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Intro to Programming Languages

15 / 234 3943 / 28124


Commands

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

Command Arguments

Time of First Successful Submission: 2025-09-09 21:30:25

Command History

Time of First Successful Submission: 2025-09-09 21:30:45

The Root Path

Time of First Successful Submission: 2025-09-09 21:31:32

Absolute Paths

Time of First Successful Submission: 2025-09-09 21:31:53

Changing position

Time of First Successful Submission: 2025-09-09 21:32:37

Changing to an Absolute Path

Time of First Successful Submission: 2025-09-09 21:33:08

Relative Paths

Time of First Successful Submission: 2025-09-09 21:35:34

Cat

Time of First Successful Submission: 2025-09-09 21:39:05

Ls

Time of First Successful Submission: 2025-09-09 21:45:37

Ls All

Time of First Successful Submission: 2025-09-09 21:48:18

Find

Time of First Successful Submission: 2025-09-09 21:57:39

Piping Echo

Time of First Successful Submission: 2025-09-10 20:49:26

Piping Stdout

Time of First Successful Submission: 2025-09-10 20:50:39

Piping Stdin

Time of First Successful Submission: 2025-09-10 21:04:09


Intro to Cybersecurity

183 / 183 102 / 17893


Path Traversal 1

Time of First Successful Submission: 2025-09-24 07:08:25

Path Traversal 2

Time of First Successful Submission: 2025-09-24 07:39:19

CMDi 1

Time of First Successful Submission: 2025-09-24 07:48:34

CMDi 2

Time of First Successful Submission: 2025-09-24 07:50:27

CMDi 3

Time of First Successful Submission: 2025-09-24 13:59:41

CMDi 4

Time of First Successful Submission: 2025-09-24 14:23:02

CMDi 5

Time of First Successful Submission: 2025-09-24 14:26:45

CMDi 6

Time of First Successful Submission: 2025-09-24 19:57:39

Authentication Bypass 1

Time of First Successful Submission: 2025-09-24 20:25:12

Authentication Bypass 2

Time of First Successful Submission: 2025-09-24 20:26:34

SQLi 1

Time of First Successful Submission: 2025-09-24 21:11:22

SQLi 2

Time of First Successful Submission: 2025-09-24 21:14:15

SQLi 3

Time of First Successful Submission: 2025-09-24 21:20:26

SQLi 4

Time of First Successful Submission: 2025-09-24 21:33:11

SQLi 5

Time of First Successful Submission: 2025-09-24 22:35:10

XSS 1

Time of First Successful Submission: 2025-09-25 02:31:35

XSS 2

Time of First Successful Submission: 2025-09-25 02:34:29

XSS 3

Time of First Successful Submission: 2025-09-25 02:38:47

XSS 4

Time of First Successful Submission: 2025-09-25 02:41:01

XSS 5

Time of First Successful Submission: 2025-09-25 03:05:50

XSS 6

Time of First Successful Submission: 2025-09-25 03:21:10

XSS 7

Time of First Successful Submission: 2025-09-25 03:28:34

CSRF 1

Time of First Successful Submission: 2025-09-25 05:14:29

CSRF 2

Time of First Successful Submission: 2025-09-25 10:24:13

CSRF 3

Time of First Successful Submission: 2025-09-25 11:57:55

CSRF 4

Time of First Successful Submission: 2025-09-25 12:31:21

CSRF 5

Time of First Successful Submission: 2025-09-25 14:42:40

Connect

Time of First Successful Submission: 2025-09-25 14:51:01

Send

Time of First Successful Submission: 2025-09-25 14:53:18

Shutdown

Time of First Successful Submission: 2025-09-25 14:58:19

Listen

Time of First Successful Submission: 2025-09-25 15:00:20

Scan 1

Time of First Successful Submission: 2025-09-26 05:58:11

Scan 2

Time of First Successful Submission: 2025-09-26 06:52:40

Monitor 1

Time of First Successful Submission: 2025-09-26 13:50:07

Monitor 2

Time of First Successful Submission: 2025-09-26 13:59:22

Sniffing Cookies

Time of First Successful Submission: 2025-09-26 14:16:59

Network Configuration

Time of First Successful Submission: 2025-09-27 20:27:55

Firewall 1

Time of First Successful Submission: 2025-09-27 12:39:14

Firewall 2

Time of First Successful Submission: 2025-09-27 12:42:08

Firewall 3

Time of First Successful Submission: 2025-09-27 13:07:51

Denial of Service 1

Time of First Successful Submission: 2025-10-26 16:57:27

Denial of Service 2

Time of First Successful Submission: 2025-10-26 20:34:00

Denial of Service 3

Time of First Successful Submission: 2025-10-26 21:29:54

Ethernet

Time of First Successful Submission: 2025-09-27 22:47:03

IP

Time of First Successful Submission: 2025-09-27 22:57:13

TCP

Time of First Successful Submission: 2025-09-27 23:00:47

TCP Handshake

Time of First Successful Submission: 2025-09-28 22:30:55

UDP

Time of First Successful Submission: 2025-09-30 06:59:22

UDP 2

Time of First Successful Submission: 2025-09-30 07:01:28

UDP Spoofing 1

Time of First Successful Submission: 2025-09-30 14:01:05

UDP Spoofing 2

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

UDP Spoofing 3

Time of First Successful Submission: 2025-09-30 19:31:46

UDP Spoofing 4

Time of First Successful Submission: 2025-10-28 15:01:43

ARP

Time of First Successful Submission: 2025-09-30 22:27:35

Intercept

Time of First Successful Submission: 2025-10-29 05:57:00

Man-in-the-Middle

Time of First Successful Submission: 2025-12-11 07:25:54

XOR

Time of First Successful Submission: 2025-10-01 11:06:18

XORing Hex

Time of First Successful Submission: 2025-10-01 11:10:59

XORing ASCII

Time of First Successful Submission: 2025-10-01 11:19:17

XORing ASCII Strings

Time of First Successful Submission: 2025-10-01 13:59:34

One-time Pad

Time of First Successful Submission: 2025-10-01 14:05:09

One-time Pad Tampering

Time of First Successful Submission: 2025-10-01 14:27:25

Many-time Pad

Time of First Successful Submission: 2025-10-01 18:59:45

AES

Time of First Successful Submission: 2025-10-01 19:24:03

AES-ECB-CPA

Time of First Successful Submission: 2025-10-02 06:01:56

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-10-02 15:28:47

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-10-03 02:22:43

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-10-03 04:17:19

