level1

Time of First Successful Submission: 2025-01-03 18:16:24

level2

Time of First Successful Submission: 2024-12-31 11:19:01

level3

Time of First Successful Submission: 2025-01-03 18:22:34

level4

Time of First Successful Submission: 2025-01-03 18:24:05

level5

Time of First Successful Submission: 2025-01-03 18:26:00

level6

Time of First Successful Submission: 2025-01-03 18:27:23

level7

Time of First Successful Submission: 2025-01-03 18:32:21

level8

Time of First Successful Submission: 2025-01-03 18:34:06

HTTP (curl)

Time of First Successful Submission: 2024-10-23 17:13:52

HTTP (python)

Time of First Successful Submission: 2024-10-23 18:02:48

URL Encoding (curl)

Time of First Successful Submission: 2024-10-23 19:14:57

URL Encoding (python)

Time of First Successful Submission: 2024-10-23 19:17:34

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-10-23 19:26:12

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-10-23 19:29:47

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-10-23 19:36:51

Multiple Form Fields (python)

Time of First Successful Submission: 2024-10-24 20:00:07

HTTP JSON (curl)

Time of First Successful Submission: 2024-10-24 20:02:56

HTTP JSON (netcat)

Time of First Successful Submission: 2024-10-24 20:10:10

HTTP JSON (python)

Time of First Successful Submission: 2024-10-24 20:13:07

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-10-24 20:17:12

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-10-24 20:20:51

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-10-24 20:23:16

Server State (curl)

Time of First Successful Submission: 2024-10-24 20:42:45

Server State (netcat)

Time of First Successful Submission: 2024-10-24 20:47:33

Silenced Shellcode

Time of First Successful Submission: 2024-11-03 12:05:37

Shellcode Shuffle

Time of First Successful Submission: 2024-11-03 12:30:59

Shellcode Shuffle II

Time of First Successful Submission: 2024-11-03 12:32:08

Mmap Mirage (Easy)

Time of First Successful Submission: 2024-12-07 16:29:53

Mmap Mirage (Hard)

Time of First Successful Submission: 2024-12-07 17:06:31

Twisted Text (Easy)

Time of First Successful Submission: 2024-12-09 18:25:53

Twisted Text (Hard)

Time of First Successful Submission: 2024-12-09 18:30:33

Tidy Task (Easy)

Time of First Successful Submission: 2024-12-09 19:08:54

Tidy Task (Hard)

Time of First Successful Submission: 2024-12-09 19:16:49

Logical License (Easy)

Time of First Successful Submission: 2024-12-09 19:38:27

Logical License (Hard)

Time of First Successful Submission: 2024-12-09 20:37:05

Modest Mangler (Easy)

Time of First Successful Submission: 2024-12-10 20:20:55

Modest Mangler (Hard)

Time of First Successful Submission: 2024-12-10 21:04:29

This is Yancode (Easy)

Time of First Successful Submission: 2024-12-14 21:11:03

This is Yancode (Hard)

Time of First Successful Submission: 2024-12-14 21:36:11

Powered by Yancode (Easy)

Time of First Successful Submission: 2024-12-15 16:33:56

Powered by Yancode (Hard)

Time of First Successful Submission: 2024-12-15 16:59:05

Yancode Inside (Easy)

Time of First Successful Submission: 2024-12-15 20:58:49

Yancode Inside (Hard)

