Bonfra

Italy

Intro to Programming Languages

12 / 234 18719 / 32484


Commands

Time of First Successful Submission: 2026-01-29 11:07:09

Command Arguments

Time of First Successful Submission: 2026-01-29 11:07:49

Command History

Time of First Successful Submission: 2026-01-29 11:08:17

The Root Path

Time of First Successful Submission: 2026-01-29 11:09:10

Absolute Paths

Time of First Successful Submission: 2026-01-29 11:09:28

Changing position

Time of First Successful Submission: 2026-01-29 11:10:41

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-29 11:11:33

Relative Paths

Time of First Successful Submission: 2026-01-29 11:13:02

Cat

Time of First Successful Submission: 2026-03-14 23:26:16

Ls

Time of First Successful Submission: 2026-03-14 23:29:18

Ls All

Time of First Successful Submission: 2026-03-14 23:32:07

Find

Time of First Successful Submission: 2026-03-14 23:41:16


Intro to Cybersecurity

183 / 183 146 / 20249


Path Traversal 1

Time of First Successful Submission: 2026-01-29 11:22:44

Path Traversal 2

Time of First Successful Submission: 2026-01-29 11:43:36

CMDi 1

Time of First Successful Submission: 2026-01-29 11:47:32

CMDi 2

Time of First Successful Submission: 2026-01-29 11:49:45

CMDi 3

Time of First Successful Submission: 2026-01-29 13:30:30

CMDi 4

Time of First Successful Submission: 2026-01-29 13:36:15

CMDi 5

Time of First Successful Submission: 2026-01-29 13:37:47

CMDi 6

Time of First Successful Submission: 2026-01-29 13:44:22

Authentication Bypass 1

Time of First Successful Submission: 2026-01-29 13:46:58

Authentication Bypass 2

Time of First Successful Submission: 2026-01-29 13:48:26

SQLi 1

Time of First Successful Submission: 2026-01-29 14:09:01

SQLi 2

Time of First Successful Submission: 2026-01-29 14:15:49

SQLi 3

Time of First Successful Submission: 2026-01-29 14:18:09

SQLi 4

Time of First Successful Submission: 2026-01-29 14:24:14

SQLi 5

Time of First Successful Submission: 2026-01-29 17:22:14

XSS 1

Time of First Successful Submission: 2026-01-29 17:30:22

XSS 2

Time of First Successful Submission: 2026-01-29 17:31:55

XSS 3

Time of First Successful Submission: 2026-01-29 18:28:26

XSS 4

Time of First Successful Submission: 2026-01-29 18:29:51

XSS 5

Time of First Successful Submission: 2026-01-29 18:33:28

XSS 6

Time of First Successful Submission: 2026-01-29 18:35:36

XSS 7

Time of First Successful Submission: 2026-01-29 18:41:03

CSRF 1

Time of First Successful Submission: 2026-01-29 18:45:14

CSRF 2

Time of First Successful Submission: 2026-01-29 18:48:47

CSRF 3

Time of First Successful Submission: 2026-01-29 18:53:39

CSRF 4

Time of First Successful Submission: 2026-01-29 18:58:34

CSRF 5

Time of First Successful Submission: 2026-01-29 19:09:11

Connect

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

Send

Time of First Successful Submission: 2026-01-29 19:14:23

Shutdown

Time of First Successful Submission: 2026-01-29 19:17:47

Listen

Time of First Successful Submission: 2026-01-29 19:18:24

Scan 1

Time of First Successful Submission: 2026-01-29 19:31:01

Scan 2

Time of First Successful Submission: 2026-01-29 19:58:37

Monitor 1

Time of First Successful Submission: 2026-01-29 20:02:24

Monitor 2

Time of First Successful Submission: 2026-01-29 20:13:03

Sniffing Cookies

Time of First Successful Submission: 2026-01-29 21:07:30

Network Configuration

Time of First Successful Submission: 2026-01-30 08:40:09

Firewall 1

Time of First Successful Submission: 2026-01-30 08:42:08

Firewall 2

Time of First Successful Submission: 2026-01-30 08:43:04

Firewall 3

Time of First Successful Submission: 2026-01-30 08:46:04

Denial of Service 1

Time of First Successful Submission: 2026-01-31 11:33:00

Denial of Service 2

Time of First Successful Submission: 2026-01-31 11:34:53

Denial of Service 3

Time of First Successful Submission: 2026-01-31 14:35:27

Ethernet

Time of First Successful Submission: 2026-01-31 14:38:01

IP

Time of First Successful Submission: 2026-01-31 14:40:29

TCP

Time of First Successful Submission: 2026-01-31 14:41:13

TCP Handshake

Time of First Successful Submission: 2026-01-31 14:42:24

UDP

Time of First Successful Submission: 2026-02-01 01:36:56

UDP 2

Time of First Successful Submission: 2026-02-01 01:39:24

UDP Spoofing 1

Time of First Successful Submission: 2026-02-01 01:45:46

