f00var

🐧 💻 🔤

Intro to Programming Languages

15 / 234 2159 / 33627


Commands

Time of First Successful Submission: 2025-07-14 18:14:16

Command Arguments

Time of First Successful Submission: 2025-07-14 18:15:22

Command History

Time of First Successful Submission: 2025-07-14 18:16:13

The Root Path

Time of First Successful Submission: 2025-07-14 18:17:27

Absolute Paths

Time of First Successful Submission: 2025-07-14 18:18:42

Changing position

Time of First Successful Submission: 2025-07-14 18:25:28

Changing to an Absolute Path

Time of First Successful Submission: 2025-07-14 18:26:53

Relative Paths

Time of First Successful Submission: 2025-07-14 18:30:39

Cat

Time of First Successful Submission: 2025-07-14 18:44:56

Ls

Time of First Successful Submission: 2025-07-14 18:50:20

Ls All

Time of First Successful Submission: 2025-07-14 18:54:17

Find

Time of First Successful Submission: 2025-07-14 19:58:45

Piping Echo

Time of First Successful Submission: 2025-07-14 20:58:34

Piping Stdout

Time of First Successful Submission: 2025-07-14 21:00:46

Piping Stdin

Time of First Successful Submission: 2025-07-14 21:09:44


Intro to Cybersecurity

183 / 183 208 / 20752


Path Traversal 1

Time of First Successful Submission: 2026-04-16 03:26:00

Path Traversal 2

Time of First Successful Submission: 2026-04-16 03:46:56

CMDi 1

Time of First Successful Submission: 2026-04-16 03:49:16

CMDi 2

Time of First Successful Submission: 2026-04-16 03:51:00

CMDi 3

Time of First Successful Submission: 2026-04-16 03:55:49

CMDi 4

Time of First Successful Submission: 2026-04-16 04:01:29

CMDi 5

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

CMDi 6

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

Authentication Bypass 1

Time of First Successful Submission: 2026-04-16 20:13:32

Authentication Bypass 2

Time of First Successful Submission: 2026-04-16 20:16:15

SQLi 1

Time of First Successful Submission: 2026-04-16 20:19:45

SQLi 2

Time of First Successful Submission: 2026-04-16 20:21:43

SQLi 3

Time of First Successful Submission: 2026-04-16 20:25:48

SQLi 4

Time of First Successful Submission: 2026-04-16 20:30:05

SQLi 5

Time of First Successful Submission: 2026-04-16 20:52:28

XSS 1

Time of First Successful Submission: 2026-04-16 23:16:54

XSS 2

Time of First Successful Submission: 2026-04-16 23:19:02

XSS 3

Time of First Successful Submission: 2026-04-16 23:21:58

XSS 4

Time of First Successful Submission: 2026-04-16 23:24:04

XSS 5

Time of First Successful Submission: 2026-04-16 23:51:52

XSS 6

Time of First Successful Submission: 2026-04-16 23:55:25

XSS 7

Time of First Successful Submission: 2026-04-17 00:06:05

CSRF 1

Time of First Successful Submission: 2026-04-17 01:51:59

CSRF 2

Time of First Successful Submission: 2026-04-17 02:01:47

CSRF 3

Time of First Successful Submission: 2026-04-17 02:16:19

CSRF 4

Time of First Successful Submission: 2026-04-17 02:29:15

CSRF 5

Time of First Successful Submission: 2026-04-17 02:38:55

Connect

Time of First Successful Submission: 2026-04-17 14:24:40

Send

Time of First Successful Submission: 2026-04-17 14:25:34

Shutdown

Time of First Successful Submission: 2026-04-17 14:27:36

Listen

Time of First Successful Submission: 2026-04-17 14:28:27

Scan 1

Time of First Successful Submission: 2026-04-17 14:34:07

Scan 2

Time of First Successful Submission: 2026-04-17 15:02:23

Monitor 1

Time of First Successful Submission: 2026-04-17 15:04:21

Monitor 2

Time of First Successful Submission: 2026-04-17 15:39:53

Sniffing Cookies

Time of First Successful Submission: 2026-04-17 15:51:32

Network Configuration

Time of First Successful Submission: 2026-04-17 16:10:37

Firewall 1

Time of First Successful Submission: 2026-04-17 20:36:34

Firewall 2

Time of First Successful Submission: 2026-04-17 20:37:33

Firewall 3

Time of First Successful Submission: 2026-04-17 20:39:23

Denial of Service 1

Time of First Successful Submission: 2026-04-17 20:48:24

Denial of Service 2

Time of First Successful Submission: 2026-04-17 20:49:20

Denial of Service 3

Time of First Successful Submission: 2026-04-17 20:54:56

Ethernet

Time of First Successful Submission: 2026-04-17 20:59:26

IP

Time of First Successful Submission: 2026-04-17 21:04:39

TCP

Time of First Successful Submission: 2026-04-17 21:05:45

TCP Handshake

Time of First Successful Submission: 2026-04-17 21:09:37

UDP

Time of First Successful Submission: 2026-04-17 21:15:06

UDP 2

Time of First Successful Submission: 2026-04-17 21:17:40

UDP Spoofing 1

Time of First Successful Submission: 2026-04-17 22:25:35

UDP Spoofing 2

Time of First Successful Submission: 2026-04-17 22:29:27

UDP Spoofing 3

Time of First Successful Submission: 2026-04-17 22:43:48

UDP Spoofing 4

Time of First Successful Submission: 2026-04-17 22:49:45

ARP

Time of First Successful Submission: 2026-04-17 22:50:56

Intercept

Time of First Successful Submission: 2026-04-17 23:08:17

Man-in-the-Middle

Time of First Successful Submission: 2026-04-18 04:30:52

XOR

Time of First Successful Submission: 2026-04-18 15:49:53

XORing Hex

Time of First Successful Submission: 2026-04-18 15:55:03

XORing ASCII

Time of First Successful Submission: 2026-04-18 16:17:56

XORing ASCII Strings

Time of First Successful Submission: 2026-04-18 16:20:51

One-time Pad

Time of First Successful Submission: 2026-04-18 16:27:33

One-time Pad Tampering

Time of First Successful Submission: 2026-04-18 16:46:22

Many-time Pad

Time of First Successful Submission: 2026-04-18 17:39:48

AES

Time of First Successful Submission: 2026-04-18 17:42:22

AES-ECB-CPA

Time of First Successful Submission: 2026-04-18 17:49:54

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-18 18:51:35

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-18 18:57:40

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-18 19:01:55

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-18 19:10:06

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-18 19:14:29

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-18 19:16:07

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-18 19:26:55

AES-CBC

Time of First Successful Submission: 2026-04-18 19:33:22

AES-CBC Tampering

Time of First Successful Submission: 2026-04-18 19:34:54

AES-CBC Resizing

Time of First Successful Submission: 2026-04-18 19:37:36

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-18 20:03:40

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-18 20:12:09

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-18 20:22:20