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-10-03 11:31:06

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-11-07 14:16:17

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-10-05 05:34:43

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-10-05 07:38:15

AES-CBC

Time of First Successful Submission: 2025-10-05 20:21:28

AES-CBC Tampering

Time of First Successful Submission: 2025-11-03 04:53:45

AES-CBC Resizing

Time of First Successful Submission: 2025-11-03 05:51:24

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-11-05 04:28:09

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-05 05:02:34

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-11-05 09:19:23

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-07 05:53:09

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-07 12:12:37

DHKE

Time of First Successful Submission: 2025-10-31 03:07:10

DHKE-to-AES

Time of First Successful Submission: 2025-10-31 03:41:45

RSA 1

Time of First Successful Submission: 2025-10-31 05:21:40

RSA 2

Time of First Successful Submission: 2025-10-31 06:12:13

RSA 3

Time of First Successful Submission: 2025-10-31 07:17:15

RSA 4

Time of First Successful Submission: 2025-10-31 12:37:25

RSA Signatures

Time of First Successful Submission: 2025-10-31 13:48:32

SHA 1

Time of First Successful Submission: 2025-10-31 18:28:41

SHA 2

Time of First Successful Submission: 2025-11-01 04:19:41

TLS 1

Time of First Successful Submission: 2025-11-01 06:52:20

TLS 2

Time of First Successful Submission: 2025-11-02 06:23:00

level1

Time of First Successful Submission: 2025-10-06 18:14:25

level2

Time of First Successful Submission: 2025-10-06 18:16:01

level3

Time of First Successful Submission: 2025-10-06 18:24:11

level4

Time of First Successful Submission: 2025-10-06 18:26:21

level5

Time of First Successful Submission: 2025-10-06 19:36:08

level6

Time of First Successful Submission: 2025-10-06 19:43:19

level7

Time of First Successful Submission: 2025-10-06 19:44:05

level8

Time of First Successful Submission: 2025-10-06 19:44:45

level9

Time of First Successful Submission: 2025-10-06 19:46:45

level10

Time of First Successful Submission: 2025-10-06 19:51:55

level11

Time of First Successful Submission: 2025-10-06 19:54:14

level12

Time of First Successful Submission: 2025-10-06 19:57:42

level13

Time of First Successful Submission: 2025-10-06 19:58:38

level14

Time of First Successful Submission: 2025-10-06 20:00:17

level15

Time of First Successful Submission: 2025-10-06 20:01:02

level16

Time of First Successful Submission: 2025-10-06 20:02:37

level17

Time of First Successful Submission: 2025-10-07 05:51:50

level18

Time of First Successful Submission: 2025-10-07 06:53:49

level19

Time of First Successful Submission: 2025-10-07 11:01:09

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-10-07 11:30:48

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-10-07 12:10:59

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-10-07 12:28:03

Reading Endianness (Python)

Time of First Successful Submission: 2025-10-07 12:49:01

Reading Endianness (C)

Time of First Successful Submission: 2025-10-07 12:52:52

Reading Endianness (x86)

Time of First Successful Submission: 2025-10-07 12:59:59

Version Information (Python)

Time of First Successful Submission: 2025-10-07 13:39:16

Version Information (C)

Time of First Successful Submission: 2025-10-07 14:08:37

Version Information (x86)

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

Metadata and Data (Python)

Time of First Successful Submission: 2025-10-07 14:21:14

Metadata and Data (C)

Time of First Successful Submission: 2025-10-07 14:34:21

Metadata and Data (x86)

Time of First Successful Submission: 2025-10-07 14:46:31

Input Restrictions (Python)

Time of First Successful Submission: 2025-10-07 14:58:32

Input Restrictions (C)

Time of First Successful Submission: 2025-10-08 02:36:51

Input Restrictions (x86)

Time of First Successful Submission: 2025-10-08 03:02:21

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-10-08 03:51:12

Behold the cIMG! (C)

Time of First Successful Submission: 2025-10-08 04:18:20

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-10-08 04:24:46

A Basic cIMG (Python)

Time of First Successful Submission: 2025-10-08 04:58:25

A Basic cIMG (C)

Time of First Successful Submission: 2025-10-08 05:27:22

A Basic cIMG (x86)

Time of First Successful Submission: 2025-10-08 05:58:45

Internal State Mini (C)

Time of First Successful Submission: 2025-10-12 13:35:52

Internal State Mini (x86)

Time of First Successful Submission: 2025-10-12 13:48:19

Internal State (C)

Time of First Successful Submission: 2025-10-12 21:41:04

Internal State (x86)

Time of First Successful Submission: 2025-10-13 05:27:11

File Formats: Directives (C)

Time of First Successful Submission: 2025-10-13 23:04:52

File Formats: Directives (x86)

Time of First Successful Submission: 2025-10-14 04:39:56

The Patch Directive

Time of First Successful Submission: 2025-11-28 19:52:56

Optimizing for Space

Time of First Successful Submission: 2025-11-29 07:51:48

Tweaking Images

Time of First Successful Submission: 2025-11-29 15:45:30

Storage and Retrieval

Time of First Successful Submission: 2025-12-02 07:04:00

Extracting Knowledge

Time of First Successful Submission: 2025-12-01 21:49:17

Advanced Sprites

Time of First Successful Submission: 2025-12-06 06:37:13

Accessing Resources

Time of First Successful Submission: 2025-12-06 15:04:25

Unsafe Animations

Time of First Successful Submission: 2025-12-06 20:46:01

Animations

Time of First Successful Submission: 2025-12-06 22:28:25

Interoperability: Patching Data

Time of First Successful Submission: 2025-12-07 14:13:51

Patching Code

Time of First Successful Submission: 2025-12-07 15:26:53

Patching Control Flow

Time of First Successful Submission: 2025-12-07 20:53:36

Your First Overflow (easy)