UDP Spoofing 2

Time of First Successful Submission: 2026-02-01 02:02:33

UDP Spoofing 3

Time of First Successful Submission: 2026-02-01 02:17:46

UDP Spoofing 4

Time of First Successful Submission: 2026-02-01 10:08:57

ARP

Time of First Successful Submission: 2026-02-01 10:10:35

Intercept

Time of First Successful Submission: 2026-02-01 10:52:02

Man-in-the-Middle

Time of First Successful Submission: 2026-02-01 13:07:23

XOR

Time of First Successful Submission: 2026-02-01 19:59:04

XORing Hex

Time of First Successful Submission: 2026-02-01 20:01:53

XORing ASCII

Time of First Successful Submission: 2026-02-01 20:05:17

XORing ASCII Strings

Time of First Successful Submission: 2026-02-01 20:09:50

One-time Pad

Time of First Successful Submission: 2026-02-03 13:54:31

One-time Pad Tampering

Time of First Successful Submission: 2026-02-03 14:00:59

Many-time Pad

Time of First Successful Submission: 2026-02-06 23:50:35

AES

Time of First Successful Submission: 2026-02-06 23:58:01

AES-ECB-CPA

Time of First Successful Submission: 2026-02-07 09:44:22

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-02-07 10:14:32

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-02-07 10:17:14

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-02-07 10:19:18

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-02-07 10:21:42

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-02-07 10:23:31

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-02-07 10:24:53

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-02-07 10:37:52

AES-CBC

Time of First Successful Submission: 2026-02-07 10:59:42

AES-CBC Tampering

Time of First Successful Submission: 2026-02-07 11:03:42

AES-CBC Resizing

Time of First Successful Submission: 2026-02-07 11:05:08

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-02-07 11:14:27

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-02-07 11:25:06

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-02-07 11:56:16

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-02-07 15:53:28

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-02-07 16:09:16

DHKE

Time of First Successful Submission: 2026-02-07 16:21:58

DHKE-to-AES

Time of First Successful Submission: 2026-02-07 16:23:30

RSA 1

Time of First Successful Submission: 2026-02-07 16:31:16

RSA 2

Time of First Successful Submission: 2026-02-07 16:32:05

RSA 3

Time of First Successful Submission: 2026-02-07 16:35:22

RSA 4

Time of First Successful Submission: 2026-02-07 16:41:53

RSA Signatures

Time of First Successful Submission: 2026-02-07 16:43:43

SHA 1

Time of First Successful Submission: 2026-02-07 20:52:45

SHA 2

Time of First Successful Submission: 2026-02-07 20:57:43

TLS 1

Time of First Successful Submission: 2026-02-07 23:40:55

TLS 2

Time of First Successful Submission: 2026-02-07 23:42:43

level1

Time of First Successful Submission: 2026-02-01 13:16:53

level2

Time of First Successful Submission: 2026-02-01 13:17:25

level3

Time of First Successful Submission: 2026-02-01 13:18:09

level4

Time of First Successful Submission: 2026-02-01 13:18:38

level5

Time of First Successful Submission: 2026-02-01 13:19:50

level6

Time of First Successful Submission: 2026-02-01 13:25:03

level7

Time of First Successful Submission: 2026-02-01 13:25:43

level8

Time of First Successful Submission: 2026-02-01 13:26:10

level9

Time of First Successful Submission: 2026-02-01 13:26:41

level10

Time of First Successful Submission: 2026-02-01 13:28:34

level11

Time of First Successful Submission: 2026-02-01 13:31:48

level12

Time of First Successful Submission: 2026-02-01 13:33:56

level13

Time of First Successful Submission: 2026-02-01 13:34:53

level14

Time of First Successful Submission: 2026-02-01 13:35:48

level15

Time of First Successful Submission: 2026-02-01 13:36:38

level16

Time of First Successful Submission: 2026-02-01 13:37:43

level17

Time of First Successful Submission: 2026-02-01 13:41:04

level18

Time of First Successful Submission: 2026-02-01 13:42:16

level19

Time of First Successful Submission: 2026-02-01 13:43:05

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-02-02 15:37:18

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-02-02 15:38:35

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-02-02 15:42:40

Reading Endianness (Python)