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-18 20:28:48

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-18 20:43:14

DHKE

Time of First Successful Submission: 2026-04-18 20:44:42

DHKE-to-AES

Time of First Successful Submission: 2026-04-18 20:45:44

RSA 1

Time of First Successful Submission: 2026-04-18 20:47:48

RSA 2

Time of First Successful Submission: 2026-04-18 20:49:17

RSA 3

Time of First Successful Submission: 2026-04-18 20:54:12

RSA 4

Time of First Successful Submission: 2026-04-18 20:57:00

RSA Signatures

Time of First Successful Submission: 2026-04-18 20:59:46

SHA 1

Time of First Successful Submission: 2026-04-18 21:03:06

SHA 2

Time of First Successful Submission: 2026-04-18 21:41:59

TLS 1

Time of First Successful Submission: 2026-04-18 21:45:52

TLS 2

Time of First Successful Submission: 2026-04-18 22:10:17

level1

Time of First Successful Submission: 2026-04-18 22:12:14

level2

Time of First Successful Submission: 2026-04-18 22:12:48

level3

Time of First Successful Submission: 2026-04-18 22:13:25

level4

Time of First Successful Submission: 2026-04-18 22:13:57

level5

Time of First Successful Submission: 2026-04-18 22:16:29

level6

Time of First Successful Submission: 2026-04-18 22:18:48

level7

Time of First Successful Submission: 2026-04-18 22:19:27

level8

Time of First Successful Submission: 2026-04-18 22:20:04

level9

Time of First Successful Submission: 2026-04-18 22:20:39

level10

Time of First Successful Submission: 2026-04-18 22:21:32

level11

Time of First Successful Submission: 2026-04-18 22:23:45

level12

Time of First Successful Submission: 2026-04-18 22:25:14

level13

Time of First Successful Submission: 2026-04-18 22:27:26

level14

Time of First Successful Submission: 2026-04-18 22:28:51

level15

Time of First Successful Submission: 2026-04-18 22:29:29

level16

Time of First Successful Submission: 2026-04-18 22:31:09

level17

Time of First Successful Submission: 2026-04-18 22:32:40

level18

Time of First Successful Submission: 2026-04-18 22:38:55

level19

Time of First Successful Submission: 2026-04-18 22:41:33

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-19 16:59:09

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-19 17:01:03

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-19 17:04:45

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-19 17:09:43

Reading Endianness (C)

Time of First Successful Submission: 2026-04-19 17:12:06

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-19 17:13:34

Version Information (Python)

Time of First Successful Submission: 2026-04-19 17:18:58

Version Information (C)

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

Version Information (x86)

Time of First Successful Submission: 2026-04-19 17:49:43

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-19 17:57:13

Metadata and Data (C)

Time of First Successful Submission: 2026-04-19 17:58:14

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-19 23:01:38

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-19 23:08:51

Input Restrictions (C)

Time of First Successful Submission: 2026-04-19 23:10:58

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-19 23:19:36

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-19 23:24:58

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-20 00:04:32

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-20 00:07:16

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-20 00:30:50

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-20 00:32:52

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-20 00:35:10

Internal State Mini (C)

Time of First Successful Submission: 2026-04-20 00:48:27

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-20 00:50:09

Internal State (C)

Time of First Successful Submission: 2026-04-20 03:55:31

Internal State (x86)

Time of First Successful Submission: 2026-04-20 04:26:00

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-20 19:56:14

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-20 20:10:59

The Patch Directive

Time of First Successful Submission: 2026-04-20 20:43:43

Optimizing for Space

Time of First Successful Submission: 2026-04-22 16:15:23

Tweaking Images

Time of First Successful Submission: 2026-04-22 16:48:31

Storage and Retrieval

Time of First Successful Submission: 2026-04-24 04:08:35

Extracting Knowledge

Time of First Successful Submission: 2026-04-24 04:33:32

Advanced Sprites

Time of First Successful Submission: 2026-04-25 02:44:33

Accessing Resources

Time of First Successful Submission: 2026-04-25 03:08:19

Unsafe Animations

Time of First Successful Submission: 2026-04-25 03:19:21

Animations

Time of First Successful Submission: 2026-04-25 03:24:08

Interoperability: Patching Data

Time of First Successful Submission: 2026-04-25 03:44:09

Patching Code

Time of First Successful Submission: 2026-04-26 02:21:14

Patching Control Flow

Time of First Successful Submission: 2026-04-26 02:54:47

Your First Overflow (easy)

Time of First Successful Submission: 2026-04-26 05:32:39

Your First Overflow (hard)

Time of First Successful Submission: 2026-04-26 05:35:41

Precision (easy)

Time of First Successful Submission: 2026-04-26 05:38:15

Precision (hard)

Time of First Successful Submission: 2026-04-26 05:50:07

Variable Control (easy)

Time of First Successful Submission: 2026-04-26 05:59:41

Variable Control (hard)

Time of First Successful Submission: 2026-04-26 06:14:26

Control Hijack (easy)

Time of First Successful Submission: 2026-04-26 06:25:16

Control Hijack (hard)

Time of First Successful Submission: 2026-04-26 06:28:00

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-04-26 06:43:49

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-04-26 06:56:39

PIEs (easy)

Time of First Successful Submission: 2026-04-26 22:16:36

PIEs (hard)

Time of First Successful Submission: 2026-04-26 22:52:13

String Lengths (easy)

Time of First Successful Submission: 2026-04-26 22:57:52

String Lengths (hard)

Time of First Successful Submission: 2026-04-26 23:10:22

Basic Shellcode

Time of First Successful Submission: 2026-04-26 23:16:04

NOP Sleds

Time of First Successful Submission: 2026-04-26 23:27:29

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-26 23:32:16

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-26 23:37:17

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-26 23:40:25

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-27 00:08:40

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-27 00:46:16

ECB-to-Win (easy)