Time of First Successful Submission: 2025-10-17 08:31:44

Your First Overflow (hard)

Time of First Successful Submission: 2025-10-17 14:53:19

Precision (easy)

Time of First Successful Submission: 2025-10-17 14:56:15

Precision (hard)

Time of First Successful Submission: 2025-10-17 15:06:03

Variable Control (easy)

Time of First Successful Submission: 2025-10-17 15:11:24

Variable Control (hard)

Time of First Successful Submission: 2025-10-17 15:24:15

Control Hijack (easy)

Time of First Successful Submission: 2025-10-17 15:36:10

Control Hijack (hard)

Time of First Successful Submission: 2025-10-17 16:56:38

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-10-17 17:08:24

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-10-17 17:14:53

PIEs (easy)

Time of First Successful Submission: 2025-10-18 05:44:42

PIEs (hard)

Time of First Successful Submission: 2025-10-18 09:39:45

String Lengths (easy)

Time of First Successful Submission: 2025-10-19 04:55:01

String Lengths (hard)

Time of First Successful Submission: 2025-10-19 05:03:43

Basic Shellcode

Time of First Successful Submission: 2025-10-19 06:13:58

NOP Sleds

Time of First Successful Submission: 2025-10-19 06:42:31

NULL-Free Shellcode

Time of First Successful Submission: 2025-10-19 11:04:43

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-10-20 03:08:54

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-10-20 03:23:21

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-10-21 10:33:36

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-11-08 22:42:06

ECB-to-Win (easy)

Time of First Successful Submission: 2025-11-13 08:35:09

ECB-to-Win (hard)

Time of First Successful Submission: 2025-11-13 13:56:37

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-11-14 12:24:16

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-11-14 14:37:52

CIMG Screenshots

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

CIMG Screenshots 2

Time of First Successful Submission: 2025-12-09 15:41:43

Wily Webserver

Time of First Successful Submission: 2025-11-15 06:31:00

The Watering Hole

Time of First Successful Submission: 2025-11-15 22:02:46

Secure Chat 1

Time of First Successful Submission: 2025-11-17 07:42:38

Secure Chat 2

Time of First Successful Submission: 2025-11-20 15:08:08

Secure Chat 3

Time of First Successful Submission: 2025-11-23 05:42:10

Secure Chat 4

Time of First Successful Submission: 2025-12-10 17:45:01

Secure Chat 5

Time of First Successful Submission: 2025-12-10 20:09:28


Program Security

120 / 162 478 / 9030


ello ackers!

Time of First Successful Submission: 2025-12-11 17:31:52

Syscall Smuggler

Time of First Successful Submission: 2025-12-11 21:07:43

Syscall Shenanigans

Time of First Successful Submission: 2025-12-11 21:21:38

Byte Budget

Time of First Successful Submission: 2025-12-13 22:09:46

ClobberCode

Time of First Successful Submission: 2025-12-13 22:53:16

Diverse Delivery

Time of First Successful Submission: 2025-12-14 20:12:24

Pocket Payload

Time of First Successful Submission: 2025-12-14 20:43:51

Micro Menace

Time of First Successful Submission: 2025-12-14 22:17:10

Login Leakage (Easy)

Time of First Successful Submission: 2025-12-16 20:50:18

Login Leakage (Hard)

Time of First Successful Submission: 2025-12-16 21:02:59

Bounds Breaker (Easy)

Time of First Successful Submission: 2025-12-16 22:45:06

Bounds Breaker (Hard)

Time of First Successful Submission: 2025-12-16 22:49:37

Casting Catastrophe (Easy)

Time of First Successful Submission: 2025-12-27 11:59:43

Casting Catastrophe (Hard)

Time of First Successful Submission: 2025-12-27 12:15:51

Pointer Problems (Easy)

Time of First Successful Submission: 2025-12-17 22:02:31

Pointer Problems (Hard)

Time of First Successful Submission: 2025-12-17 22:16:06

Anomalous Array (Easy)

Time of First Successful Submission: 2025-12-19 18:21:47

Anomalous Array (Hard)

Time of First Successful Submission: 2025-12-19 18:28:05

Now you got it (Easy)

Time of First Successful Submission: 2025-12-19 20:22:05

Now you got it (Hard)

Time of First Successful Submission: 2025-12-19 21:31:23

Loop Lunacy (Easy)

Time of First Successful Submission: 2025-12-20 20:07:04

Loop Lunacy (Hard)

Time of First Successful Submission: 2025-12-20 21:20:49

Nosy Neighbor (Easy)

Time of First Successful Submission: 2025-12-20 22:12:55

Nosy Neighbor (Hard)

Time of First Successful Submission: 2025-12-20 22:18:32

Recursive Ruin (Easy)

Time of First Successful Submission: 2025-12-20 23:08:40

Recursive Ruin (Hard)

Time of First Successful Submission: 2025-12-21 04:38:33

Lingering Leftover (Easy)

Time of First Successful Submission: 2025-12-21 19:49:06

Lingering Leftover (Hard)

Time of First Successful Submission: 2025-12-21 19:56:35

Latent Leak (Easy)

Time of First Successful Submission: 2025-12-21 20:51:20

Latent Leak (Hard)

Time of First Successful Submission: 2025-12-21 21:08:25

Fork Foolery (Easy)

Time of First Successful Submission: 2025-12-21 23:00:43

Fork Foolery (Hard)

Time of First Successful Submission: 2025-12-22 18:46:41

Canary Conundrum (Easy)

Time of First Successful Submission: 2025-12-22 23:00:25

Canary Conundrum (Hard)

Time of First Successful Submission: 2025-12-23 17:27:16

A Crafty Clobber (Easy)

Time of First Successful Submission: 2025-12-23 18:53:39

A Crafty Clobber (Hard)

Time of First Successful Submission: 2025-12-23 20:53:52

Can It Fizz?

Time of First Successful Submission: 2025-12-25 13:10:00

Does It Buzz?