Time of First Successful Submission: 2026-02-02 15:44:28

Reading Endianness (C)

Time of First Successful Submission: 2026-02-02 15:46:48

Reading Endianness (x86)

Time of First Successful Submission: 2026-02-02 15:48:34

Version Information (Python)

Time of First Successful Submission: 2026-02-02 15:51:41

Version Information (C)

Time of First Successful Submission: 2026-02-02 16:03:25

Version Information (x86)

Time of First Successful Submission: 2026-02-02 16:08:26

Metadata and Data (Python)

Time of First Successful Submission: 2026-02-02 16:10:21

Metadata and Data (C)

Time of First Successful Submission: 2026-02-02 16:11:58

Metadata and Data (x86)

Time of First Successful Submission: 2026-02-02 16:13:19

Input Restrictions (Python)

Time of First Successful Submission: 2026-02-02 16:15:59

Input Restrictions (C)

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

Input Restrictions (x86)

Time of First Successful Submission: 2026-02-02 16:19:25

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-02-03 17:00:30

Behold the cIMG! (C)

Time of First Successful Submission: 2026-02-03 17:01:46

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-02-03 17:04:53

A Basic cIMG (Python)

Time of First Successful Submission: 2026-02-03 17:07:44

A Basic cIMG (C)

Time of First Successful Submission: 2026-02-03 17:09:33

A Basic cIMG (x86)

Time of First Successful Submission: 2026-02-03 17:11:04

Internal State Mini (C)

Time of First Successful Submission: 2026-02-03 17:16:57

Internal State Mini (x86)

Time of First Successful Submission: 2026-02-03 17:18:23

Internal State (C)

Time of First Successful Submission: 2026-02-03 18:24:24

Internal State (x86)

Time of First Successful Submission: 2026-02-03 18:35:20

File Formats: Directives (C)

Time of First Successful Submission: 2026-02-03 18:47:58

File Formats: Directives (x86)

Time of First Successful Submission: 2026-02-03 18:53:09

The Patch Directive

Time of First Successful Submission: 2026-02-04 08:43:57

Optimizing for Space

Time of First Successful Submission: 2026-02-04 09:37:00

Tweaking Images

Time of First Successful Submission: 2026-02-04 09:58:18

Storage and Retrieval

Time of First Successful Submission: 2026-02-04 12:41:08

Extracting Knowledge

Time of First Successful Submission: 2026-02-04 13:24:54

Advanced Sprites

Time of First Successful Submission: 2026-02-05 18:35:21

Accessing Resources

Time of First Successful Submission: 2026-02-05 19:00:09

Unsafe Animations

Time of First Successful Submission: 2026-02-05 19:05:15

Animations

Time of First Successful Submission: 2026-02-05 22:36:39

Interoperability: Patching Data

Time of First Successful Submission: 2026-02-05 22:48:12

Patching Code

Time of First Successful Submission: 2026-02-05 23:05:39

Patching Control Flow

Time of First Successful Submission: 2026-02-05 23:11:14

Your First Overflow (easy)

Time of First Successful Submission: 2026-02-06 15:39:48

Your First Overflow (hard)

Time of First Successful Submission: 2026-02-06 21:06:45

Precision (easy)

Time of First Successful Submission: 2026-02-06 21:10:11

Precision (hard)

Time of First Successful Submission: 2026-02-06 21:12:18

Variable Control (easy)

Time of First Successful Submission: 2026-02-06 21:24:41

Variable Control (hard)

Time of First Successful Submission: 2026-02-06 21:28:40

Control Hijack (easy)

Time of First Successful Submission: 2026-02-06 21:36:17

Control Hijack (hard)

Time of First Successful Submission: 2026-02-06 21:43:24

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-02-06 22:20:18

Tricky Control Hijack (hard)