Time of First Successful Submission: 2026-04-27 04:14:19

ECB-to-Win (hard)

Time of First Successful Submission: 2026-04-27 04:40:35

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-04-27 05:05:10

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-04-27 05:35:55

CIMG Screenshots

Time of First Successful Submission: 2026-04-29 18:15:17

CIMG Screenshots 2

Time of First Successful Submission: 2026-04-29 20:40:52

Wily Webserver

Time of First Successful Submission: 2026-04-30 00:14:58

The Watering Hole

Time of First Successful Submission: 2026-04-30 04:18:48

Secure Chat 1

Time of First Successful Submission: 2026-05-02 21:03:08

Secure Chat 2

Time of First Successful Submission: 2026-05-03 23:18:07

Secure Chat 3

Time of First Successful Submission: 2026-05-06 21:14:56

Secure Chat 4

Time of First Successful Submission: 2026-05-07 00:43:56

Secure Chat 5

Time of First Successful Submission: 2026-05-07 01:12:57


Program Security

30 / 162 2399 / 9832


ello ackers!

Time of First Successful Submission: 2026-05-07 16:57:48

Syscall Smuggler

Time of First Successful Submission: 2026-05-07 17:19:00

Syscall Shenanigans

Time of First Successful Submission: 2026-05-07 17:20:25

Byte Budget

Time of First Successful Submission: 2026-05-08 01:48:40

ClobberCode

Time of First Successful Submission: 2026-05-08 02:03:15

Diverse Delivery

Time of First Successful Submission: 2026-05-08 02:56:05

Pocket Payload

Time of First Successful Submission: 2026-05-08 03:24:09

Micro Menace

Time of First Successful Submission: 2026-05-08 04:04:42

Login Leakage (Easy)

Time of First Successful Submission: 2026-05-08 08:04:55

Login Leakage (Hard)

Time of First Successful Submission: 2026-05-08 08:06:55

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-05-08 18:40:16

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-05-08 18:46:17

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-05-08 20:31:01

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-05-08 20:37:09

Pointer Problems (Easy)

Time of First Successful Submission: 2026-05-08 20:53:25

Pointer Problems (Hard)

Time of First Successful Submission: 2026-05-08 22:42:56

Anomalous Array (Easy)

Time of First Successful Submission: 2026-05-08 23:41:12

Anomalous Array (Hard)

Time of First Successful Submission: 2026-05-08 23:47:31

Now you got it (Easy)

Time of First Successful Submission: 2026-05-09 03:17:03

Now you got it (Hard)

Time of First Successful Submission: 2026-05-09 16:41:15

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-05-09 20:03:22

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-05-09 20:09:29

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-05-10 23:43:16

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-05-10 23:58:56

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-05-11 01:23:00

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-05-11 01:56:33

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-05-11 02:56:22

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-05-11 03:03:15

Latent Leak (Easy)

Time of First Successful Submission: 2026-05-14 14:25:11

Latent Leak (Hard)

