

Reading Register Values

Time of First Successful Submission: 2026-05-01 18:09:21

Popping Stack Values

Time of First Successful Submission: 2026-05-01 18:11:03

Examining Memory

Time of First Successful Submission: 2026-05-01 18:12:42

Examining Stack Pointers

Time of First Successful Submission: 2026-05-01 18:15:36

Cooperative Debugging

Time of First Successful Submission: 2026-05-02 02:58:01

Writing Output

Time of First Successful Submission: 2026-05-02 03:38:38

Chaining Syscalls

Time of First Successful Submission: 2026-05-02 03:41:37

Writing Strings

Time of First Successful Submission: 2026-05-02 03:46:03

Reading Data

Time of First Successful Submission: 2026-05-02 04:33:48

Opening Files

Time of First Successful Submission: 2026-05-02 04:42:17

Hardcoding the Filename

Time of First Successful Submission: 2026-05-02 04:46:04

Comparing Values

Time of First Successful Submission: 2026-05-02 08:18:40

Comparing Characters

Time of First Successful Submission: 2026-05-02 08:26:30

DSU Cyber Camps

4 / 104 54986 / 72704

Using the Terminal

Time of First Successful Submission: 2026-04-16 11:32:22

Using the VSCode Workspace

Time of First Successful Submission: 2026-07-16 10:26:26

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-16 11:36:48

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-16 11:37:48

GCA CTF

4 / 104 54986 / 72704

Using the Terminal

Time of First Successful Submission: 2026-04-16 11:32:22

Using the VSCode Workspace

Time of First Successful Submission: 2026-07-16 10:26:26

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-16 11:36:48

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-16 11:37:48