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

PIEs (easy)

Time of First Successful Submission: 2026-02-06 22:35:56

PIEs (hard)

Time of First Successful Submission: 2026-02-06 22:37:55

String Lengths (easy)

Time of First Successful Submission: 2026-02-06 22:45:29

String Lengths (hard)

Time of First Successful Submission: 2026-02-06 22:47:20

Basic Shellcode

Time of First Successful Submission: 2026-02-06 22:52:29

NOP Sleds

Time of First Successful Submission: 2026-02-06 22:54:04

NULL-Free Shellcode

Time of First Successful Submission: 2026-02-06 22:55:31

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-02-06 23:05:35

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-02-06 23:06:58

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-02-06 23:09:48

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-02-06 23:16:25

ECB-to-Win (easy)

Time of First Successful Submission: 2026-02-07 23:58:35

ECB-to-Win (hard)

Time of First Successful Submission: 2026-02-08 00:53:23

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-02-08 11:58:37

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-02-08 17:46:11

CIMG Screenshots

Time of First Successful Submission: 2026-02-09 11:46:28

CIMG Screenshots 2

Time of First Successful Submission: 2026-02-09 13:53:40

Wily Webserver

Time of First Successful Submission: 2026-02-09 15:02:30

The Watering Hole

Time of First Successful Submission: 2026-02-09 16:17:06

Secure Chat 1

Time of First Successful Submission: 2026-02-09 20:14:35

Secure Chat 2

Time of First Successful Submission: 2026-02-09 21:09:44

Secure Chat 3

Time of First Successful Submission: 2026-02-10 12:35:07

Secure Chat 4

Time of First Successful Submission: 2026-02-10 15:00:01

Secure Chat 5

Time of First Successful Submission: 2026-02-11 15:09:56


Program Security

159 / 162 109 / 9664


ello ackers!

Time of First Successful Submission: 2026-02-12 08:51:41

Syscall Smuggler

Time of First Successful Submission: 2026-02-12 08:53:35

Syscall Shenanigans

Time of First Successful Submission: 2026-02-12 08:56:28

Byte Budget

Time of First Successful Submission: 2026-02-12 10:52:31

ClobberCode

Time of First Successful Submission: 2026-02-12 13:12:45

Diverse Delivery

Time of First Successful Submission: 2026-02-12 13:55:11

Pocket Payload

Time of First Successful Submission: 2026-02-12 14:09:14

Micro Menace

Time of First Successful Submission: 2026-02-12 14:15:31

Login Leakage (Easy)

Time of First Successful Submission: 2026-02-13 23:00:35

Login Leakage (Hard)

Time of First Successful Submission: 2026-02-13 23:15:33

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-02-15 09:10:05

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-02-15 09:13:20

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-02-15 10:44:08

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-02-15 10:47:43

Pointer Problems (Easy)

Time of First Successful Submission: 2026-02-15 11:11:39

Pointer Problems (Hard)

Time of First Successful Submission: 2026-02-15 11:14:16

Anomalous Array (Easy)

Time of First Successful Submission: 2026-02-15 18:55:29

Anomalous Array (Hard)

Time of First Successful Submission: 2026-02-15 18:56:16

Now you got it (Easy)

Time of First Successful Submission: 2026-02-15 19:07:36

Now you got it (Hard)

Time of First Successful Submission: 2026-02-15 20:19:13

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-02-15 22:03:04

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-02-15 22:59:22

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-02-16 15:33:57

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-02-16 15:34:28

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-02-16 16:07:01

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-02-16 16:09:48

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-02-16 16:47:35

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-02-16 16:48:08

Latent Leak (Easy)

Time of First Successful Submission: 2026-02-16 17:16:37

Latent Leak (Hard)

Time of First Successful Submission: 2026-02-16 17:35:37

Fork Foolery (Easy)

Time of First Successful Submission: 2026-02-16 18:08:33

Fork Foolery (Hard)

Time of First Successful Submission: 2026-02-16 18:24:49

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-02-17 19:45:06

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-02-17 19:47:16

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-02-17 20:40:45

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-02-17 20:42:15

Can It Fizz?

Time of First Successful Submission: 2026-03-12 14:34:17

Does It Buzz?