Time of First Successful Submission: 2026-05-15 05:21:58


System Security

13 / 95 1818 / 3424


Baby Spectre 1

Time of First Successful Submission: 2025-08-24 23:03:52

Baby Spectre 2

Time of First Successful Submission: 2025-08-24 23:28:03

Baby Spectre 3

Time of First Successful Submission: 2025-08-25 01:33:53

Baby Spectre 4

Time of First Successful Submission: 2025-08-25 07:51:58

Baby Spectre 5

Time of First Successful Submission: 2025-08-26 02:49:20

Prefetch Peek

Time of First Successful Submission: 2025-08-28 22:28:44

Spooky Spectre 1

Time of First Successful Submission: 2025-09-05 10:11:00

Spooky Spectre 2

Time of First Successful Submission: 2025-09-06 01:10:51

Yan85 Reloaded

Time of First Successful Submission: 2026-03-20 02:17:46

Ghost in the YPU 1

Time of First Successful Submission: 2026-03-26 19:02:34

Ghost in the YPU 2

Time of First Successful Submission: 2026-03-31 06:27:45

Molten Access

Time of First Successful Submission: 2026-04-02 01:46:16

Molten Walk

Time of First Successful Submission: 2026-04-02 18:49:48


Software Exploitation

90 / 90 74 / 2224


Level1.0

Time of First Successful Submission: 2025-07-16 15:50:47

Level1.1

Time of First Successful Submission: 2025-07-16 15:53:41

Level2.0

Time of First Successful Submission: 2025-07-16 15:56:41

Level2.1

Time of First Successful Submission: 2025-07-16 15:58:27

Level3.0

Time of First Successful Submission: 2025-07-16 16:37:11

Level3.1

Time of First Successful Submission: 2025-07-16 17:50:07

Level4.0

Time of First Successful Submission: 2025-07-16 18:04:29

Level4.1

Time of First Successful Submission: 2025-07-16 22:58:04

Level5.0

Time of First Successful Submission: 2025-07-17 01:53:32

Level5.1

Time of First Successful Submission: 2025-07-17 03:10:06

Level6.0

Time of First Successful Submission: 2025-07-17 04:04:39

Level6.1

Time of First Successful Submission: 2025-07-17 04:16:39

Level7.0

Time of First Successful Submission: 2025-07-17 15:23:06

Level7.1

Time of First Successful Submission: 2025-07-17 15:31:21

Level8.0

Time of First Successful Submission: 2025-07-18 12:08:13

Level8.1

Time of First Successful Submission: 2025-07-19 00:46:38

Level9.0

Time of First Successful Submission: 2025-07-19 04:34:40

Level9.1

Time of First Successful Submission: 2025-07-19 05:32:57

Level10.0

Time of First Successful Submission: 2025-07-23 00:54:36

Level10.1

Time of First Successful Submission: 2025-07-23 02:21:16

Level11.0

Time of First Successful Submission: 2025-07-23 08:04:49

Level11.1

Time of First Successful Submission: 2025-07-23 22:41:08

Level12.0

Time of First Successful Submission: 2025-07-24 01:43:07

Level12.1

Time of First Successful Submission: 2025-07-24 04:28:18

level1

Time of First Successful Submission: 2025-07-25 08:35:49

level2

Time of First Successful Submission: 2025-07-25 11:43:43

level3

Time of First Successful Submission: 2025-07-27 01:55:33

level4

Time of First Successful Submission: 2025-07-27 03:31:10

level5

Time of First Successful Submission: 2025-07-27 03:41:22

level6

Time of First Successful Submission: 2025-07-27 03:55:26

level7

Time of First Successful Submission: 2025-07-28 02:00:14

level8

Time of First Successful Submission: 2025-07-28 10:59:02

level9

Time of First Successful Submission: 2025-07-28 14:16:27

level10

Time of First Successful Submission: 2025-07-30 00:08:28

level11

Time of First Successful Submission: 2025-07-31 00:50:28

level12

Time of First Successful Submission: 2025-07-31 01:11:06

level13

Time of First Successful Submission: 2025-07-31 01:15:09

level14

Time of First Successful Submission: 2025-07-31 03:00:25

level15

Time of First Successful Submission: 2025-07-31 03:02:00

level16

Time of First Successful Submission: 2025-07-31 03:03:12

level17

Time of First Successful Submission: 2025-07-31 03:04:13

level18

Time of First Successful Submission: 2025-07-31 03:05:10

level19

Time of First Successful Submission: 2025-07-31 03:31:26

level20

Time of First Successful Submission: 2025-07-31 03:32:21

level21

Time of First Successful Submission: 2025-07-31 09:22:24

level1.0

Time of First Successful Submission: 2025-08-04 04:14:00

level1.1

Time of First Successful Submission: 2025-08-04 04:21:49

level2.0

Time of First Successful Submission: 2025-08-04 11:22:15

level2.1

Time of First Successful Submission: 2025-08-04 11:28:48

level3.0

Time of First Successful Submission: 2025-08-05 17:08:01

level3.1

Time of First Successful Submission: 2025-08-05 17:22:24

level4.0

Time of First Successful Submission: 2025-08-07 01:56:36

level4.1

Time of First Successful Submission: 2025-08-07 02:02:04

level5.0

Time of First Successful Submission: 2025-08-07 02:43:51

level5.1

Time of First Successful Submission: 2025-08-07 02:45:50

level6.0

Time of First Successful Submission: 2025-08-07 10:03:00

level6.1

Time of First Successful Submission: 2025-08-07 10:05:01

level7.0

Time of First Successful Submission: 2025-08-08 06:46:47

level7.1

Time of First Successful Submission: 2025-08-08 06:49:04

level8.0

Time of First Successful Submission: 2025-08-08 06:51:17

level8.1

Time of First Successful Submission: 2025-08-08 06:55:01

level9.0

Time of First Successful Submission: 2025-08-10 09:58:02

level9.1

Time of First Successful Submission: 2025-08-10 10:03:58

level10.0

Time of First Successful Submission: 2025-08-11 04:11:20

level10.1

Time of First Successful Submission: 2025-08-11 04:20:39

level1.0

Time of First Successful Submission: 2025-08-11 14:03:07

level1.1

Time of First Successful Submission: 2025-08-11 14:06:29

level2.0

Time of First Successful Submission: 2025-08-12 00:26:33

level2.1

Time of First Successful Submission: 2025-08-12 00:35:08

level3.0

Time of First Successful Submission: 2025-08-12 02:43:54

level3.1

Time of First Successful Submission: 2025-08-12 03:13:36

level4.0

Time of First Successful Submission: 2025-08-12 14:38:59

level4.1

Time of First Successful Submission: 2025-08-12 14:40:20

level5.0

Time of First Successful Submission: 2025-08-22 21:40:08

level5.1

Time of First Successful Submission: 2025-08-22 21:50:13

level6.0

Time of First Successful Submission: 2025-08-23 00:57:26

level6.1

Time of First Successful Submission: 2025-08-23 01:48:11

level7.0

Time of First Successful Submission: 2025-08-23 04:48:54

level7.1

Time of First Successful Submission: 2025-08-23 05:09:03

level8.0

Time of First Successful Submission: 2025-08-24 06:54:47

level8.1

Time of First Successful Submission: 2025-08-24 07:16:01

level9

Time of First Successful Submission: 2025-08-24 07:55:38

Level-1

Time of First Successful Submission: 2026-01-01 23:11:18

Level-2

Time of First Successful Submission: 2026-03-01 10:36:11

Level-3

Time of First Successful Submission: 2026-03-03 19:28:22

Level-4

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

Level-5

Time of First Successful Submission: 2026-03-04 21:22:37

Level-6

Time of First Successful Submission: 2026-03-05 22:09:55

Level-7

Time of First Successful Submission: 2026-03-12 17:45:50

Level-8

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


Start Here

11 / 12 9175 / 45551


Using the Terminal

Time of First Successful Submission: 2026-03-26 19:33:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-26 19:35:08

Using the GUI Desktop

Time of First Successful Submission: 2026-03-26 19:36:16

Pasting into the Desktop

Time of First Successful Submission: 2026-03-26 19:37:41

Restarting Challenges

Time of First Successful Submission: 2026-03-26 19:40:25

Challenge Programs

Time of First Successful Submission: 2026-03-26 19:41:10

The Flag File

Time of First Successful Submission: 2026-03-26 19:41:43

Using Privileged Mode

Time of First Successful Submission: 2026-03-26 19:42:59

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-26 19:43:51

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-26 19:44:16


Linux Luminarium

128 / 128 2417 / 34069


Intro to Commands

Time of First Successful Submission: 2025-07-14 18:14:16

Intro to Arguments

Time of First Successful Submission: 2025-07-14 18:15:22

Command History

Time of First Successful Submission: 2025-07-14 18:16:13

The Root

Time of First Successful Submission: 2025-07-14 18:17:27

Program and absolute paths

Time of First Successful Submission: 2025-07-14 18:18:42

Position thy self

Time of First Successful Submission: 2025-07-14 18:25:28

Position elsewhere

Time of First Successful Submission: 2025-07-14 18:26:53

implicit relative paths, from /

Time of First Successful Submission: 2025-07-14 18:30:39

explicit relative paths, from /

Time of First Successful Submission: 2025-07-14 18:32:19

implicit relative path

Time of First Successful Submission: 2025-07-14 18:33:47

home sweet home

Time of First Successful Submission: 2025-07-14 18:41:41

cat: not the pet, but the command!