Time of First Successful Submission: 2024-12-16 18:14:03

Triple Dereference

Time of First Successful Submission: 2024-11-26 16:18:15

set-register

Time of First Successful Submission: 2024-11-23 14:25:22

set-multiple-registers

Time of First Successful Submission: 2024-11-23 14:59:31

add-to-register

Time of First Successful Submission: 2024-11-23 15:03:29

linear-equation-registers

Time of First Successful Submission: 2024-11-23 15:07:50

integer-division

Time of First Successful Submission: 2024-11-23 15:21:15

modulo-operation

Time of First Successful Submission: 2024-11-23 15:23:11

set-upper-byte

Time of First Successful Submission: 2024-11-23 15:32:01

efficient-modulo

Time of First Successful Submission: 2024-11-23 15:48:15

byte-extraction

Time of First Successful Submission: 2024-11-23 15:57:30

bitwise-and

Time of First Successful Submission: 2024-11-23 16:17:41

check-even

Time of First Successful Submission: 2024-11-23 16:52:04

memory-read

Time of First Successful Submission: 2024-11-23 17:00:48

memory-write

Time of First Successful Submission: 2024-11-23 17:16:38

memory-increment

Time of First Successful Submission: 2024-11-24 11:36:24

byte-access

Time of First Successful Submission: 2024-11-24 11:43:44

memory-size-access

Time of First Successful Submission: 2024-11-24 12:22:21

little-endian-write

Time of First Successful Submission: 2024-11-24 12:41:16

memory-sum

Time of First Successful Submission: 2024-11-24 12:53:04

stack-subtraction

Time of First Successful Submission: 2024-11-24 12:59:00

swap-stack-values

Time of First Successful Submission: 2024-11-24 13:05:04

average-stack-values

Time of First Successful Submission: 2024-11-24 13:17:32

absolute-jump

Time of First Successful Submission: 2024-11-24 13:21:18

relative-jump

Time of First Successful Submission: 2024-11-24 13:29:29

jump-trampoline

Time of First Successful Submission: 2024-11-24 13:57:12

conditional-jump

Time of First Successful Submission: 2024-11-24 14:55:45

indirect-jump

Time of First Successful Submission: 2024-11-24 15:10:11

average-loop

Time of First Successful Submission: 2024-11-24 16:28:53

count-non-zero

Time of First Successful Submission: 2024-11-24 16:55:14

string-lower

Time of First Successful Submission: 2024-11-24 18:29:48

most-common-byte

Time of First Successful Submission: 2024-11-25 19:11:59

Level1

Time of First Successful Submission: 2026-09-23 17:57:04

Level2

Time of First Successful Submission: 2026-09-23 17:58:45

Level3

Time of First Successful Submission: 2026-09-23 17:59:09

Level4

Time of First Successful Submission: 2026-09-23 17:59:32

Level5

Time of First Successful Submission: 2026-09-23 17:59:55

Level6

Time of First Successful Submission: 2026-09-23 18:00:43

Level7

Time of First Successful Submission: 2026-09-23 18:01:06

Level8

Time of First Successful Submission: 2026-09-23 18:01:27

Level9

Time of First Successful Submission: 2026-09-23 18:01:50

Level10

Time of First Successful Submission: 2026-09-23 18:02:13

Level11

Time of First Successful Submission: 2026-09-23 18:02:39

Level12

Time of First Successful Submission: 2026-09-23 18:03:36

Level13

Time of First Successful Submission: 2026-09-23 18:04:03

Level14

Time of First Successful Submission: 2026-09-23 18:04:34

Level15

Time of First Successful Submission: 2026-09-23 18:05:16

level-1-0

Time of First Successful Submission: 2026-09-23 18:30:39

level-1-1

Time of First Successful Submission: 2026-09-23 18:32:52

level-2-0

Time of First Successful Submission: 2026-09-23 18:39:49

level-2-1

Time of First Successful Submission: 2026-09-23 18:40:37

level-3-0

Time of First Successful Submission: 2026-09-23 18:42:24

level-3-1

Time of First Successful Submission: 2026-09-23 18:43:13

level-3-0-a

Time of First Successful Submission: 2026-09-23 19:17:16

level-3-1-a

Time of First Successful Submission: 2026-09-23 19:18:15

level-4-0

Time of First Successful Submission: 2026-09-23 19:20:50

level-4-1

Time of First Successful Submission: 2026-09-23 19:21:38

static-binary-rop

Time of First Successful Submission: 2026-09-23 19:33:07

level-4-1-gcc

Time of First Successful Submission: 2026-09-23 19:34:01

hard-level-3-1-a-gcc

Time of First Successful Submission: 2026-09-24 19:32:51

The Transient Path

Time of First Successful Submission: 2026-09-29 15:02:28

Ferocious Functionality

Time of First Successful Submission: 2026-09-29 15:03:28

The Surprising Swap

Time of First Successful Submission: 2026-09-29 15:04:36

Path of the Unquoted

Time of First Successful Submission: 2026-09-29 15:17:25

Globbing Harmony

Time of First Successful Submission: 2026-09-29 15:19:39

Zen of Expansion

Time of First Successful Submission: 2026-09-29 15:20:24

Way of the Wildcard

Time of First Successful Submission: 2026-09-29 15:21:05

Saga of the Sneaky Similarity

Time of First Successful Submission: 2026-09-29 15:22:17

Enigma of the Environment

Time of First Successful Submission: 2026-09-29 15:23:15

Voyage of the Variable

Time of First Successful Submission: 2026-09-29 15:24:14

Dance of the Delimiters

Time of First Successful Submission: 2026-09-29 15:26:47

Symphony of Separation

Time of First Successful Submission: 2026-09-29 15:28:18

Saga of Sanitization

Time of First Successful Submission: 2026-09-29 15:29:28

Tale of the Test

Time of First Successful Submission: 2026-09-29 15:30:41

Your Shattered Sanity

Time of First Successful Submission: 2026-09-29 16:07:49

Untrustworthy Utterances

Time of First Successful Submission: 2026-09-29 15:41:12

Echoes in Silence

Time of First Successful Submission: 2026-09-29 15:44:48

Masquerade of the Self

Time of First Successful Submission: 2026-09-29 15:52:00

Journey of the PATH

Time of First Successful Submission: 2026-09-29 15:53:32

Secrets of the Shell

Time of First Successful Submission: 2026-09-29 15:57:44

The Swap, Scheming

Time of First Successful Submission: 2026-09-29 16:00:07

Shell Sorcery

Time of First Successful Submission: 2026-09-29 16:01:01

The Commanded Condition

Time of First Successful Submission: 2026-09-29 16:01:44

The Dreadful Discovery

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

Index of Insanity

Time of First Successful Submission: 2026-09-29 16:05:19

Rhythm of Restriction

Time of First Successful Submission: 2026-09-29 20:07:17

Odyssey of the Octal

Time of First Successful Submission: 2026-09-29 20:09:24

Riddle of the Radix

Time of First Successful Submission: 2026-09-29 20:10:21

Whisper of the Withheld

Time of First Successful Submission: 2026-09-29 20:11:12

Path of the Unseen

Time of First Successful Submission: 2026-09-29 20:24:18

Dance of the Disallowed

Time of First Successful Submission: 2026-09-29 20:29:19

Veil of the Forbidden

Time of First Successful Submission: 2026-09-29 20:39:08

Your Misplaced Memories

Time of First Successful Submission: 2026-09-29 20:42:04

Exclamations of Execution

Time of First Successful Submission: 2026-09-29 20:43:31

Sensing of Secrets

Time of First Successful Submission: 2026-09-30 14:12:01

A String of Secrecy

Time of First Successful Submission: 2026-09-30 14:12:53

The Secret, Commanded

Time of First Successful Submission: 2026-09-30 14:13:40

The Stumble From Safety

Time of First Successful Submission: 2026-09-30 14:14:34

Precision of Parameters

Time of First Successful Submission: 2026-09-30 14:15:24

Brevity's Enigma

Time of First Successful Submission: 2026-09-30 14:16:28

Essense of Economy

Time of First Successful Submission: 2026-09-30 14:25:50

Mirage of Minimalism

Time of First Successful Submission: 2026-09-30 14:26:49

Level1

Time of First Successful Submission: 2026-09-23 17:57:04

Level2

Time of First Successful Submission: 2026-09-23 17:58:45

Level3

Time of First Successful Submission: 2026-09-23 17:59:09

Level4

Time of First Successful Submission: 2026-09-23 17:59:32

Level5

Time of First Successful Submission: 2026-09-23 17:59:55

Level6

Time of First Successful Submission: 2026-09-23 18:00:43

Level7

Time of First Successful Submission: 2026-09-23 18:01:06

Level8

Time of First Successful Submission: 2026-09-23 18:01:27

Level9

Time of First Successful Submission: 2026-09-23 18:01:50

Level10

Time of First Successful Submission: 2026-09-23 18:02:13

Level11

Time of First Successful Submission: 2026-09-23 18:02:39

Level12

Time of First Successful Submission: 2026-09-23 18:03:36

Level13

Time of First Successful Submission: 2026-09-23 18:04:03

Level14

Time of First Successful Submission: 2026-09-23 18:04:34

Level15

Time of First Successful Submission: 2026-09-23 18:05:16

level-1-0

Time of First Successful Submission: 2026-09-23 18:30:39

level-1-1

Time of First Successful Submission: 2026-09-23 18:32:52

level-2-0

Time of First Successful Submission: 2026-09-23 18:39:49

level-2-1

Time of First Successful Submission: 2026-09-23 18:40:37

level-3-0

Time of First Successful Submission: 2026-09-23 18:42:24

level-3-1

Time of First Successful Submission: 2026-09-23 18:43:13

level-3-0-a

Time of First Successful Submission: 2026-09-23 19:17:16

level-3-1-a

Time of First Successful Submission: 2026-09-23 19:18:15

level-4-0

Time of First Successful Submission: 2026-09-23 19:20:50

level-4-1

Time of First Successful Submission: 2026-09-23 19:21:38

static-binary-rop

Time of First Successful Submission: 2026-09-23 19:33:07

level-4-1-gcc

Time of First Successful Submission: 2026-09-23 19:34:01

hard-level-3-1-a-gcc

Time of First Successful Submission: 2026-09-24 19:32:51

Path Traversal 1

Time of First Successful Submission: 2024-10-25 19:48:05

Path Traversal 2

Time of First Successful Submission: 2024-10-25 20:39:47

CMDi 1

Time of First Successful Submission: 2024-10-25 20:50:54

CMDi 2

Time of First Successful Submission: 2024-10-25 20:59:31

CMDi 3

Time of First Successful Submission: 2024-10-25 21:12:57

CMDi 4

Time of First Successful Submission: 2024-10-25 21:15:48

CMDi 5

Time of First Successful Submission: 2024-10-25 21:21:46

CMDi 6

Time of First Successful Submission: 2024-10-25 21:25:27

Authentication Bypass 1

Time of First Successful Submission: 2024-10-26 14:41:08

Authentication Bypass 2

Time of First Successful Submission: 2024-10-26 14:50:31

SQLi 1

Time of First Successful Submission: 2024-10-26 15:18:36

SQLi 2

Time of First Successful Submission: 2024-10-26 15:43:52

SQLi 3

Time of First Successful Submission: 2024-10-26 15:56:00

SQLi 4

Time of First Successful Submission: 2024-10-26 16:08:00

SQLi 5

Time of First Successful Submission: 2024-10-26 16:31:26

XSS 1

Time of First Successful Submission: 2024-10-26 16:39:51

XSS 2

Time of First Successful Submission: 2024-10-26 16:49:07

XSS 3

Time of First Successful Submission: 2024-10-26 16:56:02

XSS 4

Time of First Successful Submission: 2024-10-27 09:36:29

XSS 5

Time of First Successful Submission: 2024-10-27 09:53:13

XSS 6

Time of First Successful Submission: 2024-10-27 09:56:43

XSS 7

Time of First Successful Submission: 2024-10-27 10:03:41

CSRF 1

Time of First Successful Submission: 2024-10-27 12:11:59

CSRF 2

Time of First Successful Submission: 2024-10-27 12:24:02

CSRF 3

Time of First Successful Submission: 2024-10-27 12:49:36

CSRF 4

Time of First Successful Submission: 2024-10-27 13:14:19

CSRF 5

Time of First Successful Submission: 2024-10-27 14:09:20

Connect

Time of First Successful Submission: 2024-10-27 18:20:24