Time of First Successful Submission: 2026-03-12 15:22:46

Make It FizzBuzz

Time of First Successful Submission: 2026-03-12 23:47:54

Terrible Token (Easy)

Time of First Successful Submission: 2026-03-13 10:04:36

Terrible Token (Hard)

Time of First Successful Submission: 2026-03-13 10:06:46

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-03-13 10:15:29

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-03-13 10:18:49

Bit Bender

Time of First Successful Submission: 2026-03-13 10:38:24

Substitution Sorcery

Time of First Successful Submission: 2026-03-13 11:02:33

Meager Mangler (Easy)

Time of First Successful Submission: 2026-03-13 11:10:06

Meager Mangler (Hard)

Time of First Successful Submission: 2026-03-13 11:16:44

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-03-13 11:25:25

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-03-13 11:37:58

Patched Up (Easy)

Time of First Successful Submission: 2026-03-13 13:15:23

Patched Up (Hard)

Time of First Successful Submission: 2026-03-13 13:17:55

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-03-13 13:20:32

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-03-13 13:21:51

Patch Perfect (Easy)

Time of First Successful Submission: 2026-03-13 13:43:56

Patch Perfect (Hard)

Time of First Successful Submission: 2026-03-13 13:46:35

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-03-31 11:38:44

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-03-31 11:52:57

Know the Yancode (Easy)

Time of First Successful Submission: 2026-03-31 12:48:45

Know the Yancode (Hard)

Time of First Successful Submission: 2026-03-31 12:50:18

Master the Yancode (Easy)

Time of First Successful Submission: 2026-03-31 12:52:31

Master the Yancode (Hard)

Time of First Successful Submission: 2026-03-31 12:54:32

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-03-31 12:56:33

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-03-31 13:06:43

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-03-31 16:59:20

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-03-31 17:09:30

The Yangler (Easy)

Time of First Successful Submission: 2026-03-31 17:41:12

The Yangler (Hard)

Time of First Successful Submission: 2026-03-31 17:51:33

Yancraft (Easy)

Time of First Successful Submission: 2026-03-31 18:19:15

Yancraft (Hard)

Time of First Successful Submission: 2026-03-31 18:32:56

Yansanity (Easy)

Time of First Successful Submission: 2026-03-31 18:54:38

Yansanity (Hard)

Time of First Successful Submission: 2026-04-01 14:33:09

When the Cow Says Moo

Time of First Successful Submission: 2026-04-01 14:56:56

Predictable Migration

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

Hashing Heifers

Time of First Successful Submission: 2026-04-01 15:24:17

Salty Stampede

Time of First Successful Submission: 2026-04-01 15:43:22

Loose Link (Easy)

Time of First Successful Submission: 2026-03-13 13:55:46

Loose Link (Hard)

Time of First Successful Submission: 2026-03-13 13:58:34

Call Chain (Easy)

Time of First Successful Submission: 2026-03-13 14:01:50

Call Chain (Hard)

Time of First Successful Submission: 2026-03-13 14:03:37

Chain of Command (Easy)

Time of First Successful Submission: 2026-03-13 14:07:44

Chain of Command (Hard)

Time of First Successful Submission: 2026-03-13 14:10:43

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-03-13 14:34:49

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-03-13 14:36:14

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-03-13 14:42:43

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-03-13 14:44:37

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-03-13 15:04:21

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-03-13 15:05:50

Leaky Libc (Easy)

Time of First Successful Submission: 2026-03-14 10:35:32

Leaky Libc (Hard)

Time of First Successful Submission: 2026-03-14 10:38:37

Putsception (Easy)

Time of First Successful Submission: 2026-03-14 10:57:20

Putsception (Hard)

Time of First Successful Submission: 2026-03-14 11:01:02

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-03-15 17:59:50

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-03-15 18:02:43

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-03-15 19:59:35

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-03-15 20:18:35

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-03-15 21:12:25

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-03-15 21:18:48

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-03-15 22:20:21

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-03-15 22:24:13

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-03-19 14:46:43

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-03-19 15:46:17

ROP Roulette (Easy)

Time of First Successful Submission: 2026-03-20 11:27:07

ROP Roulette (Hard)

Time of First Successful Submission: 2026-03-20 11:29:59

Libc Lottery (Easy)

Time of First Successful Submission: 2026-03-20 12:57:16

Libc Lottery (Hard)