Time of First Successful Submission: 2025-12-25 22:49:33

Make It FizzBuzz

Time of First Successful Submission: 2025-12-26 22:43:45

Terrible Token (Easy)

Time of First Successful Submission: 2025-12-27 20:26:43

Terrible Token (Hard)

Time of First Successful Submission: 2025-12-27 20:31:35

Tangled Ticket (Easy)

Time of First Successful Submission: 2025-12-27 20:36:53

Tangled Ticket (Hard)

Time of First Successful Submission: 2025-12-27 20:38:42

Bit Bender

Time of First Successful Submission: 2025-12-27 22:20:03

Substitution Sorcery

Time of First Successful Submission: 2025-12-27 23:06:56

Meager Mangler (Easy)

Time of First Successful Submission: 2025-12-28 08:21:42

Meager Mangler (Hard)

Time of First Successful Submission: 2025-12-28 13:39:07

Monstrous Mangler (Easy)

Time of First Successful Submission: 2025-12-28 15:38:13

Monstrous Mangler (Hard)

Time of First Successful Submission: 2025-12-28 17:11:22

Patched Up (Easy)

Time of First Successful Submission: 2025-12-28 21:06:19

Patched Up (Hard)

Time of First Successful Submission: 2025-12-28 21:14:07

Puzzle Patch (Easy)

Time of First Successful Submission: 2025-12-28 21:19:08

Puzzle Patch (Hard)

Time of First Successful Submission: 2025-12-28 21:22:05

Patch Perfect (Easy)

Time of First Successful Submission: 2025-12-28 21:27:05

Patch Perfect (Hard)

Time of First Successful Submission: 2025-12-28 21:35:56

Trust the Yancode (Easy)

Time of First Successful Submission: 2025-12-30 22:07:03

Trust the Yancode (Hard)

Time of First Successful Submission: 2025-12-30 22:41:34

Know the Yancode (Easy)

Time of First Successful Submission: 2025-12-31 20:22:14

Know the Yancode (Hard)

Time of First Successful Submission: 2025-12-31 21:17:16

Master the Yancode (Easy)

Time of First Successful Submission: 2025-12-31 22:15:28

Master the Yancode (Hard)

Time of First Successful Submission: 2026-01-01 06:11:05

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-01-01 20:05:48

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-01-01 20:25:55

Loose Link (Easy)

Time of First Successful Submission: 2026-01-04 15:17:27

Loose Link (Hard)

Time of First Successful Submission: 2026-01-04 15:22:10

Call Chain (Easy)

Time of First Successful Submission: 2026-01-04 15:56:15

Call Chain (Hard)

Time of First Successful Submission: 2026-01-04 18:40:48

Chain of Command (Easy)

Time of First Successful Submission: 2026-01-04 20:18:59

Chain of Command (Hard)

Time of First Successful Submission: 2026-01-04 20:25:12

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-01-04 22:37:28

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-01-04 22:42:23

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-01-05 14:59:18

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-01-05 15:09:23

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-01-05 19:58:39

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-01-05 20:06:59

Leaky Libc (Easy)

Time of First Successful Submission: 2026-01-05 21:13:49

Leaky Libc (Hard)

Time of First Successful Submission: 2026-01-05 21:20:07

Putsception (Easy)

Time of First Successful Submission: 2026-01-06 22:28:50

Putsception (Hard)

Time of First Successful Submission: 2026-01-06 22:42:05

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-01-07 22:23:35

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-01-07 22:33:51

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-01-08 15:12:40

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-01-08 20:10:59

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-01-08 20:38:17

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-01-08 20:51:45

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-01-08 22:30:58

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-01-08 22:52:13

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-01-09 19:03:33

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-01-09 19:27:01

ROP Roulette (Easy)

Time of First Successful Submission: 2026-01-10 20:51:01

ROP Roulette (Hard)

Time of First Successful Submission: 2026-01-10 20:09:18

Libc Lottery (Easy)

Time of First Successful Submission: 2026-01-11 11:53:39

Libc Lottery (Hard)

Time of First Successful Submission: 2026-01-11 12:11:46

Freebie (Easy)

Time of First Successful Submission: 2026-01-11 14:54:17

Freebie (Hard)

Time of First Successful Submission: 2026-01-11 15:27:34

Freebin Feint (Easy)

Time of First Successful Submission: 2026-01-11 19:05:27

Freebin Feint (Hard)

Time of First Successful Submission: 2026-01-11 19:11:56

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-01-11 19:30:12

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-01-11 19:34:38

Fickle Free (Easy)

Time of First Successful Submission: 2026-01-12 14:14:51

Fickle Free (Hard)

Time of First Successful Submission: 2026-01-12 14:31:51

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-01-12 17:55:12

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-01-12 18:04:37

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-01-12 21:26:00

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-01-12 21:32:32

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-01-13 19:29:33

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-01-13 19:32:56

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-01-13 20:06:00

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-01-13 20:12:22

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-01-13 21:51:18

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-01-13 21:55:12

Sus Sequence (Easy)

Time of First Successful Submission: 2026-01-13 23:08:54

Sus Sequence (Hard)

Time of First Successful Submission: 2026-01-14 06:23:33

Echo Emanations (Easy)

Time of First Successful Submission: 2026-01-14 13:35:27

Echo Emanations (Hard)

Time of First Successful Submission: 2026-01-14 13:43:16

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-01-15 18:59:47

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-01-15 19:20:10

Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-15 21:46:07

Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-15 22:15:34

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-01-17 14:16:33


Start Here

11 / 12 3178 / 38364


Using the Terminal

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

Using the VSCode Workspace

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

Using the GUI Desktop

Time of First Successful Submission: 2025-09-09 19:15:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-09 19:16:39

Restarting Challenges

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

Challenge Programs

Time of First Successful Submission: 2025-09-09 19:22:04

The Flag File

Time of First Successful Submission: 2025-09-09 19:22:41

Using Privileged Mode

Time of First Successful Submission: 2025-09-09 20:23:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-09 20:25:45

Persistent Home Directories - Two

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


Linux Luminarium

128 / 128 58 / 28367


Intro to Commands

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

Intro to Arguments

Time of First Successful Submission: 2025-09-09 21:30:25

Command History

Time of First Successful Submission: 2025-09-09 21:30:45

The Root

Time of First Successful Submission: 2025-09-09 21:31:32

Program and absolute paths

Time of First Successful Submission: 2025-09-09 21:31:53

Position thy self

Time of First Successful Submission: 2025-09-09 21:32:37

Position elsewhere

Time of First Successful Submission: 2025-09-09 21:33:08

implicit relative paths, from /

Time of First Successful Submission: 2025-09-09 21:35:34

explicit relative paths, from /

Time of First Successful Submission: 2025-09-09 21:36:18

implicit relative path

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

home sweet home

Time of First Successful Submission: 2025-09-09 21:38:34

cat: not the pet, but the command!