Send

Time of First Successful Submission: 2025-11-06 21:32:17

Shutdown

Time of First Successful Submission: 2026-08-31 18:21:22

Listen

Time of First Successful Submission: 2024-10-27 18:22:22

Scan 1

Time of First Successful Submission: 2024-10-27 18:26:12

Scan 2

Time of First Successful Submission: 2024-10-27 18:30:58

Monitor 1

Time of First Successful Submission: 2024-10-27 18:32:48

Monitor 2

Time of First Successful Submission: 2024-11-03 18:37:54

Sniffing Cookies

Time of First Successful Submission: 2026-08-31 17:27:27

Network Configuration

Time of First Successful Submission: 2024-11-12 18:21:26

Firewall 1

Time of First Successful Submission: 2026-08-31 18:38:22

Firewall 2

Time of First Successful Submission: 2026-08-31 18:37:26

Firewall 3

Time of First Successful Submission: 2026-08-31 18:49:29

Denial of Service 1

Time of First Successful Submission: 2026-08-31 18:54:20

Denial of Service 2

Time of First Successful Submission: 2026-08-31 18:57:25

Denial of Service 3

Time of First Successful Submission: 2026-08-31 19:02:05

Ethernet

Time of First Successful Submission: 2024-11-12 18:29:16

IP

Time of First Successful Submission: 2024-11-12 19:00:38

TCP

Time of First Successful Submission: 2024-11-12 19:02:56

TCP Handshake

Time of First Successful Submission: 2024-11-12 19:04:34

UDP

Time of First Successful Submission: 2026-08-31 19:04:05

UDP 2

Time of First Successful Submission: 2026-08-31 18:06:27

UDP Spoofing 1

Time of First Successful Submission: 2026-08-31 18:08:47

UDP Spoofing 2

Time of First Successful Submission: 2026-08-31 18:11:45

UDP Spoofing 3

Time of First Successful Submission: 2026-08-31 18:13:43

UDP Spoofing 4

Time of First Successful Submission: 2026-08-31 18:15:54

ARP

Time of First Successful Submission: 2024-11-12 19:06:04

Intercept

Time of First Successful Submission: 2024-11-12 19:10:33

Man-in-the-Middle

Time of First Successful Submission: 2024-11-12 19:13:09

XOR

Time of First Successful Submission: 2024-11-11 19:17:18

XORing Hex

Time of First Successful Submission: 2024-11-11 19:34:54

XORing ASCII

Time of First Successful Submission: 2024-11-11 19:50:18

XORing ASCII Strings

Time of First Successful Submission: 2024-11-11 20:07:08

One-time Pad

Time of First Successful Submission: 2024-11-11 20:34:51

One-time Pad Tampering

Time of First Successful Submission: 2026-08-30 19:46:41

Many-time Pad

Time of First Successful Submission: 2024-11-13 19:38:11

AES

Time of First Successful Submission: 2024-11-13 19:50:23

AES-ECB-CPA

Time of First Successful Submission: 2025-01-05 21:50:32

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-08-30 19:51:20

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-01-06 17:45:15

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-01-07 20:53:09

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-01-09 21:47:50

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-01-09 22:10:39

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-01-10 14:06:37

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-08-30 20:03:06

AES-CBC

Time of First Successful Submission: 2026-08-30 20:04:43

AES-CBC Tampering

Time of First Successful Submission: 2026-08-30 20:06:16

AES-CBC Resizing

Time of First Successful Submission: 2026-08-30 20:07:35

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-08-30 20:19:34

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-08-30 20:21:06

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-08-30 20:22:54

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-08-30 20:25:55

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-08-30 20:28:39

DHKE

Time of First Successful Submission: 2026-08-30 20:30:43

DHKE-to-AES

Time of First Successful Submission: 2026-08-30 20:32:06

RSA 1

Time of First Successful Submission: 2026-08-30 20:33:20

RSA 2

Time of First Successful Submission: 2026-08-30 20:34:49

RSA 3

Time of First Successful Submission: 2026-08-30 20:41:37

RSA 4

Time of First Successful Submission: 2026-08-30 20:49:00

RSA Signatures

Time of First Successful Submission: 2026-08-30 20:50:57

SHA 1

Time of First Successful Submission: 2026-08-30 21:11:26

SHA 2

Time of First Successful Submission: 2026-08-30 21:15:09

TLS 1

Time of First Successful Submission: 2026-08-30 21:18:33

TLS 2

Time of First Successful Submission: 2026-08-30 21:22:37

level1

Time of First Successful Submission: 2024-11-04 15:35:52

level2

Time of First Successful Submission: 2024-11-04 16:58:35

level3

Time of First Successful Submission: 2024-11-04 16:59:37

level4

Time of First Successful Submission: 2024-11-04 17:02:10

level5

Time of First Successful Submission: 2024-11-04 17:16:03

level6

Time of First Successful Submission: 2024-11-04 17:20:02

level7

Time of First Successful Submission: 2024-11-04 17:21:13

level8

Time of First Successful Submission: 2024-11-04 17:22:07

level9

Time of First Successful Submission: 2024-11-04 17:22:52

level10

Time of First Successful Submission: 2024-11-04 17:24:46

level11

Time of First Successful Submission: 2024-11-04 17:29:20

level12

Time of First Successful Submission: 2024-11-04 17:43:16

level13

Time of First Successful Submission: 2024-11-04 19:53:32

level14

Time of First Successful Submission: 2024-11-04 19:57:56

level15

Time of First Successful Submission: 2024-11-04 20:31:37

level16

Time of First Successful Submission: 2024-11-05 20:09:38

level17

Time of First Successful Submission: 2024-11-06 21:01:22

level18

Time of First Successful Submission: 2024-11-06 21:02:02

level19

Time of First Successful Submission: 2024-11-06 21:05:21

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-08-30 13:07:11

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-08-30 13:18:40

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2024-11-07 16:46:06

Reading Endianness (Python)

Time of First Successful Submission: 2026-08-30 13:20:50

Reading Endianness (C)

Time of First Successful Submission: 2026-08-30 13:23:37

Reading Endianness (x86)

Time of First Successful Submission: 2024-11-07 17:34:44

Version Information (Python)

Time of First Successful Submission: 2026-08-30 13:26:38

Version Information (C)

Time of First Successful Submission: 2026-08-30 13:28:51

Version Information (x86)

Time of First Successful Submission: 2024-11-07 17:37:52

Metadata and Data (Python)

Time of First Successful Submission: 2026-08-30 19:32:59

Metadata and Data (C)

Time of First Successful Submission: 2026-08-30 19:34:29

Metadata and Data (x86)

Time of First Successful Submission: 2024-11-07 17:56:51

Input Restrictions (Python)

Time of First Successful Submission: 2026-08-30 19:35:51

Input Restrictions (C)

Time of First Successful Submission: 2026-08-30 19:37:33

Input Restrictions (x86)

Time of First Successful Submission: 2024-11-07 18:11:32

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-08-30 19:38:36

Behold the cIMG! (C)

Time of First Successful Submission: 2026-08-30 19:40:12

Behold the cIMG! (x86)

Time of First Successful Submission: 2024-11-07 18:39:42

A Basic cIMG (Python)

Time of First Successful Submission: 2026-08-30 19:41:21

A Basic cIMG (C)

Time of First Successful Submission: 2026-08-30 19:42:39

A Basic cIMG (x86)

Time of First Successful Submission: 2024-11-07 20:08:08

Internal State Mini (C)

Time of First Successful Submission: 2026-08-30 16:20:11

Internal State Mini (x86)

Time of First Successful Submission: 2026-08-30 16:23:39

Internal State (C)

Time of First Successful Submission: 2026-08-30 16:34:22

Internal State (x86)

Time of First Successful Submission: 2026-08-30 16:41:32

File Formats: Directives (C)

Time of First Successful Submission: 2026-08-30 16:53:26

File Formats: Directives (x86)

Time of First Successful Submission: 2026-08-30 16:55:38

The Patch Directive

Time of First Successful Submission: 2026-08-30 17:00:26

Optimizing for Space

Time of First Successful Submission: 2026-08-30 17:16:25

Tweaking Images

Time of First Successful Submission: 2026-08-30 17:27:50

Storage and Retrieval

Time of First Successful Submission: 2026-08-30 17:35:14

Extracting Knowledge

Time of First Successful Submission: 2026-08-30 17:38:25

Advanced Sprites

Time of First Successful Submission: 2026-08-30 17:44:58

Accessing Resources

Time of First Successful Submission: 2026-08-30 17:49:30

Unsafe Animations

Time of First Successful Submission: 2026-08-30 17:52:30

Animations

Time of First Successful Submission: 2026-08-30 17:57:27

Interoperability: Patching Data

Time of First Successful Submission: 2026-08-30 18:30:20

Patching Code

Time of First Successful Submission: 2026-08-30 19:03:19

Patching Control Flow

Time of First Successful Submission: 2026-08-30 19:27:37

Your First Overflow (easy)

Time of First Successful Submission: 2024-11-03 14:28:09

Your First Overflow (hard)

Time of First Successful Submission: 2024-12-01 21:10:03

Precision (easy)

Time of First Successful Submission: 2025-01-02 19:42:43

Precision (hard)

Time of First Successful Submission: 2025-01-02 19:48:20

Variable Control (easy)

Time of First Successful Submission: 2024-12-03 16:57:13

Variable Control (hard)

Time of First Successful Submission: 2024-12-03 18:31:04

Control Hijack (easy)

Time of First Successful Submission: 2024-12-03 21:58:58

Control Hijack (hard)

Time of First Successful Submission: 2024-12-04 20:36:53

Tricky Control Hijack (easy)

Time of First Successful Submission: 2024-12-05 22:44:48

Tricky Control Hijack (hard)

Time of First Successful Submission: 2024-12-05 22:49:40

PIEs (easy)

Time of First Successful Submission: 2024-12-06 17:22:56

PIEs (hard)

Time of First Successful Submission: 2024-12-06 17:57:36

String Lengths (easy)

Time of First Successful Submission: 2024-12-06 20:48:42

String Lengths (hard)

Time of First Successful Submission: 2024-12-06 21:27:30

Basic Shellcode

Time of First Successful Submission: 2024-11-02 17:19:34

NOP Sleds

Time of First Successful Submission: 2024-11-02 21:01:23

NULL-Free Shellcode

Time of First Successful Submission: 2024-11-02 21:00:16

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2024-12-27 20:53:36

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2024-12-28 12:28:06

Hijack to Shellcode (easy)

Time of First Successful Submission: 2024-12-28 13:28:18

Hijack to Shellcode (hard)

Time of First Successful Submission: 2024-12-28 13:46:41

ECB-to-Win (easy)

Time of First Successful Submission: 2026-08-30 21:39:51

ECB-to-Win (hard)

Time of First Successful Submission: 2026-08-30 21:44:23

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-08-30 21:58:03

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-08-30 22:07:59

CIMG Screenshots

Time of First Successful Submission: 2026-08-31 10:32:13

CIMG Screenshots 2

Time of First Successful Submission: 2026-08-31 10:46:03

Wily Webserver

Time of First Successful Submission: 2026-08-31 10:59:54

The Watering Hole

Time of First Successful Submission: 2026-08-31 11:08:20

Secure Chat 1

Time of First Successful Submission: 2026-08-31 11:57:40

Secure Chat 2

Time of First Successful Submission: 2026-08-31 12:02:08

Secure Chat 3

Time of First Successful Submission: 2026-08-31 17:16:08

Secure Chat 4

Time of First Successful Submission: 2026-08-31 16:53:20

Secure Chat 5

Time of First Successful Submission: 2026-08-31 17:11:32

ello ackers!