Time of First Successful Submission: 2026-03-20 12:59:24

Freebie (Easy)

Time of First Successful Submission: 2026-03-20 16:48:14

Freebie (Hard)

Time of First Successful Submission: 2026-03-20 16:53:24

Freebin Feint (Easy)

Time of First Successful Submission: 2026-03-20 16:54:46

Freebin Feint (Hard)

Time of First Successful Submission: 2026-03-20 17:30:51

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-03-20 18:56:51

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-03-20 18:59:08

Fickle Free (Easy)

Time of First Successful Submission: 2026-03-26 13:39:12

Fickle Free (Hard)

Time of First Successful Submission: 2026-03-26 13:58:23

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-03-26 16:58:25

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-03-26 16:59:55

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-03-27 19:38:26

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-03-27 19:40:50

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-03-27 20:35:08

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-03-27 20:37:22

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-03-28 11:50:32

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-03-28 11:52:19

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-03-28 17:20:35

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-03-28 17:26:40

Sus Sequence (Easy)

Time of First Successful Submission: 2026-03-28 22:57:39

Sus Sequence (Hard)

Time of First Successful Submission: 2026-03-28 22:58:11

Echo Emanations (Easy)

Time of First Successful Submission: 2026-03-29 09:35:19

Echo Emanations (Hard)

Time of First Successful Submission: 2026-03-29 09:37:36

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-03-29 10:12:00

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-03-29 10:15:42

Stack Summoning (Easy)

Time of First Successful Submission: 2026-03-29 13:38:26

Stack Summoning (Hard)

Time of First Successful Submission: 2026-03-29 13:38:50

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-03-29 18:00:39

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-03-29 21:05:28

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-03-29 21:59:46

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-03-29 22:00:18

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-03-30 16:49:18

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-03-30 16:52:34

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-03-30 19:18:23

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-03-30 19:21:55

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-03-30 20:10:01

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-03-30 20:11:31

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-03-30 21:18:52

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-03-30 21:31:48

Tcache Terror (Easy)

Time of First Successful Submission: 2026-03-30 23:01:56

Tcache Terror (Hard)

Time of First Successful Submission: 2026-03-30 23:18:07

Containment Composition (Easy)

Time of First Successful Submission: 2026-04-02 13:11:21

Containment Composition (Hard)

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

Constant Corruption (Easy)

Time of First Successful Submission: 2026-04-02 17:49:16

Constant Corruption (Hard)

Time of First Successful Submission: 2026-04-02 18:04:13

Return to YanLand (Easy)

Time of First Successful Submission: 2026-04-02 18:31:12

Return to YanLand (Hard)

Time of First Successful Submission: 2026-04-02 18:47:03

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-04-02 18:56:53

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-04-02 21:40:34

The YanFilter (Easy)

Time of First Successful Submission: 2026-04-02 22:00:15

The YanFilter (Hard)

Time of First Successful Submission: 2026-04-02 22:22:01

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-04-02 23:07:03

The Great YanFilter (Hard)