Time of First Successful Submission: 2025-09-09 21:39:05

catting absolute paths

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

more catting practice

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

grepping for a needle in a haystack

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

comparing files

Time of First Successful Submission: 2025-09-09 21:43:33

listing files

Time of First Successful Submission: 2025-09-09 21:45:37

touching files

Time of First Successful Submission: 2025-09-09 21:46:06

removing files

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

moving files

Time of First Successful Submission: 2025-09-09 21:47:19

copying files

Time of First Successful Submission: 2025-11-06 18:03:17

hidden files

Time of First Successful Submission: 2025-09-09 21:48:18

An Epic Filesystem Quest

Time of First Successful Submission: 2025-09-09 21:51:59

making directories

Time of First Successful Submission: 2025-09-09 21:53:11

finding files

Time of First Successful Submission: 2025-09-09 21:57:39

linking files

Time of First Successful Submission: 2025-09-09 21:59:50

Learning From Documentation

Time of First Successful Submission: 2025-09-10 18:54:54

Learning Complex Usage

Time of First Successful Submission: 2025-09-10 18:55:33

Reading Manuals

Time of First Successful Submission: 2025-09-10 18:56:57

Searching Manuals

Time of First Successful Submission: 2025-09-10 18:57:42

Searching For Manuals

Time of First Successful Submission: 2025-09-10 19:01:18

Helpful Programs

Time of First Successful Submission: 2025-09-10 19:02:22

Help for Builtins

Time of First Successful Submission: 2025-09-10 19:03:07

Matching with *

Time of First Successful Submission: 2025-09-10 19:06:56

Matching with ?

Time of First Successful Submission: 2025-09-10 20:25:22

Matching with []

Time of First Successful Submission: 2025-09-10 20:27:31

Matching paths with []