Time of First Successful Submission: 2025-07-14 18:44:56

catting absolute paths

Time of First Successful Submission: 2025-07-14 18:45:50

more catting practice

Time of First Successful Submission: 2025-07-14 18:48:20

grepping for a needle in a haystack

Time of First Successful Submission: 2025-07-14 18:49:22

comparing files

Time of First Successful Submission: 2025-07-31 17:57:20

listing files

Time of First Successful Submission: 2025-07-14 18:50:20

touching files

Time of First Successful Submission: 2025-07-14 18:51:05

removing files

Time of First Successful Submission: 2025-07-14 18:51:49

moving files

Time of First Successful Submission: 2025-07-14 18:52:51

copying files

Time of First Successful Submission: 2026-03-12 23:42:19

hidden files

Time of First Successful Submission: 2025-07-14 18:54:17

An Epic Filesystem Quest

Time of First Successful Submission: 2025-07-14 19:02:31

making directories

Time of First Successful Submission: 2025-07-14 19:51:47

finding files

Time of First Successful Submission: 2025-07-14 19:58:45

linking files

Time of First Successful Submission: 2025-07-14 20:00:37

Learning From Documentation

Time of First Successful Submission: 2025-07-14 20:17:55

Learning Complex Usage

Time of First Successful Submission: 2025-07-14 20:18:39

Reading Manuals

Time of First Successful Submission: 2025-07-14 20:20:58

Searching Manuals

Time of First Successful Submission: 2025-07-14 20:22:04

Searching For Manuals

Time of First Successful Submission: 2025-07-14 20:25:53

Helpful Programs

Time of First Successful Submission: 2025-07-14 20:26:50

Help for Builtins

Time of First Successful Submission: 2025-07-14 20:28:09

Matching with *

Time of First Successful Submission: 2025-07-14 20:33:57

Matching with ?

Time of First Successful Submission: 2025-07-14 20:36:22

Matching with []

Time of First Successful Submission: 2025-07-14 20:40:07

Matching paths with []