Time of First Successful Submission: 2024-11-03 09:05:33

Syscall Smuggler

Time of First Successful Submission: 2024-11-03 11:14:32

Syscall Shenanigans

Time of First Successful Submission: 2024-11-03 11:48:51

Byte Budget

Time of First Successful Submission: 2024-11-03 12:17:46

ClobberCode

Time of First Successful Submission: 2024-11-03 12:25:03

Diverse Delivery

Time of First Successful Submission: 2024-11-03 12:35:30

Pocket Payload

Time of First Successful Submission: 2024-11-03 12:38:59

Micro Menace

Time of First Successful Submission: 2024-11-03 12:40:41

Login Leakage (Easy)

Time of First Successful Submission: 2026-08-31 19:37:54

Login Leakage (Hard)

Time of First Successful Submission: 2026-08-31 19:49:29

Bounds Breaker (Easy)

Time of First Successful Submission: 2024-12-04 21:09:10

Bounds Breaker (Hard)

Time of First Successful Submission: 2024-12-05 20:32:53

Casting Catastrophe (Easy)

Time of First Successful Submission: 2024-12-05 21:22:01

Casting Catastrophe (Hard)

Time of First Successful Submission: 2024-12-05 21:42:41

Pointer Problems (Easy)

Time of First Successful Submission: 2026-08-31 19:55:47

Pointer Problems (Hard)

Time of First Successful Submission: 2026-08-31 20:00:34

Anomalous Array (Easy)

Time of First Successful Submission: 2026-08-31 20:04:41

Anomalous Array (Hard)

Time of First Successful Submission: 2026-08-31 20:08:51

Now you got it (Easy)

Time of First Successful Submission: 2026-08-31 20:13:50

Now you got it (Hard)

Time of First Successful Submission: 2026-08-31 20:21:26

Loop Lunacy (Easy)

Time of First Successful Submission: 2024-12-07 11:24:33

Loop Lunacy (Hard)

Time of First Successful Submission: 2024-12-07 13:33:20

Nosy Neighbor (Easy)

Time of First Successful Submission: 2024-12-07 14:56:49

Nosy Neighbor (Hard)

Time of First Successful Submission: 2024-12-07 16:22:51

Recursive Ruin (Easy)

Time of First Successful Submission: 2024-12-07 17:23:49

Recursive Ruin (Hard)

Time of First Successful Submission: 2024-12-07 17:34:08

Lingering Leftover (Easy)

Time of First Successful Submission: 2024-12-07 18:04:51

Lingering Leftover (Hard)

Time of First Successful Submission: 2024-12-07 18:56:34

Latent Leak (Easy)

Time of First Successful Submission: 2024-12-07 22:17:13

Latent Leak (Hard)

Time of First Successful Submission: 2024-12-08 15:01:58

Fork Foolery (Easy)

Time of First Successful Submission: 2024-12-08 19:53:28

Fork Foolery (Hard)

Time of First Successful Submission: 2024-12-08 19:59:45

Canary Conundrum (Easy)

Time of First Successful Submission: 2024-12-28 19:46:39

Canary Conundrum (Hard)

Time of First Successful Submission: 2024-12-29 13:09:20

A Crafty Clobber (Easy)

Time of First Successful Submission: 2024-12-29 13:57:32

A Crafty Clobber (Hard)

Time of First Successful Submission: 2024-12-29 14:12:27

Can It Fizz?

Time of First Successful Submission: 2026-08-31 20:48:32

Does It Buzz?

Time of First Successful Submission: 2026-08-31 20:54:38

Make It FizzBuzz

Time of First Successful Submission: 2026-08-31 21:10:40

Terrible Token (Easy)

Time of First Successful Submission: 2024-10-14 16:39:17

Terrible Token (Hard)

Time of First Successful Submission: 2024-10-14 17:13:15

Tangled Ticket (Easy)

Time of First Successful Submission: 2024-10-14 17:40:17

Tangled Ticket (Hard)

Time of First Successful Submission: 2024-12-09 17:59:30

Bit Bender

Time of First Successful Submission: 2026-09-01 18:46:25

Substitution Sorcery

Time of First Successful Submission: 2026-09-01 18:52:07

Meager Mangler (Easy)

Time of First Successful Submission: 2024-12-09 21:37:49

Meager Mangler (Hard)

Time of First Successful Submission: 2024-12-10 19:43:26

Monstrous Mangler (Easy)

Time of First Successful Submission: 2024-12-11 22:26:01

Monstrous Mangler (Hard)

Time of First Successful Submission: 2024-12-13 09:02:16

Patched Up (Easy)

Time of First Successful Submission: 2024-12-13 21:32:43

Patched Up (Hard)

Time of First Successful Submission: 2024-12-14 12:23:12

Puzzle Patch (Easy)

Time of First Successful Submission: 2024-12-14 13:35:44

Puzzle Patch (Hard)

Time of First Successful Submission: 2024-12-14 14:10:39

Patch Perfect (Easy)

Time of First Successful Submission: 2024-12-14 14:36:58

Patch Perfect (Hard)

Time of First Successful Submission: 2024-12-14 15:37:31

Trust the Yancode (Easy)

Time of First Successful Submission: 2024-12-17 19:57:29

Trust the Yancode (Hard)

Time of First Successful Submission: 2024-12-17 21:00:48

Know the Yancode (Easy)

Time of First Successful Submission: 2024-12-18 15:42:17

Know the Yancode (Hard)

Time of First Successful Submission: 2024-12-18 16:20:20

Master the Yancode (Easy)

Time of First Successful Submission: 2024-12-18 19:37:05

Master the Yancode (Hard)

Time of First Successful Submission: 2024-12-18 20:07:27

Transcend the Yancode (Easy)

Time of First Successful Submission: 2024-12-19 17:05:26

Transcend the Yancode (Hard)

Time of First Successful Submission: 2024-12-19 17:34:21

The Yanalyzer (Easy)

Time of First Successful Submission: 2024-12-22 15:30:20

The Yanalyzer (Hard)

Time of First Successful Submission: 2024-12-23 17:13:17

The Yangler (Easy)

Time of First Successful Submission: 2024-12-23 20:49:49

The Yangler (Hard)

Time of First Successful Submission: 2024-12-24 16:19:34

Yancraft (Easy)

Time of First Successful Submission: 2024-12-24 20:39:30

Yancraft (Hard)

Time of First Successful Submission: 2024-12-25 12:07:58

Yansanity (Easy)

Time of First Successful Submission: 2024-12-25 19:55:56

Yansanity (Hard)

Time of First Successful Submission: 2024-12-26 17:56:11

When the Cow Says Moo

Time of First Successful Submission: 2026-09-01 20:26:54

Predictable Migration

Time of First Successful Submission: 2026-09-01 20:32:07

Hashing Heifers

Time of First Successful Submission: 2026-09-01 20:37:20

Salty Stampede

Time of First Successful Submission: 2026-09-01 20:56:38

Loose Link (Easy)

Time of First Successful Submission: 2024-10-14 20:33:38

Loose Link (Hard)

Time of First Successful Submission: 2024-12-04 19:26:21

Call Chain (Easy)

Time of First Successful Submission: 2026-09-01 21:17:28

Call Chain (Hard)

Time of First Successful Submission: 2026-09-01 21:21:00

Chain of Command (Easy)

Time of First Successful Submission: 2026-09-01 21:27:15

Chain of Command (Hard)

Time of First Successful Submission: 2026-09-01 21:34:32

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-09-01 21:45:38

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-09-01 21:47:38

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-09-01 21:51:24

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-09-01 21:58:17

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-09-02 16:25:14

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-09-02 16:36:37

Leaky Libc (Easy)

Time of First Successful Submission: 2026-09-02 16:47:35

Leaky Libc (Hard)

Time of First Successful Submission: 2026-09-02 17:04:46

Putsception (Easy)

Time of First Successful Submission: 2026-09-02 17:22:40

Putsception (Hard)

Time of First Successful Submission: 2026-09-02 17:26:46

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-09-02 17:45:07

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-09-02 17:56:24

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-09-02 18:04:57

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-09-02 18:14:09

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-09-02 18:19:45

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-09-02 18:22:22

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-09-02 18:26:25

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-09-02 19:04:13

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-09-02 20:26:53

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-09-02 20:33:32

ROP Roulette (Easy)

Time of First Successful Submission: 2026-09-02 20:54:57

ROP Roulette (Hard)

Time of First Successful Submission: 2026-09-02 21:05:15

Libc Lottery (Easy)

Time of First Successful Submission: 2026-09-02 21:09:34

Libc Lottery (Hard)

Time of First Successful Submission: 2026-09-02 22:25:34

Freebie (Easy)

Time of First Successful Submission: 2026-09-03 17:08:22

Freebie (Hard)

Time of First Successful Submission: 2026-09-03 17:22:22

Freebin Feint (Easy)

Time of First Successful Submission: 2026-09-03 17:28:51

Freebin Feint (Hard)

Time of First Successful Submission: 2026-09-03 17:40:39

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-09-03 17:52:39

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-09-03 17:58:00

Fickle Free (Easy)

Time of First Successful Submission: 2026-09-03 18:36:47

Fickle Free (Hard)

Time of First Successful Submission: 2026-09-03 18:45:07

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-09-03 18:56:07

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-09-03 19:05:05

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-09-03 19:17:51

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-09-03 19:25:13

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-09-03 19:32:45

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-09-03 19:37:32

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-09-03 19:46:57

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-09-03 19:54:14

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-09-03 20:01:17

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-09-03 20:05:36

Sus Sequence (Easy)

Time of First Successful Submission: 2026-09-03 20:19:58

Sus Sequence (Hard)

Time of First Successful Submission: 2026-09-03 20:24:46

Echo Emanations (Easy)

Time of First Successful Submission: 2026-09-03 20:32:53

Echo Emanations (Hard)

Time of First Successful Submission: 2026-09-03 20:38:08

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-09-03 20:46:32

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-09-03 20:51:35

Stack Summoning (Easy)

Time of First Successful Submission: 2026-09-03 20:59:51

Stack Summoning (Hard)

Time of First Successful Submission: 2026-09-03 21:07:46

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-09-03 21:22:12

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-09-03 21:46:09

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-09-03 21:53:20

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-09-03 22:01:47

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-09-03 22:14:18

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-09-03 22:22:34

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-09-04 21:19:38

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-09-04 21:38:43

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-09-04 21:44:58

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-09-04 21:52:05

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-09-04 22:00:13

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-09-04 22:08:20

Tcache Terror (Easy)

Time of First Successful Submission: 2026-09-04 22:36:07

Tcache Terror (Hard)

Time of First Successful Submission: 2026-09-04 22:53:19

Containment Composition (Easy)

Time of First Successful Submission: 2024-12-29 17:55:16

Containment Composition (Hard)

Time of First Successful Submission: 2024-12-29 19:59:04

Constant Corruption (Easy)

Time of First Successful Submission: 2024-12-30 15:19:47

Constant Corruption (Hard)