Time of First Successful Submission: 2025-09-10 20:29:59

Multiple globs

Time of First Successful Submission: 2025-09-10 20:31:00

Mixing globs

Time of First Successful Submission: 2025-09-10 20:43:27

Exclusionary globbing

Time of First Successful Submission: 2025-09-10 20:46:25

Tab completion

Time of First Successful Submission: 2025-09-10 20:46:48

Multiple options for tab completion

Time of First Successful Submission: 2025-09-10 20:48:02

Tab completion on commands

Time of First Successful Submission: 2025-09-10 20:48:34

Redirecting output

Time of First Successful Submission: 2025-09-10 20:49:26

Redirecting more output

Time of First Successful Submission: 2025-09-10 20:50:39

Appending output

Time of First Successful Submission: 2025-09-10 20:52:50

Redirecting errors

Time of First Successful Submission: 2025-09-10 20:59:37

Redirecting input

Time of First Successful Submission: 2025-09-10 21:04:09

Grepping stored results

Time of First Successful Submission: 2025-09-10 21:04:58

Grepping live output

Time of First Successful Submission: 2025-09-10 21:08:38

Grepping errors

Time of First Successful Submission: 2025-09-10 21:10:54

Filtering with grep -v

Time of First Successful Submission: 2025-09-10 21:12:19

Filtering with sed

Time of First Successful Submission: 2025-11-06 18:05:51

Duplicating piped data with tee

Time of First Successful Submission: 2025-09-10 21:26:21

Process substitution for input

Time of First Successful Submission: 2025-09-10 21:42:34

Writing to multiple programs

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

Split-piping stderr and stdout

Time of First Successful Submission: 2025-09-10 22:06:45

Named pipes

Time of First Successful Submission: 2025-09-10 22:29:26

Printing Variables

Time of First Successful Submission: 2025-09-10 22:30:15

Setting Variables

Time of First Successful Submission: 2025-09-10 22:31:35

Multi-word Variables

Time of First Successful Submission: 2025-09-10 22:33:11

Exporting Variables

Time of First Successful Submission: 2025-09-10 22:43:00

Printing Exported Variables

Time of First Successful Submission: 2025-09-10 22:43:30

Storing Command Output

Time of First Successful Submission: 2025-09-10 22:44:27

Reading Input

Time of First Successful Submission: 2025-09-10 22:45:15

Reading Files

Time of First Successful Submission: 2025-09-10 22:46:32

Translating characters

Time of First Successful Submission: 2025-09-10 23:03:07

Deleting characters

Time of First Successful Submission: 2025-09-10 23:06:45

Deleting newlines

Time of First Successful Submission: 2025-09-10 23:07:38

Extracting the first lines with head

Time of First Successful Submission: 2025-09-10 23:08:24

Extracting specific sections of text

Time of First Successful Submission: 2025-09-10 23:09:48

Sorting data

Time of First Successful Submission: 2025-09-10 23:10:48

Listing Processes

Time of First Successful Submission: 2025-09-11 04:02:37

Killing Processes

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

Interrupting Processes

Time of First Successful Submission: 2025-09-11 04:04:41

Killing Misbehaving Processes

Time of First Successful Submission: 2025-09-11 04:07:14

Suspending Processes

Time of First Successful Submission: 2025-09-11 04:08:01

Resuming Processes

Time of First Successful Submission: 2025-09-11 04:08:44

Backgrounding Processes

Time of First Successful Submission: 2025-09-11 04:11:48

Foregrounding Processes

Time of First Successful Submission: 2025-09-11 04:14:51

Starting Backgrounded Processes

Time of First Successful Submission: 2025-09-11 04:16:03

Process Exit Codes

Time of First Successful Submission: 2025-09-11 04:17:49

Becoming root with su

Time of First Successful Submission: 2025-09-11 04:23:17

Other users with su

Time of First Successful Submission: 2025-09-11 04:23:56

Cracking passwords

Time of First Successful Submission: 2025-09-11 04:27:56

Using sudo

Time of First Successful Submission: 2025-09-11 04:30:10

Changing File Ownership

Time of First Successful Submission: 2025-09-11 10:20:03

Groups and Files

Time of First Successful Submission: 2025-09-11 10:38:55

Fun With Groups Names

Time of First Successful Submission: 2025-09-11 10:40:25

Changing Permissions

Time of First Successful Submission: 2025-09-11 10:44:59

Executable Files

Time of First Successful Submission: 2025-09-11 10:49:57

Permission Tweaking Practice

Time of First Successful Submission: 2025-09-11 11:03:50

Permissions Setting Practice

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

The SUID Bit

Time of First Successful Submission: 2025-09-11 11:10:36

Chaining with Semicolons

Time of First Successful Submission: 2025-09-11 11:31:02

Building on Success

Time of First Successful Submission: 2025-09-11 11:42:19

Handling Failure

Time of First Successful Submission: 2025-09-11 11:43:00

Your First Shell Script

Time of First Successful Submission: 2025-09-11 11:46:33

Redirecting Script Output

Time of First Successful Submission: 2025-09-11 11:48:00

Executable Shell Scripts

Time of First Successful Submission: 2025-09-11 11:49:51

Understanding Shebangs

Time of First Successful Submission: 2025-09-11 11:52:37

Scripting with Arguments

Time of First Successful Submission: 2025-09-11 11:53:45

Scripting with Conditionals

Time of First Successful Submission: 2025-09-11 11:56:04

Scripting with Default Cases

Time of First Successful Submission: 2025-09-11 11:57:08

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-09-11 11:58:58

Reading Shell Scripts

Time of First Successful Submission: 2025-09-11 12:06:35

Launching Screen

Time of First Successful Submission: 2025-09-11 12:07:23

Detaching and Attaching

Time of First Successful Submission: 2025-09-11 12:12:29

Finding Sessions

Time of First Successful Submission: 2025-09-11 12:16:33

Switching Windows

Time of First Successful Submission: 2025-09-11 12:17:58

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-09-11 12:19:11

Switching Windows (tmux)