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

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-04-04 17:15:26

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-04-04 19:23:40


System Security

74 / 95 280 / 3348


chroot-escape-basic

Time of First Successful Submission: 2026-02-04 14:27:44

chroot-shellcode

Time of First Successful Submission: 2026-02-04 14:32:43

chroot-proper

Time of First Successful Submission: 2026-02-04 14:41:48

seccomp-basic

Time of First Successful Submission: 2026-02-04 14:54:38

seccomp-linkat

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

seccomp-fchdir

Time of First Successful Submission: 2026-04-04 22:50:28

seccomp-rechroot

Time of First Successful Submission: 2026-04-05 10:19:55

seccomp-only

Time of First Successful Submission: 2026-04-05 16:13:00

seccomp-arch32

Time of First Successful Submission: 2026-04-05 23:22:26

seccomp-minimal

Time of First Successful Submission: 2026-04-05 23:34:50

seccomp-timebased

Time of First Successful Submission: 2026-04-06 00:09:24

seccomp-readonly

Time of First Successful Submission: 2026-04-06 00:36:53

process-isolation

Time of First Successful Submission: 2026-04-06 01:13:33

mount-namespace

Time of First Successful Submission: 2026-04-06 20:02:36

mount-cleanup

Time of First Successful Submission: 2026-04-06 20:08:27

mount-readonly

Time of First Successful Submission: 2026-04-06 20:09:18

mount-shellcode

Time of First Successful Submission: 2026-04-06 20:11:12

mount-bindmount

Time of First Successful Submission: 2026-04-06 20:43:50

level1.0

Time of First Successful Submission: 2026-04-08 09:07:35

level1.1

Time of First Successful Submission: 2026-04-08 09:10:43

level2.0

Time of First Successful Submission: 2026-04-08 09:12:46

level2.1

Time of First Successful Submission: 2026-04-08 09:20:28

level3.0

Time of First Successful Submission: 2026-04-08 09:50:11

level3.1

Time of First Successful Submission: 2026-04-08 09:51:03

level4.0

Time of First Successful Submission: 2026-04-08 10:01:55

level4.1

Time of First Successful Submission: 2026-04-08 10:02:49

level5.0

Time of First Successful Submission: 2026-04-09 14:05:13

level5.1

Time of First Successful Submission: 2026-04-09 20:41:28

level6.0

Time of First Successful Submission: 2026-04-09 21:16:14

level6.1

Time of First Successful Submission: 2026-04-09 21:16:48

level7.0

Time of First Successful Submission: 2026-04-09 21:25:39

level7.1

Time of First Successful Submission: 2026-04-09 21:32:59

level8.0

Time of First Successful Submission: 2026-04-09 21:37:40

level8.1

Time of First Successful Submission: 2026-04-09 21:48:09

level9.0

Time of First Successful Submission: 2026-04-09 22:00:32

level9.1

Time of First Successful Submission: 2026-04-09 22:11:53

level10.0

Time of First Successful Submission: 2026-04-10 07:41:52

level10.1

Time of First Successful Submission: 2026-04-10 07:55:52

level11.0

Time of First Successful Submission: 2026-04-10 07:59:19

level11.1

Time of First Successful Submission: 2026-04-10 08:06:20

level1.0

Time of First Successful Submission: 2026-04-10 21:39:20

level1.1

Time of First Successful Submission: 2026-04-10 21:41:40

level2.0

Time of First Successful Submission: 2026-04-10 22:10:36

level2.1

Time of First Successful Submission: 2026-04-10 22:12:07

level3.0

Time of First Successful Submission: 2026-04-10 22:16:43

level3.1

Time of First Successful Submission: 2026-04-10 22:18:16

level4.0

Time of First Successful Submission: 2026-04-10 22:23:48

level4.1

Time of First Successful Submission: 2026-04-10 22:26:02

level5.0

Time of First Successful Submission: 2026-04-10 22:31:32

level5.1

Time of First Successful Submission: 2026-04-10 22:33:21

level6.0

Time of First Successful Submission: 2026-04-10 22:43:36

level6.1

Time of First Successful Submission: 2026-04-10 22:46:31

level7.0

Time of First Successful Submission: 2026-04-11 09:23:41

level7.1

Time of First Successful Submission: 2026-04-11 09:24:21

level8.0

Time of First Successful Submission: 2026-04-11 10:02:08

level8.1

Time of First Successful Submission: 2026-04-11 10:21:12

level9.0

Time of First Successful Submission: 2026-04-11 13:04:59

level9.1

Time of First Successful Submission: 2026-04-11 13:05:57

level10.0

Time of First Successful Submission: 2026-04-12 19:23:34

level10.1

Time of First Successful Submission: 2026-04-12 19:27:26

level11.0

Time of First Successful Submission: 2026-04-12 21:17:52

level11.1

Time of First Successful Submission: 2026-04-12 21:19:13

level12.0

Time of First Successful Submission: 2026-04-13 08:34:44

level12.1

Time of First Successful Submission: 2026-04-13 10:06:45

Baby Spectre 1

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

Baby Spectre 2

Time of First Successful Submission: 2026-04-13 19:18:37

Baby Spectre 3