Time of First Successful Submission: 2024-12-30 15:51:40

Return to YanLand (Easy)

Time of First Successful Submission: 2024-12-30 20:05:25

Return to YanLand (Hard)

Time of First Successful Submission: 2024-12-30 22:16:44

Escape from YanLand (Easy)

Time of First Successful Submission: 2024-12-31 13:06:00

Escape from YanLand (Hard)

Time of First Successful Submission: 2024-12-31 13:24:14

The YanFilter (Easy)

Time of First Successful Submission: 2024-12-31 19:53:09

The YanFilter (Hard)

Time of First Successful Submission: 2024-12-31 20:17:56

The Great YanFilter (Easy)

Time of First Successful Submission: 2024-12-31 20:35:44

The Great YanFilter (Hard)

Time of First Successful Submission: 2024-12-31 21:18:59

Yan85 Reborn (Easy)

Time of First Successful Submission: 2025-01-02 12:46:56

Yan85 Reborn (Hard)

Time of First Successful Submission: 2025-01-02 13:18:22

chroot-escape-basic

Time of First Successful Submission: 2026-09-04 23:05:40

chroot-shellcode

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

chroot-proper

Time of First Successful Submission: 2026-09-04 23:17:14

seccomp-basic

Time of First Successful Submission: 2026-09-04 23:24:47

seccomp-linkat

Time of First Successful Submission: 2026-09-05 11:45:53

seccomp-fchdir

Time of First Successful Submission: 2026-09-05 11:49:46

seccomp-rechroot

Time of First Successful Submission: 2026-09-05 11:56:17

seccomp-only

Time of First Successful Submission: 2026-09-05 12:01:35

seccomp-arch32

Time of First Successful Submission: 2026-09-05 12:53:33

seccomp-minimal

Time of First Successful Submission: 2026-09-05 13:00:03

seccomp-timebased

Time of First Successful Submission: 2026-09-05 13:49:36

seccomp-readonly

Time of First Successful Submission: 2026-09-05 14:10:15

process-isolation

Time of First Successful Submission: 2026-09-05 14:12:08

mount-namespace

Time of First Successful Submission: 2026-09-05 14:12:45

mount-cleanup

Time of First Successful Submission: 2026-09-05 14:13:39

mount-readonly

Time of First Successful Submission: 2026-09-05 14:14:25

mount-shellcode

Time of First Successful Submission: 2026-09-05 14:15:29

mount-bindmount

Time of First Successful Submission: 2026-09-05 14:16:57

level1.0

Time of First Successful Submission: 2026-09-05 14:31:13

level1.1

Time of First Successful Submission: 2026-09-05 14:33:17

level2.0

Time of First Successful Submission: 2026-09-05 14:33:58

level2.1

Time of First Successful Submission: 2026-09-05 14:34:39

level3.0

Time of First Successful Submission: 2026-09-05 14:35:50

level3.1

Time of First Successful Submission: 2026-09-05 14:36:38

level4.0

Time of First Successful Submission: 2026-09-05 14:37:45

level4.1

Time of First Successful Submission: 2026-09-05 14:38:29

level5.0

Time of First Successful Submission: 2026-09-05 14:39:54

level5.1

Time of First Successful Submission: 2026-09-05 14:40:27

level6.0

Time of First Successful Submission: 2026-09-05 14:42:17

level6.1

Time of First Successful Submission: 2026-09-05 14:42:47

level7.0

Time of First Successful Submission: 2026-09-05 14:44:31

level7.1

Time of First Successful Submission: 2026-09-05 14:46:00

level8.0

Time of First Successful Submission: 2026-09-05 14:47:36

level8.1

Time of First Successful Submission: 2026-09-05 14:47:58

level9.0

Time of First Successful Submission: 2026-09-05 14:52:07

level9.1

Time of First Successful Submission: 2026-09-05 14:54:14

level10.0

Time of First Successful Submission: 2026-09-05 14:55:01

level10.1

Time of First Successful Submission: 2026-09-05 14:55:25

level11.0

Time of First Successful Submission: 2026-09-05 14:57:14

level11.1

Time of First Successful Submission: 2026-09-05 15:37:36

level1.0

Time of First Successful Submission: 2026-09-05 15:57:52

level1.1

Time of First Successful Submission: 2026-09-05 15:59:56

level2.0

Time of First Successful Submission: 2026-09-05 16:00:55

level2.1

Time of First Successful Submission: 2026-09-05 16:01:44

level3.0

Time of First Successful Submission: 2026-09-05 16:02:57

level3.1

Time of First Successful Submission: 2026-09-05 16:03:40

level4.0

Time of First Successful Submission: 2026-09-05 16:05:00

level4.1

Time of First Successful Submission: 2026-09-05 16:05:59

level5.0

Time of First Successful Submission: 2026-09-05 16:10:42

level5.1

Time of First Successful Submission: 2026-09-05 16:11:52

level6.0

Time of First Successful Submission: 2026-09-05 16:13:45

level6.1

Time of First Successful Submission: 2026-09-05 16:14:47

level7.0

Time of First Successful Submission: 2026-09-05 16:17:53

level7.1

Time of First Successful Submission: 2026-09-05 16:18:54

level8.0

Time of First Successful Submission: 2026-09-05 16:21:47

level8.1

Time of First Successful Submission: 2026-09-05 16:22:36

level9.0

Time of First Successful Submission: 2026-09-05 16:44:41

level9.1

Time of First Successful Submission: 2026-09-05 16:45:35

level10.0

Time of First Successful Submission: 2026-09-05 16:50:59

level10.1

Time of First Successful Submission: 2026-09-05 16:51:52

level11.0

Time of First Successful Submission: 2026-09-05 17:02:26

level11.1

Time of First Successful Submission: 2026-09-05 17:03:19

level12.0

Time of First Successful Submission: 2026-09-05 17:06:07

level12.1

Time of First Successful Submission: 2026-09-05 17:06:52

Baby Spectre 1

Time of First Successful Submission: 2026-09-05 17:33:28

Baby Spectre 2

Time of First Successful Submission: 2026-09-05 17:35:39

Baby Spectre 3

Time of First Successful Submission: 2026-09-05 17:39:23

Baby Spectre 4

Time of First Successful Submission: 2026-09-05 17:41:23

Baby Spectre 5

Time of First Successful Submission: 2026-09-05 17:52:25

Prefetch Peek

Time of First Successful Submission: 2026-09-05 18:04:47

Spooky Spectre 1

Time of First Successful Submission: 2026-09-05 18:26:35

Spooky Spectre 2

Time of First Successful Submission: 2026-09-05 18:33:37

Yan85 Reloaded

Time of First Successful Submission: 2026-09-05 18:41:44

Ghost in the YPU 1

Time of First Successful Submission: 2026-09-05 19:19:57

Ghost in the YPU 2

Time of First Successful Submission: 2026-09-05 20:30:48

Molten Access

Time of First Successful Submission: 2026-09-05 20:40:14

Molten Walk

Time of First Successful Submission: 2026-09-05 21:02:10

level1.0

Time of First Successful Submission: 2026-09-07 13:03:52

level1.1

Time of First Successful Submission: 2026-09-05 21:31:11

level2.0

Time of First Successful Submission: 2026-09-05 21:54:26

level2.1

Time of First Successful Submission: 2026-09-05 21:56:37

level3.0

Time of First Successful Submission: 2026-09-05 22:02:29

level3.1

Time of First Successful Submission: 2026-09-05 22:12:03

level4.0

Time of First Successful Submission: 2026-09-05 22:17:08

level4.1

Time of First Successful Submission: 2026-09-05 22:19:03

level5.0

Time of First Successful Submission: 2026-09-05 23:23:18

level5.1

Time of First Successful Submission: 2026-09-05 23:24:47

level6.0

Time of First Successful Submission: 2026-09-06 10:13:10

level6.1

Time of First Successful Submission: 2026-09-06 10:15:45

level7.0

Time of First Successful Submission: 2026-09-06 10:32:51

level7.1

Time of First Successful Submission: 2026-09-06 10:35:07

level8.0

Time of First Successful Submission: 2026-09-06 10:38:09

level8.1

Time of First Successful Submission: 2026-09-06 10:41:25

Level1.0

Time of First Successful Submission: 2026-08-30 12:32:36

Level1.1

Time of First Successful Submission: 2026-09-06 10:51:34

Level2.0

Time of First Successful Submission: 2026-09-06 10:52:36

Level2.1

Time of First Successful Submission: 2026-09-06 10:53:11

Level3.0

Time of First Successful Submission: 2026-09-06 10:55:06

Level3.1

Time of First Successful Submission: 2026-09-06 10:57:08

Level4.0

Time of First Successful Submission: 2026-09-06 10:58:37

Level4.1

Time of First Successful Submission: 2026-09-06 10:59:38

Level5.0

Time of First Successful Submission: 2026-09-06 11:01:18

Level5.1

Time of First Successful Submission: 2026-09-06 11:02:17

Level6.0

Time of First Successful Submission: 2026-09-06 11:04:53

Level6.1

Time of First Successful Submission: 2026-09-06 11:06:20

Level7.0

Time of First Successful Submission: 2026-09-06 11:08:38

Level7.1

Time of First Successful Submission: 2026-09-06 11:10:31

Level8.0

Time of First Successful Submission: 2026-09-06 11:27:43

Level8.1

Time of First Successful Submission: 2026-09-06 11:29:18

Level9.0

Time of First Successful Submission: 2026-09-06 11:49:00

Level9.1

Time of First Successful Submission: 2026-09-06 11:55:27

Level10.0

Time of First Successful Submission: 2026-09-06 13:02:19

Level10.1

Time of First Successful Submission: 2026-09-06 13:12:52

Level11.0

Time of First Successful Submission: 2026-09-06 13:16:33

Level11.1

Time of First Successful Submission: 2026-09-06 13:18:16

Level12.0

Time of First Successful Submission: 2026-09-06 13:24:29

Level12.1

Time of First Successful Submission: 2026-09-06 13:25:58

level1

Time of First Successful Submission: 2026-09-06 14:02:56

level2

Time of First Successful Submission: 2026-09-06 14:08:09

level3

Time of First Successful Submission: 2026-09-06 14:10:41

level4

Time of First Successful Submission: 2026-09-06 14:12:42

level5

Time of First Successful Submission: 2026-09-06 14:14:30

level6

Time of First Successful Submission: 2026-09-06 14:16:18