Time of First Successful Submission: 2025-09-11 12:20:21

The PATH Variable

Time of First Successful Submission: 2025-09-11 12:27:35

Setting PATH

Time of First Successful Submission: 2025-09-11 12:29:40

Finding Commands

Time of First Successful Submission: 2025-09-11 12:30:36

Adding Commands

Time of First Successful Submission: 2025-09-11 12:35:35

Hijacking Commands

Time of First Successful Submission: 2025-09-11 12:38:54

Bashrc Backdoor

Time of First Successful Submission: 2025-09-11 13:02:55

Sniffing Input

Time of First Successful Submission: 2025-09-11 13:16:14

Overshared Directories

Time of First Successful Submission: 2025-09-11 14:26:15

Tricky Linking

Time of First Successful Submission: 2025-09-11 14:48:44

Sniffing Process Arguments

Time of First Successful Submission: 2025-09-11 14:50:10

Snooping on Configurations

Time of First Successful Submission: 2025-09-11 14:52:05

The Fork Bomb

Time of First Successful Submission: 2025-09-11 15:23:51

Disk-Space Doomsday

Time of First Successful Submission: 2025-09-11 15:42:05

rm -rf /

Time of First Successful Submission: 2025-09-11 15:46:19

Life after rm -rf /

Time of First Successful Submission: 2025-09-11 16:25:52

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-09-11 16:29:44


Computing 101

69 / 69 1081 / 19405


Your First Register

Time of First Successful Submission: 2025-09-11 19:29:08

Your First Syscall

Time of First Successful Submission: 2025-09-11 19:35:53

Exit Codes

Time of First Successful Submission: 2025-09-11 19:37:24

Building Executables

Time of First Successful Submission: 2025-09-11 20:06:37

Moving Between Registers

Time of First Successful Submission: 2025-09-11 20:10:55

Tracing Syscalls

Time of First Successful Submission: 2025-09-12 04:54:26

Starting GDB

Time of First Successful Submission: 2025-09-12 04:55:33

Starting Programs in GDB

Time of First Successful Submission: 2025-09-12 04:56:52

Loading From Memory

Time of First Successful Submission: 2025-09-12 05:47:57

More Loading Practice

Time of First Successful Submission: 2025-09-12 05:48:23

Dereferencing Pointers

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

Dereferencing Yourself

Time of First Successful Submission: 2025-09-12 06:00:38

Dereferencing with Offsets

Time of First Successful Submission: 2025-09-12 06:03:11

Stored Addresses

Time of First Successful Submission: 2025-09-12 20:58:29

Double Dereference

Time of First Successful Submission: 2025-09-12 21:25:16

Triple Dereference

Time of First Successful Submission: 2025-09-12 21:26:13

Writing Output

Time of First Successful Submission: 2025-09-13 14:13:01

Chaining Syscalls

Time of First Successful Submission: 2025-09-13 14:14:53

Writing Strings

Time of First Successful Submission: 2025-09-13 14:15:52

Reading Data

Time of First Successful Submission: 2025-09-13 14:28:46

set-register

Time of First Successful Submission: 2025-09-13 14:33:54

set-multiple-registers

Time of First Successful Submission: 2025-09-13 14:36:25

add-to-register

Time of First Successful Submission: 2025-09-13 14:39:47

linear-equation-registers

Time of First Successful Submission: 2025-09-14 13:19:47

integer-division

Time of First Successful Submission: 2025-09-14 13:53:44

modulo-operation

Time of First Successful Submission: 2025-09-14 13:58:55

set-upper-byte

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

efficient-modulo

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

byte-extraction

Time of First Successful Submission: 2025-09-14 14:51:39

bitwise-and

Time of First Successful Submission: 2025-09-14 15:10:20

check-even

Time of First Successful Submission: 2025-09-14 22:15:12

memory-read

Time of First Successful Submission: 2025-09-14 22:31:04

memory-write

Time of First Successful Submission: 2025-09-14 22:31:38

memory-increment

Time of First Successful Submission: 2025-09-14 22:34:47

byte-access

Time of First Successful Submission: 2025-09-14 22:36:25

memory-size-access

Time of First Successful Submission: 2025-09-14 22:40:13

little-endian-write

Time of First Successful Submission: 2025-09-14 22:55:36

memory-sum

Time of First Successful Submission: 2025-09-15 06:52:51

stack-subtraction

Time of First Successful Submission: 2025-09-15 06:57:59

swap-stack-values

Time of First Successful Submission: 2025-09-15 07:02:54

average-stack-values

Time of First Successful Submission: 2025-09-15 07:11:34

absolute-jump

Time of First Successful Submission: 2025-09-15 07:14:52

relative-jump

Time of First Successful Submission: 2025-09-15 07:21:10

jump-trampoline

Time of First Successful Submission: 2025-09-15 07:33:46

conditional-jump

Time of First Successful Submission: 2025-09-15 08:47:51

indirect-jump

Time of First Successful Submission: 2025-09-15 14:14:50

average-loop

Time of First Successful Submission: 2025-09-15 14:55:28

count-non-zero

Time of First Successful Submission: 2025-09-15 15:03:55

string-lower

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

most-common-byte

Time of First Successful Submission: 2025-10-22 21:17:36

Debugging Programs

Time of First Successful Submission: 2025-09-16 13:19:28

Inspecting Registers

Time of First Successful Submission: 2025-09-16 13:21:51

Examining Memory

Time of First Successful Submission: 2025-09-16 17:10:06

Setting Breakpoints

Time of First Successful Submission: 2025-09-17 06:51:41

GDB Scripting

Time of First Successful Submission: 2025-09-17 19:43:08

Modifying Data

Time of First Successful Submission: 2025-09-17 19:46:24

Modifying Execution

Time of First Successful Submission: 2025-09-17 19:47:26

Broken Functions

Time of First Successful Submission: 2025-09-17 20:01:05

Exit

Time of First Successful Submission: 2025-09-17 22:45:14

Socket

Time of First Successful Submission: 2025-09-19 06:31:59

Bind

Time of First Successful Submission: 2025-09-19 07:42:44

Listen

Time of First Successful Submission: 2025-09-19 07:58:50

Accept

Time of First Successful Submission: 2025-09-19 08:11:18

Static Response

Time of First Successful Submission: 2025-09-21 05:00:53

Dynamic Response

Time of First Successful Submission: 2025-10-24 03:08:11

Iterative GET Server

Time of First Successful Submission: 2025-10-24 03:17:49

Concurrent GET Server

Time of First Successful Submission: 2025-10-24 03:48:38

Concurrent POST Server

Time of First Successful Submission: 2025-10-25 07:00:12

Web Server

Time of First Successful Submission: 2025-10-25 08:29:28


Playing With Programs

116 / 116 403 / 22225


What's the password?

Time of First Successful Submission: 2025-09-21 13:20:39

... and again!

Time of First Successful Submission: 2025-09-21 13:22:30

Newline Troubles

Time of First Successful Submission: 2025-09-21 13:24:23

Reasoning about files

Time of First Successful Submission: 2025-09-21 13:31:13

Specifying Filenames

Time of First Successful Submission: 2025-09-21 13:32:37

Binary and Hex Encoding

Time of First Successful Submission: 2025-09-21 15:20:27

More Hex

Time of First Successful Submission: 2025-09-22 05:28:12

Decoding Hex

Time of First Successful Submission: 2025-09-22 05:40:31

Decoding Practice

Time of First Successful Submission: 2025-09-22 05:49:22

Encoding Practice

Time of First Successful Submission: 2025-09-22 05:59:59

Hex-encoding ASCII

Time of First Successful Submission: 2025-09-22 06:47:20

Nested Encoding

Time of First Successful Submission: 2025-09-22 06:51:15

Hex-encoding UTF-8

Time of First Successful Submission: 2025-09-22 07:03:06

UTF Mixups

Time of First Successful Submission: 2025-09-22 07:17:16

Modifying Encoded Data

Time of First Successful Submission: 2025-09-22 07:32:14

Decoding Base64

Time of First Successful Submission: 2025-09-22 07:35:05

Encoding Base64

Time of First Successful Submission: 2025-09-22 07:38:34

Dealing with Obfuscation

Time of First Successful Submission: 2025-09-22 07:43:53

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-09-22 07:51:28

Your First HTTP Request

Time of First Successful Submission: 2025-09-22 10:28:30

Reading Flask

Time of First Successful Submission: 2025-09-22 10:31:21

Commented Data

Time of First Successful Submission: 2025-09-22 10:33:51

HTTP Metadata

Time of First Successful Submission: 2025-09-22 10:35:29

HTTP (netcat)

Time of First Successful Submission: 2025-09-22 10:47:14

HTTP Paths (netcat)

Time of First Successful Submission: 2025-09-22 10:54:55

HTTP (curl)

Time of First Successful Submission: 2025-09-22 10:55:53

HTTP (python)

Time of First Successful Submission: 2025-09-22 11:01:57

HTTP Host Header (python)

Time of First Successful Submission: 2025-09-22 11:30:24

HTTP Host Header (curl)

Time of First Successful Submission: 2025-09-22 11:32:13

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-09-22 11:34:00

URL Encoding (netcat)

Time of First Successful Submission: 2025-09-22 11:35:37

HTTP GET Parameters

Time of First Successful Submission: 2025-09-22 11:37:07

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-09-22 11:39:49

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-09-22 11:41:39

HTTP Forms

Time of First Successful Submission: 2025-09-22 11:44:05

HTTP Forms (curl)

Time of First Successful Submission: 2025-09-22 11:50:06

HTTP Forms (netcat)

Time of First Successful Submission: 2025-09-22 11:54:25

HTTP Forms (python)

Time of First Successful Submission: 2025-09-22 11:56:51

HTTP Forms Without Forms

Time of First Successful Submission: 2025-09-22 12:08:43

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-09-22 12:11:18

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-09-22 12:14:56

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-09-22 12:21:23

HTTP Redirects (curl)

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

HTTP Redirects (python)

Time of First Successful Submission: 2025-09-22 12:28:42

HTTP Cookies (curl)

Time of First Successful Submission: 2025-09-22 12:32:30

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-09-22 12:33:41

HTTP Cookies (python)

Time of First Successful Submission: 2025-09-22 12:35:38

Server State (python)