Time of First Successful Submission: 2025-07-14 20:45:17

Multiple globs

Time of First Successful Submission: 2025-07-14 20:48:54

Mixing globs

Time of First Successful Submission: 2025-07-14 20:52:04

Exclusionary globbing

Time of First Successful Submission: 2025-07-14 20:53:11

Tab completion

Time of First Successful Submission: 2025-07-14 20:53:54

Multiple options for tab completion

Time of First Successful Submission: 2025-07-14 20:55:11

Tab completion on commands

Time of First Successful Submission: 2025-07-14 20:56:14

Redirecting output

Time of First Successful Submission: 2025-07-14 20:58:34

Redirecting more output

Time of First Successful Submission: 2025-07-14 21:00:46

Appending output

Time of First Successful Submission: 2025-07-14 21:03:26

Redirecting errors

Time of First Successful Submission: 2025-07-14 21:05:41

Redirecting input

Time of First Successful Submission: 2025-07-14 21:09:44

Grepping stored results

Time of First Successful Submission: 2025-07-14 22:07:37

Grepping live output

Time of First Successful Submission: 2025-07-15 17:03:34

Grepping errors

Time of First Successful Submission: 2025-07-15 17:04:56

Filtering with grep -v

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

Filtering with sed

Time of First Successful Submission: 2026-03-12 23:44:15

Duplicating piped data with tee

Time of First Successful Submission: 2025-07-15 17:16:37

Process substitution for input

Time of First Successful Submission: 2025-07-31 17:20:46

Writing to multiple programs

Time of First Successful Submission: 2025-07-15 17:38:49

Split-piping stderr and stdout

Time of First Successful Submission: 2025-07-15 17:41:07

Named pipes

Time of First Successful Submission: 2025-07-31 17:24:29

Printing Variables

Time of First Successful Submission: 2025-07-15 17:43:26

Setting Variables

Time of First Successful Submission: 2025-07-15 17:44:18

Multi-word Variables

Time of First Successful Submission: 2025-07-15 17:45:07

Exporting Variables

Time of First Successful Submission: 2025-07-15 17:46:56

Printing Exported Variables

Time of First Successful Submission: 2025-07-15 17:48:05

Storing Command Output

Time of First Successful Submission: 2025-07-15 17:50:17

Reading Input

Time of First Successful Submission: 2025-07-15 17:53:21

Reading Files

Time of First Successful Submission: 2025-07-15 17:54:26

Translating characters

Time of First Successful Submission: 2025-07-15 17:59:14

Deleting characters

Time of First Successful Submission: 2025-07-15 18:00:24

Deleting newlines

Time of First Successful Submission: 2025-07-15 18:02:25

Extracting the first lines with head

Time of First Successful Submission: 2025-07-15 18:48:23

Extracting specific sections of text

Time of First Successful Submission: 2025-07-15 18:07:16

Sorting data

Time of First Successful Submission: 2025-07-31 17:56:05

Listing Processes

Time of First Successful Submission: 2025-07-15 18:09:15

Killing Processes

Time of First Successful Submission: 2025-07-15 18:13:04

Interrupting Processes

Time of First Successful Submission: 2025-07-15 18:13:48

Killing Misbehaving Processes

Time of First Successful Submission: 2025-07-31 17:54:33

Suspending Processes

Time of First Successful Submission: 2025-07-15 18:15:22

Resuming Processes

Time of First Successful Submission: 2025-07-15 18:16:03

Backgrounding Processes

Time of First Successful Submission: 2025-07-15 18:22:07

Foregrounding Processes

Time of First Successful Submission: 2025-07-15 18:24:45

Starting Backgrounded Processes

Time of First Successful Submission: 2025-07-15 18:25:31

Process Exit Codes

Time of First Successful Submission: 2025-07-15 18:27:55

Becoming root with su

Time of First Successful Submission: 2025-07-16 01:40:50

Other users with su

Time of First Successful Submission: 2025-07-16 01:42:09

Cracking passwords

Time of First Successful Submission: 2025-07-16 01:44:45

Using sudo

Time of First Successful Submission: 2025-07-16 01:47:03

Changing File Ownership

Time of First Successful Submission: 2025-07-15 18:29:07

Groups and Files

Time of First Successful Submission: 2025-07-15 18:30:49

Fun With Groups Names

Time of First Successful Submission: 2025-07-15 18:31:33

Changing Permissions

Time of First Successful Submission: 2025-07-15 18:33:11

Executable Files

Time of First Successful Submission: 2025-07-15 18:33:59

Permission Tweaking Practice

Time of First Successful Submission: 2025-07-15 18:40:05

Permissions Setting Practice

Time of First Successful Submission: 2025-07-15 18:44:27

The SUID Bit

Time of First Successful Submission: 2025-07-15 18:46:01

Chaining with Semicolons

Time of First Successful Submission: 2025-07-16 01:48:49

Building on Success

Time of First Successful Submission: 2025-07-31 17:26:36

Handling Failure

Time of First Successful Submission: 2025-07-31 17:27:30

Your First Shell Script

Time of First Successful Submission: 2025-07-16 01:51:17

Redirecting Script Output

Time of First Successful Submission: 2025-07-16 01:55:08

Executable Shell Scripts

Time of First Successful Submission: 2025-07-16 01:59:39

Understanding Shebangs

Time of First Successful Submission: 2025-07-31 17:29:32

Scripting with Arguments

Time of First Successful Submission: 2025-07-31 17:31:36

Scripting with Conditionals

Time of First Successful Submission: 2025-07-31 17:33:21

Scripting with Default Cases

Time of First Successful Submission: 2025-07-31 17:34:27

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-07-31 17:37:22

Reading Shell Scripts

Time of First Successful Submission: 2026-03-12 23:46:57

Launching Screen

Time of First Successful Submission: 2025-07-31 17:43:19

Detaching and Attaching

Time of First Successful Submission: 2025-07-31 17:44:11

Finding Sessions

Time of First Successful Submission: 2025-07-31 17:45:26

Switching Windows

Time of First Successful Submission: 2025-07-31 17:46:39

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-07-31 17:49:11

Switching Windows (tmux)