level7

Time of First Successful Submission: 2026-09-06 14:27:09

level8

Time of First Successful Submission: 2026-09-06 14:29:31

level9

Time of First Successful Submission: 2026-09-06 14:32:54

level10

Time of First Successful Submission: 2026-09-06 14:35:44

level11

Time of First Successful Submission: 2026-09-06 14:38:31

level12

Time of First Successful Submission: 2026-09-06 14:40:52

level13

Time of First Successful Submission: 2026-09-06 14:43:43

level14

Time of First Successful Submission: 2026-09-06 14:47:49

level15

Time of First Successful Submission: 2026-09-06 14:50:12

level16

Time of First Successful Submission: 2026-09-06 14:52:10

level17

Time of First Successful Submission: 2026-09-06 14:54:33

level18

Time of First Successful Submission: 2026-09-06 14:56:53

level19

Time of First Successful Submission: 2026-09-06 14:59:03

level20

Time of First Successful Submission: 2026-09-06 15:00:58

level21

Time of First Successful Submission: 2026-09-06 15:25:38

level1.0

Time of First Successful Submission: 2026-09-06 15:51:31

level1.1

Time of First Successful Submission: 2026-09-06 15:53:38

level2.0

Time of First Successful Submission: 2026-09-06 16:16:28

level2.1

Time of First Successful Submission: 2026-09-06 16:18:15

level3.0

Time of First Successful Submission: 2026-09-06 16:32:36

level3.1

Time of First Successful Submission: 2026-09-06 16:37:15

level4.0

Time of First Successful Submission: 2026-09-06 16:40:40

level4.1

Time of First Successful Submission: 2026-09-06 16:43:37

level5.0

Time of First Successful Submission: 2026-09-06 16:56:41

level5.1

Time of First Successful Submission: 2026-09-06 17:01:32

level6.0

Time of First Successful Submission: 2026-09-06 17:03:49

level6.1

Time of First Successful Submission: 2026-09-06 17:10:10

level7.0

Time of First Successful Submission: 2026-09-06 17:41:55

level7.1

Time of First Successful Submission: 2026-09-06 17:44:12

level8.0

Time of First Successful Submission: 2026-09-06 18:00:04

level8.1

Time of First Successful Submission: 2026-09-06 18:02:39

level9.0

Time of First Successful Submission: 2026-09-06 18:05:05

level9.1

Time of First Successful Submission: 2026-09-06 18:06:14

level10.0

Time of First Successful Submission: 2026-09-06 18:12:06

level10.1

Time of First Successful Submission: 2026-09-06 18:12:50

level1.0

Time of First Successful Submission: 2026-09-09 15:46:10

level1.1

Time of First Successful Submission: 2026-09-06 18:31:08

level2.0

Time of First Successful Submission: 2026-09-06 18:40:27

level2.1

Time of First Successful Submission: 2026-09-06 18:42:57

level3.0

Time of First Successful Submission: 2026-09-06 18:48:00

level3.1

Time of First Successful Submission: 2026-09-06 18:50:17

level4.0

Time of First Successful Submission: 2026-09-06 18:57:44

level4.1

Time of First Successful Submission: 2026-09-06 18:59:04

level5.0

Time of First Successful Submission: 2026-09-06 19:34:13

level5.1

Time of First Successful Submission: 2026-09-06 19:42:17

level6.0

Time of First Successful Submission: 2026-09-06 19:50:52

level6.1

Time of First Successful Submission: 2026-09-06 19:53:32

level7.0

Time of First Successful Submission: 2026-09-06 19:59:16

level7.1

Time of First Successful Submission: 2026-09-06 20:01:23

level8.0

Time of First Successful Submission: 2026-09-06 20:15:42

level8.1

Time of First Successful Submission: 2026-09-06 20:18:39

level9

Time of First Successful Submission: 2026-09-06 20:24:47

Level-1

Time of First Successful Submission: 2026-09-06 20:47:35

Level-2

Time of First Successful Submission: 2026-09-06 21:06:17

Level-3

Time of First Successful Submission: 2026-09-06 21:24:55

Level-4

Time of First Successful Submission: 2026-09-06 22:25:26

Level-5

Time of First Successful Submission: 2026-09-06 22:53:45

Level-6

Time of First Successful Submission: 2026-09-06 23:11:36

Level-7

Time of First Successful Submission: 2026-09-07 12:19:42

Level-8

Time of First Successful Submission: 2026-09-07 12:27:36

Using the VSCode Workspace

Time of First Successful Submission: 2024-10-15 11:52:34

Using the GUI Desktop

Time of First Successful Submission: 2024-10-15 11:53:24

Pasting into the Desktop

Time of First Successful Submission: 2024-10-15 11:54:57

Restarting Challenges

Time of First Successful Submission: 2024-10-15 11:58:04

Challenge Programs

Time of First Successful Submission: 2024-10-15 12:04:26

The Flag File

Time of First Successful Submission: 2024-10-15 12:07:44

Using Privileged Mode

Time of First Successful Submission: 2024-10-15 12:10:42

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-15 12:12:24

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-15 12:12:50

Exclusionary globbing

Time of First Successful Submission: 2024-11-23 18:09:17

Reading Input

Time of First Successful Submission: 2025-01-02 18:50:37

Listing Processes

Time of First Successful Submission: 2026-09-21 20:27:30

Killing Processes

Time of First Successful Submission: 2026-09-21 20:29:38

Interrupting Processes

Time of First Successful Submission: 2026-09-21 20:29:59

Killing Misbehaving Processes

Time of First Successful Submission: 2026-09-21 20:33:51

Suspending Processes

Time of First Successful Submission: 2026-09-21 20:35:05

Resuming Processes

Time of First Successful Submission: 2026-09-21 20:35:37

Backgrounding Processes

Time of First Successful Submission: 2026-09-21 20:42:04

Foregrounding Processes

Time of First Successful Submission: 2026-09-24 19:37:00

Starting Backgrounded Processes

Time of First Successful Submission: 2026-09-24 19:38:14

Process Exit Codes

Time of First Successful Submission: 2026-09-24 19:39:30

Changing File Ownership

Time of First Successful Submission: 2026-07-19 20:51:31

Groups and Files

Time of First Successful Submission: 2026-07-19 20:56:18

Changing Permissions

Time of First Successful Submission: 2026-07-19 21:05:42

Chaining with Semicolons

Time of First Successful Submission: 2025-01-02 18:38:36

Your First Shell Script

Time of First Successful Submission: 2025-01-02 18:38:10

Redirecting Script Output

Time of First Successful Submission: 2025-01-02 18:36:05

Executable Shell Scripts

Time of First Successful Submission: 2024-10-14 19:55:35

Your First Register

Time of First Successful Submission: 2024-11-26 16:30:25

Your First Syscall

Time of First Successful Submission: 2024-11-26 16:33:19

Exit Codes

Time of First Successful Submission: 2024-11-26 16:35:43

Building Executables

Time of First Successful Submission: 2024-11-26 16:39:34

Moving Between Registers

Time of First Successful Submission: 2024-11-26 16:58:56

Loading From Memory

Time of First Successful Submission: 2024-11-26 15:52:01

More Loading Practice

Time of First Successful Submission: 2024-11-26 15:52:53

Dereferencing Pointers

Time of First Successful Submission: 2024-11-26 15:56:00

Dereferencing Yourself

Time of First Successful Submission: 2024-11-26 16:01:18

Dereferencing with Offsets

Time of First Successful Submission: 2024-11-26 16:04:32

Stored Addresses

Time of First Successful Submission: 2024-11-26 16:09:44

Double Dereference

Time of First Successful Submission: 2024-11-26 16:16:56

Binary and Hex Encoding

Time of First Successful Submission: 2026-09-08 12:50:28

More Hex

Time of First Successful Submission: 2026-09-08 12:53:35

Decoding Hex

Time of First Successful Submission: 2026-09-08 12:55:39

Tracing Syscalls

Time of First Successful Submission: 2024-11-26 16:57:13

Starting GDB

Time of First Successful Submission: 2025-11-03 20:30:06

Starting Programs in GDB

Time of First Successful Submission: 2025-11-03 20:31:39

Writing Output

Time of First Successful Submission: 2024-11-26 17:18:15

Chaining Syscalls

Time of First Successful Submission: 2024-11-26 17:19:18

Writing Strings

Time of First Successful Submission: 2024-11-26 17:20:00

Reading Data

Time of First Successful Submission: 2025-11-03 21:22:35

Debugging Programs

Time of First Successful Submission: 2024-11-26 18:01:36

Inspecting Registers

Time of First Successful Submission: 2024-11-26 18:04:46

Examining Memory

Time of First Successful Submission: 2024-11-26 18:16:36

Setting Breakpoints

Time of First Successful Submission: 2024-11-27 18:26:49

GDB Scripting

Time of First Successful Submission: 2024-11-27 21:32:24

Modifying Data

Time of First Successful Submission: 2024-11-28 16:46:13

Modifying Execution

Time of First Successful Submission: 2024-11-28 17:05:36

Broken Functions

Time of First Successful Submission: 2024-11-28 17:50:29

Exit

Time of First Successful Submission: 2024-11-02 14:11:04

Socket

Time of First Successful Submission: 2024-11-02 14:43:22

Bind

Time of First Successful Submission: 2024-11-28 20:04:24

Listen

Time of First Successful Submission: 2024-11-28 20:48:52

Accept

Time of First Successful Submission: 2024-11-28 20:52:53

Static Response

Time of First Successful Submission: 2024-11-30 15:01:11

Dynamic Response

Time of First Successful Submission: 2024-11-30 15:53:54

Iterative GET Server

Time of First Successful Submission: 2024-11-30 16:01:29

Concurrent GET Server

Time of First Successful Submission: 2024-11-30 16:07:38

Concurrent POST Server

Time of First Successful Submission: 2024-11-30 16:08:39

Web Server

Time of First Successful Submission: 2024-11-30 16:08:27

What's the password?