Time of First Successful Submission: 2025-09-22 12:36:28

Listening Web

Time of First Successful Submission: 2025-09-22 13:13:55

Speaking Redirects

Time of First Successful Submission: 2025-09-22 13:35:40

JavaScript Redirects

Time of First Successful Submission: 2025-09-22 14:05:16

Including JavaScript

Time of First Successful Submission: 2025-09-22 15:06:51

HTTP (javascript)

Time of First Successful Submission: 2025-09-22 15:22:49

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-09-22 15:26:07

HTTP Forms (javascript)

Time of First Successful Submission: 2025-09-22 15:40:25

cat

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

more

Time of First Successful Submission: 2025-09-22 15:42:03

less

Time of First Successful Submission: 2025-09-22 15:43:31

tail

Time of First Successful Submission: 2025-09-22 15:43:49

head

Time of First Successful Submission: 2025-09-22 15:44:03

sort

Time of First Successful Submission: 2025-09-22 15:44:42

vim

Time of First Successful Submission: 2025-09-22 17:14:40

emacs

Time of First Successful Submission: 2025-09-22 17:14:57

nano

Time of First Successful Submission: 2025-09-22 17:15:13

rev

Time of First Successful Submission: 2025-09-22 17:16:26

od

Time of First Successful Submission: 2025-09-22 17:18:16

hd

Time of First Successful Submission: 2025-09-23 06:50:12

xxd

Time of First Successful Submission: 2025-09-23 06:57:14

base32

Time of First Successful Submission: 2025-09-23 06:57:53

base64

Time of First Successful Submission: 2025-09-23 06:58:48

split

Time of First Successful Submission: 2025-09-23 06:59:32

gzip

Time of First Successful Submission: 2025-09-23 07:00:12

bzip2

Time of First Successful Submission: 2025-09-23 07:00:50

zip

Time of First Successful Submission: 2025-09-23 07:01:47

tar

Time of First Successful Submission: 2025-09-23 07:02:20

ar

Time of First Successful Submission: 2025-09-23 07:03:10

cpio

Time of First Successful Submission: 2025-09-23 07:03:45

genisoimage

Time of First Successful Submission: 2025-09-23 07:06:16

env

Time of First Successful Submission: 2025-09-23 07:06:58

find

Time of First Successful Submission: 2025-09-23 07:07:45

make

Time of First Successful Submission: 2025-09-23 07:08:25

nice

Time of First Successful Submission: 2025-09-23 07:08:55

timeout

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

stdbuf

Time of First Successful Submission: 2025-09-23 07:10:03

setarch

Time of First Successful Submission: 2025-09-23 07:10:33

watch

Time of First Successful Submission: 2025-09-23 07:11:15

socat

Time of First Successful Submission: 2025-09-23 07:11:44

whiptail

Time of First Successful Submission: 2025-09-23 07:17:02

awk

Time of First Successful Submission: 2025-09-23 07:17:38

sed

Time of First Successful Submission: 2025-09-23 07:18:07

ed

Time of First Successful Submission: 2025-09-23 07:18:34

chown

Time of First Successful Submission: 2025-09-23 07:19:49

chmod

Time of First Successful Submission: 2025-09-23 07:20:13

cp

Time of First Successful Submission: 2025-09-23 07:20:41

mv

Time of First Successful Submission: 2025-09-23 09:03:28

perl

Time of First Successful Submission: 2025-09-23 09:05:12

python

Time of First Successful Submission: 2025-09-23 09:05:41

ruby

Time of First Successful Submission: 2025-09-23 09:10:04

bash

Time of First Successful Submission: 2025-09-23 09:16:10

date

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

dmesg

Time of First Successful Submission: 2025-09-23 09:17:38

wc

Time of First Successful Submission: 2025-09-23 09:18:00

gcc

Time of First Successful Submission: 2025-09-23 09:18:45

as

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

wget

Time of First Successful Submission: 2025-09-23 09:20:35

ssh-keygen

Time of First Successful Submission: 2025-09-23 12:24:22

SQL Queries

Time of First Successful Submission: 2025-09-23 11:20:08

Filtering SQL

Time of First Successful Submission: 2025-09-23 11:21:55

Choosing Columns

Time of First Successful Submission: 2025-09-23 11:28:45

Exclusionary Filtering

Time of First Successful Submission: 2025-09-23 11:32:07

Filtering Strings

Time of First Successful Submission: 2025-09-23 11:34:12

Filtering on Expressions

Time of First Successful Submission: 2025-09-23 11:35:48

SELECTing Expressions

Time of First Successful Submission: 2025-09-23 11:51:13

Composite Conditions

Time of First Successful Submission: 2025-09-23 12:00:40

Reaching Your LIMITs

Time of First Successful Submission: 2025-09-23 12:02:57

Querying Metadata

Time of First Successful Submission: 2025-09-23 12:09:10


CybHer Dojo

11 / 104 3309 / 38582


Using the Terminal

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

Using the VSCode Workspace

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

Using the GUI Desktop

Time of First Successful Submission: 2025-09-09 19:15:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-09 19:16:39

Restarting Challenges

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

Getting Help

Time of First Successful Submission: 2025-09-09 19:21:08

Challenge Programs

Time of First Successful Submission: 2025-09-09 19:22:04

The Flag File

Time of First Successful Submission: 2025-09-09 19:22:41

Using Privileged Mode

Time of First Successful Submission: 2025-09-09 20:23:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-09 20:25:45

Persistent Home Directories - Two

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


GCA CTF

11 / 104 3309 / 38582


Using the Terminal

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

Using the VSCode Workspace

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

Using the GUI Desktop

Time of First Successful Submission: 2025-09-09 19:15:06

Pasting into the Desktop

Time of First Successful Submission: 2025-09-09 19:16:39

Restarting Challenges

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

Getting Help

Time of First Successful Submission: 2025-09-09 19:21:08

Challenge Programs

Time of First Successful Submission: 2025-09-09 19:22:04

The Flag File

Time of First Successful Submission: 2025-09-09 19:22:41

Using Privileged Mode

Time of First Successful Submission: 2025-09-09 20:23:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-09-09 20:25:45

Persistent Home Directories - Two

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