Time of First Successful Submission: 2025-07-31 17:51:06

The PATH Variable

Time of First Successful Submission: 2025-07-16 02:01:31

Setting PATH

Time of First Successful Submission: 2025-07-16 02:03:10

Finding Commands

Time of First Successful Submission: 2025-07-16 02:08:14

Adding Commands

Time of First Successful Submission: 2025-07-16 02:13:37

Hijacking Commands

Time of First Successful Submission: 2025-07-16 02:15:22

Bashrc Backdoor

Time of First Successful Submission: 2025-07-16 02:17:07

Sniffing Input

Time of First Successful Submission: 2025-07-16 02:38:25

Overshared Directories

Time of First Successful Submission: 2025-07-16 02:42:48

Tricky Linking

Time of First Successful Submission: 2025-07-16 02:53:31

Sniffing Process Arguments

Time of First Successful Submission: 2025-07-16 02:56:04

Snooping on Configurations

Time of First Successful Submission: 2025-07-16 03:02:14

The Fork Bomb

Time of First Successful Submission: 2025-07-16 03:06:15

Disk-Space Doomsday

Time of First Successful Submission: 2025-07-16 03:27:45

rm -rf /

Time of First Successful Submission: 2025-07-16 04:08:06

Life after rm -rf /

Time of First Successful Submission: 2025-07-16 04:14:42

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-07-16 04:18:43


Computing 101

94 / 94 362 / 22400


Your First Register

Time of First Successful Submission: 2026-03-26 19:53:09

Your First Syscall

Time of First Successful Submission: 2026-03-26 19:55:39

Exit Codes

Time of First Successful Submission: 2026-03-26 19:56:29

Building Executables

Time of First Successful Submission: 2026-03-26 19:59:54

Moving Between Registers

Time of First Successful Submission: 2026-03-26 20:02:28

Loading From Memory

Time of First Successful Submission: 2026-03-26 20:04:34

More Loading Practice

Time of First Successful Submission: 2026-03-26 20:05:29

Dereferencing Pointers

Time of First Successful Submission: 2026-03-26 20:07:01

Dereferencing Yourself

Time of First Successful Submission: 2026-03-26 20:08:50

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-26 20:09:48

Stored Addresses

Time of First Successful Submission: 2026-03-26 20:16:00

Double Dereference

Time of First Successful Submission: 2026-03-26 20:17:53

The Stack

Time of First Successful Submission: 2026-03-26 21:56:34

Stack Offsets

Time of First Successful Submission: 2026-03-26 21:57:23

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-26 22:01:30

Popping From the Stack

Time of First Successful Submission: 2026-03-26 22:03:05

Disassembling Programs

Time of First Successful Submission: 2026-03-26 22:05:13

Tracing Syscalls

Time of First Successful Submission: 2026-03-26 22:06:09

Starting GDB

Time of First Successful Submission: 2026-03-26 22:16:35

Quitting GDB

Time of First Successful Submission: 2026-03-26 22:17:25

Starting Programs in GDB

Time of First Successful Submission: 2026-03-26 22:18:36

Disassembling in GDB

Time of First Successful Submission: 2026-03-26 22:19:22

Stepping Through Instructions

Time of First Successful Submission: 2026-03-26 22:20:47

Reading Register Values

Time of First Successful Submission: 2026-03-26 22:21:52

Popping Stack Values

Time of First Successful Submission: 2026-03-26 22:23:03

Examining Memory

Time of First Successful Submission: 2026-03-26 22:25:32

Examining Stack Pointers

Time of First Successful Submission: 2026-03-26 22:26:09

Cooperative Debugging

Time of First Successful Submission: 2026-03-26 22:29:58

Writing Output

Time of First Successful Submission: 2026-04-04 08:53:32

Chaining Syscalls

Time of First Successful Submission: 2026-04-04 08:54:41

Writing Strings

Time of First Successful Submission: 2026-04-04 08:55:57

Reading Data

Time of First Successful Submission: 2026-04-04 09:02:23

Opening Files

Time of First Successful Submission: 2026-04-04 09:06:20

Hardcoding the Filename

Time of First Successful Submission: 2026-04-04 09:19:47

Comparing Values

Time of First Successful Submission: 2026-04-04 15:56:05

Comparing Characters

Time of First Successful Submission: 2026-04-04 19:27:25

Conditional Control Flow

Time of First Successful Submission: 2026-04-04 19:33:28

Comparing Strings

Time of First Successful Submission: 2026-04-04 19:34:40

Reverse the Password

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

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-04 21:42:25

Looping

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

Reverse the Calculation

Time of First Successful Submission: 2026-04-04 21:47:39

Reverse the Reverse

Time of First Successful Submission: 2026-04-04 21:48:45

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-04 21:49:59

Loops on Data

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

set-register

Time of First Successful Submission: 2026-03-26 22:34:07

set-multiple-registers

Time of First Successful Submission: 2026-03-26 22:35:38

add-to-register

Time of First Successful Submission: 2026-03-26 22:36:31

linear-equation-registers

Time of First Successful Submission: 2026-03-26 23:09:47

integer-division

Time of First Successful Submission: 2026-03-26 22:51:22

modulo-operation

Time of First Successful Submission: 2026-03-26 22:53:33

set-upper-byte

Time of First Successful Submission: 2026-03-26 22:55:14

efficient-modulo

Time of First Successful Submission: 2026-03-26 23:07:27

byte-extraction

Time of First Successful Submission: 2026-03-26 23:16:57

bitwise-and

Time of First Successful Submission: 2026-03-26 23:20:15

check-even

Time of First Successful Submission: 2026-03-27 02:46:12

memory-read

Time of First Successful Submission: 2026-03-27 02:51:47

memory-write

Time of First Successful Submission: 2026-03-27 02:55:31

memory-increment

Time of First Successful Submission: 2026-03-27 03:03:07

byte-access

Time of First Successful Submission: 2026-03-27 03:06:01

memory-size-access

Time of First Successful Submission: 2026-03-27 03:11:47

little-endian-write

Time of First Successful Submission: 2026-03-27 03:17:32

memory-sum

Time of First Successful Submission: 2026-04-02 20:42:19

stack-subtraction

Time of First Successful Submission: 2026-04-02 20:48:28

swap-stack-values

Time of First Successful Submission: 2026-04-02 20:50:58

average-stack-values

Time of First Successful Submission: 2026-04-02 20:55:11

absolute-jump

Time of First Successful Submission: 2026-04-02 20:56:57

relative-jump

Time of First Successful Submission: 2026-04-02 21:00:25

jump-trampoline

Time of First Successful Submission: 2026-04-02 21:02:08

conditional-jump

Time of First Successful Submission: 2026-04-03 04:12:51

indirect-jump

Time of First Successful Submission: 2026-04-03 16:20:44

average-loop

Time of First Successful Submission: 2026-04-04 00:12:41

count-non-zero

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

string-lower

Time of First Successful Submission: 2026-04-04 03:28:02

most-common-byte

Time of First Successful Submission: 2026-04-04 08:22:24

Exit

Time of First Successful Submission: 2026-04-04 21:53:35

Socket

Time of First Successful Submission: 2026-04-04 21:58:37

Bind

Time of First Successful Submission: 2026-04-05 01:52:30

Listen

Time of First Successful Submission: 2026-04-05 01:53:38

Accept

Time of First Successful Submission: 2026-04-05 01:54:31

Static Response

Time of First Successful Submission: 2026-04-05 03:34:04

Dynamic Response

Time of First Successful Submission: 2026-04-05 04:48:17

Iterative GET Server

Time of First Successful Submission: 2026-04-05 04:50:35

Concurrent GET Server

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

Concurrent POST Server

Time of First Successful Submission: 2026-04-05 07:55:53

Web Server

Time of First Successful Submission: 2026-04-05 08:32:28

Debugging Programs

Time of First Successful Submission: 2026-04-05 17:03:41

Inspecting Registers

Time of First Successful Submission: 2026-04-05 17:10:12

Examining Memory

Time of First Successful Submission: 2026-04-05 17:21:31

Setting Breakpoints

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

GDB Scripting

Time of First Successful Submission: 2026-04-05 22:28:32

Modifying Data

Time of First Successful Submission: 2026-04-06 00:55:44

Modifying Execution

Time of First Successful Submission: 2026-04-06 00:56:31

Broken Functions

Time of First Successful Submission: 2026-04-06 01:07:58


Playing With Programs

116 / 116 867 / 23799


What's the password?

Time of First Successful Submission: 2026-04-06 01:09:27

... and again!

Time of First Successful Submission: 2026-04-06 01:10:10

Newline Troubles

Time of First Successful Submission: 2026-04-06 01:11:18

Reasoning about files

Time of First Successful Submission: 2026-04-06 01:14:22

Specifying Filenames

Time of First Successful Submission: 2026-04-06 01:15:28

Binary and Hex Encoding

Time of First Successful Submission: 2026-04-06 04:05:53

More Hex

Time of First Successful Submission: 2026-04-06 04:07:10

Decoding Hex

Time of First Successful Submission: 2026-04-06 04:13:36

Decoding Practice

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

Encoding Practice

Time of First Successful Submission: 2026-04-06 04:16:59

Hex-encoding ASCII

Time of First Successful Submission: 2026-04-06 04:22:55

Nested Encoding

Time of First Successful Submission: 2026-04-06 04:26:14

Hex-encoding UTF-8

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

UTF Mixups

Time of First Successful Submission: 2026-04-06 04:37:43

Modifying Encoded Data

Time of First Successful Submission: 2026-04-06 04:41:03

Decoding Base64

Time of First Successful Submission: 2026-04-06 04:42:12

Encoding Base64

Time of First Successful Submission: 2026-04-06 04:43:04

Dealing with Obfuscation

Time of First Successful Submission: 2026-04-06 04:47:47

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-04-06 04:54:39

Your First HTTP Request

Time of First Successful Submission: 2026-04-07 00:01:10

Reading Flask

Time of First Successful Submission: 2026-04-07 00:02:19

Commented Data

Time of First Successful Submission: 2026-04-07 00:03:18

HTTP Metadata

Time of First Successful Submission: 2026-04-07 00:04:54

HTTP (netcat)

Time of First Successful Submission: 2026-04-07 00:10:18

HTTP Paths (netcat)

Time of First Successful Submission: 2026-04-07 00:12:53

HTTP (curl)

Time of First Successful Submission: 2026-04-07 00:14:02

HTTP (python)

Time of First Successful Submission: 2026-04-07 04:53:34

HTTP Host Header (python)

Time of First Successful Submission: 2026-04-07 04:56:13

HTTP Host Header (curl)

Time of First Successful Submission: 2026-04-07 04:57:45

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-04-07 04:59:48

URL Encoding (netcat)

Time of First Successful Submission: 2026-04-07 05:01:20

HTTP GET Parameters

Time of First Successful Submission: 2026-04-07 05:03:01

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-04-07 05:04:34

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-04-07 05:05:52

HTTP Forms

Time of First Successful Submission: 2026-04-07 05:33:09

HTTP Forms (curl)

Time of First Successful Submission: 2026-04-07 05:34:10

HTTP Forms (netcat)

Time of First Successful Submission: 2026-04-07 05:43:30

HTTP Forms (python)

Time of First Successful Submission: 2026-04-07 05:46:12

HTTP Forms Without Forms

Time of First Successful Submission: 2026-04-07 05:47:57

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-04-07 13:38:02

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-04-07 13:40:08

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-04-07 13:43:01

HTTP Redirects (curl)