Time of First Successful Submission: 2025-11-04 21:12:34

... and again!

Time of First Successful Submission: 2025-11-04 21:15:27

Newline Troubles

Time of First Successful Submission: 2025-11-04 21:24:22

Reasoning about files

Time of First Successful Submission: 2025-11-06 21:14:20

Specifying Filenames

Time of First Successful Submission: 2025-11-06 21:22:18

Decoding Base64

Time of First Successful Submission: 2024-11-11 20:25:11

Your First HTTP Request

Time of First Successful Submission: 2026-09-08 17:08:40

Reading Flask

Time of First Successful Submission: 2026-09-08 17:12:09

Commented Data

Time of First Successful Submission: 2026-09-08 17:14:07

HTTP Metadata

Time of First Successful Submission: 2026-09-08 17:19:22

HTTP (netcat)

Time of First Successful Submission: 2024-10-23 17:52:58

HTTP Paths (netcat)

Time of First Successful Submission: 2024-10-23 19:06:35

HTTP (curl)

Time of First Successful Submission: 2024-10-23 19:02:50

HTTP (python)

Time of First Successful Submission: 2024-10-23 19:09:35

HTTP Host Header (python)

Time of First Successful Submission: 2024-10-23 18:10:41

HTTP Host Header (curl)

Time of First Successful Submission: 2024-10-23 18:00:45

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-10-23 18:06:24

URL Encoding (netcat)

Time of First Successful Submission: 2024-10-23 19:21:43

HTTP GET Parameters

Time of First Successful Submission: 2024-10-23 19:23:51

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-10-23 19:34:15

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-10-23 19:32:29

HTTP Forms (curl)

Time of First Successful Submission: 2024-10-23 19:39:13

HTTP Forms (netcat)

Time of First Successful Submission: 2024-10-23 20:08:48

HTTP Forms (python)

Time of First Successful Submission: 2024-10-24 19:51:16

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-10-24 19:54:31

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-10-24 19:57:58

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-10-24 20:27:59

HTTP Redirects (curl)

Time of First Successful Submission: 2024-10-24 20:24:56

HTTP Redirects (python)

Time of First Successful Submission: 2024-10-24 20:32:04

HTTP Cookies (curl)

Time of First Successful Submission: 2024-10-24 20:36:29

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-10-24 20:38:54

HTTP Cookies (python)

Time of First Successful Submission: 2024-10-24 20:40:43

Server State (python)

Time of First Successful Submission: 2024-10-24 20:49:01

cat

Time of First Successful Submission: 2024-12-30 22:21:09

more

Time of First Successful Submission: 2025-01-03 17:28:04

less

Time of First Successful Submission: 2025-01-03 18:07:33

tail

Time of First Successful Submission: 2025-01-03 18:07:55

head

Time of First Successful Submission: 2025-01-03 18:08:21

sort

Time of First Successful Submission: 2025-01-03 18:08:40

vim

Time of First Successful Submission: 2025-01-03 18:09:41

emacs

Time of First Successful Submission: 2025-01-03 18:10:07

nano

Time of First Successful Submission: 2025-01-03 18:10:27

rev

Time of First Successful Submission: 2025-01-03 18:11:08

od

Time of First Successful Submission: 2026-09-19 17:13:19

env

Time of First Successful Submission: 2026-09-19 17:21:57

watch

Time of First Successful Submission: 2026-09-19 17:29:25

SQL Queries

Time of First Successful Submission: 2026-09-19 16:38:14

Filtering SQL

Time of First Successful Submission: 2026-09-19 16:39:03

Choosing Columns

Time of First Successful Submission: 2026-09-19 16:39:35

Exclusionary Filtering

Time of First Successful Submission: 2026-09-19 16:40:05

Filtering Strings

Time of First Successful Submission: 2026-09-19 16:40:42

Filtering on Expressions

Time of First Successful Submission: 2026-09-19 16:41:14

SELECTing Expressions

Time of First Successful Submission: 2026-09-19 16:42:02

Composite Conditions

Time of First Successful Submission: 2026-09-19 16:42:33

Reaching Your LIMITs

Time of First Successful Submission: 2026-09-19 16:43:13

Querying Metadata

Time of First Successful Submission: 2026-09-19 16:44:25

Penguin Crash Course

Time of First Successful Submission: 2026-09-08 19:29:06

Penguin Impurifier

Time of First Successful Submission: 2026-09-08 19:45:09

Hijack Me!

Time of First Successful Submission: 2026-09-29 15:02:28

Expand Your Mind

Time of First Successful Submission: 2026-09-29 15:22:17

Level1

Time of First Successful Submission: 2026-09-19 17:43:32

Level2

Time of First Successful Submission: 2026-09-19 17:44:06

Level3

Time of First Successful Submission: 2026-09-19 17:44:39

Level4

Time of First Successful Submission: 2026-09-19 17:45:12

Level5

Time of First Successful Submission: 2026-09-19 17:45:47

Level6

Time of First Successful Submission: 2026-09-19 17:46:23

Level7

Time of First Successful Submission: 2026-09-19 17:47:03

Level8

Time of First Successful Submission: 2026-09-19 17:47:39

Level9

Time of First Successful Submission: 2026-09-19 17:48:21

Level10

Time of First Successful Submission: 2026-09-19 17:49:03

Level11

Time of First Successful Submission: 2026-09-19 17:49:39

Level12

Time of First Successful Submission: 2026-09-19 17:50:18

Level13

Time of First Successful Submission: 2026-09-19 17:50:58

Level14

Time of First Successful Submission: 2026-09-19 17:51:41

Level15

Time of First Successful Submission: 2026-09-19 17:52:42

Using the VSCode Workspace

Time of First Successful Submission: 2024-10-15 11:52:34

Using the GUI Desktop

Time of First Successful Submission: 2024-10-15 11:53:24

Pasting into the Desktop

Time of First Successful Submission: 2024-10-15 11:54:57

Restarting Challenges

Time of First Successful Submission: 2024-10-15 11:58:04

Getting Help

Time of First Successful Submission: 2024-10-15 12:03:41

Challenge Programs

Time of First Successful Submission: 2024-10-15 12:04:26

The Flag File

Time of First Successful Submission: 2024-10-15 12:07:44

Using Privileged Mode

Time of First Successful Submission: 2024-10-15 12:10:42

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-15 12:12:24

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-15 12:12:50

Consent

Time of First Successful Submission: 2026-09-25 20:40:34

Locate Harnesses

Time of First Successful Submission: 2026-09-25 20:44:23

Modify a Fuzzing Harness

Time of First Successful Submission: 2026-09-25 20:48:01

Fix Broken Fuzzing Harness

Time of First Successful Submission: 2026-09-25 20:49:47

Initial Parameters

Time of First Successful Submission: 2026-09-25 20:53:18

Improve Coverage Using the Call Tree

Time of First Successful Submission: 2026-09-25 20:55:41

Implement Seed Corpus

Time of First Successful Submission: 2026-09-25 20:59:02

Create New Fuzz Driver

Time of First Successful Submission: 2026-09-25 21:03:42

OSS-Fuzz - Build a Project

Time of First Successful Submission: 2026-09-25 21:07:52

OSS-Fuzz - Code Coverage

Time of First Successful Submission: 2026-09-25 21:30:43

OSS-Fuzz - Fuzz Introspector

Time of First Successful Submission: 2026-09-25 21:38:11

OSS-Fuzz - Add new_fuzzer

Time of First Successful Submission: 2026-09-25 21:42:38

Level 1.0 Practice

Time of First Successful Submission: 2026-09-25 21:56:59

Level 1.1 Practice

Time of First Successful Submission: 2026-09-25 21:59:30

Level 2.0 Project

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

Level 2.1 Project

Time of First Successful Submission: 2026-09-25 22:14:46

CASYNC - medium 1678 loc 11%-10%-14% - 1 min

Time of First Successful Submission: 2026-09-25 22:54:08

GUETZLI - simple 5648 loc 79%-80%-72% - 1 min

Time of First Successful Submission: 2026-09-25 23:03:27

OPENJPEG - complex 22939 loc 5%--%-4% - 2 min

Time of First Successful Submission: 2026-09-25 22:24:48

SNAPPY - simple 1502 loc 67%-67%-61% - 1 min

Time of First Successful Submission: 2026-09-25 22:45:15

UNRAR - medium 13209 loc 8%-58%-86% - 1.5 min

Time of First Successful Submission: 2026-09-25 22:31:49

OSS-CASYNC - medium 1678 loc 11%-10%-14% - 1 min

Time of First Successful Submission: 2026-09-25 22:57:29

OSS-GUETZLI - simple 5648 loc 79%-80%-72% - 1 min

Time of First Successful Submission: 2026-09-25 23:09:39

OSS-OPENJPEG - complex 22939 loc 5%--%-4% - 2 min

Time of First Successful Submission: 2026-09-25 22:29:17

OSS-SNAPPY - simple 1502 loc 67%-67%-61% - 1 min

Time of First Successful Submission: 2026-09-25 22:50:58

OSS-UNRAR - medium 13209 loc 8%-58%-86% - 1.5 min

Time of First Successful Submission: 2026-09-25 22:38:42

ALEMBIC - medium 12569 loc 1%-9%-0% - 1 min (slow FI)