Time of First Successful Submission: 2026-04-13 19:27:51

Baby Spectre 4

Time of First Successful Submission: 2026-04-13 19:37:33

Baby Spectre 5

Time of First Successful Submission: 2026-04-13 23:27:00

Prefetch Peek

Time of First Successful Submission: 2026-04-14 14:10:00

Spooky Spectre 1

Time of First Successful Submission: 2026-04-16 17:38:11

Spooky Spectre 2

Time of First Successful Submission: 2026-04-16 18:31:14

Molten Access

Time of First Successful Submission: 2026-04-16 20:22:28

Molten Walk

Time of First Successful Submission: 2026-04-16 22:37:49


Start Here

12 / 12 999 / 43895


Using the Terminal

Time of First Successful Submission: 2026-01-29 10:42:06

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-29 10:43:58

Using the GUI Desktop

Time of First Successful Submission: 2026-01-29 10:45:22

Pasting into the Desktop

Time of First Successful Submission: 2026-01-29 10:46:18

Restarting Challenges

Time of First Successful Submission: 2026-01-29 10:57:09

Challenge Programs

Time of First Successful Submission: 2026-01-29 10:59:50

The Flag File

Time of First Successful Submission: 2026-01-29 11:00:52

Using Privileged Mode

Time of First Successful Submission: 2026-01-29 11:02:45

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-29 11:03:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-29 11:04:12


Linux Luminarium

33 / 128 17675 / 32903


Intro to Commands

Time of First Successful Submission: 2026-01-29 11:07:09

Intro to Arguments

Time of First Successful Submission: 2026-01-29 11:07:49

Command History

Time of First Successful Submission: 2026-01-29 11:08:17

The Root

Time of First Successful Submission: 2026-01-29 11:09:10

Program and absolute paths

Time of First Successful Submission: 2026-01-29 11:09:28

Position thy self

Time of First Successful Submission: 2026-01-29 11:10:41

Position elsewhere

Time of First Successful Submission: 2026-01-29 11:11:33

implicit relative paths, from /

Time of First Successful Submission: 2026-01-29 11:13:02

explicit relative paths, from /

Time of First Successful Submission: 2026-01-29 11:13:47

implicit relative path

Time of First Successful Submission: 2026-01-29 11:14:06

home sweet home

Time of First Successful Submission: 2026-01-29 11:16:10

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-14 23:26:16

catting absolute paths

Time of First Successful Submission: 2026-03-14 23:26:35

more catting practice

Time of First Successful Submission: 2026-03-14 23:27:06

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-14 23:28:13

comparing files

Time of First Successful Submission: 2026-03-14 23:28:52

listing files

Time of First Successful Submission: 2026-03-14 23:29:18

touching files

Time of First Successful Submission: 2026-03-14 23:29:50

removing files

Time of First Successful Submission: 2026-03-14 23:30:16

moving files

Time of First Successful Submission: 2026-03-14 23:30:57

copying files

Time of First Successful Submission: 2026-03-14 23:31:33

hidden files

Time of First Successful Submission: 2026-03-14 23:32:07

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-14 23:35:52

making directories

Time of First Successful Submission: 2026-03-14 23:36:25

finding files

Time of First Successful Submission: 2026-03-14 23:41:16

linking files

Time of First Successful Submission: 2026-03-14 23:41:55

Learning From Documentation

Time of First Successful Submission: 2026-03-19 09:58:08

Learning Complex Usage

Time of First Successful Submission: 2026-03-19 09:58:38

Reading Manuals

Time of First Successful Submission: 2026-03-19 09:59:48

Searching Manuals

Time of First Successful Submission: 2026-03-19 10:05:30

Searching For Manuals

Time of First Successful Submission: 2026-03-19 10:09:14

Helpful Programs

Time of First Successful Submission: 2026-03-19 10:10:28

Help for Builtins

Time of First Successful Submission: 2026-03-19 10:11:18


GCA CTF

12 / 104 1268 / 44175


Using the Terminal

Time of First Successful Submission: 2026-01-29 10:42:06

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-29 10:43:58

Using the GUI Desktop

Time of First Successful Submission: 2026-01-29 10:45:22

Pasting into the Desktop

Time of First Successful Submission: 2026-01-29 10:46:18

Connecting over SSH

Time of First Successful Submission: 2026-01-29 10:54:17

Restarting Challenges

Time of First Successful Submission: 2026-01-29 10:57:09

Getting Help

Time of First Successful Submission: 2026-01-29 10:58:42

Challenge Programs

Time of First Successful Submission: 2026-01-29 10:59:50

The Flag File

Time of First Successful Submission: 2026-01-29 11:00:52

Using Privileged Mode

Time of First Successful Submission: 2026-01-29 11:02:45

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-29 11:03:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-29 11:04:12