Time of First Successful Submission: 2026-04-07 13:43:51

HTTP Redirects (python)

Time of First Successful Submission: 2026-04-07 13:46:15

HTTP Cookies (curl)

Time of First Successful Submission: 2026-04-07 21:12:22

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-04-07 21:15:11

HTTP Cookies (python)

Time of First Successful Submission: 2026-04-07 21:16:11

Server State (python)

Time of First Successful Submission: 2026-04-07 21:16:38

Listening Web

Time of First Successful Submission: 2026-04-07 21:19:10

Speaking Redirects

Time of First Successful Submission: 2026-04-07 21:29:56

JavaScript Redirects

Time of First Successful Submission: 2026-04-07 21:42:29

Including JavaScript

Time of First Successful Submission: 2026-04-07 21:46:12

HTTP (javascript)

Time of First Successful Submission: 2026-04-07 21:49:46

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-04-07 21:51:59

HTTP Forms (javascript)

Time of First Successful Submission: 2026-04-07 21:54:19

cat

Time of First Successful Submission: 2026-04-06 07:51:08

more

Time of First Successful Submission: 2026-04-06 07:51:41

less

Time of First Successful Submission: 2026-04-06 07:52:11

tail

Time of First Successful Submission: 2026-04-06 07:52:37

head

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

sort

Time of First Successful Submission: 2026-04-06 07:53:27

vim

Time of First Successful Submission: 2026-04-06 07:53:48

emacs

Time of First Successful Submission: 2026-04-06 07:54:10

nano

Time of First Successful Submission: 2026-04-06 07:54:31

rev

Time of First Successful Submission: 2026-04-06 07:55:10

od

Time of First Successful Submission: 2026-04-06 07:58:46

hd

Time of First Successful Submission: 2026-04-06 07:59:40

xxd

Time of First Successful Submission: 2026-04-06 08:00:28

base32

Time of First Successful Submission: 2026-04-06 08:00:58

base64

Time of First Successful Submission: 2026-04-06 08:01:24

split

Time of First Successful Submission: 2026-04-06 08:03:14

gzip

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

bzip2

Time of First Successful Submission: 2026-04-06 08:05:26

zip

Time of First Successful Submission: 2026-04-06 08:06:35

tar

Time of First Successful Submission: 2026-04-06 08:08:47

ar

Time of First Successful Submission: 2026-04-06 08:12:36

cpio

Time of First Successful Submission: 2026-04-06 08:19:45

genisoimage

Time of First Successful Submission: 2026-04-06 22:16:37

env

Time of First Successful Submission: 2026-04-06 22:18:21

find

Time of First Successful Submission: 2026-04-06 22:18:52

make

Time of First Successful Submission: 2026-04-06 22:25:17

nice

Time of First Successful Submission: 2026-04-06 22:25:52

timeout

Time of First Successful Submission: 2026-04-06 22:26:20

stdbuf

Time of First Successful Submission: 2026-04-06 22:26:50

setarch

Time of First Successful Submission: 2026-04-06 22:28:12

watch

Time of First Successful Submission: 2026-04-06 22:29:20

socat

Time of First Successful Submission: 2026-04-06 22:29:48

whiptail

Time of First Successful Submission: 2026-04-06 22:33:13

awk

Time of First Successful Submission: 2026-04-06 22:33:37

sed

Time of First Successful Submission: 2026-04-06 22:35:44

ed

Time of First Successful Submission: 2026-04-06 22:37:50

chown

Time of First Successful Submission: 2026-04-06 22:38:19

chmod

Time of First Successful Submission: 2026-04-06 22:38:43

cp

Time of First Successful Submission: 2026-04-06 22:39:54

mv

Time of First Successful Submission: 2026-04-06 23:12:33

perl

Time of First Successful Submission: 2026-04-06 23:13:58

python

Time of First Successful Submission: 2026-04-06 23:15:01

ruby

Time of First Successful Submission: 2026-04-06 23:16:40

bash

Time of First Successful Submission: 2026-04-06 23:17:04

date

Time of First Successful Submission: 2026-04-06 23:20:10

dmesg

Time of First Successful Submission: 2026-04-06 23:21:05

wc

Time of First Successful Submission: 2026-04-06 23:21:35

gcc

Time of First Successful Submission: 2026-04-06 23:22:23

as

Time of First Successful Submission: 2026-04-06 23:22:47

wget

Time of First Successful Submission: 2026-04-06 23:25:09

ssh-keygen

Time of First Successful Submission: 2026-04-06 23:28:30

SQL Queries

Time of First Successful Submission: 2026-04-07 21:57:18

Filtering SQL

Time of First Successful Submission: 2026-04-07 22:00:53

Choosing Columns

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

Exclusionary Filtering

Time of First Successful Submission: 2026-04-08 04:05:33

Filtering Strings

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

Filtering on Expressions

Time of First Successful Submission: 2026-04-08 04:07:37

SELECTing Expressions

Time of First Successful Submission: 2026-04-08 04:17:47

Composite Conditions

Time of First Successful Submission: 2026-04-08 04:19:53

Reaching Your LIMITs

Time of First Successful Submission: 2026-04-08 04:21:05

Querying Metadata

Time of First Successful Submission: 2026-04-08 04:24:58


GCA CTF

11 / 104 9335 / 45841


Using the Terminal

Time of First Successful Submission: 2026-03-26 19:33:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-26 19:35:08

Using the GUI Desktop

Time of First Successful Submission: 2026-03-26 19:36:16

Pasting into the Desktop

Time of First Successful Submission: 2026-03-26 19:37:41

Connecting over SSH

Time of First Successful Submission: 2026-03-26 19:38:13

Restarting Challenges

Time of First Successful Submission: 2026-03-26 19:40:25

Challenge Programs

Time of First Successful Submission: 2026-03-26 19:41:10

The Flag File

Time of First Successful Submission: 2026-03-26 19:41:43

Using Privileged Mode

Time of First Successful Submission: 2026-03-26 19:42:59

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-26 19:43:51

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-26 19:44:16


Red Team Dojo

3 / 3 16 / 70


Hack the Bob!

Time of First Successful Submission: 2025-07-14 05:58:11

Gitty Up

Time of First Successful Submission: 2025-07-14 06:47:51

CVE-202*-3*4**

Time of First Successful Submission: 2026-03-13 00:18:59