Time of First Successful Submission: 2026-09-26 00:13:28

APACHE-HTTPD - medium 48312 loc 12%-14%-6% - 5.5 min

Time of First Successful Submission: 2026-09-26 01:00:29

(D) ARDUINOJSON - simple 3599 loc 99%-99%-99% - 1 min

Time of First Successful Submission: 2026-09-26 01:03:42

ARGS - simple 1796 loc 22%-22%-47% - 3 min

Time of First Successful Submission: 2026-09-26 01:11:52

ASPELL - complex 14390 loc 58%-67%-26% - 2 min

Time of First Successful Submission: 2026-09-26 01:44:44

ASTC-ENCODER - simple 2941 loc - 50%-50%-74% - 1.5 min

Time of First Successful Submission: 2026-09-26 01:51:38

(D) AVAHI - simple 2566 loc 73%-76%-81% - 2 min

Time of First Successful Submission: 2026-09-26 02:02:46

BOOST - medium 11995 loc 43%-57%--% - 10 min (no FI)

Time of First Successful Submission: 2026-09-26 05:18:03

(D) BZIP2 - medium 2661 loc 74%-92%-99% - 1 min

Time of First Successful Submission: 2026-09-26 05:23:30

C-ARES - medium 5676 loc 35%-39%-72% - 2.5 min

Time of First Successful Submission: 2026-09-26 05:43:56

(D) CJSON - simple 2304 loc 43%-43%-46% - 1 min

Time of First Successful Submission: 2026-09-25 22:40:17

(D) CMARK - medium 14688 loc 81%-95%-82% - 1 min

Time of First Successful Submission: 2026-09-26 05:55:47

(D) CPPCHECK - complex 79321 loc 20%-24%-24% (--broken on oss-fuzz) - 1.5 min

Time of First Successful Submission: 2026-09-26 06:18:57

ELFUTILS - simple 31383 loc 9%-26%-40% - 2.5 min

Time of First Successful Submission: 2026-09-26 07:22:41

(D) EXAMPLE - simple 20 loc 100% - 1 min

Time of First Successful Submission: 2026-09-26 07:49:14

EXIV2 - simple 34282 loc 10%-54%-1% - 1 min

Time of First Successful Submission: 2026-09-26 10:22:47

FMT - complex 5904 loc 77%-81%-13% - 4 min (slow FI)

Time of First Successful Submission: 2026-09-26 17:20:53

(D) GFWX - medium 1087 loc 88%-85%--% - 1.75 min

Time of First Successful Submission: 2026-09-26 17:35:12

(D) HAPROXY - simple 106108 loc 1%-1%-2% - 7 min (broken on OSS-Fuzz)

Time of First Successful Submission: 2026-09-26 18:27:36

IGRAPH - complex 57124 loc 20%-62%-44% - 4 min (slow FI)

Time of First Successful Submission: 2026-09-26 19:43:21

JANUS-GATEWAY - complex 6131 loc 36%-37%-34% - 1.5 min

Time of First Successful Submission: 2026-09-26 19:55:21

JSON - simple 8008 loc 68%-74%-94% - 1 min

Time of First Successful Submission: 2026-09-26 20:25:48

KAMAILIO - simple 83091 loc 4%-10%-11% (no FI) - 5 min

Time of First Successful Submission: 2026-09-26 22:15:31

(D) LAME - complex 23539 loc 40% (broken on OSS-Fuzz)

Time of First Successful Submission: 2026-09-26 22:40:55

(D) LIBLOUIS - medium 10478 loc 36%-60%-92% - 4 min (broken on OSS-Fuzz)

Time of First Successful Submission: 2026-09-26 23:11:23

LIBPNG - medium 13217 loc 40%-43%-57% - 1.5 min

Time of First Successful Submission: 2026-09-26 23:29:37

LIBSASS - simple 19723 loc 29%-26%-4% (no FI) - 1 min

Time of First Successful Submission: 2026-09-26 23:43:35

LIBSODIUM - simple 8403 loc 18%-19%-12% - 2 min

Time of First Successful Submission: 2026-09-27 00:00:52

LIBSSH2 - medium 12632 loc 9%-20%-26% - 2 min

Time of First Successful Submission: 2026-09-27 00:10:03

LIBVNC - medium 10793 loc 16%-19%-22% - 3.5 min

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

LIBVPX - medium 32885 loc 54%-60%-0% - 2.5 min

Time of First Successful Submission: 2026-09-27 00:49:19

LIGHTTPD - simple 1310 loc 36%-35%-47% - 2 min

Time of First Successful Submission: 2026-09-27 01:20:48

MINIZ - medium 5423 loc 56%-60%-74% - 1 min

Time of First Successful Submission: 2026-09-27 01:36:16

MINIZIP - medium 3639 loc 75%-76%-64% - 45 sec

Time of First Successful Submission: 2026-09-27 01:48:56

MPG123 - medium 9826 loc 39%-52%-43% - 2 min

Time of First Successful Submission: 2026-09-27 02:07:56

MUPDF - medium 289131 loc 25%-36%--% (no FI) - 12 min

Time of First Successful Submission: 2026-09-27 04:53:13

OPENSIPS - medium 62114 loc 10%-13%-17% - 4 min (slow FI)

Time of First Successful Submission: 2026-09-27 05:38:17

(D) PCRE2 - medium 33249 loc 57%-80%-96% - 11 min (slow FI)

Time of First Successful Submission: 2026-09-27 06:15:32

(D) PYCRYPTODOME - simple 1398 loc 80%-80%-79% - 1 min

Time of First Successful Submission: 2026-09-27 10:29:32

(D) SPEEX - complex 5867 loc 80%--%--% - 4.5 min

Time of First Successful Submission: 2026-09-27 11:06:22

(D) SQLITE3 - complex 80385 loc 33%-75%-76% - 5 min (slow FI) (broken on OSS-Fuzz)

Time of First Successful Submission: 2026-09-27 11:37:59

TMUX - medium 48752 loc 12%-12%-31% - 1.5 min

Time of First Successful Submission: 2026-09-27 12:09:45

(D) URIPARSER - medium 4606 loc 72%-81%-93% - 45 sec

Time of First Successful Submission: 2026-09-27 12:26:09

VALIJSON - simple 3566 loc 68%-72%-52% - 1.5 min (slow FI)

Time of First Successful Submission: 2026-09-27 13:25:13

VORBIS - simple 8745 loc 31%-35%-36% - 2.5 min

Time of First Successful Submission: 2026-09-27 13:42:18

W3M - simple 6400 loc 66%-70%-30% - 1 min

Time of First Successful Submission: 2026-09-27 13:54:46

WASM3 - simple 4107 loc 34%-65%-22% - 1 min

Time of First Successful Submission: 2026-09-27 14:06:48

(D) WAVPACK - complex 4172 loc 73%-84%-96% - 1.5 min

Time of First Successful Submission: 2026-09-27 14:23:20

(D) WOFF2 - simple 3985 loc 71%-87%-89% - 3 min

Time of First Successful Submission: 2026-09-27 14:46:05

XVID - medium 13782 loc 10%-33%-- - 1.5 min

Time of First Successful Submission: 2026-09-27 14:57:29

XZ - simple 3414 loc 69%-71%-12% - 2 min

Time of First Successful Submission: 2026-09-27 15:11:21

YARA - simple 30443 loc 49%-63%-43% - 3 min

Time of First Successful Submission: 2026-09-27 15:32:32

ZLIB - complex 5055 loc 78%-79%-87% - 1 min

Time of First Successful Submission: 2026-09-27 15:40:01

(D) ZOPFLI - simple 2221 loc 77%-94%-99% - 1 min

Time of First Successful Submission: 2026-09-27 15:53:43

Using the VSCode Workspace

Time of First Successful Submission: 2024-10-15 11:52:34

Using the GUI Desktop

Time of First Successful Submission: 2024-10-15 11:53:24

Pasting into the Desktop

Time of First Successful Submission: 2024-10-15 11:54:57

Restarting Challenges

Time of First Successful Submission: 2024-10-15 11:58:04

Getting Help

Time of First Successful Submission: 2024-10-15 12:03:41

Challenge Programs

Time of First Successful Submission: 2024-10-15 12:04:26

The Flag File

Time of First Successful Submission: 2024-10-15 12:07:44

Using Privileged Mode

Time of First Successful Submission: 2024-10-15 12:10:42

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-15 12:12:24

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-15 12:12:50

Babyspirit

Time of First Successful Submission: 2026-09-19 16:32:06

gdb

Time of First Successful Submission: 2026-09-19 16:52:50

gzip

Time of First Successful Submission: 2026-09-19 16:53:28

node

Time of First Successful Submission: 2026-09-19 16:55:57

perl

Time of First Successful Submission: 2026-09-19 16:54:34

php

Time of First Successful Submission: 2026-09-19 16:55:02

python

Time of First Successful Submission: 2026-09-19 16:54:06

ruby